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SERVICE MANUAL - Cool Designs Ltd

1. CM1 CM2 PMV1 PMV2 SV2 SV41 SV42 SV51 SV3A SV3B SV3C SV3D SV3E 4WV1 1 COMP2 TS1 TD1 TD2 TK1 2 TK4 TL HEATER HEATER2 ACCU MEATER 63H1 63H2 MG SW Except 5HP 6HP n pora eo eum 1 FM Pressure Pressure 1 Option 1 Option 11 Option 1 Option Option 1 dl ul 2 Sensor Sensor Board Board 1 Board Board Board a PS PD Y T DT DTE E 46 5 6 5 sk sz D 066 T 2Y1 615741327171 67574131211 8152 4737 X1
2. 28 Location No Part No 43120220 Description FAN MULTI BLADE Model Name MMD AP0071BH AP0091BH AP0121BH AP0151BH AP0181BH 43121708 MOTOR FAN 43096078 BUSHING 43196012 BUSHING 43146555 43146645 MOTOR PMV STRAINER 43146646 STRAINER 43180321 AIR FILTER 43180322 4314J225 AIR FILTER EVAPORATOR ASSY 4314J226 EVAPORATOR ASSY 43079249 BAND HOSE 43047545 43194026 NUT FLARE 1 4 IN SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194080 SOCKET 43070146 HOSE DRAIN 43121713 PUMP ASSY WIRING 43151281 SWITCH FLOAT 43160553 LEAD MOTOR FAN 43100284 PLATE ASSY A 43100285 PLATE ASSY A 43100288 PLATE B 43100291 FLANGE 43100292 FLANGE 43172168 PAN ASSY DRAIN 43172169 PAN ASSY DRAIN 43147669 DISTRIBUTOR ASSY 43147670 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43047303 BONNET 43194055 NUT FLARE 3 8 IN 43049697 BONNET 43019904 HOLDER SENSOR 43179110 PLUG
3. Low High Open fully PMV of the outdoor unit pressure gauge pressure gauge on power of the outdoor unit X Short CN30 on I F P C board of the outdoor unit Connected to Valve fully closed Turn off power of the outdoor unit within 2 minutes after short circuiting indoor unit gas side a Gauge Main Center unit manifold pipe Open fully the handle Low of the gauge manifold and then turn on q Brazed the power of vacuum pump for vacuuming 2 Service Reducing port 064 valve Fully Copper pipe ORO When the pressure has lowered until indication of the compound tightened HD gauge pointed 0 1 76cmHg open fully the handle Low and f L Service port 4 turn off the power of vacuum pump j R Valve fully closed Fully liquid side B Nitrogen tightened D gas D Never charge the refrigerant over the specified amount Do not charge the additional refrigerant Valve fuly closed If charging refrigerant additionally when refrigerant gas balance leaks the refrigerant composition in the refrigerating Connectedto other cycle changes resulted in change of air conditioner terminal units characteristics or refrigerant over the specified stan dard amount is charged and an abnormal high pressure is applied to the
4. 213 Vic Main Sub Center remote controller Up to 2 units Key switch Weekly timer Remo DC5V control Power commung circuit circui Key switch qns Indoor unit 1 JB Network adaptor Option Indoor control board MCC 1402 troll Remote EEPROM communication controller circuit communication circuit Central control X remote controller Option Y In case of AI NETWORK CPU H8 3039 Driver 54 Float input HA CPU Outside 88 MERE n 47FG Start TMP88PH Alarm 47FG Ready signal input Thermostat ON circuit COOL HEAT Fan motor _ FAN control circuit N U1 2 Indoor Outdoor uil lue communication Power supply 1 200 240V 50Hz 1 220V 60Hz Power 1 Supply unit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 main sub remote controllers are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot be connected to the sub remote controller 4 Nome for high wall
5. 56 58 63 37 28 SV3A 33 28 SV3E z 33 28 SV3D 33 28 SV3C ps e 5 6HP 33 28 SV2 61 51 12 60 38 28 SV3B Y 9 _ 49 4 61 LZ A 50 i rji 1 M 57 59 63 53 J 4 SV5 o o 54 30 68 4 or 5 5 6 62 72 13 40 34 98 30 32 or 35 14 41 or 5 6 36 31 5 6 LLHLOZLdVIN LLHLOOLdVIN LHLOSOd VIN ZLHLO90d VIN ZLHLOSOd VIA AININ 68 27 27 pow CHECKED 1 CHECKED TO 50 m 6 44 45 5 6 45 CONDENSER 79 HIGH PRESSURE IGH PRESSURE 4 or 5 5 6HP LEFT SIDE 68 We SWTCH SEPARATOR OIL i M 4or5 56HP NO NDA HIGH PRESSURE 7 STRAINER 3 e SENSOR SV42 RIGHT SIDE 79 79 37 PULSE MOTOR VALVE P STRAINER STRANER 5 43 5 6HP 1 VALVE _ SVaf SVs 30 JOINT CHECK STRANER STRAINER SV3C ID 0 STRAINER g STRAINER 40 A S S ns S _ L 29 29 VALVE 4WAY 40 36 75 43 A lt ID 1 0 gt VALVE CHECKED 8 or 7 5 6HP JOINT CHECK
6. 43050382 43050398 SENSOR TC F6 SENSOR TG F4 43150300 SENSOR TA 43155178 CAPACITOR 43158187 43160478 TRANSFORMER TERMINAL BLOCK 43160548 TERMINAL 6P 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 13 jui j MMU AP0241WHL AP0271WH AP0301WH AP0481WH FAY 262 N E NA 234 AA MMU AP0241WH AP0271WH AP0481WH N 8 g amp amp a NS gt HO gt RNN SN NN I 5 i NINE lt i 5 226 228 15 225 227 211 213 gt ZZ Ke Z 19 W lt Y X s WW M Ma Jl eti Ms eg pe pe ST 5 es 5 0M UY UN 91 8 0 HALOEOdV HALZZOdV HMLtzodV NNN Location A Model Name MMU No Description AP0241WH APO271WH APO301WH APO781WH 43120190 MLB FAN ASSY 43122047 FAN CASE UPPER 43122048 FAN CASE DOWN 43150301 AIR FILTER 43151282 SWITCH FLOAT 43121695 FAN
7. HIZZ0dV NININ HILZZ0dV NININ Location Model Name MMU Part No Description AP0271H AP0301H 43120215 FAN ASSY TURB 43122078 BELL MOUTH 43172172 PAN ASSY DRAIN 43121692 MOTOR FAN 43146555 MOTOR PMV 43146646 STRAINER 43170232 HOSE DRAIN 4314J237 EVAPORATOR ASSY 43119464 GUARD FAN 43147734 DISTRIBUTOR ASSY 43079249 BAND HOSE 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43060029 FILTER NOISE 43170231 HOSE DRAIN 43139137 RUBBER CUSHION 43119451 COVER ASSY 43121713 PUMP ASSY WIRING 43151278 SWITCH FLOAT 43197155 WASHER 43097204 NUT 43107215 HOLDER SENSOR 43147195 BONNET 1 2 IN 43194029 BONNET 43019904 HOLDER SENSOR 43149314 SHEET PMV 43479029 BAND HOSE 43179126 RUBBER PUMP DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 kk kk kk A po 42 2 4 a a a af a af ay ars a a 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150297 SENSOR TC 43160478 T
8. 2 1 1 1 1 1 1 1 1 17 8l HALZLOdV HAL600dV HALZ00dV NNN MMU AP0071YH 0091 AP0121YH 209 PS 77 LI CV hort a 7 4 1 1 m 7 1 1 1 AE il 1 IN 1 N N ip eta 1 by d 4 N Ms As NM LI 4 NN N 5 ___ __ x MUN 206 210 st T N N i LU 19 MMU APO0071YH AP0091YH AP0121YH A405 A406 x s v zn 9 e 2 S d 5 00 e SILE LO Ge amp 0 0 T E i SON 5 ZA 54 4 1218 J CR A404 A402 20 Location No Part No Description 201 43039234 CASE FAN UP SIDE 43039235 CASE FAN LOWER Model Name MMU 0071 2
9. 4 4 IN n li n N l li N i Saa Faak aa N tk 99 232 HitecodV ANN MMK AP0241H 215 N Ne 268 217 56 MMK AP0241H AN 401 57 Part No No 43120181 Description FAN Model Name AP0241H 43100283 CABINET ASSY 43109343 GRILLE INLET 43109344 GRILLE INLET RIGHT 43109345 GRILLE INLET LEFT 43109346 PANEL RECEIVER 43102617 CABINET SIDE RIGHT 43121625 MOTOR GEARD MT8 3 6 43121718 FAN MOTOR 43146555 MOTOR PMV 43146646 STRAINER 4314J218 EVAPORATOR ASSY 43172130 PAN DRAIN 431002738 CABINET ASSY U SABU 43191388 CABINET LOWER 43109347 COVER RECEIVER 43102618 CABINET SIDE LEFT 43180288 AIR FILTER 43147729 DISTRIBUTOR ASSY 43197149 SCREW 43194063 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43139098 ROD CONNECTION 43109348 COVER SCREW 43109350 43109359 GRILLE HORIZON GRILLE VERTIC
10. Location Model MMY MM MAP1201HT8 MAP1001HT8 MAPOBO1HT8 MAPOGO1HTB 0501 8 43197159 BOLT COMPRESSOR 43197158 NUT FLANGE 43197162 WASHER 43146235 TUBE CAPILLARY BYPASS 43146236 TUBE CAPILLARY BYPASS 1 0x2 0x110L 43146239 TUBE CAPILLARY ID 1 2 43060029 FILTER NOISE 43147727 STRAINAER 43147718 STRAINAER 43147720 STRAINAER 43147722 STRAINAER 43191657 CABINET ASSY FRONT UP 43191658 CABINET ASSY BACK UP 43191659 CABINET ASSY SIDE RIGHT 43191660 CABINET ASSY SIDE LEFT 43191661 CABINET ASSY FRONT DOWN 43191662 CABINET ASSY BACK DOWN lt a 2lg 2 2 2ala j2aja oa kk a 43050382 SENSOR TC F6 43063248 SUPPORTER ASSY 43150315 SENSOR TD F6 43155176 CAPACITOR 43158186 TRANS 43158183 REACTOR 43160559 TERMINAL BLOCK 4P 43160548 TERMINAL 6P 43163017 SUPPORTER 43163048 SUPPORTER SET 4316V243 PC BOARD ASSY NOISE FILTER 1366 4316V246 PC BOARD ASSY INTERFACE MCC 1429 4316V237 PC BOARD ASSY FAN IPDU IPDU 2D16DA1 4316V245 PC BOARD ASSY A3 IPDU 1502 4316V244 PC BOARD ASSY
11. 32 Location No Part No 201 43120220 FAN MULTI BLADE 43121707 Description MOTOR FAN Model Name MMD ane BH AP0271BH AP0301BH AP0361BH AP0481BH 2 2 3 3 1 1 43121708 MOTOR FAN 43096078 BUSHING 43196012 43146555 BUSHING MOTOR PMV 43146644 STRAINER 43146646 STRAINER 43180319 AIR FILTER 43180320 AIR FILTER 4314J227 EVAPORATOR ASSY 4314J228 EVAPORATOR ASSY 43079249 BAND HOSE 43125135 BEARRING SHAFT 43125155 COUPLING 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43070146 HOSE DRAIN 43121713 PUMP ASSY WIRING 43151281 SWITCH FLOAT 43160553 LEAD MOTOR FAN 43100286 PLATE ASSY A 43100287 PLATE ASSY A 43100288 PLATE B 43100289 FLANGE 43100290 FLANGE 43125160 SHAFT 43172166 PAN ASSY DRAIN 43172167 PAN ASSY DRAIN 43147671 DISTRIBUTOR ASSY 43147672 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43194055 NUT FLARE 3 8 IN 43019904 HOLDER SENSOR 43179110 43149314 PLUG SHEET PMV 43179126 RUBBER PUMP DRAIN 43119468 PLATE ASSY 43170233 43147664 HOSE DRAIN STRAINER 4316V194 REMOCON 4
12. SETDATA FVAA A 4 LER 004 SETDATA FAPA 4 LE LN 3 Cancel of line selection 5 7 To finish the setup s ion pr r Here if the unit No is not called up the outdoor unit in Oper tion procedure this line does not exist 123 4 Push button and then select a line according to iun 567 8 End 100 Clearance of address Return to status Address undecided at shipment from factory Method 1 An address is individually cleared from a wired remote controller 0099 is set up to line address indoor address and group address data from the remote controller For the setup procedure refer to the abovementioned address setup from the remote controller Method 2 Clear the indoor addresses in the same refrigerant line from the outdoor unit 1 Turn off the power of the refrigerant line to be returned to the status at shipment and change the header unit to the following status 1 Remove the relay connector between U1U2 and U3U4 If it has been already removed leave it as it is 2 Turn on SW30 2 on the interface P C board of the header unit if it is ON If it has been already ON leave it as it is Central control device Header unit Follower unit Remote Remote Remote Remote controller controller i controller
13. board MCC 1402 P C board MCC 1403 EPROM 10 Align notch directions of IC socket 5 and EEPROM for installation MM 222 EJ Notch co IC socket Notch EPROM EPROM IC10 262 Make note of the setup contents Item code list Example gt Filter sign lighting time Setup at shipment from factory According to type Dirty condition of filter 0000 Standard Central control address 0099 Undefined Heating inlet temp shift 0002 2 Floor standing 0 Cooling Auto mode existence Cooling only Heat pump select by connected outdoor unit 0001 No auto mode cooling heating Automatic ed 0000 Heat pump Type According to model type Indoor unit capacity According to capacity code Line address 0099 Undefined Indoor unit address 0099 Undefined Group address 0099 Undefined Flap type Air direction adjustment According to type Temp width between cooling and heating automatic selective control points 0003 3 deg Ts 1 5 Automatic restart from power failure 0000 None HA terminal T10 selection 0000 Normal Sensor select 0000 Body sensor High ceiling selection 0000 Standard Timer setup Wired remote controller Type Item code 10 1 way Air Discharge Cassette MMU AP SH 0
14. 260 Procedure 2 Exchange of P C board for service 1 Exchange P C board with a P C board for service In this time the jumper line cut setup or the short circuit connecting connector setup on the previous P C board should be reflected on board for service See the blow figures MCC 1402 JP CN41 MCC 1403 JP001 CNO41 From the left CN112 111 110 When short circuited plug is mounted to P C board before change re mount the short circuited plug as previons 2 It is necessary to set Indoor unit to be exchanged Remote controller 1 1 Based upon the system configuration turn on power of the indoor unit with one of the following items 1 Single Individual operation Turn on power of the indoor units and proceed to Procedure 3 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanged indoor unit only and proceed to Procedure 3 B In case that power of the indoor units cannot be turned on individually Case f a Remove temporarily the group wire connected to the terminal blocks A and B of the exchanged indoor unit b After connecting the remote controller wire only to the removed terminal block turn on power of the indoor units and proceed to Proced
15. x OIO OIOIOlOIOO xix x OJO x x OJOIx x OIOIOIOIOIOIOIOIOIOIOIO x x IOlx IOlx IOlx IOlx IO x O x xlxlxlxIOIOIOIOIxlxlxlxIOIO not used for setup of system address Do not change setup Check that the relay connectors between U1U2 and 0304 terminals are come out in all the header units to which the central control is connected At shipment from factory No connection of connector Turn on power of indoor outdoor In order of indoor outdoor After approx 1 minute check that 7 segment display is U 1 L08 U 1 flash on the interface P C board of the header unit Push SW15 and start setup the automatic address Max 10 minutes for 1 line Usually approx 5 minutes When the count Auto 1 gt Auto 2 gt Auto in 7 segment display section and it changes from 1 1 flash to 1 1 light setup finished the 95 is displayed Procedure 4 to 6 are repeated in other refrigerant lines For internal For internal Or For wiring of Or wiring between cent
16. WHI 4 E 1X2 Indoor temp sensor 1 Outdoor unit 1 indicates the terminal block letter at inside TC TC2 TCJ Temp sensor 9 indicates the terminal number S ouver motor 2 A dotted line and broken line indicate the wiring at site AUR Wired i Adpter f DM Drain pump motor ired remote pter for wireless E i h i controller remote controller E Ancicates the control P C board separately FS Float switch 9 1 2 HL950dV HLZZ0dV HL8LOdV HLGLOdV OWMW 1Z Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN S ASA 909009 614131125 61413117215 92020 o fo INI INS 00000 I S IN ZZ Ns Power supply single phase 220 240V 50Hz 220V 60Hz Indoor unit Earth screw CN82 CN68 BLU BLU Motor drive circui gt RY303 GRY FUSE FUSE RED gt 6 3A 250V T3 15A 250V OO ONO P 77 WHI e Flow selector unit earth Screw RED Closed end connector CN40 BLU 000 3 N 4
17. 1 EZ valve TD1 sensor 0 H Way m IN H TL sensor SV3B TK1 TK2 sensor High pressure 5 N High oe TD2 sensor Check joint In EX E High pressure sensor H Check joint Liquid pipe TK4 sensor Case heater Front side Rear side 100pino ui 1no e 2 3 5 Name of Each Part 3 5 1 Outdoor Unit Air outlet Discharge Hot air is discharged when cooling operation is performed Cold air is diacharged when heating operation is performed Air inlet They are provided at front rear left and right sides L Power source hole Refrigerant pipe connecting hole Fixing leg _ 5 Connecting valve is included inside here 3 5 2 Indoor Unit 4 way Air Discharge Cassette Type Air outlet Air outlet flap Select air blow direction in cooling or heating operation each 2 way discharge 3 way discharge 2 way discharge or 3 way discharge can be selected according to the shape or arrangement of the room For details consult with the dealer which you have purchased the air conditioner Earth screw It is included in the electric parts box Air filter
18. 1 DATA display Displayed during setup of the timer 2 Operation mode select display The selected operation mode is displayed 3 CHECK display Displayed while the protective device works or a trouble occurs 4 Timer time display Time of the timer is displayed When a trouble occurs the check code is displayed 5 Timer SETIN setup display When pushing the Timer SETIN button the display of the timer is selected in order of OFF 22 OFF repeat OFF timer gt ON No display 6 Filter display AR H If FILTER H is displayed clean the air filter 7 TEST run display Displayed during a test run 8 Flap position display Displays flap position 35 9 10 11 12 13 SWING display Displayed during up down movement of the flap Set up temperature display The selected set up temp is displayed Remote controller sensor display Displayed while the sensor of the remote controller is used PRE HEAT display Displayed when the heating operation starts or defrost operation is carried out While this indication is displayed the indoor fan stops or the mode enters in LOW No function display Displayed if there is no function even if the button is pushed 14 Air volume select display The selected air volume mode is displayed AUTO ge HIGH 9 MED 3 LOW e Operation section Push each button to select a desired operation The details
19. unit CN1 CN001 WHI WHI Wired remote Adapter for controller wireless remote controller E Ye is 1 1 dE TY 1 1 N f 14 24 WHI Network Adapter Option MCC 1401 aX 4 GX X3 177 2 2 212 2X2 ee 000 4 4 11213 X CN33 CN34 CN104 CN102 CN101 CN100 WHI RED YEL RED BLK CN103 GRN GRN Control P C board for Indoor unit CN73 MCC 1402 RED Power 9 DC20V supply F 4 o circuit o DC7V WHD YEL CN32 WHI 12 KAEA Fandrive CN60 1 WHI BLK 11213741516 11231425 Option BLU 1 O Indicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board Parts name EXCT Fan motor Indoor temp sensor Temp sensor Pulse motor valve Lover motor Louver control rela UBIH 2 1 2 HLtZOdV HL8LOdV HLGLOdV HLZLOdV HL600dV HLZ00d V MININ E ENSE 67413711215
20. Data 1 Push simultaneously cL 2 buttons for 4 seconds or more LCD changes to flashing Line address 2 Using the setup temp buttons set to the item code 3 Using the timer time GJ v buttons set up the line address Match it with the line address on the interface P C board of the header unit in the identical refrigerant line 4 Push SET button OK when display goes on Indoor address 5 using the setup temp 4 D buttons set J to the item code 6 Using the timer time 4 v buttons set up the indoor address 7 Push SET button OK when display goes on Group address 8 using the setup temp Ca buttons set to the item code 9 Using the timer time G v buttons set Individual 2200 Header unit 2227 Follower unit 7202 10 SET button OK when display goes on 1 1 Push button Setup operation finished Status returns to normal stop status 3 6 9 2 5 8 97 Note 1 When setting the line address from the remote controller do not use address 29 and 30 The address 29 and 30 cannot be set up in the outdoor unit Therefore if they are incorrectly set up a check code E04 Indoor outdoor communication circuit error is output Confirmation of indoor unit address and position by using the remote control
21. MANUAL MONTORSET ZONE UNIT P CENTERLOCKED 1 gt JFLTERRESET CHECK e e o 9 e IONESETENTER SELECT pa TMERON RES ET switch Push the switch the hole with pin The remote controller resets initialized All data is cleared 2 Reading of CHECK monitor display lt 7 segment display gt 1 7 I E pr Hexadecimal A tht tht J notation 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 Decimal notation Display on CHECK monitor gt Unit line No Network address No MONITOR ZONE ON CEMER AUX TYPE STANDBY SET ALL UCI UNIT OFF LOCKED II FILTER 1234567 8 910111213141516 TEMP CHECK FANONY AUTO 1 C 2 mini i i A LOUVER 49 905152535455 5657 58 59 60 61 62 63 64 RU Check code detected at first Example There is no check data Check code detected at last UNIT CHECK data gt Example In No 1 unit first the interconnection wire bus communication line of indoor outdoor has failed Next the room temp sensor is defective For No 16 unit the LT pressure switch at the inverter unit side T
22. hk 43050382 SENSOR TC F6 43050398 43150299 SENSOR TG F4 SENSOR TA 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160509 4316V207 TERMINAL P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 1 69 MML AP0241BH SS 70 H LIZ0dV IWIN Part No No 43723020 Description CASE FAN LEFT Model Name AP0241BH 43126119 CASE FAN RIGHT 43155171 CAPACITOR 43121300 MOTOR FAN 43146555 43146646 MOTOR PMV STRAINER 43120137 FAN MULTI BLADE 43180295 FILTER 43170206 4314231 CATCH DRAIN EVAPORATOR ASSY 43147744 DISTRIBUTOR ASSY 43047546 NUT FLARE 3 8 IN 43194026 43194078 SOCKET NUT FLARE 5 8 IN 43194079 SOCKET 43170197 HOSE ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43191079 BASE MOTOR 43019904 HOLDER SENSOR 43170207 STRAINER 43111311 5 43149314 SHEET 43147664 STRAINER 4316V194
23. BLK yy as MM 1009 IHM 005NO L rt TnO NI 118 z0sNO 1439 055 COMPONENT SIDE 265 17 2 5 Interface Board Replacement Procedure Manual This service board is commonly installed in different models before shipment If the board assembly is to be replaced check the displayed inspection contents and replace the board properly in accordance with the model following this procedure manual Replacement steps 1 Turn off the power supply of the outdoor control unit Turn off the power supply of the outdoor unit 2 Remove all of the connector and fasten and screw terminals connected to the interface board Remove the connector and fasten terminals by holding them 3 Remove the interface board from the six card edge spacers 4 Disconnect the jumper wires of the service board as instructed in the table below The jumper setting differs from the one before replacement If the model is not specified inspection code L10 is displayed and the equipment will not operate Model name Service P C board At shipment Yes Yes Yes MMY MAP0501H8 INV MMY MAP0501H7 INV Disconnect Leave intact Disconnect MMY MAP0601H8 INV MMY MAP0601H7 INV Leave intact Leave intact Disconnect MMY MAP0801H8 INV MMY MAP0801H7 INV Disconnect Disconnect Leave intact MMY MAP1001H8 INV MMY MAP1001H7 INV Leave in
24. GRY GRAY MCC 1520 PNK PINK Flow selector ORN ORANGE unit earth screw 9 OM BRW BROWN R GRN GREEN Indoor unit earth screw Closed end Mesi 7 AAR connector n arts name Fan motor Power supply Running capacitor swide mase 2 10 25 220 240V 50Hz Transformer 220V 60Hz Lover motor Indoor temp sensor TC1 TC2 TCJ Temp sensor RY001 Louver control relay 1 O Indicates the terminal bolock letter RY002 Drain control relay Letter at inside indicates the terminal number RY005 007 Fan motor control rela 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board edAl Buipueis 1001 701 1 2 HL9GOdV Hi8tOdV HL9 0dV 204 HitzO0dV HL8LOdV Sc Central remote controller Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRN BRWN VIOLET Symbol
25. Eliminate the interfered causes Is SV5 circuit normal YES Repair faulty position Connector connection cabling coil installation clogging etc NO Is connector connection coil normal Is there clogging of valve Does heating indoor fan normally operate NO Repair faulty parts Are connector connection heat exchanger fan and fan motor normal NO Repair faulty parts Are characteristics of TC2 and TCJ sensor resistance value normal NO Replace TC2 or TCJ sensor Check indoor P C board Failure Replace NO Are not indoor units of different refrigerant circuit connected Check and correct the cabling Refrigerant overcharge clogging pipe breakage abnormal overload condition 190 Replace PMV bogy YES Check with miscabling check function of outdoor unit Check code name Check code name Cause of operation P05 AF Open phase negative phase 1 Power supply open phase d07 AI NET 2 Power supply negative phase Check the phase power line of outdoor unit Check error of outdoor I F P C board Check there is no looseness etc of terminal Check code name Check code name Cause of operation 07 1C Heat sink overheat error Power voltage error d07 AI NET Outdoor fan system error Heat sink installation error Clogging of hear sink cooling duct IPDU
26. 4 la 5 401 402 43050382 43050398 SENSOR TC F6 SENSOR TG F4 408 43150298 SENSOR TA 404 43158187 TRANSFORMER 405 406 43160478 TERMINAL BLOCK 407 408 43160509 TERMINAL 4 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 76 2 1 1 1 1 1 1 1 LL HL9GOdV 0 HI9E0dV SININ 8 211 Butyl Rubber 210 253 HL9GOdV Hi8tOdV HL9E0dV MM 61 P ge Eis A 407 A 406 HL9GOdV HL8tOdV HLIEOdY JNIN Part No No 43109392 Description GRILLE INLET Model Name MMF AP0361H AP0481H AP0561H 43100280 CASE ASSY 43155180 CAPACITOR 43121671 MOTOR GEARD 43121726 43121727 FAN MOTOR FAN MOTOR 43146555 MOTOR PMV 43146644 STRAINER 43120125 43180238 FAN MU
27. 97 AI NET communication line error AI NET communication line error d07 AI NET NO Are AI NET X and Y Dr YES Are connections of CN01 CN02 and connectors on network adaptor P C board MCC 1401 and CN309 and CN41 connectors on indoor P C board normal NO Correct connection of connectors YES Are remote controller Check connection of A B terminal Correct communication line of remote controller communication lines A B normal YES Is there no connection error YES of power line NO YES Is not NUM Supply Turn on the main power supply NO YES Correct power line Clear check code Did a block out occur N Is the network YES address changed by main remote controller N YES Is there no noise etc Eliminate noise etc Can be other indoor units normally controlled from AI NET central remote controller or is the operation status of indoor unit reflected Unavailable Others are same Check central controller Failure Replace YES Can be the indoor unit normally controlled from the main remote controller NO NO Check indoor P C board Failure Replace Does the network adaptor P C board LED D01 turn on Check power transformer of the network adaptor P C board MCC 1401 YES YES Failure Replace 204 9 6 7 Segment Display Function
28. TCJ sensor 06 size lead wire length 1200mm Vinyl tube Red 27 Concealed Duct High Static Pressure Type Model MMD AP 0181H 0241H 0271H 0361H 0481H Drain pump motor ADP 1409 Float switch FS 0218 102 6 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 TA sensor Lead wire length 1200mm TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 26 size lead wire length 1200mm Vinyl tube Red Model MMD AP Fan motor STF 200 370 4A Drain pump motor ADP 1409 Float switch FS 0218 102 6 Pulse motor EDM MD12TF 3 Pulse motor valve EDM BAOYGTF 1 TC1 sensor 4 size lead wire length 2000mm Vinyl tube Blue TC2 sensor 06 size lead wire length 2000mm Vinyl tube Black TCJ sensor 26 size lead wire length 2000mm Vinyl tube Red Under Ceiling Type Driving motor for horizontal grille MP24GA1 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 TA sensor Lead wire length 155mm Vinyl tube TC1 sensor 04 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 26 size lead wire length 1200mm Vinyl tube Red High Wall Type Fan motor ICF 280 120 3 Driving motor for horizontal grille MT8 3 6 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40Y
29. P05 of power cable is detected COOL DRY operation cannot be performed because the other indoor unit is under HEAT operation HEAT operation cannot be performed because COOL priority is set Outdoor P C board SW11 1 bit is ON and the other indoor unit is under COOL DRY operation FAN operation cannot be performed because the system performs Heat oil Refrigerant recovery operation There is a unit in which indoor overflow P10 is detected There is a unit in which interlock alarm P23 is detected 2 The above indoor units unavailable to operate waits under condition of thermostat OFF HEAT standby Display on remote controller 1 HEAT thermostat is OFF During HEAT operation the fan rotates with lower air speed than one specified in order to prevent discharge of cold draft or stops including case that defrost operation is being performed HEAT operation cannot be performed because COOL priority is set Outdoor I F P C board SW11 bit 1 is ON and the other indoor unit is under COOL DRY operation 2 HEAT standby is displayed until the above conditions are released Remarks goes on amp goes on Selection of central control mode 1 The contents which can be changed on the remote controller at indoor unit side can be selected by setup at the central controller side 2 In case of operation from TCC LINK central controller
30. E Ed A 404 A409 A410 HL960dV HLZZOdV GININ Part No No 43121570 Description MOTOR FAN Model Name MMD 0721 AP0961H 43146555 MOTOR PMV 43146657 STRAINER 4314J199 EVAPORATOR ASSY 43147706 43122066 DISTRIBUTOR CASE FAN 43120206 FAN 43194081 NUT FLARE 1 2 IN 43149332 43101215 SOCKET HOLDER SENSOR 43147195 BONNET 1 2 IN 43147649 STRAINER 43039136 43039137 BAND MOTOR LEFT BAND MOTOR RIGHT 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147726 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4311M422 OWNER S MANUAL 1201 8 1 1 1 1 3 3 1 1 1 1 1 6 6 2 1 1 1 1 1 1 gt w 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43154141 RELAY LY2F L AC230V 43060700 FUSE 10A 250V 43060859 FUSE BLOCK 30A 250V 43150298 SENSOR TA 43155165 CAPACITOR 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160509 TERMINAL 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 44 Gt 240 241 222 267 275 208 259 264 Butyl Rubber
31. 7 segment display Check that L08 is displayed on 7 segment display B on the interface P C board of the header check unit in the system to which address is set up Confirm the corresponding items in 8 4 3 Address setup procedure and then set up address according to the operation procedure Be sure that the setup operation may differ in group control or central control Note Address cannot be set up if switches are not operated Address setup start After address setup U1 is displayed in 7 segment display section Display check after For follower outdoor units U2 to U4 are displayed in 7 segment display A setup If an error code is displayed in 7 segment display B remove the cause of trouble referring to 9 Troubleshooting Using 7 segment display function check the system information of the scheduled system This check is executed on the interface P C board of the header unit Rotary switch setup 7 segment display 5 01 SW02 SW A B System information SWOI IS NOS B check after setup System capacity No of HP No of connected outdoor units No of units No of connected indoor units Connected No of units After the above checks return rotary switches SW01 SW02 SW03 to 1 1 1 7 segment Push switch Push switch Interface P C board ME Al ad awe Push switch T Ium k SW15 bite 7 segment display
32. Outdoor fan does not rotate or Is not low cooling operation being controlled fan speed changes Is not a defrost operation being performed Indoor fan does not stop Is not after heat elimination operation being controlled after heating opera tion Start stop operation on remote Is not auxiliary unit or remote control being operated controller is unavailable 5 connecting wire of indoor unit or remote controller correct 2 Troubleshooting procedure When a trouble occurred advance the check operation in the following procedure Check the check display on the interface P C board of the Check the check display corresponding follower unit on the interface P C board of the header unit Check position or part Trouble in which trouble occurred NOTE While a check operation is performed a malfunction of the microprocessor may be caused due to condition of the power supply or the external noise If there is any noise source change wires of the remote controller and signal wires to shield wires 128 9 2 Check Method On the remote controller Main remote controller Central control remote controller and the interface P C board of the outdoor unit a check display LCD Remote controller or 7 segment display on the outdoor interface P C board to display the operation is provided Therefore the operation status can be known Using this self diagno sis function a trouble
33. 7 1 WHI F CN081 BLK Symbol LLLI SV lt SOE N N PEY K ON S 5 2 lt Parts name FM Fan motor RC Running capacitor TR Transformer TA Indoor temp sensor TC1 TC2 TCJ Temp sensor RY005 007 Fan motor control relay RY001 Flap motor control relay RY002 Drain control relay PMV F Pulse Motor Valve Fuse Fan motor control relay Drain pump motor Float switch edAI oneis nq poejeeouo 6 2 HLSLOdV Hi9e0dV 20 HL8LOdV QMM 61 Option TA TOJ CN030 104 CN102 CN101 100 Fan motor inside wiring diagram RED YEL RED BLK 59 PNL 3x BLU BLK ORN RY002 001 CN073 411 RY004 RED 42 EXCT A RYoo6 RED Gor HU FILTER Motor over heating 005 Control PC board protection switch for Indoor unit cNosi 22 b MCC 1403 BLK 24 T oo FUSE T5 0A
34. Check the communication line connection between indoor and outdoor Check the electric power line error in indoor Check the noise of surrounding devices Power failure Check indoor board error 00 Capacity over 01 to No of connected units No of connected indoor units Capacity over All stop Total capacity of indoor units exceeded 135 of total outdoor capacity No of connected indoor units are more than 48 units Note If this code appears after backup setup of outdoor unit trouble set up No capacity over detection Setup method of No capacity over detection Turn on SW09 Bit 2 on I F board of outdoor header unit Check the connection capacity of indoor unit Check the HP capacity of indoor unit Check the indoor outdoor capacity setup Check the No of connected indoor units Check the outdoor P C board error Communication error between indoor header and follower units Corresponding unit only stops Regular communication between indoor header and follower units Check cable of the remote controller Check power cabling of indoor Check PC board of indoor No header unit Two or more header units Outdoor header unit quantity error All stop There are multiple outdoor header units in 1 line There is none of outdoor header unit in 1 line The outdoor unit connected with communication cable between in
35. 0601 8 MAP0801T8 MAP1001T8 MAP1201T8 Cooling capacity KW 14 0 16 0 224 28 0 33 5 Heating capacity KW 16 0 18 0 25 0 31 5 37 5 No of connectable indoor units 8 10 13 16 20 B Combination of outdoor units Corresponding HP 14 HP 16 18HP 20 HP 22 HP 22 HP 24 MMY AP1401HT8 AP1601HT8 AP1801HT8 AP2001HT8 AP2201HT8 AP2211HT8 AP2401HT8 Combined Mode AP2401HT7 AP2411HT7 MMY AP1401T8 AP1601T8 AP1801T8 AP2001T8 AP2201T8 AP2211T8 AP2401T8 Cooling capacity kW 38 4 45 0 50 4 56 0 61 5 61 5 68 0 68 0 Heating capacity kW 76 5 12HP 12 Combined outdoor units No of connectable indoor units Corresponding HP 34 HP AP2601HT8 AP2801HT8 AP3001HT8 AP3201HT8 AP3211HT8 AP3401HT8 AP3411HT8 AP3601HT8 Combined Model AP3601HT7 AP2601T8 AP2801T8 AP3001T8 AP3201T8 AP3211T8 AP3401T8 AP3411T8 AP3601T8 Cooling capacity kW 73 0 78 5 84 0 90 0 90 0 96 0 96 0 101 0 Heating capacity kW 113 0 10 HP 10 HP 8 HP 8 HP No of connectable indoor units 48 Combined outdoor units Corresponding HP 36 HP 38 HP 40 HP 42 HP 44 HP 46 HP 48 HP AP3611HT8 AP3801HT8 AP4001HT8 AP4201HT8 AP4401HT8 AP4601HT8 AP4801HT8 Combined Model AP3611HT7 AP3801HT7 AP4001HT7 AP4201HT7 AP4401HT7 AP4601HT7 AP4801HT7 AP3611T8 AP3801T8 AP4001T8 AP4201T8 AP4401T8 AP4601T8 AP4801T8 Cooling capacity KW 101 0 106 5 112 0 118 0 123 5 130 0 135 0 Heating capacity kW 113 0 119 5 126
36. 19 TD1 sensor error TD1 sensor Open Short d07 AI NET This error code means detection of Open Short of TD1 sensor Check disconnection of circuit for connection of connector TD1 sensor CN502 White and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Checkcode code Check code name Cause of operation F05 A1 TD2 sensor error TD2 sensor Open Short d07 AI NET This error code means detection of Open Short of TD2 sensor Check disconnection of circuit for connection of connector TD2 sensor CN503 Pink and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Checkcode code Check code name Cause of operation 18 TE1 sensor error TE1 sensor Open Short d07 AI NET This error code means detection of Open Short of TE1 sensor Check disconnection of circuit for connection of connector TE1 sensor CN505 Green and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board 164 Check code name code name Check code name Cause of operation F07 18 TL sensor error TL sensor Open Short d07 AI NET This error code means detection of Open Sh
37. 43122047 FAN CASE UPPER 43122048 FAN CASE DOWN 43151282 SWITCH FLOAT 43121728 43121711 FAN MOTOR FAN MOTOR 43146555 MOTOR PMV 43146645 STRAINER 43146646 43140165 STRAINER EVAPORATOR ASSY 4314J166 EVAPORATOR ASSY 4314J167 EVAPORATOR ASSY 43140168 43172140 EVAPORATOR ASSY DRAIN PAN ASSY 43172141 DRAIN PAN ASSY 43147169 EVAPORATOR ASSY 4314J170 EVAPORATOR ASSY 43147676 DISTRIBUTOR ASSY 43147678 DISTRIBUTOR ASSY 43179117 BAND HOSE 43194084 NUT FLARE 43047545 NUT FLARE 1 4 IN 43194026 SOCKET 43194077 SOCKET 1 8 IN 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 73194080 SOCKET 43070146 HOSE DRAIN 43022408 PLATE WIND 43121730 PUMP ASSY 43170210 HOSE DRAIN 43107215 HOLDER SENSOR 43047609 BONNET 43049697 BONNET 43019904 HOLDER SENSOR 43179110 PLUG 43139123 RUBBER 43149314 SHEET PMV 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 a m m n le nl aya
38. All stop Resistance value of sensor is infinite or zero Open Short Check connection of TE1 sensor connector e Check characteristics of TE1 sensor resistance val Check outdoor P C board error 651 Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Check code name TL sensor error Status stop Error detection condition Resistance va infinite or zero ue of sensor is Open Short Check item position Check connection of TL sensor connector Check characteristics of TL sensor resistance value Check outdoor board error TO sensor error stop Resistance va infinite or zero ue of sensor is Open Short Check connection of TO sensor connector Check characteristics of TO sensor resistance value Check outdoor P C board error Indoor TA sensor error Corresponding unit only stops Resistance va ue of sensor is infinite or zero Open Short Check connection cabling of TA sensor connector Check characteristics of TA sensor resistance value Check indoor P C board error TS1 sensor error stop Resistance value of sensor is infinite or zero Open Short Check connection of TS1 sensor connector Check characteristics of TS1 sensor resistance value Check outdo
39. Check refrigerant pipe clogging Check outdoor fan operation In heating mode Check refrigerant shortage Protection for oil level drop detection All stop The operating compressor detected oil shortage continuously for 2 hours Check all the outdoor units in the corresponding line Check full opening of service valve of balance pipe Check connection and installation of TK1 TK2 TK3 and TK4 sensors check characteristics of TK1 TK2 TK3 and TK4 resistance values Check gas leak and oil leak in the same line Check refrigerant stagnation in compressor Check error of SV3A SV3B SV3C SV3D and SV3E valves Check clogging of oil separator oil return circuit Check clogging of oil equation circuit MG SW Magnet Switch OCR Over current Relay Lvl Check code Main remote controller Outdoor 7 segment display Check code Sub code 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error AI NET central control remote controller Detected position Check code name Oil level detective temp sensor error Status Error detection condition Resistance value of sensor is infinite or zero Open Short Check item position Check connection of TK1 sensor connector e Check characteristics of TK1 sensor resistance val Check outdoor P C board error Resistance value of sensor is infin
40. Indoor unit Is control communication line correct Indoor outdoor connection terminals U1 U2 Outdoor outdoor connection terminals U5 U6 Central control system connection terminals U3 U4 Is power of indoor units supplied collectively Is earth grounded Is insulation good Is the main power voltage good Is diameter of connecting pipe correct Is the branch kit correct Is drain water of the indoor unit arranged so that it flows without accumulation Is thermal insulation of pipes good Connecting pipes Branch kit Is not short circuit of discharge air in indoor outdoor units After airtight test for pipes are vacuuming and adding of refrigerant executed Are valves of all the outdoor units fully opened Header unit A Follower unit B Follower unit C Follower unit D 90 Gas side Liquid side Balance side Check the additional amount of refrigerant Check list 2 gt Calculate the additional amount of refrigerant from the additional amount of refrigerant A by the pipe diam eter at liquid side and the pipe length to be connected and the corrective amount of refrigerant C by the system capacity Additional amount Actualliquid Additional amount of Corrective amount of of refrigerant 7 pip
41. SW01 SW02 SW03 Rotary switch 7 segment display B 114 1 Cooling test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for the cooling test operation mode Using switches on the interface board of the header unit Operation procedure Set SW01 on the interface P C board of the header unit to 2 Sw02 to 5 SW03 to 1 respectively is displayed on 7 segment display A Push SW04 on the interface P C board of the header unit for 2 seconds or mre FF Start TEST is displayed on the remote controller of the indoor unit to be operated Check that C is displayed 7 segment display B on the interface P C board of the header unit C Be sure to turn on power at the indoor side before power ON of outdoor unit Return SW01 SW02 SW03 on the interface P C board of the header unit to 1 1 1 respectively or push the push switch SW05 for 2 seconds or more 2 Heating test operation function This function is provided to change collectively the mode of all the indoor units connected to the same system for the heating test operation mode Using switches on the interface board of the header unit Operation procedure Set SW01 on the interface P C board of the header unit to 2 Sw02 to 6 SW03 to 1 respectively is
42. acl 1 indicates the terminal block letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at site 3 indicates the control P C board Network adaptor BLK WHI iE 1 iy 2 WA Wired Temote Adaptor for wireless controller remote controller HI9SOdYV Hi8SrOdV 204 HLvZOdV HL8LOdV HLGLOdV HLZLOdY HL600dV NNN od 11 5 sly 1 1 2 4 L g MVdoVId vl Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN 000 UC X3 LM GRN Indoor unit Earth screw Flow selector unit earth Screw Closed end connector Power supply Single hase ingle 220 240V 50Hz 220V 60Hz 1 CNo40 CN041 BLU BLU WHI WHI 2 l2 2 YoY S 4 13 CN050 112137475 adaptor Option N02 Outdoor unit BLU MCC 1401 RED Remote controller
43. 00000 CN074 0900005 906090 00 EMO 2 GY Yay WHI 999990 FAN xr DRIVE 1 1 3 ISP GERE m a i 000000 ies ear J2 Network Adapter OOOOOO LEER LLL Ja Option ub PC board E MCC 1520 A Flow selector 0090900 unit earth 1 2 3 4 5 61 W screw Line Fil RE Indoor unit Closed end 000000000000 earth screw connector Power supply single phase 220 240V 50Hz 220V 60Hz Outdoor unit 1 Indicates the terminal bolock letter Letter at inside indicates the terminal number 2 A dotted line and broken line indicate the wiring at side 3 indicate the control p c board 1 o AO 38 28 70 2 cno73 27 RED 24 EXCT 970 Ld EuTER 22 BLK 43 4 5 _ Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE BRW BROWN GRN GREEN Parts name Fan motor Running capacitor Transformer Lover motor Indoor temp sensor TC1 TC2 TCJ Temp sensor RY001 Louver control relay RY002 Drain control relay RY005 007 Fan motor control relay Float switch Drain pump motor Pulse motor valve HSLtZOdV HSL8L0dV ZI rey
44. 1 1 ih 4 i E 7 el m m 135 UNIT PETS mr 2i 981 9 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Remote controller Check code name Communication error between indoor and remote controller Detected at remote controller side Status Corresponding unit only stops Error detection condition Communication interrupted between indoor P C board and remote controller Check item position Check remote controller inter unit cable A B Check disconnection connector contact error Check indoor power supply Check indoor board error Check remote controller address setup When two remote controllers operate Check remote controller P C board Remote controller Remote controller sending error Corresponding unit only stops Signal could not be sent from remote controller to indoor unit Check the communication wire of remote controller Exchange remote controller Indoor unit Communication error between indoor and remote controller Detected at indoor side Corresponding unit only stops No communication from remote controller including wireless
45. 265 219 220 2259 2299 2269 2309 2219 2319 2289 2329 2639 2629 260 261 20 HLtcOdV HL8LOdV HILSLOdV OININ 9t A403 406 404 A405 20 HL8LOdV HILSLOdV OININ Location No 43109407 Description GRILLE INLET Model Name AP0151H AP0181H AP0241H AP0271H 43109408 GRILLE INLET 43121715 MOTOR FAN 43121716 MOTOR FAN 43146555 MOTOR PMV 43146646 STRAINER 43120222 FAN MULTI BLADE 4314J239 EVAPORATOR ASSY 4314J240 EVAPORATOR ASSY 43122084 CASE FAN LOWER 43122085 CASE FAN UPPER 43121719 DRIVER A SSY HORIZONTAL LOUVER 43180314 AIR FILTER 43180315 AIR FILTER 43108014 BASE RECEIVER 43147738 DISTRIBUTOR ASSY 43147739 DISTRIBUTOR ASSY 43179130 BAND HOSE 43125155 COUPLING 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 4 43194080 SOCKET 43194079 SOCKET 43149326 COVER BACK BASE 43194157 SHAFT 43125159 BEARING 43160556 LEAD LOUVER HORIZONTAL 43109409 GRILLE ASSY HORIZONTAL 43109410 GRILLE A SSY HORIZONTAL 43107252 SH
46. 4 using the timer time 4 or button select the setup data At shipment 2227 The setup data are as follows Setup data Handling of operation of air to air heat exchanger or ventilating fan 0000 Unavailable At shipment 200 Available 5 Push SET button OK if display goes To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure J 6 Pushing returns the status to the usual stop status 2 Wiring Relay DC12V procured locally 4 way Air Discharge Cassette type CN32 Outside control Concealed Duct Standard type modei FAN DRIVE input of fan Under Ceiling type 2P WHI High Wall type To terminal 3 Corresponds up to a relay in which rated current of the Indoor control operation coil is approx 75 P C board Other type models Note Determine the cable length between the Correspond up to a relay in which rated current of the indoor control board and the relay within 2m operation coil is approx 16mA Does not correspond to a terminal block type relay on the market 78 B Leaving ON prevention control Function This function controls the indoor units individually It is connected with cable to the control board of the indoor unit a group control it is connected with cable to the indoor unit Control P C board and the item code 2215 set to the connec
47. 4 way valve ON 4 way valve OFF SV2 ON SV5 OFF SV2 OFF SV5 ON SV3A SV3B OFF SV3C OFF SV3D OFF SV3A OFF SV3B ON SV3C OFF SV3D OFF SV3A OFF SV3B OFF SV3C ON SV3D OFF SV3A OFF SV3B OFF SV3C OFF SV3D ON SV41 ON SV42 OFF SV41 OFF SV42 ON M foe PMV1 PMV2 opening Displays opening data Decimal Total opening Oil level judgment status oL lt SWO05 gt push SW function The following data is displayed for 2 seconds During oil shortage in compressor 1 L during oil shortage in compressor 2 Initial display Oil level judgment result Judgment result of compressor 1 in 4 compressor 2 in 0 Normal 1 2 Shortage is displayed 207 3 Data display of outdoor cycle Displayed on each outdoor unit Display contents Pd pressure data Pd pressure MPaG is displayed with decimal data MPaG Approx 1 10 value of kg cm G data Ps pressure data Ps pressure MPaG is displayed with decimal data PL pressure conversion data Estimated pressure of liquid line MPaG is displayed with decimal data TD1 sensor data Temperature sensor data C is displayed Symbol with decimal notation Data Symbol for 1 sec and data display for 3 sec Symbol alternately D
48. B 7 segment display on the outdoor unit Interface P C board On the interface control P C board 7 segment LED to check the operating status is provided on the control P C board The displayed contents are changed by combining the setup numbers of the rotary switches SW01 SW02 and SW03 on board Interface P C board 7 segment 7 segment display A display B re B 8 8 8 1st 3rd 2nd 1st T place place place place place CN30 CN31 SW05 SW15 NUE ge 212 0 D601 0602 D603 0604 SW01 SW02 SW03 Display B Check procedure in case of stop with trouble When the system stopped due to a trouble of the outdoor unit execute a check in the following procedure 1 Open the panel of the outdoor unit and then check the 7 segment display The check code is displayed at the right side of 7 segment display B U1 OOO DOO Check code Switch setup when confirming the check code SW01 1 SW02 1 SW03 1 However the check code OOO is displayed for 3 seconds and the sub code OOO for 1 second are alternately displayed if an sub code is provided Confirm the check code and then conduct the check operation based on the procedure of each check code diagnosis U1 E28 on 7 segment display means a trouble on the follower unit Push the push switch SW04 on the header unit for several seconds As only th
49. DC fan return 057 058 Float SW 5 CN20 1 CN33 1 CN32 1 CN66 GRL LM ANDRIVE HU Fan output HA T10 TA sensor Optional output Flap Used only for 4 way Air Discharge Cassette Type Under ceiling type cho lt 9 C322 011 t 1 9 358 357 AS NN R316 C359 C362 20V uus Filter Option error input 1FA4B1B052900 2 16512 4 NT 7 CR SRP50A 2 F302 ok 1 Dra n C302 5 DB301 C317 R330 9064 9 01201 o C 1019 1 0378 25 _ 2113008 2094 i au 1 3 cnidg 2 TCi EN sensor EXCT TC1 sensor DISP Used for servicing 2 sensor 6301 lt gt No Power supply NI OV LOND Optional power supply ed 9dAI adAL piepuels ong D9IB9OuO ed 9119SSB eDueuosiq Aem p gt E 60 N2 TAQ Remote controller power supply LED 89NO da T OCNO u3 w31v34 EOENO 1 Drain pump output RY303 CR303 Remote controller inter unit cable Indoor Outdoor communication Also used for communication of the central control system Indoor Outdoor communication Spare 1 Nome for under ceiling high wall cOt L OOIN 6 k 0l OODUI Lec Power supply Power transformer Secondary side AC11V 14V 20V PMV
50. Display Data name format Room temp During control 4 J buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and tempera button to change the item to one to be monitored Then monitor the indoor unit and sensor temperature or operation status in the A button returns the display to the Room temp Remote controller Indoor suction temp TA Indoor coil temp TCJ Indoor coil temp TC2 Indoor coil temp TC1 Indoor unit data NOTE 2 Indoor discharge temp Tf NOTE 1 Indoor PMV opening of connected indoor units Total HP of connected indoor units of connected indoor units System data Total HP of indoor units NOTE 1 Only a part of indoor unit types is installed with the discharge temperature sensor This tempera ture is not displayed for other types NOTE 2 When the units are connected to a group data of the header indoor unit only can be displayed NOTE 3 01 Compressor 1 only is ON 10 Compressor 2 only is ON 11 Both compressor 1 and 2 are ON C3 4 1 4 e P Operation procedure 1525354 Returns to the normal display Display Data name format Compressor 1 discharge temp Td1 Compressor 2 discharge temp Td2 High
51. REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL 1201 8 a af a a a po 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160509 TERMINAL 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 72 0151 0181 0241 0271 bl 212 Butyl Rubber 20 HL8LOdV HISLOdV SININ GZ ps 4 We EG zal amp KP en C O O O A 402 A 407 A 405 A 406 20 HL8LOdV Part No No 43109392 Description GRILLE INLET Model Name MMF AP0151H AP0181H AP0241H AP0271H 43100279 CASE ASSY 43121671 MOTOR GEARD
52. The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A air conditioner installation Conventional air conditioner installation Used tool Whether conven tional equipment can be used Existence of new equipment for 410 Whether new equipment can be used with conventional refrigerant Flare tool Pipe flaring Copper pipe gauge for adjusting projection margin Flaring by conventional flare tool Torque wrench Connection of flare nut Gauge manifold Evacuating refrigerant charge run check etc Charge hose Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 When flaring is carried out for R410A using the conventional flare tools adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the gener
53. Thermo ON output ON during Real thermostat ON Compressor ON COOL output ON when operation mode is cooling system COOL DRY Cool Heat Auto cooling HEAT output ON when operation mode is heating system HEAT Cool Heat Auto cooling Fan output ON when indoor fan is ON During use of air cleaner Interlock cabling Outside error input DC12V COM DC12V COM e e Outside error input Generate check code L30 for 1 minute continuously to stop forcedly the operation CHK operation check Check mode input OV Used for indoor operation check Outdoor does not communicate with remote controller and outputs specified operation such as indoor fan H drain pump ON etc DISP exhibition mode Display mode input OV Exhibition mode enables to communicate by indoor unit and remote controller only When power has been turned on Timer short Usual EXCT demand Demand input OV 223 Indoor unit forced thermostat OFF operation 10 2 Outdoor unit Positions to be checked on the interface P C board MCC 1429 CNOS backup For inter unit cable CNO1 between outdoor units For inter unit cable between CNO3 indoor and outdoor units Pressure sensor Ps Pressure sensor Pd 01 backup UART opion input output RMV communicatio
54. otherwise the air conditioner may malfunction Do not install the air conditioner in a humid or oily place or in a place where steam soot or corrosive gas is generated Do not install the air conditioner in a salty place such as seaside area Do not install the air conditioner in a place where a great deal of machine oil is used Do not install the air conditioner in a place where it is usually exposed to strong wind such as in seaside area or on the roof or upper floor of a building Do not install the air conditioner in a place where sulfureous gas generated such as in a spa Do not install the air conditioner in a vessel or mobile crane Be careful with noise or vibrations Do not install the air conditioner in a place where noise by outdoor unit or hot air from its air outlet annoys your neighbors Install the air conditioner on a solid and stable foundation so that it prevents transmission of resonating operation noise and vibration If one indoor unit is operating some sound may be audible from other indoor units that are not operating 3 11 Troubles and Causes CAUTION If any of the following conditions occur turn off the main power supply switch and immediately contact the dealer The operation lamps flash at short intervals 5 Hz even though you have tried turning off the power supply and turning on again after 2 or 3 minutes Switch operation does not work properly The main power fuse often blows out o
55. 01 Comp 1 side 02 Comp 2 side Current detect circuit system error IPDU Comp 1 case thermo operation VF Low pressure protective operation VF ajajaj a Oil level down detective protection VF 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error Oil level detective temp sensor error VF Comp 2 case thermo operation VF 01 TK1 oil circuit system error 02 TK2 oil circuit system error 03 TK3 oil circuit system error 04 TK4 oil circuit system error Oil level detective circuit error Magnet switch error Overcurrent relay operation VF MG SW Overcurrent relay Duplicated indoor header units Indoor Duplicated outdoor line addresses VF Duplicated indoor units with priority Displayed on indoor unit with priority VF No of indoor units with priority Duplicated indoor units with priority Displayed in unit other than indoor unit with priority VF Group line in individual indoor unit Indoor Indoor group Address unset Indoor VF Indoor capacity unset Indoor Outdoor capacity unset VF Duplicated central control addresses AI NET Indoor aja jaina jajajajaja oe aja jaaa jajajajaja Over No of connected outdoor units VF 01 IPDU1 error 02 IPDU2 error 03 IPDU3 error 04 Fan IPDU error 05 IPDU1 Fan IPDU error 06 IPDU
56. 2 Description T 43120220 FAN MULTI BLADE 43121708 MOTOR FAN 43096078 BUSHING 43196012 BUSHING 43146555 MOTOR PMV 43146644 STRAINER 43180319 AIR FILTER 43149228 EVAPORATOR ASSY 43079249 BAND HOSE 43125135 BEARRING SHAFT 43125155 COUPLING 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43070146 HOSE DRAIN 43121713 PUMP ASSY WIRING 43151281 SWITCH FLOAT 43160553 LEAD MOTOR FAN 43100287 PLATE ASSY A 43100588 PLATE B 43100289 FLANGE 43125160 SHAFT 43172166 PAN ASSY DRAIN 43147672 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43194055 NUT FLARE 3 8 IN 43019904 HOLDER SENSOR 43179110 PLUG 43179126 RUBBER PUMP DRAIN 43119468 PLATE ASSY 43170233 HOSE DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 nl a po 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43158184 REACTOR 43160478 TERMINAL BLOCK 43160509 TERMINAL 4 407 4316V210 P C BOARD ASSEMBLY 37 86 233
57. 4 7 D 0 Push the push SW04 for 5 seconds or more H 5 rd are displayed 4 Set rotary SW01 02 03 to 2 11 1 rd are displayed Operation during pump down operation Outdoor unit Operation contents Compressor stops Outdoor unit with trouble Ey vetu A open SV3A 3B 3C 3D 3E Other outdoor units Operates in test COOL operation 234 6 Close fully the service valve of the gas pipe of the troubled outdoor unit approx 10 minutes after the system has started 7 Push the push SW04 of the troubled outdoor unit in order to display the pressure data MPa Every pushing SW04 the displayed data changes successively Display Example rd 11 1 20 Ps 1 20 Initial display High pressure Low pressure Selection of outdoor unit for pressure adjustment 8 For the outdoor units which are operating with pump down mode the outdoor unit having the least unit number is selected as the outdoor unit for adjustment of pressure Unit No While SW01 02 03 are set to 1 1 1 the number displayed on 7 segment display indicates the unit No Ust indicates the unit No Selection for outdoor units other than unit for adjustment of pressure and troubled unit 9 Keep only the service valve of balance pipe of the unit for pressure adjustment and the troubled unit fully opened and close fully the service va
58. 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43019904 HOLDER SENSOR 43149314 SHEET 43147664 STRAINER 43147662 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43154141 RELAY LY2F L AC230V 43060700 FUSE 10A 250V 43060859 FUSE BLOCK 30A 250V 43150298 SENSOR TA 43155180 CAPACITOR 43155182 CAPACITOR 43155164 CAPACITOR 43158187 TRANSFORMER 43160434 TERMINAL BLOCK 4P 43160478 TERMINAL BLOCK 43160509 TERMINAL 4P 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 40 MMD AP0721H AP0961H 2 213 214 SA NN AYER SUN 207 N et 212 217 HL960dV HLZZ0dV dM et A 407 411A CE nm nix 4 TEETE E ae am TTE NN p JA LAE SN SN RBBB M UE OMS Oh epee d Pi jJ Ram OSA RART kx bane FANS
59. C Room temperature 17 C to 32 C Heating operation Outdoor temperature 15 C to 15 C Wet valve temp Room temperature 15 C to 28 Dry valve temp If air conditioner is used outside of the above conditions safety protection may work 47 3 15 Maintenance For maintenance be sure to turn off the main power switch CAUTION Do not handle the buttons with wet hands otherwise an electric shock may be caused A WARNING Please do not intend to do the daily maintenannce and or Air Filter cleaning by yourself Otherwise you may contact with revolving fan or active electrity when you insert your hands into the unit during running of the air conditioners Daily maintenance Cleaning of air filter lt zu i Tr is displayed on the remote controller EY maintain the air filter MEN dE 5898 2 Clogging of the air filter decreases cooling 7 heating efficiency REMOTE CONTROLLER o W 2 After cleaning push button display disap VQ pears 4 way Air Discharge Cassette Type When using an elevator panel move down the suction port with the elevator remote controller 1 Open the suction port Slide the clip of the suction port to inside and open the suction port slowly while holding it Strap to prevent falling 2 Tak
60. Check code Sub code 01 Compressor 1 side 02 Compressor 2 side AI NET central control remote controller Detected position Check code name Heat sink overheat error Status All stop Error detection condition IGBT built in temp sensor TH was overheated Check item position Check power voltage Check outdoor fan system error Check clogging of heat sink cooling duct Check fixation between IGBT and heat sink Check screwing and contact Check IPDU error IGBT built in temp sensor TH error Indoor address with trouble Indoor Indoor overflow error All stop Float switch operated Float switch circuit disconnected or the connector came off Check the float switch connector Check operation of drain pump unit Check the drain pump circuit Check clogging of drain pipe Check indoor P C board error Indoor Indoor fan motor error Corresponding unit only stops The value of motor speed deviated from target value was detected for certain time Over current protection operated Check connection of fan connector and wiring Check fan motor error Check indoor board error Check influence of outside air control Check indoor type code DN 10 and the capacity code DN 11 Outdoor liquid back detection error All stop In cooling While the system is operating in COOL mode a high pressure value was detected
61. FAN REDIBLK IORNIBLU duly CNO83 9Y 777 757537777 LM X 142134516 3 WHI 9f 171 151 LLN BLU 3 XS GRN 1203 BLU 11213 RED 2 7 H IM lu mE 007 CN104 00 ey P301 YEL 2X27 02 1 RYO01 1 i CN102 00 RED ev oo 006 T HA CN101 4 99 GRY S BLK gt 2 ew CN304 CN100 000 00 005 Control P C board BRN 22 XY for Indoor unit bp OOA MCC 1403 1 CN309 2 ACIN RED GRN 224 EE 00 GRN 1 CY FUSE 3 5 0 250 4 SAZA 073 1 067 RED 224 EXCT BLK 1 1 L CNO66 TWD Ud rien bd WHI 121 BiU m 9 Power supply p P i circuit CNO40 CNO41 CNO50 CNo61 cNos2 45 BLU BLU WHI WH YEL WHI WHI bg S orien gramen E 2 00000 11 43 21243445161 111243441516 112 11121344155 E XL 3X X3 215147575 T10 FAN OPTION Color E 2 DRIVE indication IMMER E rY2Ysy4Ysye CNO2 RED RED Network Adapter YeY374Y5Y6 YED WHI WHITE Option 2777777 gt YEL YELLOW Sub PC board 1520 BLK BLACK Flow selector A GRY GRAY oni a
62. Removes dust and trash Clip Air filter is provided in the air grille The clip is to open close the air inlet grille m Air inlet grille Air in the room is sucked from here 2 way Air Discharge Cassette Type Air outlet Air outlet flap Select air blow direction in cooling or heating operation each Earth screw It is included in the electric parts box Wiress remote controller Sold separately Center panel Air filter Air inlet Removes dust and trash Air in the room is sucked from here Air filter is provided in the center panel 1 way Air Discharge Cassette Type Air outlet Air outlet flap Earth screw Select air blow direction in It is included in the electric parts box cooling or heating operation each Air outlet Air outlet flap Select air blow direction in cooling or heating operation each Earth screw It is included in the electric parts box Air inlet grille Air inlet grille Air in the room is sucked from here Air in the room is sucked from here Air filter Air filter Removes dust and trash Remo ves dust and trash Air filter is provided in the air inlet grille Air filter is vided in the air inlet grille Concealed Duct Type Concealed Duct High Static Pressure Type Air outlet flange Air inlet Discharge duct is Earth screw Suction duct is connected connected It is included in the elect
63. TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TCJ sensor 06 size lead wire length 1200mm Vinyl tube Red Model MMU AP 0151SH 0181SH 0241SH Fan motor AF 200 34 4D Running capacitor for fan motor AC 450V 1 5hF 500V 2 5hF Drain pump motor PJD 05230TF 2 Float switch FS 0208 603 Control P C board transformer 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF TA sensor Lead wire length 155mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 06 size lead wire length 1200mm Vinyl tube Red Concealed Duct Standard Type Float switch FS 0218 102 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 618mm TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 06 size lead wire length 1200mm Vinyl tube Red Model MMD AP 0241BH 0271BH 0301BH 0361BH 0481BH 0561BH Fan motor ICF 280 120 1 ICF 280 120 2 Drain pump motor ADP 1409 Float switch FS 0218 102 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 TA sensor Lead wire length 618mm TC1 sensor 04 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black
64. 3 Select air volume with FAN 46 button One push of the button and the display changes in the order shown on the right CEPI TE When air volume is AUTO OSs air volume differs according to the room temperature In DRY y mode AUTO is displayed and the air volume is LOW In heating operation if the room temperature is not heated sufficiently with VOLUME LOW operation select MED 8 or HIGH operation 4 Determine the set up temperature by pushing the TEMP A J or TEMP vw button Stop Push 0 button The operation lamp goes off and the operation stops 37 3 8 Automatic Operation Auto Changeover When you set the air conditioner mode or switch over from AUTO operation because of some settings change it will automatically select either cooling heating or fan only operation depending on the indoor tem perature CONTROLLER 2 Start 1 button Push this button to start the air conditioner 2 Mode select button MODE Select Auto 3 Temperature button Set the desired temperature In case of cooling start the operation after approx 1 minute In case of heating the operation mode is selected in accordance with the room temperature and operation starts after approximately 3 to 5 minutes When you select the Auto mode it is unnecessary to set the
65. 43121481 MOTOR AC 220V 60HZ FAN 43121482 43146555 FAN MOTOR MOTOR PMV 43146646 STRAINER 43120124 FAN MULTI BLADE 43180238 43139132 AIR FILTER CLAMP GRILLE 43100274 CABINET ASSY 43101357 PANEL REMOTE CONTROLER 43101345 4314232 COVER CONTROLER EVAPORATOR ASSY 43140233 EVAPORATOR ASSY 4314J234 EVAPORATOR ASSY 43097112 WASHER 4300Q077 MAGNET LOCK 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 43194080 SOCKET 43194079 SOCKET 43139093 CONNECTION ROD 3759V024 GRILLE ASSY 43109207 GRILLE OUTLET VERTICAL 43100235 CABINET LOWER 43147741 DISTRIBUTOR ASSY 43147742 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR i 43047609 BONNET 43147195 BONNET 1 2 IN 43194029 BONNET 43049697 BONNET 43172090 PAN DRAIN 43197136 WASHER 43109412 GRILLE OUTLET HORIZONTAL 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 258 4316V196 4316V197 REMOCON REMOCON 259 4311M422 OWNER S MANUAL 1201 8
66. 5 L RC e a o a FAN 00000000 CN083 WHI oY Y7 Y5Y Y3Y Y 7 RD NB H M L Color RY007 indication CN301 RED RED BLK WHI WHITE YEL YELLOW BLU BLUE BLK BLACK 006 GRY GRAY PNK PINK Qu Q ORN ORANGE BRW BROWN GRN GREEN RY005 067 Fuse BLK T5 0A 044 CN040 CNO41 BRW BLU BLU 112 122 1 1213 TR gt lt A ecce 3 1 Flow selector gt per p Indoor unit md BLU 50 9949 Bower supply 220 240V 50Hz o qe 220V 60Hz DI eid Secs coe emit WY CN1 Outdoor unit Remote controller 050 m unit earth Screw E MCC 1401 5 7 RED Closed end Mam connector Line Filter CNO1 1112 2 Network adaptor P C board 12131415 Network adaptor CN104 1100 Es 1022 1 T1 RED Popo on lt TCJ 21 BLK 22 00 100 25 4 GRN 2 CN073 A RED 22 LS CNO70 cio 22724 9 Power suppl gt lt ircuit 1 222 BLK 43 CN074 CN075 061 CN032 CN060 4 WHI WHI YEL WHI WHI 5 4 237 24243440526 111273744546 12 21356 11 17213141576
67. 53 3 16 How to Use the Air Conditioner Efficiently To save the charges for electricity and to gain comfortable cooling heating operation Clean the air filter frequently Close window or door often f the air filter is clogged cooling heating efficiency Close window or door often so that cool hot air decreases does not out of the room Close windows and doors often Dt Do not cool heat the room excessively Evenness of room temperature Using a discharge louver adjust air direction WARNING Exposing yourself for a long time in blowing air exerts a bad influence upon your health Don t forget periodical check Do not expose your body in cool air fora long time otherwise it causes worse condition or health loss ZA It is unhealthy especially take care of children or aged persons S Recommended set temperature Cool 26 to 28 C Heat 22 to 24 Don t cool excessively 54 3 17 When the Following Symptoms are Found Check the points described below before asking repair servicing Check again It is not a failure Outdoor unit White misty cold air or water is out Sometimes noise Pushu is heard Fan of the outdoor unit stops automatically and performs defrost operation Solenoid valve works when defrost operation starts or finishes Indoor unit Swish sound is heard sometimes Slight Pishi sound is heard
68. ACCESSORY ASSY B 43121732 PUMP ASSY 43170235 HOSE DRAIN 43107215 HOLDER SENSOR 43047609 BONNET 43147195 BONNET 1 2 IN 43194029 BONNET 43049697 BONNET 43163030 HOLDER SENSOR 43063274 HOLDER SENSOR 43019904 HOLDER SENSOR 43149314 SHEET PMV 43170236 HOSE DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150300 SENSOR TA 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160509 TERMINAL 4P 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 25 MMD AP00071BH AP0091BH AP0121BH AP0151BH AP0181BH 26 MMD AP00071BH AP0091BH AP0121BH AP0151BH 0181 214 215 am TOS os Le 250 256 27 MMD AP00071BH AP0091BH AP0121BH AP0151BH AP0181BH 403 404
69. AI NET board Communication error between IPDU fan IPDU and I F IPDU fan IPDU P C board error Sub code 01 IPDU1 error 02 IPDU error 03 IPDU1 2 error 04 Fan IPDU error 05 IPDU1 fan IPDU error 06 IPDU2 fan IPDU error 07 All IPDU error or disconnection of communication line between IPDU I F P C board or outdoor P C board error Is jumper setup of outdoor I F P C board correct Jumpers 7 8 9 ON YES Is communication connector between IPDU and P C board connected NO Is there no disconnection of communication line between IPDU and P C board NO Is there voltage fluctuation between 4 and 5 pins of CN600 on I F P C board Measurement by tester DCO to 5V 5 pin GND NO Correct connection of connector YES Correct connection of connector YES Replace communication line NO P C board error Is there voltage fluctuation between NO 3 and 5 pins of CN600 on I F P C board Measurement by tester DCO to 5V 5 pin GND P C board error Both IPDU No 1 No 2 and fan IPDU did not return the communication Replace IPDU P C board with trouble 186 Check code Check code name Cause of operation L30 b6 Interlock in indoor unit Outside error was input d07 AI NET from outside Is outside device connected NO Check indoor P C board to connector CN80
70. B SWO01 SW02 SW03 Rotary switches 93 8 4 3 Address Setup Procedure In this air conditioner it is required to set up address to the indoor unit before starting opera tion Set up the address according to the following setup procedure CAUTIONS Set up address after wiring work Be sure to turn on the power in order of indoor unit gt outdoor unit If turning on the power in the reverse order a check code E19 Error of No of header units is output When a check code is output turn on the power again It requires maximum 10 minutes Usually approx 5 minutes to set up automatically an address to 1 line To set up an address automatically the setup at outdoor side is necessary Address setup cannot be performed by power ON only To set up an address it is unnecessary to operate the air conditioner Manual address setup is also available besides automatic setup Automatic address Setup from SW15 on the interface P C board of the header unit Manual address Setup from the weird remote controller It is temporarily necessary to set the indoor unit and wired to 1 1 In group operation and in time without remote controller Automatic Address Setup Without central control To the address setup procedure 1 With central control To the address setup procedure 2 However go to the procedure 1 when the central control is performed in a single refrigerant line Example In case
71. Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions Refer to the Parts disassembly diagram Outdoor unit If removing the label during parts replace stick it as the original Turn OFF the breaker before removing the front panel and cabinet otherwise an electric shock is caused by high voltage resulted in a death or injury During operation a high voltage with 400V or higher of circuit at secondary circuit of the high voltage transformer is applied If touching a high voltage with the naked hands or body an electric shock is caused even if using an electric insulator For details refer to the electric wiring diagram Turn off breaker voltage capacitor terminals If discharge is not executed an electric shock is caused by high voltage resulted in a death or injury After turning off the breaker high voltage also keeps to apply to the high voltage capacitor Q When removing the front panel or cabinet execute short circuit and discharge between high Execute discharge between terminals Do not turn on the breaker under condition that the front panel and cabinet are removed An electric shock is caused by high voltage resulted a death or injury Prohibition Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused w
72. Discharge air smells The operation lamp flashes STANDBY indication is lit Sound or cool air is output from the stand by indoor unit When power of the air conditioner is turned on Ticktock sound is heard Operates or stops automatically When the operation has started during the operation or immediately after the operation has stopped a sound such as water flows may be heard and the operation sound may become larger for 2 or 3 minutes immediately after the operation has started They are flowing sound of refrigerant or draining sound of dehumidifier This is sound generated when heat exchanger etc expand and contract slightly due to change of temperature Various smell such as one of wall carpet clothes cigarette or cosmetics adhere to the air conditioner Flashes when power is turned on again after power failure or when power switch is turned on When cooling operation cannot be performed because another indoor unit performs heating operation When the manager of the air conditioner has fixed the operation to COOL or HEAT and an operation contrary to the setup operation is performed When fan operation stopped to prevent discharge of hot air Since refrigerant is flowed temporarily to prevent stay of oil or refrigerant in the stand by indoor unit sound of flowing refrigerant Kyururu or Shaa may be heard or white steam when other indoor unit operates in HEAT mode and cold ai
73. Fan drive Option TELT P 21 45 112131415 Sub board 1520 42 4 4 CN02 YEL Parts name ZA 423741546 121374516 WHI Fan motor Running capacitor Power transformer Louver motor SEA TR TC1 TCJ ndoor temp sensor Temp sensor RY001 Flap motor control relay RY002 Drain pump control relay RY004 Heater control relay 1 indicates the terminal block letter at inside 005 007 Fan motor control relay indicates the terminal number Float switch 2 A dotted line and broken line indicate the wiring at site Drain pump motor 3 indicates the control P C board Pulse Motor Valve HALZLOdV HAL600dV 1 004 9dA1 9dAI emesse ABA L 2 1 2 91 060 REDIBLK IORNIBLU YEL DM 909900 0000 Z L JUL P301 BLK RY002 RY001 RY004 GO 006 GRY ol 005 Control P C board YEL for Indoor unit E CN309 MCC 1403 E Ts0A 250V 1 S e CN067 EN 1CN066 N MM icNo44 IE Power supply je Pav 4 41 CN050 CN061 CN032 CY BLU BLU WHI DN YEL WHI E
74. No Part No 43723020 Description CASE FAN LEFT Model Name AP0071BH AP0091BH AP0121BH AP0151BH AP0181BH 43126119 CASE FAN RIGHT 43155179 CAPACITOR 43155191 CAPACITOR 43121300 43121642 MOTOR FAN MOTOR FAN 43146555 MOTOR PMV 43146645 STRAINER 43146646 43120137 STRAINER FAN MULTI BLADE 43180294 FILTER 43180295 FILTER 43170206 4314J229 CATCH DRAIN EVAPORATOR ASSY 4314J230 EVAPORATOR ASSY 43147736 DISTRIBUTOR ASSY 43147737 DISTRIBUTOR ASSY 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194080 SOCKET 43122046 PLATE WIND 43170197 HOSE ASSY 43107215 HOLDER SENSOR 43047609 BONNET 0 43147195 BONNET 1 2 IN 43049697 BONNET 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43191079 BASE MOTOR 43019904 HOLDER SENSOR 43170207 STRAINER 43111311 5 43149314 SHEET 43147664 STRAINER 43147724 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8
75. No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed Group address 0000 0002 Individual Follower unit of group 0001 Header unit of group 0099 Unfixed Flap type Adjustment of air direction 0000 0004 Not provided 0001 Swing only 4 way Air Discharge Cassette type and Under Ceiling type According to type Temp difference of automatic cooling heating mode selection COOL gt HEAT HEAT COOL 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by x Data value 2 0003 3 deg Ts 1 5 Automatic reset of power failure 0000 None 0001 Reset None Operation condition of humidifier 0000 Usual 0001 Condition ignored Detection control for heat exchanger temperature Usual Selection of option error input CN70 0000 0002 Filter input Humidifier input 0001 Alarm input Air washer etc Humidifier HA terminal CN61 select 0000 Usual 0001 Leaving ON prevention control Usual HA terminal Automatic elevating grille 0000 Unavailable Standard Oil guard panel 0001 Available Auto grille Oil guard Auto grille panel Unavailable Ventilating fan control 0000 Unavailable 0001 Available Unavailable TA sensor select
76. P22 1A Outdoor fan IPDU error Fan lock d07 AI NET Fan IPDU PC board error Overload cause External cause such as blast Fan IPDU power board error Sub code 0 IGBT short circuit 1 Position detect circuit error 3 Motor lock error 4 x Motor current error detected C TH sensor error Heat sink overheat D TH sensor error error Are cable connector NO connection on fan IPDU and power P C board A ssy normal Correct cable connector connection YES YES Is not outdoor fan motor locked Replace motor NO YES Is there no loosening on fixation between fan IPDU and heat sink Retightening of screws etc YES YES Is sub code of outdoor P C board 0d Replace fan IPDU NO ls there no problem YES such as stuffing or blast blowing to discharge port of outdoor fan Check fan IPDU Correct cause of overload 201 Check code name Check code name Cause of operation P26 14 G Tr short circuit protection error 1 Outdoor unit power error d07 AI NET 2 IPDU error Cable connection error 3 Compressor error 4 IPDU PC board error Sub code 01 Compressor 1 side 02 Compressor 2 side Correct power line NO Is power voltage of outdoor unit normal YES NO Correct connection of wire connector Is wire connector connection on IPDU
77. SIDE LEFT 43191665 PANEL UNDER 43107215 43047609 HOLDER SENSOR BONNET 43194029 BONNET 43019904 HOLDER SENSOR 43149314 43162050 SHEET PMV BUSHING 56DIA 43139151 SPACER BEARING l 5 5 43197163 SCREW FIX DRAIN PAN 43147664 4316V194 STRAINER REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150297 SENSOR TC 43160478 TERMINAL BLOCK 43160509 TERMINAL 4316V225 P C BOARD ASSEMBLY 50 LS 222 223 HL8LOdV HLGLOdV HLZLOdV HL600dV fHEZ00dV MININ MMK AP0071H 0091 0121 AP0151H AP0181H 265 I B Pac 228 229 52 MMK AP0071H 0091 0121 AP0151H AP0181H AN 401 53 Location Desorption AP0071H AP0091H APO121H APO151H APO181H 43120180 FAN 43120183 FAN 43100281 CABINET ASSY 43100282 CABINET ASSY 43109343 GRILLE INLET 43109353 GRILLE INLET 43109344 GRILLE INLET RIGHT 43109345 GRILLE INLET LEFT 43109346 PANEL RECEIVER 43102617 CABINET SIDE RIGHT 43121625 MOTOR GEARD MT8 3 6 43121718 FAN MOTOR 43146
78. Transformer TT 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B40YGTF EDM B60YGTF 1 Driving motor for vertical flap MT8 3 9 TA sensor Lead wire length 1200mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 2000mm Vinyl tube Black TCJ sensor 06 size lead wire length 1200mm Vinyl tube Red 29 3 2 Outdoor Unit Cooling Only Model Model MMY MAP0501 T8 MAP0601 T8 MAP0801 T8 MAP1001 T8 MAP1201 T8 Compressor DA351A3FB 23M Output 3 0kW x 2 pA421AeFB 293M Oumput 375KWx2 23M pA421AeFB 293M 3758 200 3 75kW x 2 4 way valve coil Heat pump only VHV 01AJ502C1 LB64046 220 240 50 60Hz Pulse motor valve coil VPV MOAJ524C0 HAM MD12TF 3 AC220 240V 50 60Hz 2 way valve coil VPV 122DQ1 SV2 SV3D SV42 SV3A SV3B SV3C SV3E SV41 SV5 VPV 303DQ1 SV2 SV3C SV3D SVSE 2 way valve SV3A SV41 SV42 SV5 VPV 603DQ2 SV3B High pressure SW ACB JB215 OFF 3 73MPa 2 9MPa Pressure sensor For high pressure 150XA4 H3 0 5 to 3 5V 0 to 0 98MPa Pressure sensor For low pressure 150XA4 L1 0 5 to 4 3V 0 to 3 73MPa Fan motor MF 230 600 2 DC280V 600W Case heater AC240V 26W x 3 Compressor case thermo US 622KXTMQO SS OFF 125 C 90 C 2 Heat Pump Model Model MMY MAP0501HT7 MAP0601HT7 MAP0801HT7 MAP1001HT7 MAP1201HT7 Compressor DA351A3FB 22M Output 3 0kW 2 DA4
79. Turn the lever at the bottom side of the main unit to take out the air filter dk gt vA downward while holding the frames Concealed Duct High Static Pressure Type Cleaning method differs according to the mounted air filter type For cleaning method please contact the dealer The cleaning method differs depending on the type of attached air filter Please ask the constructor or the dealer which you purchased the air conditioner 2 Before cooling season Cleaning of drain pan For cleaning of the drain pan contact the dealer If the drain pan or drain port is clogged with dust water is disabled to drain In some cases water overflows from the drain pan and it may wet wall or floor Be sure to clean the drain pan before the cooling season Under Ceiling Type 1 Open the suction grille Hold knob of the inlet grille push it rearward OPEN and then open the inlet grille quietly while holding it 2 Take out the air filter Ini ill Push knobs of the air filter to remove the claws of the Air filter inlet grille Remove the air filter by pulling it toward you Inlet grille fixing knob 3 Suck dust by a vacuum cleaner or clean with water When dirt is heavy it is effective to clean the filter with tepid water with dissolved neutral detergent or cold water After clean
80. When the power supply is reset the check code is also reset once If an abnormal status which the check code appears after Start Stop button of the remote controller has been pushed continues the check code is displayed again on the remote controller Remarks Operation select 1 Based upon the operation select command from the remote controller or central controller the operation mode is se lected Stops air conditioner Fan operation Cooling operation Dry operation Heating operation Concealed duct type air conditioner cannot operate for drying Room temp control 1 Adjustment range Set temperature on remote controller Wired type 18 to 29 C Wireless type 16 to 30 C In cooling drying 18 to 29 C 18 to 30 2 From the item code 06 the setup temperature in heating operation can be corrected Sudam Jo 3 5 Setup at shipment Setup data Heating suction temperature shift Automatic capacity control 1 Based upon difference between Ta and Ts the operation frequency is indicated to the outdoor unit Air volume control 1 By the command from the remote controller HIGH MED or LOW L AUTO operation is executed 2 While air speed is in AUTO mode the air speed is changed according to the difference between Ta and Ts 64 HH gt H gt gt gt gt Prevention of cold air dis
81. amp 64 Closed end connector Power supply Single phase 220 240V 50Hz 220V 60Hz Power supply circuit 8 CN074 CN075 061 CN032 060 2 WHI WHI YEL WHI WHI lt 000090 112131456 009090 11213141586 Sub board 1520 11213741576 4 000 11213147516 1X2 CN02 YEL TR indicates the terminal block letter inside indicates the terminal number A dotted line and broken line indicate the wiring at site 2 indicates the control P C board When attaching a drain pump exchange 030 connector with a connector of the float switch is connected to the terminal block When exchanging to the outside static pressure necessary at the local site check the terminal No and lead color of the fan motor in the below diagram and then exchange the lead wire indicated by the arrow mark Pay attention to change static pressure because the outside static pressure of H tap in 50 or 60Hz Wired for MMD AP0481 only BLU BRN Wire ORN BRN WHI RED Motor over heating protection switch Wo 003 11243 54 GRN 2 PNL ININ NNS 1X2 X3I4X5X6 T10 Fan drive Option Si 43F1 ol DM separately FS
82. and connect a relay connector between U1 U2 and 03 04 terminals Header unit with trouble Outdoor unit selected as the header unit ite R oF ia i Communication line between outdoor units 05 06 _ sees Central control system communication line U3 U4 terminals mom m m m m m mom om omm om mmm Communication line between indoor and outdoor units 01 02 terminals 10 9 Change the connection of communication line between indoor and outdoor from the unit with trouble to the terminals U1 U2 of the unit selected as the header unit When a central control device is connected change the connection of communication line of the central control System from the unit with trouble to the terminals U1 U2 of the unit selected as the header unit 11 Turn on the power supplies of each outdoor unit Turn on the main power supplies of all the units other than the unit with trouble As for power supply of the unit with trouble follow the procedure below Leave the main power supply of the unit with trouble as it is In case of trouble on the compressor or electric parts system Compressor electric system parts I F P C board IPDU P C board Keep OFF for the main power supply of the unit lt In case of trouble on the refrigerant circuit parts system
83. controller side Check communication line miscabling and power of indoor unit Check communication X Y terminals Check network adaptor P C board Check the central controller Central control remote controller etc These errors are concerned to communication of remote controllers A B and central Error in indoor group E18 in some cases and displays none in other cases according to the contents Operation continued Error of follower unit in the group Check follower unit in the group system AI NET X Y and the main remote controller displays 201 202 203 E09 or Cautions when servicing for compressor 1 Removing wires of both compressors check output of the inverter as described below How to check inverter output 1 Turn off the power supply 2 Remove the compressor lead cables from the compressors Be sure to remove lead cables of both compressors 3 Turn on the power supply and start cooling or heating operation In this time pay attention to touch the fasten receptacle terminal lug of the compressor leads so that they do not contact with other fasten receptacle terminal lug or other position unit cabinet etc 4 Check output voltage of compressor lead cable at inverter side When the output voltage does not satisfy the criteria in the following table replace IPDU P C board Measured position Criteria Between Red and White 400
84. etc This control is provided to prevent the oil short in the compressor of each outdoor unit This control is basically performed by ON OFF operation of the solenoid valves SV3A SV3B SV3C SV3D For the schematic diagram of oil equation control 1 equation control This control supplies oil accumulated in the oil tank of each outdoor unit to the outdoor unit in which oil level moved down This control is performed during compressor ON of the header unit when oil level judgment result of the header unit shows Short or the oil equation demand is issued from the system of even a header unit In a case of system with a header unit No follower unit is connected this control is not executed 2 Oil short protective control If an oil equation control is executed the protection stops when the status of oil short continues for 30 minutes and it restarts after 2 minutes and 30 seconds after After then if the protec tion stop is repeated 3 times an error is determined Restart is not performed The error code is 07 Remarks Refrigerant Oil recovery control 1 In cooling operation this control is executed to regularly recover the refrigerating oil stagnated in gas inter unit pipe or indoor unit to the outdoor unit when the compressor driving command is weak and to prevent refrigerant accumulation in the outdoor heat exchanger while low ambient cooling opera tion is performed This control is managed by t
85. gg 2717072 172 gg 2 7101 40 gg 7 7 7 gt gt gt 0002 gt wut uuu When the count arrives 2000 the error is cleared However counting from 2205 is repeated on the display button is pushed the status returns to the normal status Operation procedure 15253 The status returns to the normal status Section A Error clearing in indoor unit Error in the indoor unit is cleared by button on the remote controller Only error of the indoor unit connected with operating remote controller is cleared 118 2 Clearing from the interface P C board Using the switches on the interface P C board this function is to clear the currently detected error for each refrigerant circuit system without resetting the power supply Restart of error detection Errors in both outdoor and indoor units are once cleared Set the rotary switches on the interface P C board of the 7 segment display header unit to the following setting A B SW01 2 SW02 16 SW03 1 perd Push the push switch SW04 on the interface P C board of the header unit for 5 seconds or more C L is displayed in 7 segment display B on the board 7 segment display for 5 seconds and the error is completely cleared A B Er CL 7 segment display B 3 Clearing
86. gt 1 1 MN MN a 23 c10o col mioimnmi2 j2 2 2 2 2 laja 91 Location No Part No Description MAP1201HT7 MAP1001HT7 MAP0801HT7 MAP0601HT7 MAP0501HT7 6 6 6 6 6 073 43197158 NUT FLANGE 074 43197162 WASHER 075 43146235 TUBE CAPILLARY BYPASS 076 43146236 TUBE CAPILLARY BYPASS 1 0x2 0x110L 43146239 TUBE CAPILLARY ID 1 2 43060029 FILTER NOISE 43147727 STRAINAER 43147718 STRAINAER 43147720 STRAINAER 43147722 STRAINAER 43191657 CABINET ASSY FRONT UP 43191658 CABINET ASSY BACK UP 43191659 CABINET ASSY SIDE RIGHT 43191660 CABINET ASSY SIDE LEFT 43191661 CABINET ASSY FRONT DOWN 43191662 CABINET ASSY BACK DOWN 43146661 COIL VALVE 4WAY h a a 43050382 SENSOR TC F6 43063248 SUPPORTER ASSY 43150315 SENSOR TD F6 43155176 CAPACITOR 43158186 TRANS 43158183 REACTOR 43160559 TERMINAL BLOCK 4P 43160548 TERMINAL 6P 43163017 SUPPORTER 43163048 SUPPORTER SET 4316V243 PC BOARD
87. o 6 0 on co oo 5 co co e 2 2 o e oom B Remote controller switch Appearance Wired remote controller E BS quem TER OO SM b 2 Coasa i s EC gl Simple wired remote controller TOSHIBA OF FREE Weekly timer Model name RBC AMT21E RBC AS21E RBC EXW21E Type Appearance Receiver section isti Receiver section Receiver section laid separately Model name RBC AX22WU RBC AX22CE TCB AX21E Type Appearance Air Discharge Cassette type 4 way discharge type Central remote controller SOSH ROTO er 0 eG ac ee Model name TCB SC642TLE Type 64 system center controller Under Ceiling type Separate sensor type L 152437415 00909 12131415 00909 K Xi 1212 LEAS WWo TA Ey TCJ 00 eoe TC2 W TC1 8 9 EXCT Filter input 514137271 17 Asx 5 172131 CN82 1121374 57 BLU 90000 Cy
88. t Start compensation valve of compressor Connector CN31 1 Blue 1 For gas balance start 2 High pressure release function 3 Low pressure release function Connector CN310 White for Heating model only 1 Preventive function for high pressure rising in heating operation 4 way valve Connector CN317 Blue 1 Cooling heating exchange 2 Reverse defrost Pulse motor valve Connector CN300 301 White Super heat control function in heating operation Liquid line shut down function while follower unit stops Oil separator 1 2 3 Under cool adjustment function in cooling operation 1 Prevention for rapid decreasing of oil Decreases oil flowing to the cycle 2 Reserve function of surplus oil Temp sensor TD1 Connector CN502 White TD2 Connector CN503 Pink 1 Protection of compressor discharge temp Used for release Connector CN504 White 1 Controls super heat in heating operation Connector CN505 Green 1 Controls defrost in heating operation 2 Controls outdoor fan in heating operation TK1 Connector CN514 Black TK2 Connector CN515 Green Connector CN516 Red 4 Connector CN523 Yellow 1 Judges oil level of the compressor TL Connector CN521 White 1 Detects under cool in cooling operation TO Connector CN507 Yellow 1 Detects outside temperature Pressure sensor High pressure sensor Connector CN501 Red 1
89. the refrigerating oil has been also changed Therefore be sure that water dust the former refriger ant or the former refrigerating oil is not mixed into the refrigerating cycle of the air conditioner with new refriger ant during installation work or service work If an incorrect work or incorrect service is performed there is a possibility to cause a serious accident Use the tools and materials exclusive to R410A to purpose a safe work 2 Cautions on Installation Service 1 Do not mix the other refrigerant or refrigerating oil For the tools exclusive to 410 shapes of all the joints including the service port differ from those of the former refrigerant in order to prevent mixture of them 2 As the use pressure of the new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge b R410A refrigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refrigerant changes and then characteristics of the air condi tioner change 3 Pipe M
90. 13 20304 WHI CNa25 Parts name lt 212 YEL ts 2888 55 5 cU Compressor x x g Pulse motor valve m SX J JORN 2 way valve coil Accumulator 38 Rm i 4 way valve coil heater CN26 CN06 CN18 Compressor case thermo Parts layout Comp1 RED BLK Pipe temp sensor Inlet Earth screw IPDU Board 2 H Pipe temp sensor Outlet ex py 0122021040908 Q MCC 1502 Heat exchange temp sensor MCC 896 Connecting terminal Interface CN02 5 Air temp sensor Noise filter control CNO1 R PC board PC board Power Supply WHI CN15 CN13 Oil temp sensor MCC 1366 Qf phase EE Liquid temp sensor Power supply 1429 380 415 50Hz Oe Case heater 230V 26W for fan 1439 pay Fan motor DC Reactor Low pressure sensor High pressure sensor Power Comp IPDU Comp IPDU 1 The two dot chain line indicates wiring at the local site and the dashed line indicates EET Switch terminal MCC 1502 MCC 1502 accessories sold separately and service cables respectively switc OCR Overcurrent rela 2 0 0 and 8 indicates PC indicat e the terminal blocks and the numerals indicate the terminal numbers board Be sure to fix the electric parts cover surely with two screws O
91. 234 205 236 zoe 207 237 040 238 777 444 pee 3 3 1 A 201 202 203 204 Mo P 217 218 219 220 221 222 C NN 223 224 229 230 231 232 e SS 228 235 ee 2 les IN i 208 209 HL8tOdV HL9E0dV HLZZOdV HIS8LOdV GININ MMD AP0181H 0241 AP0271H AP0361H 0481 S ACHACA Si IAE E P d PETERS ame m SL A414 A411 Location 22 Model Name MMD No Part No Description AP0181H APO241H 0271 APO361H AP0481H 202 43121633 MOTOR FAN 203 43121628 MOTOR 204 43121634 MOTOR FAN 205 43146555 MOTOR PMV 43146644 STRAINER 43146646 STRAINER 43120187 FAN 43120188 FAN 4314J152 EVAPORATOR ASSY 4314153 EVAPORATOR ASSY 4314J154 EVAPORATOR ASSY 43147658 DISTRIBUTOR ASSY 43147659 DISTRIBUTOR ASSY 43147660 DISTRIBUTOR ASSY 43147661 DISTRIBUTOR ASSY 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 43194080 SOCKET 43194079 SOCKET 43147745 DISTRIBUTOR ASSY 43147746 DISTRIBUTOR ASSY 43147747 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43147195 BONNET 1 2 IN 43194029 BONNET 43049697 BONNET
92. 250V e e e WW Color CN082 indication 2 9959 Power supply BLU RED RED 1 CN061 CN032 CN060 WHI WHITE enw LU BLU Wil VED QWHD WH YEL YELLOW x BLU BLUE FAN OPTION BEKEBLAGK DRIVI GRY GRAY y Network Adapter PNK PINK 4 Option ORN ORANGE BRW BROWN GRN GREEN 8 E 0 122 Fi Remote Controller Closed end WHI T10 0A 250V RED connector RED RED 10 00 OV RED inal Fan motor Static pressure N wiring Pa mmAg ote Indoor unit T10 0A 250V YEL 69 7 earth screw Wi 10 0 809 2 6 6 BLU 137 14 Setting from factory ORN 196 20 3 Power supply Single phase 220 240V 50Hz 220V 60Hz Closed end Symbol Parts name Fan motor RC Running capacitor TR Transformer TA Indoor temp sensor TC1 TC2 TC3 Temp sensor RY005 007 Fan motor control relay 001 Louver control relay 1 O Indicates the terminal bolock letter RY002 Drain control rela Letter at inside indicates the terminal number 5 Position is connected to terminal block when change to PMV Pulse motor valve 2 A dotted line and broken line indicate static pressure Exchange the lead wire of arrow F1 3 Fuse for fan motor the wiring at side t position after check the terminal number as figure 43F1 43F2 Fan motor control relay 3 indicate the control p c board and lead wire
93. 4 2 to 4 SEE Bit 1 Bit 2 igh stati i Bit 3 SW 4bit Bit 4 Judge abnormal No of connected indoor units OFF No error judgment Error Outdoor fan high static pressure operation OFF Normal High static pressure operation OFF OFF Normal For low noise operation ON INV frequency upper limit restriction OFF Normal Fan rpm upper limit restriction SW 4bit Set up priority of cool heat Based on following setup Priority on heating Priority on cooling SW Abit Priority on No of operating units Priority on specific indoor unit OFF OFF System stop OFF ON System operation continues Operation when indoor overflow detected SW 4bit OFF OFF OFF OFF OFF OFF OFF OFF OFF SW 4bit i Refer to item Address setup procedure End terminal resistance of communication OFF No end terminal resistance Exists ON between outdoor units OFF No end terminal resistance Exists ON Check connector Opened Normal Short Opened fully Check connector Opened Normal Short Opened fully CN32 Check connector Opened Normal Short Check mode The outdoor unit connected with indoor outdoor communication line becomes automatically the header unit The setup is unnecessary to be manually changed SW 2bit 227 11 BACKUP OPERATIONS EMERGENCY OPERATION When a trouble occurred at an outdoor unit or at one of the compre
94. 415V 10 Check cable of compressor and phase missing Check connector terminal connection on IPDU PC board Check conduction of case heater Check activation error due to liquid stagnation in compressor Check outdoor P C board IPDU error Check outdoor MG SW or OCR 01 Compressor 1 side 02 Compressor 2 side Current detection circuit System error stop While header compressor stopped current flowed more than the specified current and was detected Check cabling of current detection circuit system Check outdoor P C board IPDU error Compressor 1 case thermo operation All stop Compressor 1 case thermo stat performed protective operation Check compressor 1 case thermo circuit Connector cable P C board Check full opening of service valve Gas and liquid side Check outdoor PMV clogging 1 2 Check SV41 circuit leakage Check miscabling misinstallation of SV41 and SV42 Check valve open status of indoor PMV Check compressor error Check 4 way valve error Check refrigerant shortage Low pressure protective operation All stop Low pressure Ps detected operation lower than 0 02MPa Check full opening of service valve Gas and liquid side Check outdoor PMV clogging 1 2 Check SV41 circuit and SV42 circuit error Check low pressure Ps sensor error Check indoor air filter clogging Check valve open of indoor PMV
95. 43149314 SHEET PMV 43179126 RUBBER PUMP DRAIN 43119468 PLATE ASSY 43170233 HOSE DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 4311M422 REMOCON OWNER S MANUAL MMY MAP1201HT8 43050382 SENSOR TC F6 43050398 43150299 SENSOR TG F4 SENSOR TA 43158184 REACTOR 43160478 TERMINAL BLOCK 43160509 TERMINAL 407 4316V210 P C BOARD ASSEMBLY 1 29 MMD AP0241BH AP0271BH AP0301BH AP0361BH AP0481BH 30 MMD AP0241BH 0271 AP0301BH AP0361BH AP0481BH 216 217 0 4 1 n HE 31 MMD AP0241BH AP0271BH AP0301BH AP0361BH AP0481BH 403 404
96. 43179126 RUBBER PUMP DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 5 5 Ss N V A U 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150297 SENSOR TC 43160478 TERMINAL BLOCK 43160509 TERMINAL 4P 4316V225 P C BOARD ASSEMBLY N MMU AP0071WH AP0091WH AP0121WH AP0151WH AP0181WH MMU AP0071WH AP0091WH AP0121WH AP0151WH AP0181WH co CN N N 037 216 217 223 237 238 239 240 236 256 251 252 253 243 241 212 213 218 219 224 11 ee d P res PR ITI m Ele DO Wy HMLSLOdV HMLESLOdV HALZLOdV HAL600dV 004 Location No Part No 43120190 Description MLB FAN ASSY Model Name MMU AP0071WH AP0091WH AP0121WH AP0151WH AP0181WH
97. 5 6HP 72 14 41 or 5 6 36 6 5 6 8eLHLOZILdVIW SLHLOOLdVIN feLHEOSOdVIN 8LHL090dVIN 8SLHLOSOdVIN AIIN 8 27 27 pow CHECKED 1 CHECKED TO 50 m 6 44 or 45 5 6 Ye 79 HGHPRESSURE m 4 or 5 5 6HP SWITCH SEPARATOR OIL 4 5 SV2 M or 5 6 6HP NIE me ME HIGH PRESSURE 37 e SENSOR SV42 RIGHT SIDE 79 79 37 PULSE MOTOR VALVE T __ STRAINER STRANER 5 43 5 6HP 1 VALVE _ SVaf 65 47 svs 30 JOINT CHECK SVaC ios STRAINER G STRAINER A S _ L 29 29 VALVE 4WAY 40 36 75 43 A lt ID 1 0 gt VALVE CHECKED 8 or 7 5 6HP JOINT CHECK pio xioooL 3 VALVE CHECKED iz 81 or 82 5 6HP peers Mes CHECKED 8 X500 L 77 8 iD 1 2 72781012 OTL 76 X 1000 L X 1000 L LIQUID STRAINER m 34 or 36 5 6HP TANK OIL ZN LINE S STAANER LOW PRESSURE p E SV3D 5 SENSOR PACKED JOINT 44 or 45 5 6HP 33 51 10 10 lan lan ID 2 0 ID 2 0 x 33 X 1000 L 7 ACCUMULATOR OIL BALANCE 49 LINE FUSIBLE A VALVE STRAINER 38 1 PACKED 80 52 VALVE CHECKED 37 32 or 35 5 6 46 or 47 5 6HP S
98. 64413717215 61413717215 61413711215 00000 00000 A O O4 CN334 WHI Motor drive circuit Indoor control P C board Power supply circuit DC12V 009 0090 RED RED CN44 CN41 CN309 CN50 CN61 CN32 CN60 CN81 CN20 CN70 2 o WHI BRW BLU YEL WHI YEL WHI WHI BLK BLU WHI 2 Indoor unit R closed end 14243 112137415 1 203456 1X2 121314456 112431415 11213145 Flow selector 11 X3 Fan drive Signal output Earth screw 1 unit earth Screw Indoor uni power supply Single phase it 220 240V 50Hz 220V60Hz ALTA Xe i TH nue Network i 1 2 adaptor WHI TS Option I i Color identification TK i RED BLK BLACK j WHI WHITE GRY GRAY WAIT i YEL YELLOW PNK PINK BLU BLUE ORN ORANGE EE BROWN GRN GREEN _ BLK i Symbol Parts name Uus WHI Fan motor Outdoor unit 2 uu T Indoor temp sensor 1 indicates the terminal block letter at inside 12 Indoor temp sensor indicates the term
99. 67572771 37277 47372770 43020 Xs wv SIS CN506 BLK 373 aoloooloooo000Hoo0ooo0lMooo9looo90looo0lo900l00001000001000910091009 vel Wil BLU BLK 0 94 CNO1 CN300 CN301 i CN500 CN501 CN508 CN509 CN510 CN513 cNs12 CN306 M TDi FAN IPDU BLK Power supply BLU WHI WHI WHI WHI RED RED BLK WHI BLU BLU WHI BLU aruer P C Board Twn EEY board for 2575 ES 1 CN502 Pp rec uec MCC 896 897 74051 422 1439 GRY WHI yay BLUIBLK 1 2343 CN503 TD2 ALS 242 RED RED PNK gt gt BLU BLK IS RED 06 CN504 cNsos RED 171 00000100000 QUE TANE E 9j Interface Control P C Board CN504 2 2 ET TS1 D0000 CR503 1 RY503 MCC 1429 10 GRY BLU 96 EN HO 9 SW30 R EE m CR502 JE RY502 cnsos FAE TE1 BLUT GRN 470 BLK 5 3T Y1 T4 131211 2 5 2 WHI 3 rr 3 CN310 WHI 4b t 4232 EK ar CR504 RY504 YEL 410 BLK 171 CNO6 CN18 CN17 SEP BD TS1BLU BLK 2X2 CN26 WHI RED BLK d 94 CN514 Wie SE jppU P C Board 1 N312 WHI BLK LC WH BLUR E Ru HH Ho TESA DNT2 4 EES BLK 2 1502 BLK cwe JE mo boda dod ecd 5580 apse Ue on
100. AP0091YH 2 AP0121YH 2 43151246 SWITCH FLOAT 43155178 CAPACITOR 43121546 43146555 MOTOR FAN MOTOR PMV 43146645 STRAINER 43020226 FAN MULTI BLADE 4314J224 EVAPORATOR ASSY 43147728 DISTRIBUTOR ASSY 43179117 BAND HOSE 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194077 SOCKET 1 8 IN 43070146 HOSE DRAIN 43122082 CASING ASSY 43172143 DRAIN PAN INST ASSY 43121731 PUMP ASSY 43109369 GRILLE ASSY P 43170211 HOSE DRAIN 43107215 HOLDER SENSOR 43047609 BONNET 43049697 BONNET 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43039238 BAND MOTOR LEFT 43039239 BAND MOTOR RIGHT 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147664 STRAINER 43147673 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 In I po a In I po i af a a a a po 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43158
101. Cause of operation of Cause of operation L07 99 Group line in individual indoor unit The group line is connected in the d07 AI NET individual indoor unit Check setup item code DN 12 13 and 14 addresses There is individual indoor unit NO DN12 Line address DN13 Indoor address DN14 Group address Correct indoor group address Is there group cabling NO Check indoor P C board Failure Replace 183 Check code name Check code name Cause of operation L08 99 Indoor group address unset Indoor address unset 407 AI NET NO Are powers of all the indoor units turned on Turn on the power of indoor units YES Disconnect connectors between U1 02 and 03 04 Clear addresses Refer to Address Turn on the power of outdoor unit again Re execute address setup Refer to Address setup Note This code is displayed when the power is turned on at the first time after installation Because the address is not yet set up Check code name Check code name Cause of operation L09 46 Indoor capacity unset Indoor capacity unset d07 AI NET Are capacity setups of indoor units unset NO YES Set up capacity data of indoor unit Setup item code DN 11 Check indoor P C board Defect gt Replace 184 Check code name Check code name Cause of operation L10 88 Outdoor capacity unset On the
102. Check air short circuiting in outdoor unit Check clogging of SV2 circuit Check outdoor board error Check indoor fan system error Cause of air volume decrease Check valve opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of check valve of discharge pipe Check circuit of gas balance SV4 valve Check circuit of SV5 valve Check refrigerant overcharge 0 IGBT shortage 1 Position detection circuit error 3 Motor lock error 4 Motor current error detection C TH sensor temp error D TH sensor error E error Outdoor fan IPDU error stop Sub code 0 Short circuit current was detected at start time Short circuit current was detected when checking IGBT short circuit before start time Check fan motor Interphase short circuit Check fan IPDU error stop Sub code 1 The standard value of detection circuit of fan IPDU current fluctuated at start time Check fan IPDU error All stop Sub code 3 Abnormal current was detected within 30 seconds after start time Check fan motor Lock phase missing Check cause of abnormal overload at start time Check connection of connector to fan motor stop Sub code 4 Short circuit current was detected when 2 seconds or more passed after start time Over current was detected wh
103. H Sensor D 1 Sensor TK3 Compressor Inverter Solenoid valve SV3B 241 15 REPLACING COMPRESSOR 15 1 Compressor Replacing Procedure Outline A WARNING Never recover the refrigerant into out door unit START Is the outdoor unit a single system Be sure to use a refrigerant recovery device for YES 2 refrigerant recovery in reinstallation or repair work Recovery into outdoor unit is unavailable ue d the troubled Usingwahigerant otherwise a serious accident such as rupture or unit manually ini 1 Short CN30 on P C board recovery method at injury will be caused and turn off the power supply replacing of and recover refrigerant b compressor recover refrigerant recovery device the refrigerant NOTE Full opening operation of PMV by CN30 NOTE short circuiting returns full closing when 2 minutes passed To continue full opening status turn off power of the outdoor unit within 2 minutes Turn off power of the troubled outdoor unit Take off the troubled compressor Measure oil amount of the troubled compressor Check oil color of the troubled compressor ASTM Is 4 or more Judge the oil status based on the oil color and then decide to exchange the troubled compressor only or both compressors Exchange the troubled compressor only YES Replace both troubled compressor and normal compressor Measure oil a
104. If pressure of check joint of discharge pipe becomes high leakage from check valve of main discharge pie is considered Exchange the parts Check valve leakage of discharge pipe When gas leaks from welded part of oil equalization pipe where compressor has been removed under condition that nitrogen gas is pressed in from check joint of main discharge pipe leakage from check valve of main discharge pipe is considered Exchange the parts Check valve leakage of oil equalization circuit When gas leaks from welded part of oil equalization pipe where compressor has been removed under condition that nitrogen gas is pressed in from check joint of discharge pipe leakage from check valve of oil equalization circuit is considered Exchange the parts Check of oil shortage cause in compressor SV3A valve leakage SV3B valve clogging Open 5 valve manually under condition that nitrogen gas is pressed from check joint of discharge pipe When gas leaks from welded part of suction pipe where compressor has been removed SV3A valve leakage is considered Exchange the parts Next open SV3A valve and SV3B valve manually If gas leaks from welded part of suction pipe where compressor has been removed SV3A valve leakage is considered Exchange the parts SVSE valve clogging Clogging of oil return capillary Open 5 valve manually under condition that nitrogen gas is pressed from check joint of discharge pipe
105. In this case do not use the Swing function In this case do not use the swing function TM ANS 46 3 14 Air Conditioner Operations and Performance 3 minutes protection function 3 minutes protection function prevents the air conditioner from starting for initial 3 minutes after the main power switch circuit breaker is turned on for re starting the air conditioner Power failure Power failure during operation will stop the unit completely To restart the operation push the START STOP button on the remote controller Lightning or a wireless car telephone operating nearby may cause the unit to malfunction Turn off the main power switch or circuit breaker and then turn them on again Push the START STOP button on the remote controller to restart Heating characteristics Preheating operation The air conditioner will not deliver warm air immediately after it is turned on Warm air will start to flow out after approximately 5 minutes when the indoor heat exchanger warmed up Warm air control In heating operation When the room temperature reaches the set temperature the fan speed is automatically reduced to prevent to blow cold draft At this time the outdoor unit will stop Defrosting operation If the outdoor unit is frosted during the heating operation defrosting starts automatically for approximately 2 to 10 minutes to maintain the heating capacity The fans in both indoor and outdoor units will stop during the d
106. Inverter Unit MMY MAP0501T8 0601 8 MMU AP0561H 2 way Air Discharge Cassette gt MMU AP0071WH AP0091WH AP0121WH MMU AP0151WH AP0181WH AP0241WH MMU AP0271WH AP0301WH MMU AP0481WH CHINA market only 1 way Air Discharge Cassette Type gt MMU AP0071YH 0091 AP0121YH MMU AP0151SH AP0181SH AP0241SH Concealed Duct Standard Type MMD AP0071BH AP0091BH AP0121BH MMD AP0151BH AP0181BH AP0241BH MMD AP0271BH AP0301BH AP0361BHI MMD AP0481BH AP0561BH Concealed Duct High Static Pressure Type MMD AP0181H 0241 AP0271H MMD AP0361H 0481 AP0721H MMD AP0961H Under Ceiling Type gt MMC AP0151H 0181 0241 MMC AP0271H AP0361H AP0481H High Wall Type MMK AP0071H 0091 0121 MMK AP0151H 0181 AP0241H Floor Standing Cabinet Type MML AP0071H AP0091H 0121 MML AP0151H 0181 0241 Floor Standing Concealed gt MML AP0071BH AP0091BH 0121 MML AP0151BH AP0181BH AP0241BH Floor Standing Type MMF AP0151H AP0181H 0241 MMF AP0271H AP0361H AP0481H MMF AP0561H MMY MAP0801T8 MAP1001T8 MMY MAP1201T8 Heat Pump Model Inverter Unit MMY MAP0501HT7 MAP0601HT7 MMY MAPO0801HT7 MAP1001HT7 MMY MAP1201HT7 PRINTED IN JAPAN CONTENTS 1 4 way Air Discharge Cassette Type 1 2 2 way Air
107. MOTOR 43121729 FAN MOTOR 43146555 MOTOR PMV 43146644 STRAINER 43146646 STRAINER 43125147 SHAFT 43125149 SHAFT 43172140 DRAIN PAN ASSY 43172165 PAN ASSY DRAIN 4314J171 EVAPORATOR ASSY 4314J172 EVAPORATOR ASSY 4314J173 EVAPORATOR ASSY 4314J174 EVAPORATOR ASSY 43147677 DISTRIBUTOR ASSY 43147679 DISTRIBUTOR ASSY 43179117 BAND HOSE 43125131 BEARING SHAFT 43125155 COUPLING 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 73194079 SOCKET 43148151 STRAINER 43070146 HOSE DRAIN 43121730 PUMP ASSY 43170210 HOSE DRAIN 43122083 PLATE WIND 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43194055 NUT FLARE 3 8 IN 43019904 HOLDER SENSOR 43179110 PLUG 43139123 RUBBER 43149314 SHEET PMV 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 a ek 43050382 SENSOR 43050398 SENSOR TG F4 43150300 SENSOR TA 43155178 CAPACITOR 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160548 TERMINAL 6P 4316V207 P C BOARD ASSEMBLY 413 4316 247 P C BOARD ASSEMBLY
108. Main Power ON After turning on the main power of the indoor units and outdoor unit in the refrigerant line to be executed with a test operation check the following items in each outdoor and indoor unit After turning on the main power be sure to check in order of indoor unit outdoor unit Check on outdoor unit gt 1 Check that all the rotary switches SW01 SW02 5 03 on the interface P C board of the header unit are set up to 1 2 f other error code is displayed on 7 segment B remove the cause of trouble referring to 9 Troubleshooting 3 Check that L08 is displayed on 7 segment display B on the interface P C board of the header unit L08 Indoor address unset up If the address setup operation has already finished in service time etc the above check code is not dis played and only U1 is displayed on 7 segment display A 7 segment display A 7 segment display B Interface P C board T TIT ITI SW01 SWO2 SWO3 lt Check on indoor unit gt 1 Display check on remote controller In case of wired remote controller Check that a frame as shown in the following left figure is displayed on LC display section of the remote controller 2 Lid Co eos epi exe Normal status Abnormal status Power and operation stop Power is not normally turned on If a frame is not
109. Name AP0071H AP0091H 121 AP0151H APO181H 203 43126119 CASE FAN RIGHT 204 43109394 GRILL INLET WHITE 206 43155190 43155195 CAPACITOR CAPACITOR 43121299 MOTOR FAN 2 2 2 2 2 2 2 2 2 2 1 1 1 1 1 1 43121300 MOTOR FAN 43121641 MOTOR FAN 43146555 MOTOR PMV 43146645 STRAINER 43146646 STRAINER 43120074 FAN MULTI BLADE 140X160MM 43120137 FAN MULTI BLADE 43180280 AIR FILTER 43101346 FRAME WHITE 43101347 COVER CONTROL PANEL WHITE 43172101 PAN DRAIN 43100225 PANEL FRONT WHITE 43140221 EVAPORATOR ASSY 4314J222 EVAPORATOR ASSY 4314J223 EVAPORATOR ASSY 43147690 DISTRIBUTOR ASSY 43147691 DISTRIBUTOR ASSY 43147692 DISTRIBUTOR ASSY 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 43194080 SOCKET 43194079 SOCKET 43100233 CABINET UPPER WHITE 43100228 OUTLET WHITE 43109395 GRILLE WHITE 43109240 GRILLE 43170201 43107215 HOSE DRA1N HOLDER SENSOR 43047609 BONNET 43147195 BONNET 1 2 IN 43194029 43049697 BONNET BONNET 43196087 BUSHING GRILLE 43039136 BAND MOTOR LEFT 430391
110. P C board Connector position magnified drawing E i 1 me NL For power peak cut control selection Bit 2 For power peak cut control expansion selection 83 7 2 2 1 Power Peak cut Control Standard Header outdoor unit interface P C board Operation 1 SW07 i Set up Bit 1 The upper limit capacity of the outdoor unit is restricted based on the demand request signal from outside L1 Display lamp during power peak cut control Setup CN513 BLU to header SW1 Power peak cut ON switch Connection cable Y only ON during demand OFF in normal time 1 Wire color BLU SW2 Power peak cut OFF switch Power peak cut PJ17 OFF during demand ON in normal time 1 control board WHI ave 1 Input signals of SW1 and SW2 are acceptable even if they are longer then pulse input 100mm sec or serially made However do not turn on SW1 and SW2 simultaneously Be sure to prepare a contact for each terminal Relay contact capacity of operation port Below AC240V 1A COS 100 Below DC24V Non inductive load Note When connecting non inductive load such as relay coil to L1 load insert the noise surge absorber CR In case of AC or counter electromotive proof diode In case of DC into the bypass circuit Lll Ll pong Power peak cut control board TCB PCDM2E supply Procured In case of pu
111. Pd 4 15MPa during stop of compressor Check connection of Pd sensor connector Check Pd sensor error Check outdoor P C board error Indoor Indoor other error Corresponding unit only stops Indoor P C board did not operate normally Check indoor P C board error EEPROM error VF Outdoor EEPROM error All stop 1 Outdoor board did not operate normally Check power voltage Check power noise Check outdoor P C board error 01 Compressor 1 side 02 Compressor 2 side 1 All stop only in case of the header unit Compressor breakdown The follower unit continues operation stop Inverter current detection circuit detected over current and stopped Check power voltage AC220 240V 10 Check compressor error Check cause of abnormal overload operation Check outdoor P C board IPDU error Check code Main remote controller Outdoor 7 segment display Check code Sub code 01 Compressor 1 side 02 Compressor 2 side AI NET central control remote controller Detected position Check code name Compressor error lock MG SW error OCR operation Status All stop Error detection condition Over current was detected several seconds after header compressor had started Check item position Check compressor error Check power voltage AC380 10
112. Pressure sensor temperature sensor refrigerat circuit parts fan system parts Turn on the main power supply to protect the compressor Case heater ON Although E19 Outdoor header unit quantity error is displayed on 7 segment display after turning on the power supply of the unit it is not a problem because it is only interruption of communication with the header unit Then all the backup setup for the header unit has finished Check the operation 231 11 4 Backup Setup for Outdoor Unit during Cooling Season lt Outline gt Restricted to a case unnecessary to operate the air system in HEAT mode in cooling season etc this function enables the backup operation to operate quickly by omitting various setups even when the header unit or follower unit has mal functioned This backup operation is same as that of the abovementioned Outdoor Unit Backup Setup except that it cannot operate in HEAT mode Note 1 When this function is set up a heating operation is unavailable HEAT mode cannot be selected on the remote controller Note 2 If a trouble occurred on the interface P C board or the electric cycle system the backup operation cannot be performed by this setup In this case execute the abovementioned Outdoor Unit Backup Setup Work procedure 1 Turn off the main power supplies of all the units connected to the system Setup for outdoor unit with trouble The following procedure is common even if the outdoor u
113. TK1 sensor coming off Check characteristics of TK1 sensor resistance value Check TK1 TK2 and 4 misconnection Check operation error of SV3E valve Check capillary clogging of oil equation circuit and operation error of stop valve Check refrigerant stagnation in compressor Check MG SW or OCR Temperature change of TK2 could not be detected though compressor 2 started the operation Check TK2 sensor coming off Check characteristics of TK2 sensor resistance value Check TK1 TK2 and TK4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check stop valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR Temperature change of could not be detected though compressor started the operation Check sensor coming off Check characteristics of TK3 sensor resistance value Check TK1 TK2 and 4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR Temperature change of 4 could not be detected though compressor started the operation or the difference from other TK sensor changed for a constant time only within the specified range Check TK4 sensor coming off Check characteristics of TK4 senso
114. The mark O in the table indicates the corresponding solenoid valve is forcedly turned on NOTE 3 The mark in the table indicates ON OFF of the solenoid valve is controlled based upon the specifications of the air conditioner NOTE 4 The mark 6 in the table indicates the corresponding solenoid valve is forcedly turned off with this operation NOTE 5 The case heater outputs heat air for both compressor and accumulator heaters 7 segment display Operation pattern of solenoid valve Case heater SV41 SV42 SV3A SV3B SV3C SV3D output relay 2 3 4 5 6 7 8 9 10 to 15 OIOIOIOIOIOIOIOIOIO 16 Clear Return numbers of SW01 SW02 and SW03 on the interface P C board to 1 1 1 each NOTE As this function is not based on the specified general control be sure to release this mode after operation 122 8 7 8 Fan Operation Check in Outdoor Unit This function is provided to check the fan operation on the interface P C board in the outdoor unit The frequency of the fan speed can be controlled Therefore utilize this function to check the operation or abnormal sound in the fan system NOTE Do not use this function during operation of the compressor It may damage the compressor Operation 1 Set the switch on the interface P C board of the outdoor unit SW01 to 2 SWO 2 to 1 SWOS to 4 2 When F d is displayed in 7 se
115. When gas does not output from welded part of suction pipe where compressor has been removed there is clogging at SV3E valve or oil return capillary Exchange the parts SV3D valve capillary clogging Clogging of oil return capillary 7 Open SV3D valve manually under condition that nitrogen gas is pressed in from check joint of discharge pipe When gas does not output from welded part of suction pipe where compressor has been removed there is clogging at SV3D valve or oil return capillary Exchange the parts 247 Propeller fan Fan motor Air heat exchanger at outdoor side d Strainer A Pulse motor B CR valePMV Nitrogen pressurization Capillary tank 12 7 Strainer Check Nitrogen pressurization 4 High pressure 4 O valve Compressor 1 Inverter Solenoid 10 SV3E NS Strainer zt Solenoid Strainer e SV3B Balance Liquid Gas E pipe side side service service service valve valve valve 248 16 REOLACING METHOD OF PARTS Part to be exchanged Cabinet Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc lt Disassembling gt 1 Stop operation of the air conditioner and then turn off the switch of the breaker 2 Take off screws of the discharge cabinet M5 x 10 4 pcs 3 Take off screws Front rear at lower side of the cabinet M5 x 10 7
116. When outdoor automatic address started the indoor automatic address was being set Sub code 02 Sub code 01 Communication between indoor and outdoor 02 Communication between outdoor units Are U1 U2 U3 and U4 connectors connected YES Disconnect connector connection of U1 U2 03 U4 Turn on power of outdoor unit again Set up address again Refer to Address setup procedure 155 Check code E15 42 d07 AI NET Check code name No corresponding indoor unit during automatic address NO Cause of operation 1 Communication line connection error between indoor and outdoor 2 Indoor power system error 3 Noise from surrounding devices 4 Power failure 5 Indoor P C board error Is communication line between indoor and outdoor normal YES NO Correct communication line Is connection of CN40 connector on indoor P C board correct YES Is connection of CNO1 connector on P C board of NO Correct connection of connector header outdoor unit correct YES YES Correct connection of connector Is there any connection error of power cable NO YES Correct power cable Set up address again after Did a power failure occur NO YES resetting power supply NO Set up address again after resetting power supply 156 Eliminate noise Check code Check code name Ca
117. address The power of the header unit of the group is not turned on in indoor group control Unit which does not response to remote controller Turn on the power Group address is set up to follower unit in the individual control Unit which does not response to remote controller Set 0 to group address in case of individual control No display on remote controller No line is output The power is not turned on Unit which is not displayed on remote controller Turn on the power Remote controller is not connected with cable Unit which is not displayed on remote controller Correct cabling Miscabling of remote controller Unit which is not displayed on remote controller Correct cabling Remote controller communication circuit error Unit which is not displayed on remote controller If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails Remove FASTON terminal connected to remote controller terminals A B and check the voltage If voltage is not applied replace P C board 15 to 18V usually 8 5 4 In check for No of connected outdoor units and connected Indoor units after address setup diminished No of connected units displayed There are outdoor indoor units which do not operate in a test operation Countermeasures Number of connected outdoor units is short Miswiring of communication line between
118. be connected to the sub remote controller 4 Nome for concealed duct Floor standing cabinet Floor standing concealed 5 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 6 Nome for 1 way discharge cassette YH type ed 5 1001 9dAI 10014 1euiqe 10044 9dAI oneis UBIH Nq oDueuosiq 9dAI 9119SSB 2 gt 912 Indoor unit 1 Network adaptor Option Central control X Transformer Wireless remote controller communication circuit Indoor control P C board MCC 1402 Remote controller communication circuit m H8 3039 S Float input Driver Louver None for Concealed Duct motor None for Concealed Duct type Drain CPU 88 47FG TMP88PH 47 Fan motor control circuit Outside z Indoor Outdoor Ui Ue communication Outdoor unit Power supply 10200 240 50Hz 10220 60Hz controller kit Sensor PC board Remote controller Emergent SW Function setup SW communication Power circuit Circuit Sensor circuit Power Power supply 1 Outdoor Outdoor unit unit Max 8 units
119. board error TH sensor error Sub code 01 Compressor 1 side 02 Compressor 2 side NO 880 415V 10 Is power voltage normal Correct power line YES NO Correct wiring such as Is wiring of IPDU normal cable to compressor or connector connection YES NO Is indoor fan normal Check fan and fan motor YES Is screw between IPDU YES and heat sink loosened Tighten screws NO 15 there no clogging of YES heat sink cooling duct Correct clogging NO Check IPDU board 191 Check code name Check code name Cause of operation P10 0b Indoor overflow error 1 Float SW operation error d07 AI NET 2 Drain pump operation error 3 Clogging of drain pipe 4 Indoor P C board error Sub code Indoor address with trouble Is float SW connector Indoor control P C board CN34 connected normally NO Correct connector connection YES NO m Does float SW operate Check and correct wiring YES YES Check indoor P C board Failure Replace NO Is power supply to Check indoor P C board Does drain pump operate drain pump normal Failure Replace YES YES Replace drain pump Check drain pipe etc and check cabling Check there is 380 415V voltage of 1 3 pin of CN68 on indoor P C board 192 Check code name Check code name Cause of operation P12 11 Indoor fan motor error 1 Cabling
120. code P10 When CN70 is connected or the item code 40 setup data is 1 the setup becomes humidifier provided and the drain pump operates with the left conditions Elimination of remaining heat 1 When the air conditioner stops in the HEAT mode drive the indoor fan with LOW mode for approx 30 seconds Auto flap control 1 When the louver signal has been received from the remote controller the louver operates if the indoor fan is operating 2 In 4 way Air Discharge Cassette type the discharge louver automatically directs downward if the operation stops 3 In 4 way Air Discharge Cassette type the discharge louver directs upward if the heating operation is being prepared Filter sign display None in wireless type Provided in the separately laid type TCB AX21E 1 The operation time of the indoor fan is integrated and stored in memory and the filter exchange signal is sent to the remote controller to display on the remote controller LCD after the specified time 2 When the filter reset signal is received form the remote controller time of the integrated timer is cleared In this time if the specified time has passed the measured time is reset and LCD display disappears 66 QY amp display Operation and heating stand by Outline of specifications Operation standby Display on remote controller 1 P05 is one of displays of power wire missing
121. concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3kg m NOTE 1 If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged amount 10kg e g charged amount 15kg p ES P Room A Room B Room C Room D Room Ej Indoor unit For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10kg The possible amount of leaked refrigerant gas in rooms D E and F is 15kg NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door a Outdoor unit Refrigerant piping If an indoor unit is installed
122. connected to an outdoor unit If the cooling operation and the heating operation are simultaneously performed the indoor unit which executes cooling operation stops and 68 the operation section lights up On the other hand the indoor unit which executes heating operation continues running In a case that the manager of the air conditioner has fixed the operation to cooling or heating an operation other than that set up is unavailable If an operation other than that set up is executed on the operation section lights up and the operation stops MD 262 AN Characteristics of heating operation The wind is not out just after starting an operation The hot wind starts to blow 3 to 5 minutes after Time differs according to indoor outdoor tempera ture the indoor heat exchanger has warmed up During operation the outdoor unit may stop if the outside temperature rises 3 13 Adjustment of Air Direction To increase the cooling heating efficiency be sure to make proper use of the discharge CAUTION flap for cooling or heating operation Set the flap so that air blows out horizontally As the characteristics of air cool air collects at If cooling operation is performed with the flap blowing air lower levels and hot air collects at higher levels downwards the air outlet or surface of the flap will be wet with dew and dewdrop may fall down 4 way Air Discharge Cassette Type In cooling operation In heating
123. controller Unit of which address is to be returned to the initial status 2 Turn on the indoor outdoor power of which address is to be cleared After approx 1 minute check that U 1 15 displayed and then execute the following operation on the interface P C board of the header unit of which address is to be cleared in the refrigerant line Address which can be cleared After checking that A d buS is displayed on 7 degment display and then push SW04 for 5 seconds or more Line Indoor Group address After checking that A d nEt is displayed on 7 degment display and then push SW04 for 5 seconds or more Central address 3 After A d c L has been displayed 7 degment display return SW01 SW02 SW03 to 1 1 1 4 When the address clearing has correctly finished U 1 L08 is displayed on 7 degment display after a while If A d is displayed on 7 degment display there is possibility which is connected with the other refrigerant line Check again the relay connector between U1 U2 0304 terminals NOTE Be careful that the other refrigerant line address may be also cleared if clearing operation is not correctly executed 5 After clearing of the address set up an address again 101 In case of increase the address undefined indoor units Extension etc If set up the indoor address of which address is undefined accompanied with extension of indoor units replace men
124. data display in Section 9 Troubleshooting 111 8 7 Service Support Function 8 7 1 Check Function for Connecting of Refrigerant and Control Lines This function is provided to check misconnection of the refrigerant pipes and the control transmission line Wiring over lines between indoor unit and outdoor unit by using the switch on the interface P C board of the header unit However be sure to check the following items prior to execute this check function 1 This check function does not work when a group operation by remote controller is performed and it is used over outdoor units 2 When using this check system be sure to check for each 1 line in the unit of outdoor unit If checking the multiple lines at the same time misjudgment may be caused Check procedure Power ON Be sure to turn on the power at indoor side before power ON of outdoor unit System capacity check Set the rotary switch SW01 SW02 SW03 on the interface P C board of the header unit to 1 2 and 3 respectively Then the system capacity is displayed on 7 segment display A Check that this display surely matches with the expected system capacity Check No of outdoor units Set the rotary switch SW01 SW02 SW03 on the interface P C board of the header unit to 1 3 and 3 respectively Then No of outdoor units connected to the system is displayed on 7 segment display A Check that this displa
125. displayed as shown in the above right figure the power of the remote controller is not normally turned on Therefore check the following items Check power supply of indoor unit Check cabling between indoor unit and remote controller Check whether there is cutoff of cable around the indoor control P C board or not and check connection failure of connectors Check failure of transformer for the indoor microcomputer Check indoor control P C board failure 92 8 4 Address Setup After power ON set up the indoor address from the interface P C board of the header unit The address setup operation cannot be performed by power ON only 8 4 1 Cautions 1 It requires approx 5 minutes usually for 1 line to automatically set up address However in some cases it may require maximum 10 minutes 2 It is unnecessary to operate the air conditioner for address setup 3 Manual address setup is also available besides automatic setup Automatic address Setup from SW15 on the interface P C board of the header unit Manual address Setup from the weird remote controller For details refer to section 8 4 3 Address setup procedure 8 4 2 Address Setup and Check Procedure Procedure Operation and check contents Indoor unit power ON Turn on power of indoor unit in refrigerant line to which address is set up Outdoor unit power ON Turn on power of all the outdoor units in refrigerant line to which address is set up
126. error IPDU communication error 05 IPDU Fan IPDU error 06 IPDU2 Fan IPDU error 07 All IPDU error 129 Check code Wireless remote controller Main remote controller display Outdoor 7 segment display Sub code AI NET central control display Sensor block display of receiving unit Flash Operation Timer b Ready Check code name Indoor TCJ sensor error Judging device Indoor Indoor TC2 sensor error Indoor Indoor TC1 sensor error Indoor TD1 sensor error VF TD2 sensor error VF TE1 sensor error VF TL sensor error VF TO sensor error VF Indoor TA sensor error Indoor TS1 sensor error VF 01 Comp 1 side 02 Comp 2 side gt TH sensor error IPDU Outdoor temp sensor misconnecting TE TL VF Outdoor pressure sensor misconnecting Pd Ps VF Ps sensor error VF Pd sensor error VF Indoor other error Indoor Outdoor EEPROM error VF 01 Comp 1 side 02 Comp 2 side Compressor break down IPDU 01 Comp 1 side 02 Comp 2 side unmunmnnumunumumuuunumu nnunjmninmunjimnunmunmun ujo e Magnet switch error Overcurrent relay operation Compressor error lock MG SW Overcurrent relay IPDU
127. for the outdoor unit with trouble 1 Using a charge hose connect the check joint of the liquid pipe and the check joint at low pressure side and then purge the air in the hose To recover refrigerant in the heat exchanger and the liquid tank 2 Close fully the service valve of the liquid pipe of the outdoor unit with trouble Keep service valve of the gas pipe and the balance pipe opened 3 If itis considered that the oil has deteriorated due to trouble of the compressor take off SV3A valve connector of the outdoor unit with trouble so that the deteriorated oil does not flow in the other outdoor units 4 Set the rotary SW01 02 03 to 2 11 1 on the interface P C board of the troubled outdoor unit and then push SW04 for 5 seconds or more after rd have been displayed on 7 segment display section 5 rd FF have been displayed on 7 segment display and then a pump down operation starts When interrupting the operation turn off the power supplies of all the outdoor units or push SW05 on the interface P C board Header unit with trouble 1 Connected with check joint of the liquid pipe and check joint at low pressure side by a charge hose and purge 3 If oil deteriorates due to trouble of the compressor remove SV3A connector 2 Close fully service valve at liquid side Keep gas and balance side opened o Trouble outdoor interface P C board i
128. gas or condensate liquid refrigerant Evaporative gas refrigerant Low pressure gas NOTE An outdoor unit which is connected with indoor outdoor communication lines is the Header unit and the other unit is called Follower unit Example 20HP system 62 5 5 Recovery of Refrigerant in Failed Outdoor Unit In Case of Failure of Follower Unit Header unit Follower unit MMY MAP1001H MMY MAP1001H 4 Way valve NS Ps sensor 3 1 Packed valve of balance pipe Open fully 2 Packed valve at liquid side Close fully 3 Service valve open fully at gas side Close fully 10 minutes after operation start V7 x1 INN S Balance pipe 1 T3 1 Liquid pipe Gas pipe Gas pipe Liquid pipe Z A 7 A Indoor unit High pressure gas or condensate liquid refrigerant Evaporative gas refrigerant Low pressure gas NOTE An outdoor unit which is connected with indoor outdoor communication lines is the Header unit and the other unit is called Follower unit Example 20HP system 63 6 CONTROL OUTLINE 6 1 Indoor Unit 6 1 1 Control Specifications Power supply is reset Outline of specifications 1 Distinction of outdoor unit When the power supply is reset the outdoor units are distinguished and control is exchanged according to the distinctive results 2 Check code clear
129. in each partitioned room and the refrigerant tubing is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Indoor unit 7 Refrigerant piping Outdoor unit Indoor unit Small Medium room room Large room Mechanical ventilation device Gas leak detector NOTE The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high Range below the density limit of 0 3 kg m3 countermeasures not needed 3 N w a Range above the density limit of 0 3 kg m countermeasures needed Min indoor floor area 10 20 30 Total amount of refrigerant kg A direct current motor is adopted for indoor fan motor in the Concealed Duct Standard Type air conditioner Caused from its characteristics a current limit works on the direct current motor When replacing the high performance filter or when opening the service board be sure to stop the fan If an above action is executed during the fan operation the protective control works to stop the unit operation and the check code 12 may be issued However it is not a trouble When the desired operation
130. in follower unit in which compressor did not operate In heating While the system is operating in HEAT mode outdoor PMV of which opening degree was 100p or less for a certain time Check full close operation of outdoor PMV 1 2 Check Pd and Ps sensor error Check clogging of SV2 circuit Check clogging of balance pipe Check clogging of SV3B circuit Check outdoor board error Check capillary clogging of oil return circuit from oil separator Check leakage of check valve of the main discharge pipe 01 TS condition Gas leak detection TS1 condition All stop Suction temp exceeded the judgment standard temp for 10 minutes or more TS error judgment standard temperature gt In cooling operation 60 C or higher In heating operation 40 C or higher Check refrigerant shortage Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging 1 2 Check characteristics of TS1 sensor resistance value Check 4 way valve error Check leakage of SV4 circuit 02 TD condition Gas leak detection TD condition All stop Discharge temperature TD1 or TD2 was continuously 108 C or higher for 10 minutes Check refrigerant shortage Check outdoor PMV clogging 1 2 Check characteristics of TD1 TD2 sensor resistance value Check indoor air filter clogging Check pipe clogging Check SVA circuit Valv
131. indoor unit operates and also starts swinging in a model with flap 2 Every pushing the indoor unit Nos in the group control are displayed successively 2 Specify the indoor unit No to be exchanged The fan of the selected indoor unit operates and also starts swinging in a model with flap 3 Using temperature setup 4 vw buttons the item code DN can be moved up down one by one 3 4 First change the item code DN from Z amp Setup of filter sign lighting time In this time make a note of contents of the displayed setup data 5 In the next time change the item code DN using J vw J buttons Make a note of contents of the setup data as same as the above 6 Then repeat item 5 and make a note of contents of the important setup data as indicated in the attached table Example The item code DN is consisted with 27 to AA Contents DN No may jump on the way Type Item code necessary at minimum Type and capacity of Indoor unit capacity the indoor unit are Line address necessary to set up the revolution frequency of the fan 7 When noting has finished push ZZ button to return to the normal stop status 6 It requires approx 1 minute to operate the remote controller Indoor address Group address lt Remote controller operation diagram gt 6 Eur gt 3
132. left figure goes on FlelB J 7 Header requests equalization fc C in the left figure goes on me Follower requests oil equalization P 03 04 Outdoor unit number Refrigerant oil recovery operation During sending of cooling refrigerant oil recovery signal C1 Normal time C During sending of heating refrigerant oil recovery signal H1 Normal time H Automatic address Ad Automatic addressing FF Normal time Demand operation dU Normal time In 50 to 90 50 to 90 When controlling by communication line input E50 to E90 Optional control P C board input Displays optioned control status A Operation mode selection In heating with priority Normal h Priority on cooling Heating only H Cooling only C Priority on No of operating indoor units n Priority on specific indoor unit U Batch start stop Normal Start input 1 Stop input 0 Night low noise operation Normal Operation input Snow fan operation Normal Operation input Option control BUS line input Same as above Unused mark Indicates none on display 206 2 Data display of outdoor unit information Displayed on each outdoor unit Display contents Error data Displays outd
133. of central control in a single refrigerant line In case of central control over refrigerant lines Address setup procedure To procedure 1 To procedure 2 Cable systematic diagram Outdoor Central control Outdoor Central control Outdoor Central control remote controller remote controller remote controller Indoor Indoor Remote Remote Remote Remote Remote Remote controller controller controller controller controller controller Header unit interface P C board Address setup procedure 1 1 Turn on power of indoor outdoor units In order of indoor Outdoor 2 After approx 1 minute check that U 1 108 U 1 flash is displayed in 7 segment display section on the interface D600 D601 D602 D603 D604 P C board of the header unit SW01 SW02 SW03 3 Push SW15 and start setup the automatic address i NA 10 minutes for 1 line Usually approx 5 minutes 4 When the count Auto 1 Auto 2 Auto is dis played in 7 segment display section and it changes from 1 1 flash to U 1 U 1 light the setup finished a 5 When perform a central control connect a relay 5 lt connector between 01 02 and 03 04 terminals in 66 65 69 69 65 65 s the heade
134. on the sensor P C board from OFF to ON Mount the sensor cover and attach the adjust corner cap with sensors to the ceiling panel Turn on power of the air conditioner 3 Push _ button of the wireless remote controller and select an operation mode COOL _ button All the display lamps of the wireless remote controller sensor section flash during the test operation Do not use operation mode other than COOL or HEAT Error is detected as usual S003 Bit 1 OFF gt ON Z when the test operation has finished push button to stop the operation 5 Turn off power of the air conditioner Change Bit 1 of the switch 8003 on the sensor P C board from ON to OFF Attach the adjust corner cap with Adjust corner cap sensors to the ceiling panel Sensor cover Test operation from outdoor unit Refer to 8 7 2 Function of Start Stop the Indoor Unit from Outdoor Unit in 8 7 Service Support Function NOTE The test operation returns to the normal operation after 60 minutes have passed 108 In case of wireless remote controller Procedure Description Turn on power of the air conditioner The operation is not accepted for 5 minutes when power has been turned on at first time after installa tion and 1 minute when power has been turned on at the next time and after After the specified time has passed perform a test operation Push Start Stop button and chang
135. or position with trouble of the air conditioner can be found as shown in the table below Check code list The following list shows each check code Find the check contents from the list according to part to be checked In case of check from indoor remote controller See Main remote controller display in the list In case of check from outdoor unit See Outdoor 7 segment display in the list n case of check from AI NET central control remote controller See central control display in the list In case of check from indoor unit with wireless remote controller See Sensor block display of receiving unit in the list IPDU Intelligent Power Drive Unit O Lighting 2 Flashing Goes off ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Wireless remote controller Sensor block display AI NET central of receiving unit Check code name control display Operation Timer Ready Flash Main remote Outdoor 7 segment display controller display Sub code Judging device Communication error between indoor and remote controller Detected at remote controller side Remote controller e e Remote nding error of rem ntroller Sending error of remote controlle controller Communication error between indoor and remote controller Detected at indoor side indoor Communication circuit error between in
136. outdoor IF P C board for service the d07 AI NET model selecting jumper has not been set up so as to match with the model P C board A ssy service for the outdoor unit is common to this series A setup for model selection different from that for P C board with trouble is necessary Set up a model based upon the P C board A ssy exchange procedure Check code name code name Check code name Cause of operation L20 98 Duplicated central Central control addresses are duplicated d07 AI NET control addresses YES Correct the network address of the central control system Are not two or more central control system identical network addresses connected Check the network adaptor on the indoor P C board Check code name Check code name Cause of operation L28 46 Quantity over of 1 Quantity over of connected outdoor units 407 AI NET connected outdoor units 2 Connection error of communication line between outdoor units 3 Outdoor I F P C board error Max 4 outdoor units are connectable for one system Is the number of the connected outdoor units 4 or less YES Correct connection of the communication line Is the communication line between outdoor units correctly connected YES Check P C board 185 Check code name Check code name Cause of operation L29 CF IPDU quantity error Incorrect model setup in service for I F P C d07
137. outdoor units or unconnected cable Fig 4 Address setup operation has finished without recognition of miswired follower unit Miswiring of communication line between indoor units or unconnected cable Fig 5 Address setup operation has finished without recognition of miswired indoor unit Remote controller is not connected with cable Miscabling of remote controller After modification of wiring set up address again and check No of the connected outdoor units Number of connected indoor units is short After modification of wiring set up address again and check No of the connected indoor units Number of outdoor units connected to group is short in group operation from remote controller Using the main remote controller connected to a group start a test operation specify the unit which does not operate Unit unconnected to group and then check cabling Remote controller communication circuit error If 230V is incorrectly applied to the remote controller terminal the remote controller communication circuit fails Using the main remote controller connected to a group start a test operation specify the unit which does not operate Unit unconnected to group Remove Fasten receptacle connected to remote controller terminals A B and check the voltage If voltage is not applied replace P C board 15 to18V in normal time 105 Miswiring example gt Fig 1 Remote controller stat
138. output Electrolytic condenser 5 NT SIDE 3 1 DC330V output For Comp IPDU CN500 DC330V output for fan IPDU Judgemant DC 180 370 226 10 2 1 Outdoor Interface P C Board Dip switch function exchange setup list Initial setup Part type Exchange contents at shipment Rotary SW 4bit 16 step Display Operation switch 1 For 7 segment display service operation Rotary SW 4bit 16 step Display Operation switch 2 For 7 segment display service operation For service Stop End Stop End by pushing Bit 1 Backup setup Based on the following setup Bit2 OFF No 1 COMP backup OFF N OFF N N FF O No 2 COMP backup Demand control exchange OFF 0 100 ON Middle 100 O Extended control demand function For 4 steps exchange OFF For clean converter OFF Normal unconnected Connected OFF Bit 4 OFF m Header unit Bit 1 Outdoor address setup exchange OFF Auto setup Normal ON Manual setup OFF Bit 2 Judge indoor capacity over OFF YES Normal ON NO OFF OFF Normal ON Size UP O For outdoor expansion SW 4bit Bit 3 Correction of installed pipe size Follower unit FF OFF Bit 1 OFF Bit 2 OFF Bit 3 OFF PE OFF Outdoor unit No U 2 to 4 Bit 4 Display of start priority No ON Outdoor start order No Y
139. pio xioooL 3 VALVE CHECKED iz 81 or 82 5 6HP peers Mes CHECKED 8 X500 L 77 8 iD 1 2 72781012 OTL 76 X 1000 L X 1000 L LIQUID STRAINER m 34 or 36 5 6HP TANK OIL ZN LINE S STAANER LOW PRESSURE p E SV3D 5 SENSOR PACKED JONT 44 or 45 5 6HP 33 51 10 10 lan lan ID 2 0 ID 2 0 33 X 1000 L 7 ACCUMULATOR 5 OIL BALANCE 49 LINE FUSIBLE A VALVE STRAINER 38 1 PACKED 80 52 VALVE CHECKED 37 32 or 35 5 6 46 or 47 5 6HP SV3B X GUS LINE SV3A 29 5 VALVE SERVICE STRAINER VALVE CHECKED 27 5 6HP VALVE BALL LLHLOZLdVIN LLHLOOLdVIN LHLOSOd VIN ZLHLO90d VIN ZLHEOSOd VIA AINTN 06 AN 717 A709 A713 A 708 A719 AN 707 A 704 ZLHLOZ Ld VW LLHLOOLdVIN LHLOSOd VIN ZLHLO90d VIN ZLHEOSOd VIA AININ Location Part No Description Model Name MMY No MAP1201HT7IMAP1001HT7IMAP0801HT7IMAP0601HT7IMAP0501HT7 36746547 VALVE CHECH 43019904 HOLDER SENSOR 43041781 COMPRESSOR DA421A3FB 23M 43041782 COMPRESSOR DA351A3FB 23M 43046391 VALVE PACKED 9 52 43046393 VALVE PACKED 12 7 43047401 BONNET 3 8 IN 43047527 TUBE CAPILLARY ID 2 0x200L 43063332 HOLDER SENSOR 43049683 BAND 43050407 THERMOSTAT BIMETAL 43063317 HOLDER THERMOSTAT 43100265 CABINET UP 43119466 GUARD FAN 4311M423 MARK TOSHIBA 43120219 FAN PROPELLER 43121705 MOTOR FAN D
140. screws M4 x 16 2 pcs 3 Take off cables 4 Remove PC board from the card edge spacer at the corners Heat sink fixing screw compressor lead cables U V W etc M4 screw tightening torque 1 47 0 1Nem lt Exchange of service P C board gt For the IPDU PC board it is necessary to set up jumper line etc for each model Refer to Exchange procedure of IPDU P C board 4 IPDU PC board for fan 1 Stop operation and then turn off switch of the breaker 2 Take off cables 3 Take off the heat sink Radiator plate fixing screws M3 x 14 4 pcs Tightening torque of screw for heat sink fixing board 0 55 0 1Nem 253 Part to be exchanged Inverter assembly Removal of P C board and electric parts 5 Reactor 6 Transformer 7 Electrolytic condenser Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc 1 Stop operation and then turn off switch of the breaker 2 Take off screws 3 positions of the terminal block installation board 3 Take off the fixing screws of each part and then remove the cables 7 Cautions when removing the electro lytic condenser 1 As the natural discharge by the electro lytic condenser may be unavailable and voltage may remain in some cases due to trouble conditions be sure to perform discharge of the condenser Using resistance for discharge 100
141. sensor TE 20 C to 80 C Ambient temp range Outside temp sensor TO 20 C to 80 Ambient temp range Oil temp sensor TK 30 to 135 C Ambient temp range Liquid temp sensor TL 20 C to 80 C Ambient temp range Smoothing condenser For fan 400LRSN1000M 1000uF 400V Magnet SW FC 2S 400V 38A Thermistor ZPROYCE101A500 1000 13A 500V 31 ce NC NO JO TE sensor C W D SVSE valve D TO sensor S JX s YO SV41 valve 5552 _ eee e 2 TS sensor SoD Is SV3C valve FN E TIE E valve CE gt D im 4 pressure 5450 1 in Y I E SV42 valve FT High pressur Pulse Motor SV5
142. switch SW05 on the interface P C board of the header unit for 2 seconds or more After test operation return the rotary switches SW01 SW02 SWO3 on the interface P C board of the header unit to 1 1 1 respectively 116 If an error is already displayed under condition of SW01 1 SW02 1 SW03 1 return the status to normal one according to troubleshooting and then execute a test operation The unit which is not given with priority by heating priority control cooling priority control and selection of cooling or heating mode is not operated In this case or is displayed on the remote controller Operation check If the discharge temperature does not change though COOL or HEAT has been set up from the remote controller misconnection is considered Individual start stop ON OFF individual test operation function This function is provided to start stop ON OFF individually each indoor unit connected to the same system by using switches on the interface board of the header unit Set SW01 16 and set SW02 SW03 to indoor address No 1 to 64 to be started Refer to the following table only the setup indoor unit starts operation In the rotary switches of the indoor unit which operates in a group by the remote controller the follower unit cannot be individually started or stopped In this case is displayed 7 segment display B on the interface P C board of the hea
143. sy 5 WHO 27S 475X6 BLU 17213475 WHI V ar O O PY RY302 CN104 LH OO 313 ry Motor drive 4 ione circuit EH GRY b4 CN101 4 Fuse Elise Indoor control P C board BLK 163 MCC 1402 RED pwn d OND Power 9DC20V BRN CN67P YY 4 gt supply oDC15V LO 4 1 circuit WHI KV AMA Sg gt P301 CN80 99 GRN Flow selector unit earth p screw cNee 1 CN73 WHI 27 RED I eRED pA oWHI CN44 CN50 CN32 CN61 CN60 CN81 CN40 CN41 CN309 CN20 CN70 Indoor unit Closed end BLN 2 WHI WHI YEL WHI BLK BLU BLU YEL BLU WHI WENN connector I lt KY Earth screw 1 01 Fandrive Option 122 GX 13 1 XS Power supply 33 X EE EE AS 5 220 60Hz RM Color identification RED BLK BLACK WHI WHITE GRY GRAY YEL YELLOW PNK PINK BLU BLUE ORN ORANGE BROWN GRN GREEN Parts name Fan motor Indoor temp sensor Temp sensor Temp sensor Temp sensor Lover motor Drain pump motor Float switch Drain control relay Pulse Motor Valve 1 EM 100 Outdoor unit
144. system For multiple outdoor unit system execute pump down by using the normal outdoor units and refrigerant can be recovered from the outdoor unit to be repaired 13 1 1 Before Refrigerant Recovery Operation Pay attention to the following items during pump down operation Note 1 The refrigerant recovery rate changes with the outside temperature etc in the pump down operation When the pump down operation has finished be sure to recover the remaining gas using a recovery device and measure the recovered refrigerant amount Executing pump down operation when pump down operation is operated with heating accumulator of the outdoor unit to be repaired improves refrigerant recovery rate Note 2 After this work the system cannot operate until the defective outdoor unit has been repaired As the operation becomes refrigerant overcharge operation a continuous operation is unavailable Note 3 While both outdoor pulse motor valves are closed cannot open the valves the refrigerant in the heat exchanger cannot be recovered If executing welding after pump down operation recover the refrigerant in the heat ex changer before work 13 1 2 Refrigerant Recovery Procedure In case of no backup operation for outdoor unit Work procedure Turn on the power supply of the system and stop status of system operation If a trouble is an insulation error of the compressor remove wiring to the compressor before turning on the power supply Setup
145. terminal removed Set up at shipment from the factory Is the communication line between outdoor and indoor units connected to U5 U6 terminal Is the terminal resistance SW30 2 on the interface P C board of the header unit turned on Set up at shipment from the factory Is the end terminal of the shield cable grounded NOTE The above figure does not show all the electric cables For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional devices 88 2 In case that a central control system is connected Before address setup Central control units i 2 5 3 Other refrigerant line u Header unit A Follower unit B Follower unit C Outdoor unit To indoor unit 3 phase 380 415V Leak interception 8 Main switch Indoor unit V 1 phase 230V Leak interception Main switch Remote Remote Remote controller controller controller Main check items Are indoor and outdoor communication lines of the header unit connected to U1 U2 terminals ls the relay connector between U1 U2 terminal and U3 U4 terminal removed Set up at shipment from the factory Before address setup remove the relay connector Is the communication line between outdoor and indoor units connected to U5 U6 terminal Is the communication line of the central control system connected to the header unit
146. the remote controller to change direction of the horizontal flap The horizontal flap does not stop even if pushing the horizontal flap Adjusting the stop position push the switch 2 way Air Discharge Cassette Type In cooling operation Heating operation Use the air outlet flap with horizontal set point Use the air outlet flap with downward set point Setup of air direction and swinging CM CONTROLLER during operation 3 Auto flap button C UNIT is displayed and the air direction is auto Push CUNIT to set up the air direction matically exchanged upward downward When a remote controller operates the multiple indoor units an indoor unit is selected and air direction can be individually set up individually in each indoor unit Then the indoor unit No in a group control is displayed For the displayed indoor unit set up the air direction If the unit No is not displayed all the indoor 2 Push _ again during swinging of the units are operated at the same time flap e Every pushing UNIT J the display is ex You can stop the flap at the desired position changed as follows Unit Anf No No p 1 1 iq Unit No _ Unit No 14 1 3 43 1 way Air Discharge Cassette Compact Type Up Down air direction adjustment gt In cooling operation In heating operati
147. the winding resistance between phases are 13 to 330 Use a precise digital tester Part name Procedure Outdoor fan motor Measure resistance of each winding with a tester Red U 13 330 13 330 13 330 Normal temp 264 17 2 4 How to Check Fan Power Supply P C Board and Fan IPDU The fan power supply P C board supplies DC power It supplies DC280V for the fan IPDU and DC12V and DC7V for the control power supply respectively If the control power is not supplied a communication error Error code E31 is out 1 How to check fan power supply P C board MCC 1439 As shown in the following table measure the voltage of the check positions with a digital tester Check item Check position Criteria DC280V output Between CN500 and DC260 to DC340V Between CN500 6 DC12V Between CN500 2 6 DC7V Control power voltage 2 How to check fan IPDU 1 Check that the lead wires are correctly inserted into 250 fasten terminal of DC280V input and into the communication connector CNO1 2 After then replace the fan IPDU if an abnormality is recognized lt MCC 1439 Front View CN503 F500 10A 250V CN505 RED CN504BLUUART 2 1 Oxo c501 RY500 1501 8503 d w F501 1 6 250V 0
148. time F 0 Mode 31 F 3 1 Release signal U SW03 setup number 1 number Outdoor unit number U2 to U4 Normal time r Release received r 1 Oil level judgment U SW03 setup number 1 number Outdoor unit number U2 to U4 Normal time NOTE The follower unit is setup by changing SW03 SW03 1 2 3 7 segment display A U2 U3 U4 208 5 Data display of indoor unit information Displayed on the header unit only Display contents Receiving status of Receiving time indoor BUS communication Indoor check code check code Indoor capacity 0 2 0 5 0 8 1 1 2 1 7 HP horse power 6 8 10 16 20 Indoor request command Data is displayed with Hexadecimal notation S code Indoor PMV opening data Data is displayed with Hexadecimal notation Indoor TA sensor data Data is displayed with Hexadecimal notation Indoor TF sensor data Data is displayed with Hexadecimal notation Indoor TCJ sensor data Data is displayed with Hexadecimal notation Indoor TC1 sensor data Data is displayed with Hexadecimal notation Indoor TC2 sensor data Data is displayed with Hexadecimal notation Indoor address 7 segment display A 1 to 16 SW02 setup number 01 to 16 1 to 16 SW02 setup number 16 17 to 32 1 to 16 SW02 setup number 32 33 to 48 6 Outdo
149. to set the air speed to High 109 2 Test operation START gt YES Operation start YES Is cold air or hot air discharged YES Is air circulation good YES Test operation for all units in turn Operate all the indoor units at once NOTE 1 Is the temperature difference Test operation for one indoor unit Refer to Test operation procedure of indoor remote controller The operation does not start approx 3 minutes after power ON or operation stop NOTE After power ON it may require Max 10 minutes to start the operation due to the initial communication of the system Check operation status of the compressor Check direction of the flap Execute a test operation using Function of start stop the indoor unit from outdoor unit in Service support function between suction and discharge good z O YES Is the operating voltage correct NO Rated voltage 10 YES NOTE 2 Is the operating current normal YES NOTE 3 NO Is the operating pressure normal YES Normal Check power voltage of the main power supply Check cable size of the power supply Check temperature load in indoor outdoor Check pipe length and refrigerant amount Check operating Hz of compressor Check abnormal sound in outdoor unit Abnormal sound etc of compressor and others 110 NOTE 1 Cri
150. were raised Criterion TK1 TK2 Td1 Td2 temperature Approx 10 to 30 C Oil equalization capillary tubes should be higher sufficiently than outside air temperature and suction temperature f temperature is low a malfunction of capillary strainer or check valve is considered Repair the defective parts High pressure sensor Check joint Solenoid valve High pressure SW Balance pipe Packed valve 177 Check code name Check code name Cause of operation H08 d4 Oil level detective TK1 to TK4 sensor Open Short d07 AI NET temperature sensor error Sub code 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error M The detected error is an oil level detective temperature sensor error Check disconnection of the wiring and resistance value of the sensor If the sensors are normal replace the outdoor P C board Circuit Connector TK1 CN514 Black TK2 CN515 Green TK3 CN516 Red TK4 CN523 Yellow Check code name Check code name Cause of operation H16 d7 TK1 temperature detective circuit error 1 Coming off of TK1 sensor miscabling d07 AI NET Sub code 01 characteristics error of resistance value Oil equalization circuit error Check valve capillary clogging strainer clogging Refrigerant stagnation in case of compressor shell YES Correct installation of sensor Is not
151. 0 Is output of indoor fan motor position NO detective signal correct 3 YES 3 Check fan motor position detective signal Measure voltage with tester between CN334 1 and 5 on indoor P C board MCC 1402 under condition of CN333 and CN334 installed power ON Turn fan slowly with hands so that pin voltage fluctuates between 0 5V Between 4 and 5 5V Replace indoor fan motor Check indoor P C board MCC 1402 Failure Replace 193 Check code name Check code name Cause of operation 13 47 Outdoor liquid back detection error 1 PMV1 PMV2 error 007 AI NET Pd sensor Ps sensor error Clogging of SV2 circuit Clogging of SV3B circuit balance pipe Leakage of main discharge pipe Outdoor P C board error Are connections of outdoor NO Correct connector connection PMV1 PMV2 connectors correct CN300 CN301 YES NO Are operations of outdoor YES Are characteristics of Pd sensor Ps sensor NO output voltage normal Pd sensor Ps sensor error YES Is SV2 valve coil correctly connected Correct connector connection y 2 CN302 5 Open fully balance pipe service valves of all units Are balance pipe service valves of all units fully opened YES YES Is there no clogging of SV3B valve Replace clogging parts NO Is there no clogging of SV3B valve of YES parts a unit other than unit with er
152. 0 40W or equivalent or plug of the soldering iron make continuity and discharge between and poles This electrolytic condenser has a large capacity Therefore it is dangerous to make discharge by shortening between and poles because big sparks generate 254 Remarks Reactor transformer and electrolytic condenser are stored at the rear side of the terminal block Terminal block installation board 7 Electrolytic condenser Part to be exchanged Work procedure Pressure sensor posi tions of 2 way SV3C SV3A SV3D SV3B valve coil 7 a 1 Te 6 6 Temperature Front side of air conditioner sensor posi tions and identification 1151 5 50 255 Part to be Work procedure exchanged Temperature Rear side of air conditioner sensor positions and identification Accumulator EE IT sensorn Black Accumulator Side 65275188 Attachment In this air conditioner segmentation system eyeglass detachment of rubber and SUS fix band are adopted for fixing the vibration pipe fixing rubber system as one measures to improve the reliability Used positions of SUS fixing band Total 5 positions MAP1201H 1001H 0801H 28 0 lt gt 025 4 MAPO60 Hm0501 Ha 8 One 191057 P 015 88 between between SESE Ve valve and Suction pi
153. 000 Possible 4 way Air Discharge Cassette MMU AP H 2 way Air Discharge Cassette MMU AP WH 1 way Air Discharge Cassette Compact type MMU AP Concealed Duct Standard MMD AP Concealed Duct High Static Pressure MMD AP Under Ceiling MMC AP H High Wall MMK AP Floor Standing Cabinet MML AP Floor Standing Concealed MML AP BH Floor Standing 8 10HP MMF AP H Floor Standing Below 6HP MMF AP H Indoor unit capacity Item code 11 Invalid 0071 type 0481 type 0561 type 0091 type Setup data 0121 type 0721 type 0151 type 0961 type 0181 type 0241 type 0271 type 0301 type The initial setup value of EEPROM installed on the service P C board 263 17 2 Outdoor Unit 17 2 1 Cautions in Service for Compressor 1 When checking the inverter output remove the both wires of the compressor as follows 17 2 2 How to Check Inverter Output 1 Turn off the power supply 2 Remove the compressor lead from the compressor Be sure to remove lead wires of both compressors 3 Turn on the power supply and drive the air conditioner in cool or heat mode In this case be careful so that a fasten terminal of the compressor lead does not come to contact with other fasten terminal or you don t touch other part
154. 0298 SENSOR TA 43158187 43160478 TRANSFORMER TERMINAL BLOCK 43160509 TERMINAL 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY i k 80 MMY MAP0501HT8 MAP0601HT8 MAP0801HT8 MAP1001HT8 MAP1201HT8 25 N Mm LES 16 93 65 or 67 66 or 64 5 6HP 5 6HP 95 92 us rd Li Nea We 5 or 4 5 6HP 69A SVSB 44 or 45 5 6HP 81 c8 56 58 63 47 28 5 p 33 28 SV3D 33 28 SV3C 55 58 63 28 5 6HP 33 28 SV2 52 1 12 60 X 28 SV3B Y x e o X 9 49 9 61 2 o 4F le 9 50 63 58 f 56 2 B 57 59 63 o o a 53 SV41 37 28 e 8 5 5 IQ toc 28 37 SV42 30 if 68 4 or 5 62 13 40 34 31 30 320 35
155. 1 MO C 5 C 10 C Q1 0 14 C 2 In cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors When zone is detected for 45 minutes the command frequency becomes 50 to the outdoor unit In zone the timer count is interrupted and held When shifting to zone again the timer count restarts and continues If L zone is detected the timer is cleared and the operation returns to normal operation Reset conditions 1 TC1 gt 12 and TC2 gt 12 and gt 12 2 20 minutes passed after stop C P2 65 In a Model without TC2 TC2 is not judged Recovery control for cooling refrigerant and oil Outline of specifications The indoor unit which stops operation thermostat is OFF or operates in FAN mode opens PMV of the indoor unit by the specified opening degree when cooling refrigerant or oil recovery signal is received from the outdoor unit Remarks Recovery operation is usually executed every 2 hours Recovery control for heating refrigerant and oil The indoor unit which stops operation thermostat is OFF or operates in FAN mode performs the following controls when the heating refrigerant Oil recovery signal is received from the outdoor unit 1 Opens PMV of the indoor unit by the specified opening degree 2 Stops the fan 3 Only 4 way Air Discharge Cassette type air c
156. 10 YES Correct power line Correct refrigerant stagnation in compressor shell Compressor error 15 compressor normal 2 YES Check IPDU board 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation or starting 2 Abnormal overheat of case during operation or stop time Never touch with hands 3 Current of compressor lead during operation or starting time No varied change of current change 8 If OCR operates even after manual reset of OCR check whether the wiring to the current sensor TO2 of Comp IPDU is correct or not 171 Check code name Check code name Cause of operation H03 17 Current detective circuit system error 1 Cabling or connector connection error on d07 AI NET IPDU P C board 2 IPDU board error Sub code 01 Compressor 1 side 02 Compressor 2 side a sei Correct connector connection or cabling Check IPDU board 172 Check code name Check code name Cause of operation Case thermo circuit error I F P C board error Service valve closed Outdoor PMV clogging SV4 valve leak Coil misinstallation 4 way valve error Compressor error Refrigerant shortage H04 44 Compressor 1 case thermo operation 907 AI NET H14 44 Compressor 2 case thermo operation d07 AI NET OO Is case th
157. 187 43160478 TRANSFORMER TERMINAL BLOCK 43160548 TERMINAL 6P 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 21 250 Wa 9 209 210 9 234 232 lg HSLtcOdV HSI8LOdV MMU AP00151SH AP0181SH AP0241SH 223 224 221 222 23 Hae T 1 a H ae ge Fez ay lo Futz AA 407 408 A 405 HSLtcOdV HSI8LOdV HSISL00dV NINN Location m Model Name MMU No PartNo Description AP00151SHIAP00181SHIAP00241SH FAN CASE DOWN 4 43126128 CASE UPPER 43151276 SWICH FLOAT 43155196 CAPACITOR 43121562 MOTOR FAN 43146555 MOTOR PMV 43146646 STRAINER 43120172 FAN S 43125141 SHAFT 43125143 SHAFT 43172127 DRAIN PAN ASSY 43172128 DRAIN PAN ASSY 43172179 SUB DRAIN PAN 4314J242 EVAPORATOR ASSY 4314J243 EVAPORATOR ASSY 43147703 DISTRIBUTOR ASSY 43147704 DISTRIBUTOR ASSY 43179117 BAND HOSE 43125131 BEARING SHAFT 43125155 COUPLING 43194084 NUT FLARE 43047545 NUT FLARE 1 4 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 43194080 SOCKET 43194079 SOCKET 43139098 ROD CONNECTION 43070146 HOSE DRAIN 43109339 GRILLE 43183017
158. 2 267 17 2 7 Notice for Wiring Wiring for service shall be done according to the wiring diagram Special caution is needed for reactor which has different connecting points on COMP IPDU1 and COMP IPDU2 COMP IPDU 1 COMP IPDU No 2 TO REACTOR 2 CN20 REACTOR 1 CN08 REACTOR 2 CN21 REACTOR 1 CN07 REACTOR 2 P C board interface The electrolytic capacitors in this panel are charged to 660 volts D C Before servicing turn off the power supply and allow the capacitor to discharge for at least 10 minutes Purpose Discharge the capacitor Discharge to a safe level 10 volts D C or LESS Test with a D C Voltmeter as shown CN15 Comp IPDU No 1 amp No 2 COMP IPDU No 1 and COMP IPDU No 2 have the same electric potential but both voltages shall be measured Never discharge the capacitor terminals with any metal implement Personal injury or equipment damage may result 268 Inverter Assembly Configuration Fan IPDU Magnet SW Power supply P C board for fan BUS terminal block IPDU1 IPDU2 Noise filter Interface P C board Power supply terminal block Over current relay 269 TOSHIBA FILE NO A03 010 SERVICE PARTS LIST SUPER MODULAR MULT SYSTEM Indoor Unit lt 4 way Air Discharge Cassette Type gt MMU AP0091H 0121 0151 MMU AP0181H 0241 0271 MMU AP0301H AP0361H AP0481H HFC Outdoor Unit Heat Pump Model
159. 2 Fan IPDU error 07 All IPDU error No of IPDU error Detected indoor address Auxiliary interlock in indoor unit Indoor IC error VF Check code Wireless remote controller E Sensor block display Main remote Outdoor 7 segment display AI NET central of receiving unit Check code name controller control display display Auxiliary code Judging device Operan Timer Ready Flash Indoor fan motor error Indoor Discharge temp TD1 error VF 01 Comp 1 side 02 Comp 2 side High pressure SW detection error IPDU 01 Phase missing detection 02 Phase order error Phase missing detection Phase order error VF IPDU 01 Comp 1 side Heat sink overheat error VE 02 Comp 2 side Detected indoor address Indoor overflow error Indoor Indoor fan motor error Indoor Outdoor liquid back detection error VF 01 TS condition 02 TD condition Gas leak detection VF Discharge temp TD2 error VF Detected outdoor unit number 4 way valve inverse error VF e a ajajaja High pressure protective operation VF 0 IGBT short 1 Fan motor position detective circuit error Fan motor trouble C TH sensor temp error Heat sink overheat D TH sensor error E Vdc output error Outdoor fan IPDU error 01 Comp 1 side 0
160. 2 Comp 2 side G TR short protection error IPDU 01 Comp 1 side 02 Comp 2 side Comp position detective circuit system error IPDU e Other indoor unit error Group follower unit error Indoor By alarm device Error in indoor group AI NET communication system error Duplicated network adaptors AI NET Error detected by TCC LINK central control device Check code Wireless remote controller Sensor block display Central control Outdoor 7 segment display ALNET central of receiving unit Check code name device control display indication Auxiliary code Judging device Timer Ready Flash Sending error in TCC LINK central control device TCC LINK Receiving error in TCC LINK central control device TCC LINK Batch alarm of general purpose equipment HA control interface control interface VF Differs according to error contents of unit with occurrence of alarm Group control follower unit error TCC LINK L20 is displayed Duplicated central control addresses 131 New check code 1 Difference between the TCC LINK and AI NET check code The displaying method of the check code changes in this model and after AI NET check code TCC Link Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Characteristics of code Few classification of communicati
161. 20 25A 1200V MCC 1502 P C board Pipe temp sensor TD 30 to 135 C Ambient temp range Pipe temp sensor TS 20 C to 80 Ambient temp range Line filter AC Heat exchanger temp sensor TE 20 C to 80 C Ambient temp range Outside temp sensor TO 20 C to 80 C Ambient temp range Oil temp sensor TK 30 to 135 C Ambient temp range Liquid temp sensor TL 20 C to 80 C Ambient temp range Smoothing condenser For fan 400LRSN1000M 1000uF 400V Magnet SW FC 2S 400V 38A Thermistor ZPROYCE101A500 1000 13A 500V Heat Pump Model Power supply terminal block JXO 3004 AC600V 30A 4P Communication line terminal block JXO B2H DC42V 6P Reactor CH 44 1 45mH 25A Smoothing condenser 400LRSN 1500M 1500uF 400V For compressor Power supply transformer TT 01 03T AC230V 350mA P C board Noise filter 1366 240 481005 0 48mH 30A 1366 board FKX 220NK 6310US 0 63mH 25A 1366 P C board P C board IPDU 4T62DA1E 6 2kW MCC 1502 P C board Power supply board 1439 board IPDU for fan IPDU 2D16DA1 800W 896 MCC 897 Power complex module 6MBR25UA120 25A 1200V MCC 1502 P C board Pipe temp sensor TD 30 to 135 C Ambient temp range Pipe temp sensor TS 20 C to 80 C Ambient temp range Line filter AC Heat exchanger temp
162. 21A3FB 22M Output 3 7kW x 2 4 way valve coil VHV AC200V 50 60Hz AC200V 50 60Hz Pulse motor valve coil HAM MD12TF 3 DC12V 2 way valve coil VPV 200 50 60Hz SV2 SV3D SV42 SV3A SV3B SV3C 5 SV41 SV5 VPV 122DQ1 SV2 SV3C SV3D SV3E 2 way valve VPV 303DQ1 SV3A SV41 SV42 SV5 VPV 122DQ1 SV3B High pressure SW SCB JB215 OFF 3 73MPa ON 2 9MPa Pressure sensor For high pressure 150XA4 H3 0 5 to 3 5V 0 to 0 98MPa Pressure sensor Perley eau 150XA4 L1 0 5 to 4 3V 0 to 3 73MPa Fan motor MF 230 600 2 DC280V 600W Case heater AC200V 26W x 3 Compressor case thermo US 622KXTMQO SS OFF 125 C ON 90 C 2 30 3 3 Outdoor Inverter Cooling Only Model Model MMY MAP0501 T8 MAP0601 T8 MAP0801 T8 MAP1001 T8 MAP1201 T8 Power supply terminal block JXO 3004 AC600V 30A 4P Communication line terminal block JXO B2H DC42V 1 6P Reactor CH 44 1 45mH 25A Smoothing condenser 400LRSN 1500M 1500uF 400V For compressor Power supply transformer TT 01 03T AC230V 350mA P C board Noise filter 1366 240 481005 0 48mH 30A 1366 board 220 631005 0 63mH 25A 1366 board P C board Control board MCC 1429 P C board IPDU 4T62DA1E 6 2kW MCC 1502 P C board Power supply board 1439 board IPDU for fan IPDU 2D16DA1 800W 896 897 Power complex module 6MBR25UA1
163. 237 275 6t A 403 A 406 tog amp ae Gia A 404 A405 HL9E0dV OWIN Part No 43109407 202 43109408 Location Description GRILLE INLET GRILLE INLET Model Name MMC AP0361H AP0481H 1 203 43121714 MOTOR FAN 206 43146555 MOTOR PMV 207 43146644 43120222 STRAINER FAN MULTI BLADE 4314J241 EVAPORATOR ASSY 43122084 CASE FAN LOWER 43122085 CASE FAN UPPER 43121719 DRIVER A SSY HORIZONTAL LOUVER 43180314 AIR FILTER 43180315 AIR FILTER 43108014 BASE RECEIVER 43147740 DISTRIBUTOR ASSY 43179130 BAND HOSE 43125131 BEARING SHAFT 43125155 COUPLING 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43060029 FILTER NOISE 43149326 COVER BACK BASE 43125158 SHAFT 43160556 LEAD LOUVER HORIZONTAL 43109411 GRILLE A SSY HORIZONTAL 43107252 SHAFT HOLIZONTAL LOUVER 43107253 SUPPORT GRILLE HORIZONTAL 43122086 GRILLE A SSY VERTICAL 43179129 CAP DRAIN 43107254 H1NGE GRILLE INLET 43107255 HOOK GRILLE INLET 43108016 MARK TOSHIBA 43170234 43102647 HOSE DRAIN COVER SIDE RIGHT 43102648 COVER
164. 316V195 REMOCON 4316V196 4316V197 REMOCON REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 ai lwl in 43050382 43050398 SENSOR TC F6 SENSOR TG F4 43150299 SENSOR TA 43158184 REACTOR 43160478 TERMINAL BLOCK 43160509 TERMINAL 4316V210 P C BOARD ASSEMBLY 33 MMD AP0561BH 237 260 210 219 203 N 34 MMD AP0561BH eL PED Hr 35 MMD AP0561BH 0 ER 403 1059 1081 36
165. 317 YES Correct connector connection TS1 sensor CN504 Are TS1 TE1 Pd Ps sensor TE1 sensor CN505 connectors connected 2 Pd sensor CN501 YES Ps sensor CN500 m Are characteristics of resistance value of TS1 and TE1 sensors normal Replace sensor YES NO Are output voltage characteristics of Pd and Ps sensors normal Replace sensor YES Correct connection and installation Are connection and installation of TE1 and TL sensors correct YES If an error did not occur 2 Reset the power supply and start heating test operation Does not discharge refrigerant gas bypass to suction side through 4 way valve 1 YES Does 4 way valve operate in test operation restart the operation NO YES 4 way valve error Check 4 way valve 1 Check TS and TE temperature of the outdoor unit which compressors is operated SW01 1 SWO2 6 SW03 2 TS sensor temperature SW01 1 SW02 7 SWO3 2 TE sensor temperature Judgment criteria TE sensor Normal if TE lt 20 C except summer season Outside temp 20 or lower TS sensor Normal if TS lt 40 C except summer season Outside temp 20 or lower 198 Check code name Check code name Cause of operation Pd sensor error Service valve closed Indoor outdoor fan error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging SV2 circuit error SVA circuit error
166. 37 43191079 BAND MOTOR RIGHT BASE MOTOR 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147664 4316V194 STRAINER REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL 1201 8 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43158187 TRANSFORMER 43160478 TERMINAL BLOCK 43160509 TERMINAL 4316V207 P C BOARD ASSEMBLY 4316V247 P C BOARD ASSEMBLY 62 MML AP0241H MML AP0241H CN CN 212 A 5 quos TT a 244 64 MML AP0241H A 407 5 ae 75 x HH A 406 Location 43723020 CASE FAN LEFT 2 203 Part No 43126119 Description CASE FAN RIGHT Model Name AP0241H 204 43109394 GRILL INLET WHITE 207 43155171 CAPACITOR 210 43121300 43146555 MOTOR FAN MOTOR PMV 43146646 STRAINER 43120137 FAN MULTI BLADE 43180280 AIR FILTER 43101346 FRAME WHITE 43101347 COVER CONTROL PANEL WHITE 43172101 PAN DRAIN 43100225 PANEL FRONT WHITE 4314J223 EVAPORATOR ASSY 43147723 DISTRIBUTOR ASSY 43047545
167. 43147719 STRAINER 43147721 STRAINER 43147711 STRAINER 43147712 STRAINER 43148171 PLUG FUSIBLE 43148202 TANK LIQUID 43148201 SEPARATOR 43148193 TANK OIL 43148200 ACCUMULATOR 43149315 SENSER ASSY LOW PRESSURE 43149316 SENSER ASSY HIGH PRESSURE 43149317 RUBBER SUPPORTER PIPE 43149318 RUBBER SUPPORTER PIPE 43149319 RUBBER SUPPORTER PIPE 43149320 RUBBER SUPPORTER PIPE 43149321 RUBBER SUPPORTER PIPE 43149323 RUBBER SUPPORTER PIPE 43149324 RUBBER CUSHION 43149325 BAND FIX 4314G171 CONDENSER ASSY THREE ROW 4314G172 CONDENSER ASSY THREE ROW 4314G173 CONDENSER ASSY ONE ROW 4314G174 CONDENSER ASSY ONE ROW 068 43151283 SWITCH PRESSURE ACB 4UB32W 2 2 2 2 071 4311M422 OWNER S MANUAL MMY MAP1201HT8 1 1 1 1 85 ONN af oa a a Polo co a a a Pol co co n po 5 5 MM POP k 2
168. 5 132 0 138 0 145 0 150 0 12 HP 10 HP 10 HP 12 HP 12 HP 12 HP 12 HP 12 HP 10 HP 10 HP 10 HP 12 HP 12 HP 12 HP 12 HP 10 HP 10 HP 10 HP 10 HP 12 HP 12 HP Combined outdoor units No of connectable indoor units B Branching joints and headers Model RBM External view MA Y branch joint BY203 E Total indoor unit capacity code Over 14 2 below 25 2 BY53 E Total indoor unit capacity code Below 6 4 BY103 E Total indoor unit capacity code Over 6 4 below 14 2 03 Total indoor unit capacity code Over 25 2 HY1043 E Total indoor unit capacity code Below 14 2 1 HY2043 E branches Total indoor unit capacity code Over 14 2 below 25 2 E ranch header HY1083 E Max Total indoor unit capacity code Below 14 2 5 HY2083 E 8 branches Over 14 2 below 25 2 z w Total indoor unit capacity code Toranch joint Pipe at liquid side Corresponded dia 9 5 to 22 2 x1 Pipe at gas side Corresponded dia 15 9 to 038 1 x 1 The following 3 types of T joint pipes are collected as 1 set Balance pipe 29 5 x1 5 ARARA a n 1 line after header branch the maximum total capacity codes 6 0 can be connected The capacity code is indicated as HP equivalent For details refer to Selection of refrigerant pipe 10 B Indoor units Appearance 4 way Air Dischar
169. 555 MOTOR PMV 43146645 STRAINER 43146646 STRAINER 43193066 PLATE SET ASSY 4314J216 EVAPORATOR ASSY 4314J217 EVAPORATOR ASSY 43172131 PAN ASSY DRAIN 43172129 PAN ASSY DRAIN 43100271 CABINET ASSY U SABU 43100272 CABINET ASSY U SABU 43191389 CABINET PLATE LOWER 43191387 CABINET PLATE LOWER 43109347 COVER RECEIVER 43102618 CABINET SIDE LEFT 43180288 AIR FILTER 43180289 AIRF1LTER 43147730 DISTRIBUTOR ASSY 43147731 DISTRIBUTOR ASSY 43197149 SCREW 43047545 NUT FLARE 1 4 IN 43194026 SOCKET 43194077 SOCKET 1 8 IN 43194050 SOCKET 43139098 ROD CONNECTION 43109348 COVER SCREW 43109354 GRILLE HORIZON 43109349 GRILLE HORIZON 43109359 GRILLE VERTICAL 43109351 SHAFT GRILL RIGHT 43109352 SHAFT GRILLE LEFT 43170209 HOSE DRAIN 43107215 HOLDER SENSOR 43022189 BEARING 43047609 BONNET 43047303 BONNET 43194057 NUT FLARE 1 2 IN 43194055 NUT FLARE 3 8 IN 43049697 BONNET 43019904 HOLDER SENSOR 43119394 LEVER 4319V010 HOLDER 43149314 SHEET PMV 43147673 STRAINER 43147725 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43160478 TERMINAL BLOCK 43160548 TERMINAL 6P 4316V225 P C BOARD ASSEMBLY
170. AFT HOLIZONTAL LOUVER 43107253 SUPPORT GRILLE HORIZONTAL 43122086 GRILLE A SSY VERTICAL 43179129 CAP DRAIN 43107254 H1NGE GRILLE INLET 43107255 HOOK GRILLE INLET 43108016 MARK TOSHIBA 43170234 HOSE DRAIN 43102647 COVER SIDE RIGHT 43102648 COVER SIDE LEFT 5 5 43191663 PANEL UNDER _ 5 5 NS 43191664 PANEL UNDER gt 43107215 HOLDER SENSOR 43047609 BONNET 4 43147195 BONNET 1 2 IN 4 4 43194029 BONNET 43049697 BONNET 43019904 HOLDER SENSOR 43149314 SHEET PMV 43162050 BUSHING 56DIA 43197163 SCREW FIX DRAIN PAN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 k k j 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150297 SENSOR TC 43160478 TERMINAL BLOCK 43160509 TERMINAL 4P 4316V225 P C BOARD ASSEMBLY MMC AP0361H 0481 48 233
171. AL 5 a po A 43109351 SHAFT GRILL RIGHT 43109352 SHAFT GRILLE LEFT 43170209 43107215 HOSE DRAIN HOLDER SENSOR 43022189 BEARING 43047609 BONNET 43194029 43194055 BONNET NUT FLARE 3 8 IN 43019904 HOLDER SENSOR 43119394 LEVER 4319V010 43149314 HOLDER SHEET PMV 43147664 STRAINER 43147673 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 43193067 PLATE SET ASSY 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150299 SENSOR TA 43160478 TERMINAL BLOCK 43160548 TERMINAL 6P 4316V225 P C BOARD ASSEMBLY 58 0071 AP0091H AP0121H AP0151H AP0181H 221 204 59 0071 AP0091H AP0121H AP0151H AP0181H 225 225 227 212 A 213 214 lt J 2 STER yy 522 LJ i B 235 236 233 234 231 232 244 245 229 230 243 246 0071 AP0091H AP0121H AP0151H AP0181H 61 Location 43723020 CASE FAN LEFT 202 Part No 43723019 Description CASE FAN RIGHT Model
172. AP0361H 027 type 036 type MMD AP0481H 048 type MMD AP0721H MMD AP0961H 072 type 096 type Under Ceiling Type MMC AP0151H 015 type E MMC AP0181H MMC AP0241H 018 type 024 type MMC AP0271H 027 type MMC AP0361H MMC AP0481H 036 type 048 type High Wall Type MMK AP0071H 007 type MMK AP0091H MMK AP0121H 009 type 012 type MMK AP0151H 015 type MMK AP0181H MMK AP0241H 018 type 024 type Floor Standing Cabinet Type 0071 007 type 0091 0121 009 type 012 type 0151 015 0181 0241 018 024 type Floor Standing Concealed Type 0071 007 type MML AP0091BH MML AP0121BH 009 type 012 type 0151 015 MML AP0181BH MML AP0241BH 018 type 024 type Floor Standing Type MMF AP0151H 015 type O1 MMF AP0181H MMF AP0241H 018 type 024 type MMF AP0271H 027 type MMF AP0361H MMF AP0481H 036 type 048 type MMF AP0561H 1 Model built in with heater will be delivered in Jan 04 2 Concealed Duct High Static Pressure type models MMD AP0241H and AP0271H will be delivered in April 04 11 056 type on ro Po 5
173. ASSY NOISE FILTER MCC 1366 4316V246 PC BOARD ASSY INTERFACE 1429 4316V237 PC BOARD ASSY FAN IPDU IPDU 2D16DA1 4316V245 PC BOARD ASSY A3 IPDU 1502 4316V244 PC BOARD ASSY POWER MCC 1439 43155194 CAPACITOR 43152506 ELECTRO MAGNETIC SWITCH 43153006 PTC THERMISTOR 43155197 RESISTOR nm 5 1 1 00 no 1 1 ojo no 5 ojo no rm 5 5 ojo rm 1 1 09 92 TOSHIBA CARRIER CORPORATION 336 TADEHARA FUJ I SHI SHIZUOKA KEN 416 8521 J TOSHIBA CARRIER CORPORATION e CHOME 12 328 KONAN MINATORKU TOKYO 108 0075 JAPAN
174. C280V 43146495 VALVE CHECKED 43146652 COIL VALVE 2WAY 43146581 VALVE CHECKED BCV 302DY 43146588 JOINT CHECK 43146658 COIL VALVE AWAY 43146594 VALVE GAS 43146595 VALVE 2WAY 43146596 VALVE AWAY 43146613 VALVE BALL 43146618 VALVE AWAY STF 0401G 43146635 VALVE AWAY 43146636 VALVE AWAY 43146637 VALVE CHECK 43146638 VALVE PMV 43146642 COIL PMV 43147195 BONNET 1 2 IN 43147716 STRAINER 43147719 STRAINER 43147721 STRAINER 43147711 STRAINER 43147712 STRAINER 43148171 PLUG FUSIBLE 43148202 TANK LIQUID 43148201 SEPARATOR 43148193 TANK OIL 43148200 ACCUMULATOR 43149315 SENSER ASSY LOW PRESSURE 43149316 SENSER ASSY HIGH PRESSURE 43149317 RUBBER SUPPORTER PIPE 43149318 RUBBER SUPPORTER PIPE 43149319 RUBBER SUPPORTER PIPE 43149320 RUBBER SUPPORTER PIPE 43149321 RUBBER SUPPORTER PIPE 43149323 RUBBER SUPPORTER PIPE 43149324 RUBBER CUSHION 43149325 BAND FIX 4314G171 CONDENSER ASSY THREE ROW 4314G172 CONDENSER ASSY THREE ROW 4314G173 CONDENSER ASSY ONE ROW 1 4314G174 CONDENSER ASSY ONE ROW 1 43151283 SWITCH PRESSURE ACB 4UB32W 2 3 1 069 43157276 HEATER CASE 29W 240V 3 3 3 071 4311M422 OWNER S MANUAL MMY MAP1201HT8 1 1 1 a m a po co po A
175. Controls PMV under cool in heating operation Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 2 MMU AP0071 to AP0121YH only Controls PMV under cool in heating operation 58 5 COMBINED REFRIGERANT PIPES SYSTEMATIC DRAWING 5 1 Normal Operation COOL Mode DEFROST Mode Header unit Follower unit MMY MAP1001H MMY MAP1001H Balance pipe Liquid pipe Gas pipe Indoor unit High pressure gas or condensate liquid refrigerant Cc Evaporative gas refrigerant Low pressure gas NOTE An outdoor unit which is connected with indoor outdoor communication lines is the Header unit and the other unit is called Follower unit Example 20HP system 59 5 2 Normal Operation HEAT Mode Header unit Follower unit MMY MAP1001H MMY MAP1001H 4 Way valve 7 Pssensor 7 1 L Gas pipe EN Liquid pipe Indoor unit High pressure gas or condensate liquid refrigerant Ce Evaporative gas refrigerant Low pressure gas NOTE An outdoor unit which is connected with indoor outdoor communication lines is the Header unit and the other unit is called Follower unit Example 20HP system 60 5 3 Emergent Operation Cooling Operation when Center Outdoor Backup Header uni
176. DRAWING 4 1 Inverter Unit 5 6 8 10 12HP Model MMY MAP0501HT MAP0601HT MAP0801HT MAP1001HT MAP1201HT 8 10 12HP PMV1 Balance Liquid pipe servise servise valve PMV2 Sensor 28 TE1 Strainer Pulse motor valve PMV 1 Solenoid valve Strainer Capillary tube Strainer Solenoid valve Check Compressor 1 Inverter Capillary tube Sensor TK1 Solenoid valve SV3E Capillary tube Gas side servise valve side valve 56 1 1 1 Propeller fan 1 1 1 1 Fan motor Accumulator Capillary tube Sensor TK2 Oil tank Capillary tube Solenoid valve P gt SV3B 4 2 Explanation of Functional Parts Functional part name Functional outline Solenoid valve Connector CN324 Red 1 Collects oil in the oil tank during OFF time 2 Supplies oil reserved in the oil tank during ON time Connector CN313 Blue 1 Returns oil supplied in the balance pipe to the compressor Connector CN314 Black 1 Pressurizes oil reserved in the oil tank during ON time Connector CN323 White 1 Reserves oil in the oil separator during OFF time and supplies oil during ON time Connector CN323 White 1 Turns on during operation and balances oil between compressors Hot gas bypass Connector CN312 White Low pressure release function Gas balance function during stop time 1 2 High pressure release function 3
177. Decreased number of connected outdoor units stop The signal was not returned for constant from the outdoor unit which was receiving signal Outdoor is performing backup Check the power of outdoor unit Is the power turned on Check connection of inter unit wire or disconnection between outdoor units Check the connector connection for communication on outdoor P C board Check outdoor P C board error No of detected outdoor units Outdoor follower unit error stop Outdoor header unit received error code from outdoor follower unit Convenient functions Check the check code of outdoor follower unit When pushing SW04 for 1 second or more under condition that E28 is displayed on 7 segment display of outdoor header unit the fan of outdoor unit which stopped abnormally starts rotating If pushing SW04 and SW05 simultaneously the fan of normal outdoor unit operates When pushing SW05 singly the operation of fan is cleared IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and P C board or outdoor P C board error IPDU communication error All stop Communication of each IPDU P C board in inverter box interrupted Check connection of communication connector and disconnection between IPDU and P C board Chec
178. Detects high pressure and controls compressor capacity 2 Detects high pressure in cooling operation and controls the fan in low ambient cooling operation Low pressure sensor Connector CN500 White 1 Detects low pressure in cooling operation and controls compressor capacity 2 Detects low pressure in heating operation and controls the super heat Heater Compressor case heater Compressor 1 Connector CN316 White Compressor 2 Connector CN315 Blue 1 Prevents liquid accumulation to compressor Accumulator case heater Connector CN321 Red 1 Prevents liquid accumulation to accumulator Balance pipe 1 balancing in each outdoor unit 57 4 3 Indoor Unit Liquid side Gas side Capillary tube Air heat exchanger at indoor side Pulse Motor Valve PMV Sensor Sensor TCJ Fan Sensor TA Fan motor NOTE MMU AP0071YH to AP0121YH type air conditioners have TC2 sensor Functional part name Functional outline Pulse Motor Valve PMV Connector 082 Blue 1 Controls super heat in cooling operation 2 Controls under cool in heating operation 3 Recovers refrigerant oil in cooling operation 4 Recovers refrigerant oil in heating operation Temp sensor Connector CN104 2P Yellow 1 Detects indoor suction temperature Connector CN100 3P Brown 1 Controls PMV super heat in cooling operation Connector CN101 2P Black 1
179. Discharge Cassette 20 14 4 1 1 0 10 3 1 way Air Discharge Cassette 18 4 Concealed Duct Standard 26 5 Concealed Duct High Static Pressure Type 36 6 Under Ceiling Type 45 7 High Wall E 51 8 Floor Standing Cabinet Type 59 9 Floor Standing Concealed 67 10 Floor Standing Type 73 Melia ER SIGE EE EE Ez 81 zu 215 217 218 7 248 203 1 204 206 207 d 219 SN EN A210 Ane 249 254 1511 SLdVd SMAIA HLtcOdV HL8LOdV HLGLOdV HLZLOdV HL600dV NININ HLtcOdV HL8LOdV HLGLOdV HLZLOdV HL600dV NINN Location m Model Name MMU No VOIE Description 121 APO151H APO181H APO241H 43122078 BELL MOUTH 43172164 PAN ASSY DRAIN 43172171 PAN ASSY DRAIN 43172172 PAN ASSY DRAIN 43121692 MOTOR FAN 43146555 MOTOR PMV 43146645 STRAINER 43146646 STRAINER 43170232 HOSE DRAIN 4314J235 EVAPORATOR ASSY 4314237 EVAPORATOR ASSY 4314238 EVAPORATOR ASSY 43119464 GUARD FAN 43147732 DISTRIBUTOR ASSY 43147733 DISTRIBUTOR ASSY 43147734 DISTR
180. ERMINAL BLOCK 43160509 TERMINAL 4P 4316V225 ASSEMBLY 214 A 234 46 237 241 251 208 A 236 224 231 233 245 BTN 227 228 246 p NE 223 lt 203 lt Ng wsi 5 257 253 A 254 A 255 A 256 A HL9GOdV HLS8LOdV HL9 0dV NNN HI9S0dV 9 0 Location No Part No 43120214 Description FAN ASSY TURB Model Name MMU AP0361H AP0481H AP0561H 43122078 BELL MOUTH 43172170 PAN ASSY DRAIN 43121691 MOTOR FAN 43146555 43146644 MOTOR PMV STRAINER 43170232 HOSE DRAIN 4314J236 EVAPORATOR ASSY 43119464 43147735 GUARD FAN DISTRIBUTOR ASSY 43079249 BAND HOSE 43047546 NUT FLARE 3 8 IN 43194026 43194078 SOCKET NUT FLARE 5 8 IN 43194079 SOCKET 43060029 FILTER NOISE 43122080 PLATE WIND 43170231 HOSE DRAIN 43139137 RUBBER CUSHION 43119451 COVER ASSY 43121713 PUMP ASSY WIRING 43151278 SWITCH FLOAT 43197155 WASHER 43097204 NUT 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43019904 HOLDER SENSOR 43479029 BAND HOSE
181. ES Is there clogging on whole valve NO Repair faulty parts Check indoor P C board Failure Replace Repair faulty parts YES Is there clogging of indoor air filter or heat exchanger NO Is indoor PMV normal S YE Refrigerant shortage or clogging or pipe deformed B Heating Cleaning Replace PMV body Is indoor fan system normal Check outdoor Cleaning Fan crack Fan coming off Is outdoor fan normally operated in heating season YES S Is there clogging of outdoor heat exchanger YE P C board Failure Replace NO N Is outdoor PMV normal 9 YES Repair faulty parts Refrigerant shortage 174 clogging pipe deformed Check code name H07 d7 d07 AI NET Are balance pipe valves Check code name Cause of operation Oil level down detection protection Valves of balance pipes closed Miscabling or misinstallation of TK1 to TK4 sensors TK1 to TK4 sensor error Gas leak or oil leak of all outdoor units Refrigerant stagnation of compressor case SV3A 3B 3D 3C 3E valve error Clogging of oil return circuit from oil separator Clogging of oil equation circuit system NO Open balance pipe valves fully of all outdoor units in same line fully opened Are TK1 TK2 and TK4 sensors of the error detected rese
182. F Interface batch alarm of general purpose control devices Operation continued Error was input in general purpose control device control interface Check error input Differs according to error contents of the with alarm TCC LINK Follower unit error of group control Operation continued An error occurred in follower unit of the group control P30 is displayed only on the central control remote controller Check the check code of the unit with alarm L20 is displayed Error detected by AI NET central control device Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Duplicated central control address Check code name AI NET communication System error Operation continued Operation continued Central control addresses were duplicated Error detection condition E07 L07 L03 L08 was detected when other indoor unit in the group was defective Check the address setup Check item position Check multiple network adaptors Check wire and miscabling of remote controller Only one network adaptor can be connected to communication line of remote controller Duplicated network adaptors Operation continued Multiple network adaptors were connected to communication line of remote controller Detected at central
183. FILE NO A03 009 TOSHIBA SERVICE MANUAL HFC Indoor Unit Outdoor Unit 4 way Air Discharge Cassette Type MMU AP0091H AP0121H 0151 Cooling Only Model MMU AP0181H AP0241H AP0271H MMU AP0301H AP0361H AP0481H MMU AP0561H MMY MAP0501T8 0601 8 2 way Air Discharge Cassette Type MMY MAPO801T8 MAP1001T8 MMU AP0071WH AP0091WH AP0121WHI MMY MAP1201T8 MMU AP0151WH AP0181WH AP0241WH MMU AP0271WH AP0301WH SUPER MODULAR MULTI Inverter Unit MMU AP0481WH CHINA market only Heat Pump Model 1 way Air Discharge Cassette Type Inverter Unil gt MMU AP0071YH AP0091YH AP0121YH MMU AP0151SH AP0181SH AP0241SH MR d ERU Ms phia gi Concealed Duct Standard Type MMY MAP1201 HT8 MMD AP0071BH AP0091BH AP0121BH MMD AP0151BH AP0181BH AP0241BH MMD AP0271BH AP0301BH AP0361BH MMD AP0481BH AP0561BH Heat Pump Model Concealed Duct High Static Pressure gt Inverter Unit MMD AP0181H 0241 0271 MMY MAP0501HT7 MAP0601HT7 MMD AP0361H AP0481H 0721 MMY MAP0801HT7 MAP1001HT7 MMD AP0961H MMY MAP1201HT7 Under Ceiling Type MMC AP0151H 0181 0241 MMC AP0271H AP0361H AP0481H High Wall Type MMK AP0071H 0091 0121 MMK AP0151H AP0181H AP0241H Floor Standing Cabinet Type gt MML AP0071H AP0091H 0121 MML AP0151H AP0181H AP0241H Floor Standing Concealed Type MML AP0071BH AP0091B
184. Failure Replace YES Does outside device correctly operate i Check outside device y op Failure Replace YES Check cause of the operation Check code name code code Check code name Cause of operation L31 Extended IC error 1 Outdoor unit power error d07 AI NET 2 Outdoor P C board error ls there any trouble of YES Check power voltage and line outdoor unit power supply Check auxiliaty noise etc Check outdoor P C board Check codename code name Check code name Cause of operation P01 11 Indoor fan motor error 1 Cabling error d07 AI NET 2 Check fan motor For the models installed with AC fan motor only Is there no connection error or YES Correct cabling circuit for disconnection of CN076 connector the connector connection YES Is not there mechanical lock of fan motor Replace fan motor Check indoor P C board Failure Replace 187 Check code name Check code name Cause of operation P03 1E Discharge temp TD1 error Service valve of outdoor unit closed d07 AI NET Outdoor PMV error TD sensor error Refrigerant shortage clogging of refrigerant circuit system 4 way valve error SV4 circuit leakage misinstallation NO Are service valve of gas and liquid sides fully opened YES Is outdoor PMV normal 1 Connector connection 2 Cabling 3 Coil 4 V
185. GTF Lead wire length 818mm Vinyl tube TC1 sensor 4 size lead wire length 1200mm Vinyl tube Blue TC2 sensor 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 26 size lead wire length 1200mm Vinyl tube Red 28 Floor Standing Cabinet Type Model MML AP Fan motor AF 200 19 4F AF 200 45 4F AF200 70 4K Running condenser for fan motor AC450V 1 2hF AC400V 1 8uF AC450V 2uF Transformer TT13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 818mm Vinyl tube 04 size lead wire length 1200mm Vinyl tube Blue 06 size lead wire length 1200mm Vinyl tube Black 26 size lead wire length 1200mm Vinyl tube Red Floor Standing Concealed Type Model 0071BH 0091BH 0121BH 0151BH 0181BH 0241BH Fan motor AF 200 19 4G AF 200 70 4K Running condenser for fan motor AC450V 1 5hF AC450V 1uF AC450V 2uF Transformer TT 13 Pulse motor valve EDM B25YGTF EDM B40YGTF TA sensor Lead wire length 818mm Vinyl tube TC1 sensor 4 size lead wire length 2000mm Vinyl tube Blue 06 size lead wire length 2000mm Vinyl tube Black 06 size lead wire length 2000mm Vinyl tube Red Floor Standing Type Model MMF AP 0151H 0181H 0241H 0271H 0361H 0481H 0561H Fan motor AF 200 37R AF 200 63T 200 110 1 AF 200 160H 1 Running condenser for fan motor 500 3uF 500 3 5hF 500 4uF
186. H 0121 MML AP0151BH AP0181BH AP0241BH Floor Standing Type MMF AP0151H AP0181H 0241 MMF AP0271H AP 1H AP0481H MEUS H naa PRINTED IN JAPAN May 2004 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its
187. IBUTOR ASSY 43079249 BAND HOSE 43419580 JOINT T SHAPE 43047545 NUT FLARE 1 4 IN 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194078 NUT FLARE 5 8 IN 43194080 SOCKET 43194079 SOCKET 43060029 FILTER NOISE 43170231 HOSE DRAIN 43139137 RUBBER CUSHION 43119451 COVER ASSY 43121713 PUMP ASSY WIRING 43151278 SWITCH FLOAT 43197155 WASHER 43097204 NUT 43107215 HOLDER SENSOR 43047609 BONNET 43147195 BONNET 1 2 IN 43194029 BONNET 43049697 BONNET 43019904 HOLDER SENSOR 43149314 SHEET PMV 43479029 BAND HOSE 43179126 RUBBER PUMP DRAIN 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 w l TS i a NS 43050382 SENSOR TC F6 43050398 SENSOR TG F4 43150297 SENSOR TC 43160478 TERMINAL BLOCK 43160509 TERMINAL 4P 4316V225 P C BOARD ASSEMBLY ak
188. LTI BLADE AIR FILTER 43139132 CLAMP GRILLE 43100275 CABINET ASSY 43101357 43101345 PANEL REMOTE CONTROLER COVER REMOTE CONTROLER 4314J234 EVAPORATOR ASSY 4300Q077 MAGNET LOCK 43047546 NUT FLARE 3 8 IN 43194026 SOCKET 43194078 NUT FLARE 5 8 IN 43194079 SOCKET 43139093 CONNECTION ROD 3759V024 GRILLE ASSY 43109207 GRILLE OUTLET VERTICAL 43100235 CABINET LOWER 43147743 DISTRIBUTOR ASSY 43107215 HOLDER SENSOR 43047609 BONNET 43194029 BONNET 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43172090 PAN DRAIN 43197136 WASHER 43109412 GRILLE OUTLET HORIZONTAL 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 4316V197 REMOCON 4311M422 OWNER S MANUAL MMY MAP1201HT8 alol l l a oo af on a at AIA l a on alo a a a a a at at ala 43050382 SENSOR TC F6 43050398 SENSOR TG F4 4315
189. Mount the air outlet flap First push in the one side and insert the opposite side with sagging the center down ward 2 Insert in the flap sagging down the center downward Be careful to direction when mounting 3 1 insert the louver A Set the surface with printed mark upward and 7 X 7 lt mount the flap so that the arrow mark of the printed mark directs outward 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Compact Type Hold the center panel and pull it toward you and 1 Push PUSH at the center and left right of the pull down it slowly downward The center panel suction port to open the suction port can move either leftward or rightward Remove it after confirmation Take out the air filter by lifting up it once and then pull it downward Take off the fall preventing straps at the both sides Pull down the air filter to take out it For AP0631 0481 and AP0561 types hold NS N the claw of the air filter and pull down it REQUIREMENT Insert the air filter of 1 way Air Discharge Cassette Compact Type surely into the specified position A CAUTION After cleaning be sure to attach the fall preventing straps of the center panel otherwise an injury is caused by falling 49 Concealed Duct Standard Type Slide Click of the suction panel toward arrow direction and then open the panel downward
190. NET Check code name Low pressure protective operation Cause of operation Service valve close Ps sensor error SV2 SV4 circuit error Miscabling of communication between indoor and outdoor Indoor outdoor fan and condenser error Indoor outdoor PMV clogging Indoor outdoor heat exchanger clogging Refrigerant shortage Open service valves fully Are service valves of gas and NO liquid pipe of outdoor unit fully opened YES Are characteristics of NO low pressure sensor normal YES Exchange low pressure sensor 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display 3 Output voltage of P C board If 1 and 2 3 are different an error of pressure sensor error is considered SV2 SV4 circuits normal YES If 2 and are different check I F P C board Correct SV2 and 5 4 circuits Check miscabling misinstallation and connector connection YES Is not indoor unit with different circuit connected NO In cooling season go to A In heating season go to B A Cooling Does indoor fan normally operate in cooling season YES Correct cabling Check with miscabling check function of outdoor unit Are following items concerned to indoor fan motor normal 1 Connector connection 2 Condenser 3 Motor 4 Fan Is connector connection or coil normal YES Y
191. NUT FLARE 1 4 IN 43194051 SOCKET 43194081 NUT FLARE 1 2 IN 43194080 SOCKET 43100233 CABINET UPPER WHITE 43100228 OUTLET WHITE 43109395 GRILLE WHITE 43109240 GRILLE 43170201 HOSE DRA1N 43107215 HOLDER SENSOR 43147195 BONNET 1 2 IN 43049697 BONNET 43196087 BUSHING GRILLE 43039136 BAND MOTOR LEFT 43039137 BAND MOTOR RIGHT 43191079 BASE MOTOR 43019904 HOLDER SENSOR 43149314 SHEET PMV 43147664 STRAINER 4316V194 REMOCON 4316V195 REMOCON 4316V196 REMOCON 258 4316V197 4311M422 REMOCON OWNER S MANUAL MMY MAP1201HT8 a 2j 2 2 2 2 a m m mio oo a po po po 401 43050382 SENSOR TC F6 402 403 43050398 43150299 SENSOR TG F4 SENSOR TA 404 43158187 TRANSFORMER 405 43160478 TERMINAL BLOCK 406 43160509 TERMINAL 407 4316V207 P C BOARD ASSEMBLY 408 4316V247 P C BOARD ASSEMBLY 66 MML AP0071BH AP0091BH AP0121BH AP0151BH AP0181BH 242 208 N 231 215 216 N 67 89 2 Harerodv HELSLOdV H LZLOdV 16004 1 004 Location
192. OHB1S UBIH nq adAL ABA L 9dAI 9119SSB gt 5071 33 MCC 1520 2 way Air Discharge Cassette Type 1 way Air Discharge Cassette Type Concealed Duct High Static Pressure Type Floor Standing Cabinet Type Floor Standing Concealed Type Floor Standing Type co 1GO 1520 01 COMPONENT SIDE Power supply trans side Input Control P C board side Output 222 10 1 3 Optional Connector Specifications of Indoor P C Board Function Humidifier output Connector No Specifications DC12V Output Remarks In heating thermo ON Fan ON Humidifier output ON Humidifier provided Drain pump ON is set up by CN70 short circuit or from remote controller DN 40 Fan output DC12V Output Shipment setup ON with indoor unit operation and OFF with stop are linked Single operation by FAN button on remote controller is set up from remote controller DN231 ON OFF input HA ON OFF input J01 YES NO Pulse At shipment Static input select 0V COM Main prohibition input Operation stop of main remote controller is permitted prohibited by input Operation output ON during operation Answerback of HA DC12V COM Alarm output ON during alarm output Option output DC12V COM Defrost output ON when outdoor unit is defrosted
193. P C board normal YES YES Replace fuse Is there no fusing of AC30A fuse IPDU PC board NO NO 15 compressor normal Replace compressor YES Is smoothing condenser normal 1500 350 YES Check capacity coming out external appearance Replace IPDU board 202 Check code name Check code name Cause of operation P29 16 Compressor position 1 Cable connector connection error d07 detective circuit error 2 Compressor error 3 IPDU board error Sub code 01 Compressor 1 side 02 Compressor 2 side Are connector connection NO Check and correct circuit and cables and wiring normal such as cabling to compressor etc YES YES Is not grounded Compressor error Replace NO YES Is not winding shorted Is winding resistance 0 6 to 1 2W Compressor error gt Replace NO YES Is not winding opened Compressor error Replace NO Check IPDU board Failure Replace Check code name Check code name Cause of operation P31 47 Other indoor error Other indoor unit in the group is abnormal d07 AI NET Group follower unit error When the header unit of the group detected E03 103 107 108 error the follower unit of the group displays P31 error and stops There are no check code display and alarm record of the main remote controller 203 Check code name Check code name Cause of operation
194. PJD 05230TF 1 Float switch Control P C board transformer FS 0208 608 TT 13 Pulse motor Pulse motor valve EDM MD12TF 3 EDM B25YGTF EDM B40YGTF TA sensor TC1 sensor TC2 sensor Lead wire length 268mm 4 size lead wire length 1200mm Vinyl tube Blue 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor Model MMU AP Fan motor 26 size lead wire length 1200mm Vinyl tube Red 0271WH 0301WH AF 200 53 4F 0241WH 0481WH AF 200 92 4B Running condenser for fan motor Running capacitor for fan motor AC 450V 2 5uF AC 450V 2 5uF 450V 3uF 450V 3 5 AC 450V 5uF AC 500V 5uF Drain pump motor Float switch PJD 05230TF 1 FS 0208 608 Control P C board transformer Pulse motor TT 13 EDM MD12TF 3 Pulse motor valve TA sensor EDM B40YGTF Lead wire length 268mm EDM B60YGTF 1 TC1 sensor TC2 sensor 4 size lead wire length 1200mm Vinyl tube Blue 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor 26 size lead wire length 1200mm Vinyl tube Red 26 1 way Air Discharge Cassette Compact type Type Model MMU AP 0071YH 0091YH 0121YH Fan motor AF 200 22 4N 1 Running capacitor for fan motor AC 400V 1uF Drain pump motor PJD 05230TF 1 Float switch FS 0208 602 Control P C board transformer 13 Pulse motor EDM MD12TF 3 Pulse motor valve EDM B25YGTF TA sensor Lead wire length 818mm
195. POWER MCC 1439 43155194 CAPACITOR 43152506 ELECTRO MAGNETIC SWITCH 43153006 PTC THERMISTOR 43155197 RESISTOR 5 2 wr 5 ow 5 22 2 5 22 wr 1 2 09 86 MMY MAP0501HT7 MAP0601HT7 MAP0801HT7 MAP1001HT7 MAP1201HT7 25 N Mm LES 16 93 65 or 67 66 or 64 5 6HP 5 6HP 95 92 us rd Li Nea 5 or 4 5 6HP 69A SVSB 44 or 45 5 6 67 88 63 56 28 37 SV41 28 37 SV42
196. Power supply circuit CNO75 Sub P C board MCC 1520 000000 11213141516 27 T TR icates the terminal block letter at inside indicates the terminal number 2 A dotted 3 p indicates the control P C board 2 02437 1 2 3 Indoor control board CN061 WHI YEL 112131456 CN032 WHI Fan drive Symbol 9009900 614131112 6141371 12434756 BLU 1 1213 415 6 2 112131415 6 CNO60 WHI Option Parts name FM Fan motor RC Running capacitor TR Transformer LM Louver motor TA ndoor temp sensor TC1 TC2 TCJ Temp sensor 001 Louver control relay RY002 Drain control relay RY004 Heater control relay RY005 007 Fan motor control relay FS Float switch line and broken line indicate the wiring at site DM Drain pump motor PMV Pulse Motor Valve edAj 11 5 ABA Z 2 1 2 HALSLOdV HALOEOdV HALZZOdV HMLSLOdV HALGLOdV HALZLOdV HAL600dV 004 RY002 6 RY001 Indoor control PC board a
197. SV5 circuit error Outdoor P C board error Operation error of check valve of main discharge pipe Refrigerant overcharge P20 22 High pressure protective operation 407 AI NET NO Are service valves fully opened Open service valves fully Are characteristics of NO Check parts high pressure sensor normal Failure Replace Reset power supply and start a test Cooling To operation corresponded to the season Heating To C 1 Pressure by pressure gauge Check joint 2 Pressure display on 7 segment display Cooling operation 3 Output voltage of I F P C board If 1 and 2 3 are different an error of pressure sensor is considered If 2 and 3 are different check I F P C board Does cooling outdoor fan NO Correct faultv parts normally operate y parts YES YES Is there no fan crack or coming off Correct faulty parts NO Connector connection fan IPDU fan motor cabling NO Is outdoor PMV normal Correct faulty position Connector connection wiring coil mounting valve clogging etc Is there a cause to interfere operation YES of heat exchanger of outdoor unit 1 Heat exchanger clogging 2 Air short circuit Eliminate the interfered causes Is SV2 circuit normal iin Repair SV2 circuit Coil error clogging disconnection of cable etc Is 5 4 circuit normal Coil error clogging disconnection of cable etc NO Do
198. SW03 to 1 Section A Section B Section A Displays the corresponding indoor address Section B Displays 11 for 5 seconds from operation ON Individual stop Stops the specified indoor unit Note The other indoor units keep the status as they are Setup Push SWO5 for 2 seconds or more set 5 01 16 and set SW02 and SW03 to address No 1 to 64 to be stopped Release Return SW01 SW02 SW03 to 1 Section A Section B Section A Displays the corresponding indoor address Section B Displays 00 for 5 seconds from operation OFF Individual test operation Operates the specified indoor unit Note The other indoor units keep the status as they are Setup Push SWOA for 10 seconds or more set SW01 16 and set SW02 and 5 03 to address No 1 to 64 to be operated Release Return SW01 SW02 SW03 to 1 Section A Section B Section A Displays the corresponding indoor address Section B Displays FF for 5 seconds from test operation ON NOTE 1 This start stop function only sends the signals from the outdoor unit to the indoor unit such as start stop operation mode etc It does not resend the signals even if the indoor unit does not follow the sent signals NOTE 2 The above controls are not used during abnormal stop Interface P C board i B 11v 29 7 segment display A
199. SWO3 1 Release Return SW01 SW02 SW03 to 1 7 segment display Section B C Section A C Heating test operation Changes the mode of all the connected indoor units collectively to heating test operation Note Control operation same as usual test operation from remote control is performed Setup Push SW04 for 2 seconds or more with SW01 2 SW02 6 SW03 1 Release Return SW01 SW02 SW03 to 1 Section B H Section A H Batch start Starts all the connected indoor units collec tively Note The contents follow to the setup of remote controller Setup Push SWOA for 2 seconds or more with SWO01 2 SW02 7 SW03 1 Release Return SW01 SW02 SW03 to 1 Section A Section B CH 11 11 is displayed on Section B for 5 seconds Batch stop Stops all the connected indoor units collec tively Setup Push SWO5 for 2 seconds or more with SW01 2 SWO2 7 SW03 1 Release Return SW01 SW02 SWOS to 1 Section A Section B CH 00 00 is displayed on Section B for 5 seconds Individual start Starts the specified indoor unit Notes The contents follow to the setup of remote controller The other indoor units keep the status as they are Setup Push SWOA for 2 seconds or more set 5 01 16 and set SW02 SW03 to address No 1 to 64 to be started Release Return SW01 SW02
200. TCB SC642TLE etc Central control mode 1 Cannot operate Central control mode 2 Cannot operate stop select mode set up temp Central control mode 3 Cannot select mode set up temp Central control mode 4 Cannot select mode 3 RBC AMT21E Wired remote controller While mode is the central control mode g CENTRAL lights on the display part of the remote controller 67 If operation is performed from the remote control CENTRAL CONTROL mode the status is notified with receiving sound 6 2 Outdoor Unit 6 2 1 Operation Start Operation End The compressor solenoid valve pulse motor valve PMV outdoor fan etc are controlled by a command from the indoor controller The follower outdoor unit starts stops by a command from the header outdoor unit Operation explanation and applied data etc Remarks Pulse Motor Valve 1 PMV control using two PMV 1 and 2 In heating operation control 1 PMV Pulse Motor Valve is controlled between 90 to 2 is 0 pulses and 1000 pulses during operation PMV may be controlled by 2 In cooling operation PMV opening is controlled PMV only with the minimum 45 pulses based upon detected TL sensor temp and detected Pd pressure value Under Cool control 3 In heating operation PMV opening is controlled based upon detected TS and TD sensor temp and detected PS pressure value Super Heat control 4 Close fully PMV opening when ther
201. TK1 sensor detached NO Is there no miscabling or misinstallation on TK1 TK2 TK3 TK4 sensors NO Are characteristics of TK1 sensor NO Outdoor unit temp sensor characteristics 4 YES Error Correct miscabling misinstallation YES TK1 CN514 TK2 CN515 Characteristics 4 TK3 CN516 TK4 CN523 Start a test operation in COOL or HEAT mode Replace clogged part TK1 sensor temp is displayed on 7 segment display with SW01 02 03 1 11 2 Check TK1 sensor temp approx 10 minutes after compressor 1 has operated If low temperature continues approximately outside temp or temperature does not almost change a clogging of strainer of oil equalization circuit Compressor 1 clogging of capillary tube or malfunction of check valve is considered No error Strainer Capillary tube TK1 Check the clogging of SV3E valve Error oitank Note 1 Note 1 Refer to item HO7 error Replace SV3E valve No error Check P C board 178 Check code name Check code name Cause of operation H16 d7 Oil level detective circuit system error Detachment of TK2 sensor miscabling d07 AI NET Sub code 02 characteristics error of resistance value Oil equalization circuit error Check valve capillary clogging strainer clogging Refrigerant stagnation in compressor shell YES Is not TK2 sensor detached Correct installation of sensor NO Correct misc
202. TO is counted and displayed on 7 degment display 5 When U 1 is displayed 7 segment display the setup operation finished Turn off the indoor outdoor power 6 Return the following setup as before Relay connector SW30 2 SW01 02 03 102 8 4 4 Check after Address Setup When Central Control System is Connected When the central control system is connected check the following setup has finished after address setup Other refrigerant line 3 phase 380 415V Leak interception Main switch u1 02 Indoor unit T 1 el ur EE V 1 phase 230V Leak interception Main switch Remote Remote Remote controller controller controller Main check items Check 1 Is relay connector of the header unit connected after address setup Relay connector 2 Is relay connector of the follower unit removed 3 Is the end resistance SW03 2 of the header unit with the least address number in the central control line turned on Terminal Setup is unnecessary for follower unit resistance 4 Are the terminal resistance SW30 2 of the header units in except the line of which central control line address is the smallest turned off Setup is unnecessary for follower unit 5 Are not addresses in the line address SW13 SW14 duplicated in Eine each refrigerant line NOTE The above table does not describe all the electric cablin
203. U3 U4 terminals of each refrigerant line The communication line of the central control system may be connected to the communi cation lines of the indoor outdoor communication lines Is the terminal resistance SW30 2 on the interface P C board of the header unit turned on Set up at shipment from the factory After address setup turn off SW30 2 of the header unit except the smallest unit after check of trial operation Is the end terminal of the shield cable grounded When the refrigerant line and the central control system of the custom air conditioner are connected Are TCC LINK adaptors correctly connected When the digital inverter air conditioner operates with group operation twin or triple operation are the adopters connected to the header unit of the indoor unit NOTE The above figure does not show all the electric cables For details refer to the installation manuals for outdoor unit indoor unit remote controller or optional devices 89 Check list 1 gt Using the Check list 1 check there is no trouble in the installation work Is capacity of the leak Outdoor total capacity Header unit A breaker appropriate Follower unit B Follower unit C Follower unit D Indoor unit Is diameter of the power cable correct Header unit A Follower unit B Follower unit C Follower unit D
204. Unit issuing check code Corresponding unit Check code to be detected High pressure protective operation Low pressure protective operation Discharge temp error Phenomena Corresponding unit High pressure up Low pressure down Discharge temp up Check valve of main discharge pipe collective section Corresponding unit High pressure protective operation High pressure SW system error Abnormal high pressure up Check valve of discharge pipe Corresponding unit High pressure SW system error Abnormal high pressure up Check valve of oil equalization circuit Capillary Strainer Corresponding unit Oil level detective circuit error Oil level down error Oil equalization circuit error or oil shortage judgment SV3A valve Other connected unit il level down error Excessive oil amount SV3B valve Corresponding unit il level down error Shortage of oil amount SV3C valve Other connected unit il level down error Excessive oil amount SV3D valve SV3D valve circuit capillary Strainer Corresponding unit il level down error Shortage of oil amount SV3E valve Corresponding unit level detective circuit error level down error Oil equalization circuit error Judgment of shortage Shortage of oil amount Oil return capillary Corresponding unit il level down error Shortage of oil amount SV3C bypass capillary Trouble with leakage Pa
205. V to 650 V Between White and Black 400 V to 650 V Between Black and Red 400 V to 650 V After checking the output when connecting the compressor lead again to the compressor terminal check surely there is no distortion on the fasten terminal lug If it is loosened caulk it with pinchers etc and then connect lead to the terminal How to check resistance of compressor winding 1 Turn off the power supply 2 Remove the compressor lead cables from the compressors In each compressor check the winding resistance between phases and resistance of the outdoor cabinet using a tester s not it earthed Normal if 10M or are measured s not shorted between windings Normal if 0 7Q to 0 90 are measured Use a precise digital tester How to check the external fan motor Turn off the power supply Take off three connectors U V W from the external fan IPDU P C board Turn the fan with hands If the fan does not turn it is a fan motor error Lock Replace the fan motor If the fan turns measure the winding resistance between the phases of the connector Motor winding with a tester If 13 to 330 are measured it is normal Use a digital tester CO IO 148 9 5 Diagnosis Procedure for Each Check Code Check code Check code name Cause of operation E01 Communication error between Remote controller inter unit cable error 907 AI NET indoor and remote controller Indoor p
206. V3B X GUS LINE SVSA 29 5 VALVE SERVICE STRAINER VALVE CHECKED 5 6HP VALVE BALL 2 SLHLOOLdVIN SLHLOSOdVIN 8LHL090dVIN amp LHEOSOd VIA AINTN v8 AN 717 A709 A713 A 708 A719 AN 707 A 704 SLHLOOLdVIN feLHEOSOdVIW 8LHL090dVIN 8LHLOSOdVIN AIWIN Location Part No Description Model Name MMY No MAP1201HT8IMAP1001HT8IMAP0801HT8IMAP0601HT8IMAP0501HT8 36746547 VALVE CHECH 43019904 HOLDER SENSOR 43041781 COMPRESSOR DA421A3FB 23M 43041782 COMPRESSOR DA351A3FB 23M 43046391 VALVE PACKED 9 52 43046393 VALVE PACKED 12 7 43047401 BONNET 3 8 IN 43047527 TUBE CAPILLARY ID 2 0x200L 43063332 HOLDER SENSOR 43049683 BAND 43050407 THERMOSTAT BIMETAL 43063317 HOLDER THERMOSTAT 43100265 CABINET UP 43119466 GUARD FAN 4311M423 MARK TOSHIBA 43120219 FAN PROPELLER 43121705 MOTOR FAN DC280V 43146495 VALVE CHECKED 43146652 COIL VALVE 2WAY 43146581 VALVE CHECKED BCV 302DY 43146588 JOINT CHECK 43046348 COIL SOLENOID 43146651 COIL VALVE AWAY 43146592 VALVE GAS 43146595 VALVE 2WAY 43146596 VALVE 4WAY 43146613 VALVE BALL 43146618 VALVE 4WAY STF 0401G 43146635 VALVE 4WAY 43146636 VALVE AWAY 43146637 VALVE CHECK 43146638 VALVE PMV 43146642 COIL PMV 43147195 BONNET 1 2 IN 43147716 STRAINER
207. abling misinstallation ls there no miscabling or misinstallation N YES ie UM 2 5 on TK1 TK2 TK3 TK4 sensors TK3 CN516 NO TK4 CN523 Are characteristics of TK2 sensor resistance value normal YES NO Outdoor unit temp sensor characteristics 4 YES Does OCR of MG SW operate Reset OCR manually 2 NO After power reset Start a test operation in COOL or HEAT mode Replace clogging part Y TK2 sensor temp is displayed on 7 segment display with SW01 02 03 1 12 2 Y Check TK2 sensor temp approx 10 minutes after compressor 2 has operated If low temperature continues approximately outside temp or temperature does not almost change a clogging of strainer of oil equalization circuit clogging of capillary or malfunction of check valve is considered Compressor 2 No error Capillary tube Check the clogging of SV3E valve Error Oil tank 7 1 Refer to item H07 error No error Replace SV3E valve 2 f OCR operates even after manual reset of OCR check whether the wiring to the current sensor TO2 of Comp IPDU is correct or not Check P C board 179 Check code name Check code name Cause of operation H16 d7 TK3 temperature detective circuit error 1 Detachment of TK3 sensor miscabling d07 AI NET Sub code 03 characteristics error of resistance value Error of SV3C valve circuit periphery Check capillary clogging strainer clogging Refrig
208. ace TE1 sensor Outdoor heat exchanger temp sensor TL sensor sensor between liquid tanks of outdoor PMV1 2 166 Check code name Check code name Cause of operation F16 43 Outdoor pressure sensor miscabling 1 High pressure Pd sensor and low d07 AI NET Pd Ps pressure sensor Ps are exchanged 2 Output voltage of each sensor is zero NO Correct connection of connectors Pd sensor CN501 Red Ps sensor CN500 White Are connection of Pd sensor and Ps sensor connectors correct YES Are output voltage characteristics of NO SSnsoF efor y Replac Pd sensor and Ps sensor normal p YES 1 Pressure Check joint by pressure gauge 2 Pressure display on 7 segment display 3 Output voltage of P C board If 1 and 2 3 are different an error of pressure sensor itself is considered If 2 and 3 are different check interface P C board NO Check compressor Value can be confirmed by 7 segment display function on outdoor I F P C board Pd 5 01 02 03 1 1 2 Ps SW01 02 03 1 2 2 Are Pd Ps output values Pd Ps during compressor operation YES Check outdoor P C board Defect Replace 167 Check code name code name Check code name Cause of operation F23 43 Ps sensor error Output voltage error of Ps sensor d07 AI NET Is connection of Ps sensor connector correct NO Correct connection of connector YES Connector CN500 Wh
209. ace P C board to numbers as follows SWO01 2 SW02 1 SW03 15 7 segment display t 0 7 segment display TO sensor value 7 segment display TO sensor value NOTE Emergent operation should be restricted to one day or so on If operating TO sensor fixed with this function the system control operation of the air conditioner may not become one based upon the specification of the product Therefore an emergent operation should be restricted to a day or so on 2 Keep pushing the push switch SW04 on the interface P C board for 1 second or more The mode changes to the TO sensor value fix manual mode 3 As shown in the following table TO sensor value be fixed by setting the rotary switch SW02 on the interface P C board Clear Return numbers of SW01 SW02 and SW03 on the interface P C board in the outdoor unit to 1 1 1 each Service support function list 7 segment display A Function contents Refrigerant circuit and control communication line check function Cooling operation Refrigerant circuit and control communication line check function Heating operation Indoor PMV forced full open function Indoor remote controller discriminating function Cooling test operation function Heating test operation function Indoor collective start stop ON OFF function Outdoor refrigerant recov
210. after Setup is OFF after of indoor outdoor communi unnecessary unnecessary cation line central control communication line Connect short Connect short short Connect short Relay connector after Open after Open after address setup address setup address setup Indoor side Automatic setup Line address Indoor unit address Group address After address setup Relay connector NOTE Never connect a relay connector until address setup for all the refrigerant lines finishes otherwise address cannot be correctly set up 96 Manual address setup from remote controller In case to decide an address of the indoor unit prior to finish of indoor cabling work and unpracticed outdoor cabling work Manual setup from remote controller Arrange one indoor unit and one remote controller set to 1 by 1 Turn on the power Wiring example in 2 lines 1 2 p Line address 1 Indoor address 1 Group address 1 2 3 1 2 2 2 2 2 L _L Termina 2 1 Header In the above example under condition of no inter unit wire of the remote controller set the address after individual connect ing of the wired remote controller Group address Individual 0000 Center unit 0001 Terminal unit 0002 In case of group control Operation procedure 1 23456 1789 10 11 SET DATA PUMA TN mt lo
211. al tools 1 Vacuum pump Use vacuum pump by attaching vacuum pump adapter 2 3 4 5 6 Also prepare the following equipments for other installation method and run check 1 2 Torque wrench Pipe cutter Reamer Pipe bender Level vial Clamp meter 2 Thermometer Hexagon wrench Opposite side 4mm Tape measure Metal saw 3 IInsulation resistance tester 4 Electroscope 5 Recharge of Refrigerant When recharge of the refrigerant is required charge the new refrigerant with the specified amount in the procedure as described below Recover the refrigerant and check there is no refrigerant in the equipment Leave it as it is for 1 to 2 minutes and check the indicator of the compound gauge does not return Connect the charge hose to the packed valve service ports at gas side liquid side and balance side of the outdoor unit Set the refrigerant tank on the electron balance connect the connecting hose to connecting ports of the cylinder and the electron gauge and then charge the liquid refrigerant from the service port at liquid side Shield with the gauge manifold so that refrigerant does not flow to gas side Connect the charge hose to vacuum pump adaptor Open the packed valves of the balance pipe fully at liquid and gas Charge the refrigerant as below sides and then return the valve at gas side a little to the closed side
212. alve body 5 Outdoor I F P C board NO Connector CN300 301 White Repair outdoor PMV YES Are characteristics of NO i resistance normal Refer to Outdoor unit temperature YES Y Replace TD1 sensor sensor characteristics 4 Does not discharge refrigerant gas bypass to suction side through 4 way valve NO Check 4 way valve YES SVA circuit 1 Are SV41 SV42 valve coils installed reversely 2 115 there no leakage through SV41 circuit NO Correct installation of valve coil or replace SV41 valve NO Are not indoor units of different refrigerant circuit connected YES YES Y Correct wiring Check with miswiring check function of outdoor unit Refrigerant shortage clogging pipe breakage Check there is no pipe breakage and then recharge the refrigerant 188 Check code name Check code name Cause of operation P04 21 Actuation of high pressure SW High pressure SW error d07 AI NET Service valve closed Pd sensor error Indoor outdoor fan error Indoor outdoor PMV choke Indoor outdoor heat exchanger clogging air short circuit SV2 circuit error SV4 circuit error SV5 circuit error 10 Discharge line check valve malfunction 11 Refrigerant overcharge Sub code 01 Compressor 1 side 02 Compressor 2 side Note High pressure SW is normally closed B c
213. and communication adaptor Check remote controller and communication adaptor wiring Indoor unit Indoor outdoor communication circuit error Detected at indoor side Corresponding unit only stops Indoor unit does not receive communication from outdoor unit Check power ON order of indoor outdoor Check indoor address setup Check inter unit cabling between indoor and outdoor Check outdoor end terminal resistance setup SW30 2 No of indoor units which received signal normally Decreased number of indoor units All stop When signal is not sent for a certain period from the indoor unit which has been used to send signals E06 is normally displayed Check the power supply of indoor unit Power ON Check connection of communication line between indoor and outdoor Check connector connection for communication in indoor P C board Check connector connection for communication in outdoor P C board Check indoor P C board failure Check outdoor P C board I F failure Indoor outdoor communication circuit error Detected at outdoor side All stop Transmission from outdoor to indoor cannot continue for 30 seconds Check outdoor end terminal resistance setup SW30 2 Check the communication connection between indoor and outdoor Duplicated indoor addresses Indoor VF Duplicated indoor addresses stop Multiple indoor unit address setup are duplicated Chec
214. are connectable 1 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor is installed to only 8 Nome for high wall spearate Sold parts for under ceiling one unit lt uBip 9dAI adAL piepuels jong D9IB9OuO ed 1 5 eDueuosiq Aem p gt 9IIO1UO SS9 9JIM JO 5 72 212 Central control X remote controller communication Option Y Indoor unit Network adaptor Option Remote controller communication circuit AI NET circuit 3 Indoor I 9 I 9 Indoor control P C board MCC 1403 Remote DC20V controller communication circuit DC12V DC5V Wireless remote controller kit Remote controller communication circuit Sensors Display section motor 4 Float input lone for Concealed Duct Outside output Transformer ES 2 Indoor Outdoor Ul 02 communication Power supply 1 200 240V 50Hz 1 220V 60Hz 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 wireless remote controller kits are connected maximum 7 units are connectable 2 The network adaptor i
215. ata Data is displayed in Symbol Negative data is displayed as Data TE sensor data Symbol Data Symbol Data TL sensor data Symbol Data TO sensor data Symbol Data TK1 sensor data Symbol Data TK2 sensor data Symbol Data sensor data Symbol Data TK4 sensor data Symbol Data TD2 sensor data TS sensor data 4 Data display of outdoor cycle Displayed on the header unit This method is used when information of the follower unit is displayed on 7 segment display of the header unit Display contents U SW03 setup number 1 number Outdoor unit number U2 to U4 Check code is displayed Latest check code only No check code Error data Installed compressor type U SW03 setup number 1 number Outdoor unit number U2 to U4 Outdoor unit capacity U SW03 setup number 1 number Outdoor unit number U2 to U4 8 10HP 1 0 5 to 12HP Compressor operation command U SW03 setup number 1 number Outdoor unit number U2 to U4 No 1 compressor ON C10 No 2 compressor ON C01 For unconnected compressor is displayed Fan operation mode U SW03 setup number 1 number Outdoor unit number U2 to U4 Stop
216. aterials For the refrigerant pipes copper pipe and joints are mainly used It is necessary to select the most appropriate pipes to conform to the standard Use clean material in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe lt gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for it is recommended to select Copper or copper base pipe without seam and one with bonded oil amount 40mg 10m or less Also do not use crushed deformed discolored especially inside pipes Impurities cause clogging of expansion valves and capillary tubes Flare gt Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for joints of the copper pipe The joints are rarely used for installa tion of the air conditioner However clear impurities when using them 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as generation of sludge clogging of capillary etc Accordingly the tools to be used are classified into the following three types 1 Tools exclusive for R410A Those which cannot be used for conventional refrigerant R22 2 Tools exclusive for R410A but can be also used for conventional refrigerant R22 3 Tools commonly used for R410A and for conventional refrigerant R22
217. charge Outline of specifications 1 In heating operation the upper limit of the fan tap is set by one with higher temperature of TC2 sensor and TCJ sensor When B zone has continued for 6 minutes the operation shifts to C zone In defrost time the control point is set to 6 C A zone OFF 32 B zone Over 26 below 28 C LOW C zone Over 28 C below 30 C MED D zone Over 30 C below 32 C HIGH E zone Ultra HIGH Remarks In D and E zones priority is given to remote control ler air speed setup In A and B zones amp i displayed Freeze preven tion control Low temp release 1 In cooling operation the air conditioner operates as de scribed below based upon temp detected by TC1 TC2 and TCJ sensors To prevent the heat exchanger from freezing the operation stops When J zone is detected for 5 minutes the command frequency becomes 50 to the outdoor unit In zone the timer count is interrupted and held When I zone is detected the timer is cleared and the operation returns to the normal operation When the command frequency became 50 with continua tion of J zone operation of the the indoor fan in LOW mode until it reaches the zone It is reset when the following conditions are satisfied Reset conditions 1 TC1 gt 12 and TC2 gt 12 and gt 12 2 20 minutes passed after stop P
218. ck code Check code name Cause of operation F01 OF Indoor TCJ sensor error TCJ sensor Open Short 907 AI NET NO Correct connection of connector NO Replace TCJ sensor Indoor unit temperature sensor characteristics See Characteristics 2 Is TCJ sensor connector CN102 Red on indoor P C board normally connected YES Are characteristics of TCJ sensor resistance value normal YES Check indoor main P C board Defect Replace Check code Check code name Cause of operation F02 0d Indoor TC2 sensor error TC2 sensor Open Short 407 AI NET NO Correct connection of connector NO Replace TC2 sensor Indoor unit temperature sensor characteristics See Characteristics 2 Is TC2 sensor connector CN101 Black on indoor P C board normally connected YES Are characteristics of TC2 sensor resistance value normal YES Check indoor main P C board Defect Replace 163 Checkcode code Check code name Cause of operation 203 93 Indoor TC1 sensor error TC1 sensor Open Short d07 AI NET ls TC1 sensor connector CN100 Brown on indoor P C board normally connected Comect connection okeonnector Are characteristics of TC1 sensor NO YES Indoor unit temperature sensor characteristics Check indoor main P C board Defect Replace See Characteristics 2 Checkeode _ code Check code name Cause of operation F04
219. d IPDU board Keep OFF for the main power supply of the unit In case of trouble on the refrigerant circuit parts system Pressure sensor temperature sensor refrigerant circuit parts fan system parts Turn on the power supply to protect the compressor Case heater ON Although E19 Outdoor header unit quantity error is displayed on 7 segment display after turning on the power supply of the unit it is not a problem because it is only interruption of communication with the header unit 229 Setup for the header unit 7 Error clear is set up from the header unit 1 Check U1 E26 Decrease of No of connected outdoor units is displayed on 7 segment display under condition that the rotary switches SW01 02 03 are set to 1 1 1 on the interface P C board 2 Set the rotary switches SW01 02 03 on the interface P C board to 2 16 1 and then push the push SW04 for 5 seconds or more after Er have been displayed on 7 segment display 3 Er CL are displayed on 7 segment display Error clear completes 4 Return SW01 02 03 to 1 1 1 It is normal if U1 are displayed 897 __ in ck eee ee ee Interface P C board of the header unit 7 Set rotary SW01 02 03 to 1 1 1 U1 E26 are displayed n ig AE arma i as assa paso Set rotary SW01 02 03 to 2 16 1 me re Push SW04 are displayed Mam Push the push SW04 for 5 seconds or more Er CL are di
220. d TCB PCMO2E Outdoor unit destination to be connected becomes the header outdoor unit U1 SMC Cooling Mode Select switch 7 2 2 4 External master ON OFF control Header outdoor unit interface P C board Procured locally Operation The outdoor unit starts or stops the system Terminal Input signal Operation Starts collectively indoor units Stops collectively indoor units The control contents are accepted during trailing of the input signal The status of trailing should be held for 100mm sec or more NOTES 1 Do not turn on COOL and HEAT terminals concurrently 2 Be sure to prepare a contact for each terminal Outside signal No voltage pulse contact External master ON OFF control board TCB PCMO2E Outdoor unit destination to be connected becomes the header outdoor unit U1 SMH Heating Mode Select switch 86 7 2 2 5 Night Operation Control Header outdoor unit interface P C board CN508 4P RED Connection cable External master control board Procured locally Operation The noise decreases in the night Terminal Input signal Operation Night sound reduction operation control Usual operation The control contents are accepted during leading and trailing of the input signal The status of leading and trailing should be held for 100mm sec or more Capacity criterion during night operation control Capacity during c
221. d each follower unit 1 Contents of control The compressor stops when Pd pressure is over 3 5MPa Case heater control The case heater output includes compressor case heater and accumulator case heater This control is to prevent accumulation of refrigerant in the compressor case by turning of the power of heater while the compressor stops and it is executed in all the outdoor units If electricity is not turned on for a specified time before the test run after installation a trouble of the compressor may be caused When the power has been interrupted for a long time and the operation starts from the status as it was it is desirable to turn on the power before start of operation as per the test run time This control is used often together with the compressor winding heating control In this case the power sound may be heard but it is not a trouble 1 Contents of control Turns on during compressor OFF Turns off when the detected TO sensor temp is 28 C or higher and turns on when it is 25 or lower The operation continues for 10 minutes after compressor OFF changed to compressor ON IPDU control IPDU controls the inverter compressor by command frequency frequency up down speed and current release control value from the interface P C board The main controls of IPDU control P C board are described below 1 Current release control The output frequency is controlled by AC input current value w
222. ddress setup Correct the line address setup qu Are communication cable connections of U1 U2 03 04 and 05 U6 normal Correct the cable connection Check outdoor I F P C board Failure Replace Re set up the address Refer to Address setup _ Check codename _ Check codename Chekcodemme code Cause of operation of Cause of operation L05 96 Duplicated indoor units with priority 1 Two or more prior indoor units exist d07 AI NET Displayed on indoor unit with priority This check code is displayed on the set indoor unit when setup of indoor unit with priority is duplicated Priority setup with two or more units is not available Choose one prior unit in one refrigerant circuit system 182 Check code name Check code name Cause of operation L06 96 Duplicated indoor units with priority Two or more indoor units with priority d07 AI NET Displayed on the indoor unit other than are duplicated one with priority and on the outdoor unit Sub code No of indoor units with priority M When indoor unit with priority is duplicated this check code is displayed on the unit other than the setup indoor unit and outdoor unit As only one indoor unit with priority is valid change the setup Check code name code code Checkcodename code Checkcodename
223. der follower units to confirm whether the setup contents are correct or not and then check also the refrigerant circuit system by a test operation etc Exchange procedure Method 1 Before exchange it is possible to turn on power of the indoor unit and read out the setup contents from the wired remote controller Readout of EEPROM data Procedure 1 Exchange of P C board for service amp power ON Procedure 2 Writing in of the readout EEPROM data Procedure 3 Power supply reset All the indoor units connected to the remote controller in case of group operation control 259 Method 2 Before exchange it is impossible to read out the setup contents due to EEPROM error Exchange of P C board for service amp power ON Procedure 2 Writing in of the setup data such as the model name capacity code indoor unit address high ceiling setup connection setup of option etc to EEPROM based upon customer s information Procedure 3 Power supply reset All the indoor units connected to the remote controller in case of group operation control Procedure 1 Readout setup contents from EEPROM Contents of EEPROM with setup changed at local site include setup at shipment from the factory are read out 1 Push buttons simultaneously for 4 seconds or more 1 n a group operation control the firstly displayed unit No indicates the header indoor unit No In this case is displayed in the item code DN The fan of the selected
224. der unit Operation procedure Be sure to turn on power at the indoor side before power ON of outdoor unit If an error is already displayed under condition of SWO1 1 SW02 1 SWO3 1 return the status to normal one according to troubleshooting and then execute a test operation The unit which is not given with priority by heating priority control cooling priority control and selection of cooling or heating mode is not operated In this case or d is displayed on the remote controller Set up the operation mode of the remote controller If it is not set up the operation starts with the current mode Match the rotary switch on the interface P C board of the header unit with in the following table 7 segment display A B Address display of corresponding indoor unit 00 is displayed for 5 seconds after operation ON 7 segment display Push the push switch SW04 on the interface A B P C board of the header unit for 2 seconds or more 1 If pushing this switch continuously for 10 seconds es Grad or more the operation changes to the individual Address display of 11 is displayed for ar test operation corresponding indoor unit 5 seconds after operation ON For individual test operation FF is displayed 1 Operation check If the discharge air temperature does not change The indoor unit to be started operates though COOL or HEAT has b
225. dicates a status that the card is taken out oO ro P oO 0M Indoor control P C board Power supply Outside contact Card switch box etc Procured locally Note Determine the cable length between the indoor control P C board and the relay within 2m B Power peak cut from indoor unit When the relay is turned on a forced thermostat OFF operation starts Wiring example Relay procured locally CN73 Note Determine the cable length between the indoor or outdoor control PC board and the relay within 2m plug RED Relay coil signal Indoor control P C board 79 7 2 Outdoor Unit 7 2 1 Applied Control in Outdoor Unit The following functions become available by setting the switches on the outdoor interface P C board Switch position magnified drawing SW11 EE p Bit 1 Bit2 For setup of cooling priority a L heating priority control j LI ip Freer LER SR d A Jal num id 7 n TOT SW10 For setup of outdoor fan high static pressure shift 80 7 2 1 1 Outdoor fan High Static Pressure Shift B Usage Features This function is set when connecting a duct to discharge port of the outdoor unit Setup Turn Bit 2 of the Dip sw
226. displayed on 7 segment display A Push SW04 on the interface P C board of the header unit for 2 seconds or mre 0 Start TEST is displayed on the remote controller of the indoor unit to be operated Check that is displayed on 7 segment display B on the interface P C board of the header unit zc Be sure to turn on power at the indoor side before power ON of outdoor unit Return SW01 5 02 SW03 on the interface P C board of the header unit to 1 1 1 respectively or push the push switch SW05 for 2 seconds or more SW01 SW02 SW03 Rotary switch NOTE The test operation returns to the normal operation after 60 minutes 115 3 Batch start stop ON OFF function This function is provided to start stop collectively all the indoor units connected to the same system by using switches on the interface board of the header unit Operation procedure Be sure to turn on power at the indoor side before power ON of outdoor unit Set up the operation mode of the remote controller If it is not set up the operation continues with the current mode FAN COOL HEAT Set on the interface P C board of the header unit SW01 to 2 Sw02 to 7 and SWOS to 1 respectively CH 15 displayed on 7 segment display A Push SW04 on the interface P C board of the header unit for 2 seconds or more Push the push
227. door Outdoor Air temp condition DB WB This compressor is driven with 4 pole motor The value of the compressor frequency Hz measured by a clamp meter is two times of the rotation count rps of the compressor This data is the cycle data under condition of the standard pipe length and two 4 way Air Discharge Cassette type air conditioners connected Data changes according to installed pipe length combination of indoor units or connected indoor capacity For a compressor the left side is 1 and the right side is 2 viewed from the front side Even if two compressors operate the frequency difference may be a little set as measures against resonance The temperature of indoor heat exchanger TC indicates TCJ sensor temperature in cooling time and TC2 sensor temperature in heating time respectively 2 Criterion for operating pressure General criterion is as follows High pressure 2 0 to 3 2MPa Indoor 18 to 32 C Low pressure 0 5 to 0 9MPa Outdoor 25 to 35 C High pressure 2 5 to 3 3MPa Indoor 15 to 25 C Low pressure 0 5 to 0 7MPa Outdoor 5 to 10 C When all the units operate in cooling mode When all the units operate in heating mode Using the rotary switch on the outdoor unit the operating pressure cycle temperature and compressor rotation count can be checked on 7 segment display Refer to Outdoor refrigerant circuit system data display and Indoor cycle
228. door and outdoor Detected at indoor side Indoor No of indoor units in which sensor has been normally received Decrease of No of indoor units VF Communication circuit error of indoor and outdoor Detected at outdoor side Vr Indoor VF Remote controller Duplicated indoor addresses Duplicated indoor addresses Duplicated master remote controllers Communication error in indoor P C B ass y Indoor 01 Indoor Outdoor communication 02 Communication between outdoor units Automatic address start error VF No indoor automatic address VF 00 Capacity over 01 No of connected units No of connected indoor units Capacity over VF Communication error between indoor header and follower units indoor 00 No header unit 02 Two or more header units Outdoor header units quantity error VF 01 Outdoor of other line connected 02 Indoor of other line connected Other line connected during automatic VF address Sending error in communication between outdoor units Duplicated follower outdoor addresses VF No of outdoor units which received signal normally Decrease of No of connected outdoor units VF uu u e uu 00 2 2 oo eee Detected outdoor unit number Follower outdoor error VF 01 IPDU1 error 02 IPDU2 error 03 IPDU1 2 error 04 Fan IPDU
229. door Unit This function is provided to forcedly open or close fully PM V PMV1 PMV2 used in the outdoor unit for 2 minutes Open fully Short circuit for CN30 on the outdoor interface P C board Close fully Short circuit for CN31 on the outdoor interface P C board Clear After 2 minutes the opening returns to the normal opening Be sure to remove the short circuited as short pin etc after confirmation 121 8 7 7 Solenoid Valve Forced Open Close Function in Outdoor Unit This function is provided to forcedly open each solenoid valve mounted in the outdoor unit by the switch opera tion on the interface P C board in the outdoor unit to using this function check there is no refrigerant clogging with ON OFF operation of the solenoid valve Operation 1 Set the switch on the interface P C board SW01 to 2 SWO2 to 1 SW03 to 3 2 When is displayed in 7 segment display A keep pushing the switch SW04 for 2 seconds or more 3 From when 2 is displayed in 7 segment display B SV2 is turned on 4 After then ON and OFF of each solenoid valve are exchanged by changing the setup number of the switch SW02 ON OFF output pattern of each solenoid valve is as below NOTE 1 Display in 7 segment display B is exchanged just when the number of SW02 has been changed on the other hand the solenoid valve output is exchanged when SW02 has kept with the same number for 5 seconds or more NOTE 2
230. door and outdoor U1 U2 is the outdoor header unit Check connection of communication line between indoor and outdoor e Check outdoor board l F error Connection of outdoor of other line Connection of indoor of other line Other line unit connected during automatic address All stop Unit of other line was connected when indoor automatic address started Separate the cable between lines according to automatic address setup method in Address setup Communication sending error between outdoor units All stop Transmission of other outdoor unit was unavailable for 30 Seconds or more Check the power of outdoor unit Is the power turned on Check connection of communication wire or disconnection between outdoor units Check the connector for communication on outdoor P C board Check outdoor P C board error Check the end terminal resistance setup for communication between outdoor units 851 Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Check code name Duplicated outdoor follower address setup Status stop Error detection condition Outdoor addresses manually set up are duplicated Check item position Note Do not set up the outdoor address manually No of normally received outdoor units
231. duplicated Units except those displaying 204 are duplicated A header unit is not set up in a group Except group displaying E04 Set up address again Duplication of indoor addresses Address No in which sub code of the check code are duplicated Set up address again There is none of outdoor terminal resistance or there are two or more resistances After address setup when terminal resistance setup is changed after power ON SW30 Check SW30 bit 2 of the header unit No connection between multiple refrigerant lines SW30 bit 20N Connection between multiple refrigerant lines SW30 bit 2 of the connected header unit is turned on only in one line Transmission circuit error at interface side P C board failure Replace the interface P C board After address setup communication from all the indoor units interrupted under condition that a normal operation can be performed Check and correct disconnection of indoor outdoor communication line Communication line between header unit and the leading indoor unit Check influence of communication noise Exceeded No of connected indoor units or exceeded capacity Adjust No of connected indoor units or capacity Duplication of outdoor addresses Only when outdoor address was manually set up Do not use a manual setup for outdoor address No of connected outdoor units decreased When setting outdoor backup The power of follow
232. e EEPROM contents which are installed on the service P C board have been set up at shipment from the factory 1 Using temperature setup 4 vw Push buttons simultaneously for 4 seconds more 1 is displayed in the UNIT No box In this time 2 is displayed in the item code DN The fan of the indoor unit operates and also starts swinging in a model with flap Using tempergture setup Cw buttons the item code DN can be moved one step up 1 or down 3 one by one First set up the type and capacity code of the indoor unit The data at shipment from the factory is written in EEPROM by changing the type and capacity code 1 Set 2 to the item code DN As before 2 Using the timer time 4 buttons set up the type 4 For example 0001 indicates 4 way Air Discharge Cassette type Refer to the attached table 3 Push button OK if display goes on 4 Using temperature setup buttons set to the item code DN 5 Using the timer time 4 v buttons set up the capacity code For example 0012 indicates 80 class Refer to the attached table 6 Push button OK if display goes on 7 Push button to return to the normal stop status In the next the contents such as address setup which were set up at the local site after installation are written in EEPROM Execute again the operation in the above item 1 Using temperature setup 4 v buttons se
233. e compressor holds no oil the compressor mass is 23 5kg Adjustment of oil amount in the service compressor Adjust oil amount by the contents below Based on oil amount of troubled compressor A cc and oil amount of normal compressor B cc 1 In case of the total oil amount of the compressors B cc is 0 lt A B lt 2000 1 Adjust oil amount in the two service compressors to 1000cc each Total 2000cc Lay down the two service compressors and then extract oil by 900 cc from each oil equalization pipe NOTE Do not extract oil over 900 cc because a trouble may be caused on the compressor If oil amount of the troubled compressor is below 500cc a trouble on the oil equalization circuit etc is considered Check the compressor based upon 15 3 Check procedure search the cause of com pressor oil shortage 2 In case of total oil amount A B cc is 2000 lt A lt 3800 1 Adjust oil amount in the two service compressors to AB cc each Lay down the two service compressors and then extract oil by 3800 cc from each oil equalization pipe 3 In case of total oil amount of the compressors cc is 3800 lt 1 Adjust oil amount in the two service compressors to E cc each Insert a hose into the discharge pipe or oil equalization pipe of the service compressor and then add oil by pe 1900 using a funnel or so o
234. e fan of the outdoor unit with a trouble drives open the panel of the corresponding unit and then confirm the check code displayed with 7 segment 4 Perform the check operation based on the procedure of each check code diagnosis How to read the check monitor lt 7 segment display gt Me IL TL 205 1 Data display of system information Displayed on the header outdoor unit only Display contents Refrigerant name Displays refrigerant name Model with refrigerant R410A Model with refrigerant R407C 5 to 48 5to 48HP HP 1 to 4 1 to 4 units P 0 to 48 01048 units No of connected units CO to C48 0 to 48 units No of units with cooling thermo ON 0 to 48 0 0 48 units No of connected units HO to H48 0 to 48 units No of units with heating thermo ON Data is displayed with hexadecimal notation System capacity No of outdoor units No of connected indoor units No of units with cooling thermo ON No of connected indoor units No of units with heating thermo ON Compressor command correction amount Release control Normal time r During release control r1 Oil equalization control Normal time oiL 0 During oil equation 01 1 Oil equalization request Displays with segment LED lighting pattern U 2 0 Ww Pw PP Ww Pw P wl UU Display A Display B A F in the
235. e firstly displayed unit No indicates the 1 address of the header unit Only fan of the selected indoor unit is turned 2 on _ Operation procedure 3 Push button to finish the procedure 123 End All the indoor units in group control stop 98 To confirm all the unit numbers from an arbitrary wired remote controller Procedure Operation while the air conditioner stops The indoor unit No and position in the same refrigerant piping can be confirmed An outdoor unit is selected the indoor unit numbers in the same refrigerant piping are successively displayed and then its indoor unit fan is turned on 1 Push the timer time v F buttons simultaneously for 4 seconds or more Firstly the line 1 item code Address Change is displayed Select outdoor unit 2 Using buttons select the line address 3 Using SET button determine the selected line address The indoor unit address which is connected to the refrigerant pipe of the selected outdoor unit is dis played and the fan is turned on 4 Every pushing button the indoor unit 6 numbers in the identical pipe are successively displayed 1 Only fan of the selected indoor unit operates To select another line address 3 5 Push cL button to return to procedure 2 Operation procedure The indoor address of another line can be succes sively confirmed 1 gt 2 gt 3 gt 6 Push bu
236. e leakage misinstallation Discharge temp TD2 error All stop Discharge temperature TD2 exceeded 115 C Check full opening of outdoor service valves gas side liquid side Check clogging of outdoor PMV 1 2 Check characteristics of TD2 sensor resistance value Check 4 way valve error Check leakage of SV42 circuit Check SV4 circuit Miscabling and misinstallation of SV41 and SV42 Detected outdoor unit No 4 valve operation error All stop When abnormal refrigerating cycle data was detected in heating Error of 4 way valve error Check coil error and connector connection of 4 way valve Check characteristics of TS1 TE1 sensor resistance value Check characteristics of Pd Ps pressure sensor output voltage Check misconnection of TE1 and TL sensors Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Check code name High pressure protective operation Status All stop Error detection condition Pd sensor detected 3 6MPa or more Check item position Check Pd pressure sensor error Check full opening of service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers
237. e length refrigerant per liquid pipe 1m refrigerant by system capacity ee Firstly enter the total length for each liquid pipe in the following table and then calculate the additional amount of refrigerant by pipe length Additional amount of refrigerant by pipe length Pipe dia at Standard amount of refrigerant liquid side kg m Additional amount of refrigerant pipe dia at each liquid side kg Total pipe length at each liquid side 0 025 x 0 055 x 0 105 x 0 160 x 0 250 x 0 3505 x Additional amount of refrigerant by pipe length A Next refer to the following table for the corrective amount of refrigerant C by system capacity Corrective amount of refrigerant by system capacity Normal type System horse System horse power HP Corrective amount power HP Unit Unit Corrective amount of refrigerant C kg 4 ofrefrigerant C kg Lastly add the additional amount of refrigerant by pipe length A to the corrective amount of refrigerant by system capacity C It is the final additional amount of refrigerant As the result If minus sign is indicated do not add the refrigerant 0kg Additional amount of refrigerant Additional amount of refrigerant by pipe length A Corrective amount of refrigerant by system HP C Additional amount of refrigerant 91 8 3 Check at
238. e out the air filter Push the extrusion of the air filter to inside and pull out it to take out the air filter 3 Cleaning with water or vacuum cleaner If dirt is heavy clean the air filter by tepid water with neutral detergent or water After cleaning with water dry the air filter X 3 sufficiently in a shade place NI 4 Mount the air filter f 5 Close the suction port Close the suction port slide the clip outward and then fix it surely 6 Push 8 E display disappears The oil guard filter does not surely collect oil soot Cleaning of oil guard filter though it has an excellent endurance against oil 001 Clean the oil guard filter once per 2 weeks Button The cleaning interval for the oil guard filter is Clean the oil guard filter by tepid water with neutral calculated under environmental condition of oil soot detergent or water density 3 5mg m After cleaning with water rinse and dry the oil guard Adjust cleaning interval according to conditions of filter sufficiently in a shade place adhered oil soot or dirt 48 Cleaning of discharge louver The air outlet flap can be removed to clean if necessary 1 Remove the air outlet flap Holding the both ends of the air outlet flap remove it with sagging the center downward 2 Clean the air outlet flap with water If dirt is heavy clean the air outlet flap by tepid water with neutral detergent or water 3
239. e s CN324 SW11 SWi2 SWi3 SWi4 CN515 BLU YEL O 4RED PH Ho GRN ppqBLU BLK BLU Np3 CN15 CN13 CN23 SV3AI CR507 JE RY507 ONT 23 4 N1234 ONT ONT 232 NT 23 4 BLU BLK 9998 Uji 0099 J CN21 CN20 BLU WHI WHI CN313 YEL 5 SWO06 SW07 SW08 SWO9 5 10 RED BLUBLK SJ BLU D CON CR508 JE RY508 SW31 sYSJELUBLK Reactor 06 el elle CN523 du BIK ARAL CN314 BLK n tt 0 YEL BLU BLI GRN WO4 59 05 SWO6 68 gt CN 96 RS09 309 SW30 SW32 CN521 TL 7 CN316 WHI 5 00 nian Noise filter PTC Themistor Lu 0600 0601 0602 0603 0604 CN511 KKJ Option n MEC 1366 AU RED CR516 RY516 GRN q212 1 board 1366 Mg SW OCR 1 1 Hester SW01 5 02 SWO3 ip 1 1 1 22 2 CN315 BLU OO T Ro CR517 RY517 1 Flash 5 6 le T Heater 2 RY518 5 0 RY511 RY521 Maa ro otoa VU A1 A2 u TaN ana EZ N402 OCN04 9 lt 6 0 o Transformer CN22WH CN23 BLU GRY L3 LLLA CN600 WHI zler cR z T6 3A oo ERES CR521 FUSE 3 13 oe 06 A CN307 WHI g E s 1X X2CNS21 UA2XSX4CNS2S U A2 A Lok 42 1 21 14 131211 TY XA RED 1127577 x2 BLV 211 CX X51
240. e the operation mode to COOL or HEAT with Mode button Then change the fan speed to High using Fan button Test cooling operation Test heating operation Set temperature to 18 C using Temperature set Set temperature to 30 C using Temperature set button button After checking the receiving sound immediately After checking the receiving sound Pi immediately push Temperature set button to set to 19 C push Temperature set button to set to 29 C After checking the receiving sound immediately After checking the receiving sound Pi immediately push Temperature set button to set to 18 push Temperature set button to set to 3090 Then repeat the procedure 4 25 4 5 After approx 10 seconds the display lamps on the sensor part of wireless remote controller Opera tion Green Timer Green and Ready Yellow flash and the air conditioner starts operation If the lamps do not flash repeat the procedure 2 and after After the test operation push Start Stop button to stop the operation Outline of test operation from the wireless remote controller Test cooling operation Start gt 18 C 19 18 19 18 19 gt 18 Test operation gt Stop Test heating operation Start gt 30 C 29 gt 30 29 30 gt 29 30 Test operation gt Stop Be sure
241. ead at room the foot High Wall Type Up Down air direction adjustment gt e In cooling operation In heating operation In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that cool air diffuses the whole downward set point so that the hot air is spread to room the floor Left Right air direction adjustment When you change the blowout direction to left right direct the vertical flap inside of the air outlet flap to desired direction 43 45 Floor Standing Cabinet Type In cooling operation In heating operation For Heat pump model only In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that the cold air diffuses in downward set point so that the hot air blows at the whole room foot Floor Standing Type Adjustment of air direction upward downward gt In cooling operation In cooling operation move the flap with hands and use it with horizontal air outlet point so that the cold air diffuses in whole room In heating operation For Heat pump model only In heating operation move the flap with hands and use the air outlet flap with downward set point so that the hot air blows at the foot Adjustment of air direction rightward leftward gt Lift up the vertical flap lightly direct it toward the desired direction and lower it
242. een set up from the remote controller misconnection is considered Units to b rated Push the push switch SW05 on the interface Lc acd P C board of the header unit for 2 seconds or more Address 1 7 segment displa individually pan Address 16 i 17 indivi Address display of 00 is displayed for individually corresponding indoor unit 5 seconds after operation ON S 33 individually 48 After test operation return the display select switches SW01 SW02 SW03 on the interface board of the header unit to 1 1 1 respectively a 49 individually Adea 64 NOTE The individual test operation returns to the normal operation after 60 minutes 117 8 7 3 Error Clearing Function 1 Clearing from the main remote controller Error clearing in outdoor unit Error of the outdoor unit is cleared by the unit of one refrigerant circuit system to which the indoor units oper ated by the remote controller Error of the indoor unit is not cleared For clearing errors the service monitor function of the remote controller is used Method 1 Change the mode to service monitor mode by pushing cL buttons simultaneously for 4 seconds or more ux 2 Using 4 J buttons set FF to item code The display in Section A in the following figure is counted with interval of 5 seconds as gg gg 77 7 7
243. efrigerant in the work procedure in which the abovementioned Outdoor Unit Backup Setup is not performed If the backup for the outdoor unit is set up under condition that the troubled unit is turned on return the communication connector CN03 between outdoor units on the interface board of the corresponding unit to the original status reset the power supply and then start the recovery operation in the above work procedure Note If the power of the troubled unit cannot be turned on the solenoid valve PMV of the unit cannot be turned on Therefore the refrigerant recovery amount decreases compared with the usual pump down operation Using a refrigerant recovery device recover the remaining gas in the unit and measure the recovered amount Work procedure Setup for the troubled outdoor unit 1 Using a gauge manifold connect the check joint of the liquid pipe and the low pressure side and then purge air in the hose To recover refrigerant in the heat exchanger and the liquid tank 2 Close fully the service valve of the liquid pipe of the outdoor unit with trouble Keep service valve of the gas pipe and the balance pipe opened Setup for the unit selected as header unit 3 Set up the rotary SW01 02 03 to 2 5 1 on the interface P C board of the header outdoor unit and push the push SW04 for 5 seconds or more after C have been displayed on 7 segment display section 4 The system operates in the test cooling operat
244. efrosting operation During the defrosting operation the defrosted water will be drained from the bottom plate of the outdoor unit Heating capacity In the heating operation the heat is absorbed from the outside and brought into the room This way of heating is called heat pump system When the outside temperature is too low it is recommended to use another heating apparatus in combination with the air conditioner Attention to snowfall and freeze on the outdoor unit In snowy areas the air inlet and air outlet of the outdoor unit are often covered with snow or frozen up If snow or freeze on the outdoor unit is left as it is it may cause machine failure or poor warming In cold areas pay attention to the drain hose so that it perfectly drains water without water remaining inside for freeze prevention If water freezes in the drain hose or inside the outdoor unit it may cause machine failure or poor warming Air conditioner operating conditions For proper performance operate the air conditioner under the following temperature conditions Cooling operation Outdoor temperature 5 C to 43 Room temperature 21 C to 32 C Dry valve temp 15 C to 24 C Wet valve temp CAUTION Room relative humidity less than 80 If the air conditioner operates in excess of this figure the surface of the air conditioner may cause dewing Dry operation Outdoor temperature 15 C to 43 C Maximum suction air temp 46
245. en 30 seconds or more passed after start time Check power supply voltage Check fan IPDU error All stop Sub code C Heat sink sensor TH of fan IPDU detected 95 C error Check outdoor fan system Check fan IPDU error Check fixation between fan IPDU and heat sink All stop Sub code D Heat sink sensor TH of fan IPDU detected short circuiting or open Check fan IPDU error stop Sub code E nput power supply voltage of the fan IPDU over the setup value was detected Input power supply terminal of the fan IPDU was unconnected Power supply P C board error of the fan IPDU Check input power supply voltage of the fan IPDU Check power supply P C board error of the fan IPDU Check error of external electrolytic condenser 9 Check code Main remote controller Outdoor 7 segment display Check code Sub code 01 Compressor 1 side 02 Compressor 2 side AI NET central control remote controller Detected position Check code name G Tr short circuit protection error Status All stop Error detection condition Instantaneous over current was detected when compres sor started Check item position Check connector connection and wiring on IPDU P C board Check compressor error and defect of compressor coil Check outdoor P C board IPDU error 01 Compressor 1 side 02 Compressor 2 side Compr
246. er is disabled to drain In some cases water overflows from the drain pan and it may wet wall or floor Be sure to clean the drain pan before the cooling season Attachment detachment of the air filter Pull the air filter downward and take out toward you Insert the air filter into the indoor unit and push in it Suck dust by a vacuum cleaner or clean with water When dirt is heavy it is effective to clean the filter with tepid water with dissolved neutral detergent or cold water After cleaning the filter with water dry the filter completely in the shade 51 Floor Standing Cabinet Type Air outlet Air outlet flap Air filter Removes dirt or dust It is included in the inlet grille Air inlet glille Floor Standing Concealed Type Air outlet Drain receiver With strainer Air filter Removes dirt or dust It is included in the inlet grille Front panel Lower side Before you clean the air conditioner be sure to turn off the circuit breaker or the main power switch Clean the air filter every two weeks If the air filter is clogged with dust the performance of the air conditioner will deteriorate Clean the drain pan or the drain receiver If the drain pan or the drain receiver is clogged with dust water may overflow causing getting wet on the floor How to remove front gt Push down hook of the air f
247. er When restarting the operation push button again Fan rotation in stopped unit In heating operation even in the stopped indoor unit the fan rotates once for several minutes per approx an hour when the other indoor unit is operating to protect the air conditioner Protective device High pressure switch This device stops automatically an operation when excessive force is applied on the air conditioner If the protective device works the operation stops and the operation lamp flashes 41 When the protective device works the indication and the check code are displayed on the display section of the remote controller In the following cases the protective device may work In cooling operation The suction port or discharge port of the outdoor unit is closed A strong wind continuously blows to the discharge port of the outdoor unit In heating operation Dust or waste adheres excessively to air filter of the indoor unit The discharge port of the indoor unit is closed If the protective device works turn off the main power switch solve the cause and then start the operation again Cooling Heating operation of Super Modular Multi system air conditioner Although each indoor unit can be individually controlled in the Super Modular Multi system air conditioner the cooling operation and the heating operation cannot be simultaneously performed in the multiple indoor units which are
248. er unit is not turned on Correct of cause of error occurrence If it occurred when setting backup clear the error after setup finish If the power of follower unit is not turned on turn on the power Duplication of outdoor line addresses Line address setup error occurred after connec tion between Ui Us and Us Us connectors Modify line address setup of the header unit between lines Set up SW 13 and 14 on the interface P C board Duplicated of indoor units with priority Set up priority to only one indoor unit There are two or more indoor units set up with priority Address setup error Only indoor addresses of all the connected indoor units are undefined L05 Displayed on the indoor unit set up with priority L06 Displayed on the indoor unit except one set up with priority 104 Set up address again 8 5 2 Operation from remote controller is not accepted and a check code is dis played on 7 segment display of the interface P C board of the header unit Remote controller status No response 7T segment display of center unit Line addresses and indoor addresses of all the connected indoor units are unset Countermeasures Set up addresses There is no header unit of group control Set up group address Indoor unit power is not turned on Turn on the power again In order of indoor outdoor i SW30 Indoor outdoor communicat
249. erant stagnation in compressor shell YES Is not TK3 sensor come off Correct installation of sensor Correct miscabling misinstallation ls there no miscabling or misinstallation N YES Te Cele on TK1 TK2 TK3 TK4 sensors TK3 CN516 TK4 CN523 Are characteristics of TK3 sensor NO resistance value normal e Sensor error gt Replace Outdoor unit temp sensor characteristics 4 YES After power reset check capillary choke of SV3C valve bypass Start a test operation in COOL or HEAT mode Replace clogged part Capillary Y sensor temp is displayed 7 segment display with SW01 02 03 1 13 2 Y Check sensor temp approx 10 minutes after compressor 2 has operated If low temperature continues approximately outside temp or temperature does not almost change a clogging of parallel capillary is considered No error SVSE valve TK3 Error Check the 9 SV3E valve Replace SV3E valve Note 1 Refer to item HO7 error No error Check P C board 180 Check code name Check code name Cause of operation H16 d7 TK4 temperature detective circuit error 1 Detachment of TK4 sensor miscabling d07 AI NET Sub code 04 characteristics error of resistance value Check clogging and malfunction of 5 valve circuit Oil equalization circuit error Check capillary clogging strainer clogging Refrigerant stagnation i
250. erface P C board 1 Test operation start stop operation Test operation from remote controller Wired remote controller Refer to the lower items in Test operation of wired remote controller Wireless remote controller Refer to the lower items in Test operation of wireless remote controller Wired remote controller button for 4 seconds or more TEST is displayed in the display section and the mode enters in test operation mode 1 When pushing E P UNIT amp 2 Push button 3 Using button select an operation mode COOL or HEAT Do not use operation mode other than COOL or HEAT Temperature adjustment is unavailable during test operation Error is detected as usual 693595 Z wnen the test operation has finished push button to stop the operation The same display as that in procedure 1 appears in the display section A button to clear the test operation mode TEST display in the display section disappears and the status returns to the normal stop status 107 Wireless remote controller Except 4 way Air Discharge Cassette type and Under Ceiling type 1 Remove a screw which fixes the serial plate of the receiver part on the wireless remote controller Remove the nameplate of the receiver section by inserting a minus
251. ermo circuit normal 1 Connector connection 2 Cabling Repair case thermo circuit 3 P C board Note 1 Note 1 1 Case thermo is usually closed 2 Operation temperature of case thermo is 120 C Are service valves of NO gas pipe and liquid pipe of outdoor unit fully opened Open service valves fully Are outdoor PMV1 2 normal 1 Connector connection 2 Cabling 3 Coil 4 Valve body 5 I F P C board Operation starts Are SV41 and Valve circuits normal 1 Misinstallation installation and connector connection of SV41 and SV42 2 Leakage from 5 41 42 circuit NO Connector CN300 301 White Repair outdoor PMV NO Correct SV4 valve circuits SV4 valve Connector CN31 1 Blue Does not refrigerant YES bypass from discharge of suction through 4 way valve Check 4 way valve NO NO Is compressor normal Note 2 Compressor error YES Note 2 Check the following items mainly 1 Existence of abnormal sound and abnormal vibration during operation at start time 2 Abnormal overheat of case during operation or stop Never touch with hands 3 Current of compressor lead during operation or starting No rapid current change Refrigerant shortage clogging pipe breakage After checking there is no slogging or pipe breakage charge refrigerant again 173 Check code name H06 20 d07 AI
252. error of fan motor connector d07 AI NET 2 Fan motor error 3 Indoor P C board error Detectable in model with DC fan motor Turn off power supply 4 way Air Discharge Cassette or Concealed Duct Standard type Is there connection error or YES disconnection on connector CN333 CN334 of indoor P C board MCC 1402 Correct connector connection Remove connectors CN333 and CN334 on indoor P C board MCC 1402 Does fan turn without trouble when turning it with hands Replaceindoorfan motor YES ls resistance value between each phase NO at motor side of fan motor connector CN333 on indoor P C board 1402 correct 1 Replace indoor fan motor YES 1 15 not winding 1 Red lead to 3 White lead 3 White lead to 5 Black lead 5 Black lead to 1 Red lead opened shorted Resistance value should satisfy the follows 4 way Air Discharge Cassette type MMU AP0091H AP0301 Approx 70 to 1000 MMU AP0361H AP0561 Approx 35 to 500 Concealed Duct Standard type 15to 350 Is not grounded between cabinet and 1 3 5 gt Should be 100 or more Is resistance value at motor side of fan motor connector CN334 on indoor P C board MCC 1402 correct 2 NO Replace indoor fan motor 2 Check resistance value of fan motor position detective circuit 15 not winding 1 Yellow lead to 4 Pink lead opened shorted Resistance should be 5 to 2
253. ery operation function Pump down function Error clear function Solenoid valve forced open close function Fan forced operation function Outside temp sensor manual adjustment function Indoor No 1 to 16 unit Indoor No 17 to 32 unit Indoor No 33 to 48 unit Indoor No 49 to 64 unit Indoor individual start stop ON OFF function 7 segment display Function contents U 1 E28 Follower unit error Corresponding unit fan operation function 125 8 7 11 Indoor Fan Operation Check Function This function is provided to check operation of single indoor unit without using communication with the remote controller or outdoor unit This function can be used regardless operating or stopping of the system However if this function is used for a long time a trouble of the air conditioner may be caused Therefore using of this function should be restricted to several minutes Operation 1 Short circuit CHK pin CN71 on the indoor P C board If short circuiting DISP pin CN72 on the indoor P C board while short circuiting CHK pin CN71 on the indoor P C board the indoor PMV only becomes the minimum opening 30 pulse When opening DISP pin it becomes the maximum opening again Clear Open CHK pin If the system is operating it stops once but automatically restart after several minutes For the details of CHK pin CN71 on indoor P C board and DISP pin CN72 on indoo
254. es check valve of main discharge pipe normally operate Repair check valve gt Replace Refrigerant overcharge clogging pipe breakage abnormal overload condition lt lt lt gt 199 Heating operation Does heating indoor fan normally operate NO Is indoor PMV normal 5 2 YES Is connector connection of indoor heat exchanger fan or fan motor normal YES NO Repair faulty parts Is connector connection NO coil normal YES Y Repair faulty parts Are characteristics of sensor TC2 and TCJ resistance normal ES NO Replace TC2 or TCJ sensor NO Is there clogging Bic Ae YES Replace PMV body Is check valve of main NO Repair check valve Replace discharge pipe normal YES Is there a cause to interfere operation of heat exchanger of indoor unit Eliminate the interfered causes 1 Air filter clogging 2 Heat exchanger clogging 3 Air short circuit NO Repair SV5 circuit NO Is SV5 circuit normal YES Are not indoor units of oiiferent NO reirigerant circuit connected S with miscabling check function YES of outdoor unit Refrigerant overcharge clogging pipe breakage abnormal overload condition 200 Coil error choke of cable Se Check and correct cabling Check code name Check code name Cause of operation
255. essor position detection circuit error All stop Position was not normally detected Check connector connection and wiring Check compressor error and defect of compressor coil Check board IPDU error Other indoor error Group follower unit error Corresponding unit only stops E07 L07 L03 L08 was detected when other indoor unit in the group was defective Check indoor P C board 271 Error detected by TCC LINK central control device Check code Display on central control device Outdoor 7 segment display Sub code AI NET central control remote controller Detected position TCC LINK Check code name TCC LINK central control device transmission error Status Operation continued Error detection condition Signal is not transmit from central control device Check item position Check central control device error Check communication line error of central control device Check setup of end terminal resistance TCC LINK central control device receiving error Operation continued Signal is not received from central control device Check central control device error Check communication line error of central control device Check setup of end terminal resistance Check the power of connecting destination connected device Check board error of the connected device General purpose device V
256. f the outdoor which stopped due to occurrence of error starts rotating When pushing SWO5 singly the fan operation is cleared Check code Check code name Cause of operation E31 CF IPDU communication error Connection error of communication line d07 AI NET between IPDU and P C board VF P C board error IPDU board error External noise Sub code 01 IPDU1 error 02 IPDU2 error 03 IPDU1 2 error 04 Fan IPDU error 05 IPDU1 fan IPDU error 06 IPDU2 fan IPDU error 07 All IPDU error or communication line error between IPDU I F P C boards or outdoor I F P C board error If the fan IPDU is abnormal be sure to check the voltage output on the fan power supply P C board Is communication connector between IPDU and I F P C board connected YES Is there no disconnection on communication line between IPDU and I F P C board NO NO Correct connection of connector YES Replace communication line Is there voltage deflection between NO 4 and 5 pin of CN600 on I F P C board Measurement with tester DCO to 5V 5 pins GND I F P C board error Is there voltage deflection between 3 and 5 pin of CN600 on P C board Measurement with tester DCO to 5V 5 pins GND NO P C board error All IPDU No 1 No 2 and three fan IPDU do not return communication Replace defective IPDU P C board 162 Che
257. fan speed The FAN speed display will show AUTO and the fan speed will be automatically controlled After the heating operation has stopped FAN operation may continue for approx 30 seconds When the room temperature reaches the set temperature and the outdoor unit stops the supper low wind is discharged and the air volume decreases excessively During defrost operation the fan stops so that cool air is not discharged and HEAT READY is displayed If the Auto mode is uncomfortable you can select the desired conditions manually When restarting the operation after stop When restarting the operation immediately after stop the air conditioner does not operate for approx 3 minutes to protect the machine Stop Push button Push this button again to stop the air conditioner 38 3 9 TIMER Operation A type of timer operation can be selected from the following three types OFF timer The operation stops when the time of timer has reached the set time Repeat OFF timer Every time the operation stops after the set time has passed ON timer The operation starts when the time of timer has reached the set time Timer operation e Co 1 Push TIMER SET button The timer display type changes for every push of the button OFF timer Repeat OFF timer SET DATA and display flashes No display 2 Push
258. ff position refer to the Manual attached to the repair parts 8 Pull out the accumulator upward 6 Accumulator cover 7 Cut pipe at 2 6 entrance exit ports 3 Accumulator m 6 Two screws each fixing board at front and rear 8 MiddleYpartition board Accumulator 2 Three screws 4 Brazing part with SV2 assembly 258 17 P C BOARD EXCHANGE PROCEDURES 17 1 Indoor Unit 17 1 1 Exchange of P C Board for Indoor Service Part code Model type P C board model Label display on P C board MMU AP 1WH series MMU AP 1H series MMU AP series 431 6V 207 MMU AP 1SH series MCC 1403 MML AP 1H series MML AP 1BH series MMF AP 1H series 431 6V 210 MMU AP 1BH series MCC 1402 0300 M02 MMU AP 1H series 431 6V 225 MMC AP 1H series MCC 1402 0300 M03 MMK AP 1H series Requirement at exchange of P C board assembly for indoor service Before exchange in the fixed memory hereinafter EEPROM IC10 installed on the indoor P C board the type exclusive to the model and the capacity code are stored at shipment from the factory The important setup data such as line indoor group address which are set up Auto Manual or high ceiling exchange setup at installation time respectively Proceed with exchange of P C board assembly for indoor service in the following procedure After exchange work check again the setup for indoor unit No or group hea
259. g operation operation 3 Push SWING WIND again while the flap is swing The flap stops at a position when you push After then if pushing T _ the air direction descends from the highest position COOL DRY operation the flap does not stop as it directs downward If stopping the flap as it directs downward during swing operation it stops after moving to the 3 position from the highest position 4 Auto flap button UNIT Push _UNIT_ to set up the air direction individually in each indoor unit dinis e MEOS ae Then the indoor unit No in a group control is displayed Uni dlc mU t No Unit No For the displayed indoor unit set up the air direction 14 Du 13 If the unit No is not displayed all the indoor units are operated at the same time Every pushing UNIT the display is exchanged as follows 42 2 way 3 way air discharge 2 way discharge or 3 way discharge can be selected according to the shape or arrangement of the room For details consult with the dealer which you have purchased the air conditioner If cooling operation is executed under condition of downward blowing the cabinet or surface of the hori zontal flap gets wet with dew and may drop During heating operation under condition of horizontal blowing unevenness of temperature may increase in the room Never handle the horizontal flap directly with hands otherwise a trouble is caused Use the flap operation switch on
260. ge Cassette Type Model name MMU AP0091H Capacity rank 009 type Cooling Heating Capacity code capacity kW capacity kW 1 2 8 3 2 MMU AP0121H MMU AP0151H MMU AP0181H 012 type 015 type 018 type 1 25 1 7 2 MMU AP0241H MMU AP0271H MMU AP0301H 024 type 027 type 030 type 2 5 3 3 2 MMU AP0361H MMU AP0481H MMU AP0561H 036 type 048 type 056 type A 2 way Air Discharge Cassette Type MMU AP0071WH MMU AP0091WH MMU AP0121WH 007 type 009 type 012 type MMU AP0151WH MMU AP0181WH MMU AP0241WH 015 type 018 type 024 type MMU AP0271WH MMU AP0301WH MMU AP0481WH CHINA only 027 type 030 type 048 type 1 Air Discharge Cassette Type MMU AP0071YH 007 type MMU AP0091YH MMU AP0121YH 009 type 012 type MMU AP0151SH 015 type MMU AP0181SH MMU AP0241SH 018 type 024 type Concealed Duct Standard Type Concealed Duct High Static Pressure Type MMD AP0071BH 007 type MMD AP0091BH MMD AP0121BH 009 type 012 type MMD AP0151BH 015 type MMD AP0181BH MMD AP0241BH 018 type 024 type MMD AP0271BH 027 type MMD AP0301BH MMD AP0361BH 030 type 036 type MMD AP0481BH 048 type MMD AP0561BH MMD AP0181H 056 type 018 type MMD AP0241H 024 type MMD AP0271H MMD
261. gment display A keep pushing the switch SW04 for 2 seconds or more 3 From when fan step 31 is displayed in 7 segment display B the fan starts operation Max step operation 4 After then 7 segment display B and the fan step are changed by changing the setup number of the switches SW02 SW03 Output pattern of the fan is as follows 7T segment display B Fan step 7 segment display B Fan step Clear This function is cleared by one of the following operations 1 When 5 01 setting number was changed to other number 2 Push switch SW05 was pushed for 2 seconds or more 123 8 7 9 Abnormal Outdoor Unit Discrimination Method By Fan Operating Function gt This function is provided to forcedly operate the fan of the outdoor unit in which an error occurred or the fan of the normal outdoor unit by the switch operation on the interface P C board in the header unit To specify which one of the follower units connected to the system was faulty use this function for the system stop due to a follower unit fault Check code E28 Operation In case to operate the fan in the erroneous outdoor unit gt 1 Check all the switches SW01 SW02 and SW03 on the interface P C board in the header uni
262. gram Header outdoor unit Follower outdoor unit Unit to MMY MAP1201HT MMY MAP1201HT Unit to send oil received oil E 1 Gas pipe 73 7 APPLIED CONTROL 7 1 Indoor Unit 7 1 1 Setup of Selecting Function in Indoor Unit Be sure to Execute Setup by a Wired Remote Controller lt Procedure gt Execute the setup operation while the unit stops 1 Push SET The firstly displayed unit No indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit is turned on uwrr 2 Every pushing UNIT button the indoor unit numbers the group control are successively displayed In this time the fan of the selected indoor unit only is turned on 3 Specify the item code DN using the setup temperature lt Jand vw J buttons 4 Select the setup data using the timer time 4 and v buttons When selecting the DN code to 33 change the temperature indication of the unit from to F on the remote controller cL 7 buttons simultaneously for 4 seconds or 5 Push SET button OK if display goes on To change the selected indoor unit return to procedure 2 To change the item to be set
263. gs For details refer to each installation manual for outdoor unit indoor unit remote controller and optional devices 103 8 5 Troubleshooting in Test Operation If the phenomena appear such as a check code is output or the remote controller is not accepted in power ON after cabling work or in address setup operation the following causes are considered 8 5 1 A check Code is Displayed on the Remote Controller Check code displayed on remote controller Center unit 7 segment display Outdoor power is formerly turned on Countermeasures Turn on the power again In order of Indoor Outdoor There is none of outdoor terminal resistance or there are two or more resistances After address setup Check SW30 bit 2 of the header unit No connection between multiple refrigerant lines SW30 bit 20N Connection between multiple refrigerant lines SW30 bit 2 of the connected header unit is turned on only in one line After address was decided all the indoor units do not correctly response after power ON in outdoor unit SW30 Check and modifies disconnection of indoor outdoor communication line Communication line between center unit and the leading indoor unit Check influence of communication noise Address setup error Only line addresses of the connected indoor units are undefined The outdoor line address and the line addresses in all indoor units do not match The indoor addresses are
264. has finished be sure to reset the system to clear P12 error code using the leak breaker of the indoor unit Then push the operation stop button of the remote controller to return to the usual operation CONTENTS SAFETYCAUTIION LAN 4 10 2 WIRING DIAGRAM LE 13 iuba NR tee 26 4 REFRIGERANT PIPING SYSTEMATIC DRAWING 56 5 COMBINED REFRIGERANT PIPES SYSTEMATIC DRAWING 59 6 CONTROL OUTLINE LO 64 7 APPLIED CONTRO iilius EDS Ka duca desea is 74 8 TEST OPERATION 88 9 TROUBLESHOOTING icri puoi basins audis da biker gas duin ea uuu ces 128 10 CONFIGURATION OF CONTROL CIRCUIT 214 11 BACKUP OPERATIONS EMERGENCY OPERATION 228 12 OIL LEVEL JUDGMENT DISPLAY EE 233 13 REFRIGERANT RECOVERY WHEN REPLACING THE COMPRESSOR 234 14 LEAKAGE CLOGGING OF OIL EQUALIZATION CIRCUIT 240 15 REPLACING COMPRESSOR EE 242 16 REOLACING METHOD OF PARTS eene 4502 249 17 P C BOARD EXCHANGE PROCEDURES 259 SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Ma
265. he compressor driver stops 1 is counted to the error count and the compressor driver reactivates after 2 minutes 30 seconds After reactivated the error count is cleared if the operation continues for 10 minutes or more 3 The error is determined with error count 4 The error PO4 is displayed 72 Other cautions gt 1 Cooling operation in low ambient temperature 1 When low pressure is lowered the freeze prevention control by the indoor unit TC sensor may decrease the frequency 2 When low pressure is lowered the cooling capacity control may decrease the frequency 3 When discharge temp sensor value lowers below 60 the frequency be increased over the receive command from the indoor unit 2 PMV Pulse Motor Valve for outdoor unit 1 When the power is turned on a tap sound to initialize PMV is heard If this sound is not heard PMV operation error is considered However this sound may not be heard at a place where outside sound takes precidence 2 Do not remove the driving part Head part of PMV during operation It may cause error in opening 3 When transporting replacing the set never keep the driving part removed The valve is closed and the valve is damaged by sealed liquid compression 4 When removing the driving part and attaching it again push in it securely until a click sound can be heard Then turn off the power once and turn on the power again Oil equation control schematic dia
266. he header outdoor unit 1 Control conditions Cooling oil recovery control is executed every 2 hours approximately 2 Contents of control Recovery time continues for approx 2 or 3 minutes though it differs according to the system capacity 2 Refrigerant recovery control in heating room During heating operation this is executed to recover liquid refrigerant stagnated in the stopped indoor unit It is also used to recover oil in the outdoor heat exchanger in heating overload operation except with defrost condition This control is managed by the header outdoor unit 1 Heating refrigerant recovery control is executed every an hour approximately 2 Recovery time continues for approx 2 to 10 minutes though it differs according to the load condition Defrost control Reverse defrost method 1 Defrost start condition In heating operation the operating time is integrated when the detected TE sensor temp was lower than 2 C and when 25 minutes have passed in the initial time after the compressor started and 55 minutes in the second time and after 2 Contents of control f the outdoor units are combined the defrost operation forcedly continues for 2 minutes if the defrost operation has been once started 3 Stop conditions of defrost operation f the outdoor units are combined the fan drive and compres sor inverter frequency may be controlled by Pd pressure during defrost operation 70 During defrosti
267. he welder may catch the inflammables Refrigerant Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 For an air conditioner which uses R410A never use other refrigerant than R410A For an air conditioner which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refriger ating cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the s
268. heck characteristics of TD1 sensor resistance value Check refrigerant shortage Check 4 way valve error Check leakage of SV41 circuit Check SV4 circuit Miscabling and misinstallation of SV41 and SV42 01 Compressor 1 side 02 Compressor 2 side Actuation of high pressure SW All stop High pressure SW actuated Check Pd pressure sensor error Check full opening of outdoor service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers Check short circuiting of outdoor suction discharge air Check clogging of SV2 circuit Check outdoor P C board error Check indoor fan system error Cause of air volume decrease Check opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of check valve of discharge pipe Check SV4 valve circuit Check SV5 valve circuit Check refrigerant overcharge 01 Power supply open phase 02 Power supply negative phase Open phase negative phase All stop Open phase was detected when the power turned on Negative phase was detected when the power turned on Check outdoor power line Check outdoor P C board error LAA Check code Main remote controller Outdoor 7 segment display
269. hen a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework Prohibition of modification Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified parts For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused For details refer to the parts list Do not bring a child close to the equipment Before troubleshooting or repair work do not bring a third party a child etc except the repair engineers close to the equipment It causes an injury with tools or disassembled parts Please inform the users so that the third party a child etc does not approach the equipment Insulating measures Connect the cut off lead cables with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side 2 When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of t
270. hich is detected by inputting current sensor CT on the control P C board to prevent the inverter input current from rising higher than the specified value 71 IPDU control Continued Operation explanation and applied data etc 2 Heat sink temp detection control 1 This control protects IGBT overheat preventive protection by the thermistor TH temp on the compressor driving module in IPDU For TH temperature the higher one of IPDU1 temperature and IPDU2 temperature is applied 3 Over current protective control 1 The compressor stops when IPDU control P C board detects over current 4 Compressor case thermo control 1 When the compressor case thermostat works the compressor stops 2 When the compressor stops 1 is counted to the error count and the compressor reactivates after 2 minutes and 30 seconds After reactivated the error count is cleared if the operation continues for 10 minutes or more 3 The error is determined with error count 4 The error HO4 is displayed in compressor 1 and H14 in compressor 2 respectively Remarks TH sensor is provided to IPDU1 and 2 each The case thermostat is usually closed and connected to the interface P C board High pressure prevention control 1 High pressure SW control The high pressure SW is usually closed and connected to IPDU 1 The compressor driver stops when high pressure SW at inverter compressor operates 2 When t
271. hile outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 for 2 seconds or more Set up SWO2 6 and turn on SV3D valve 7 segment display Hr 3d If temperature is low at secondary side of the valve or it does not change clogging of valve capillary or strainer is considered in the figure 176 53 Check for solenoid valve of outdoor unit For multiple outdoor unit system a Clogging check for SV3A valve While outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 for 2 seconds or more Set up SWO2 4 and turn on SV3A valve 7 segment display Hr 3A If temperature is low at secondary side of the valve or it does not change clogging of valve or check valve is considered Q in the figure b Leakage check for SV3C valve While outdoor unit is operating set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 for 2 seconds or more Set up SWO2 6 and turn on SV3C valve 7 segment display Hr 3C f temperature does not change up clogging of valve or strainer is considered in the figure 4 a Clogging check for oil equalization circuit Drive the outdoor unit Drive both compressors in the unit After driving for 10 minutes check temperature of TK1 and TK2 sensors and temperature of oil equalization circuit capillary in the figure
272. hooking from the lower part of the electric parts box NOTE Pay attention that the electric parts box may fall out due to the center of gravity Take off the hooks from the upper part of the electric parts box and move it to the valve side NOTE If installed status of the moved electric parts box is unstable it may fall down When the electric parts box is unstable take off all the cables inside of the electric parts box and then remove the entire electric parts box completely Remove the lower duct M4 x 4 Take off the sound insulation mat Remove the crank case heater temporary hooking off the terminal cover of the compressor the wiring to WARNING the compressor and the case thermostat unit Be careful that oil in the pipe may emit NOTE Be sure to apply insulate to the removed cable fire when broiling the welded point with a terminals with insulating tape etc To exchange the burner compressor remove cables of the compressor only Remove the discharge pipe suction pipe and oil equation pipe Take off the hexagonal bolts fixing the compressor One side of hexagon 13mm x 2 pcs a compressor NOTE Only two hexagonal bolts are provided to a com pressor but it is not lack Remove the compressor Positions to be removed 3 positions In case of right side Left side is same as right side Measurement of oil amount the defective compres
273. il level is appropriate in compressor 1 and shortage in compressor 2 oL A20 Oil shortage in compressor 1 and appropriate in compressor 2 Judgment result in compressor 2 Judgment result in compressor 1 For the contents of judgment result refer to the following table Judgment result of oil level 7 segment display Judgment result Contents Appropriate Oil level inside of the compressor is appropriate Shortage of oil level in the compressor Both A1 and A2 indicate shortage Shortage If this judgment continues the system stops for protection TK1 circuit error is considered If this judgment continues the system stops for protection TK circuit error is considered TK2 circuit error If this judgment continues the system stops for protection TKS circuit error is considered TKS ereuitierror If this judgment continues the system stops for protection 4 circuit error is considered If this judgment continues the system stops for protection BL oS e 6 Operation starts z l Result 4 level judgment i is displayed us 2 Set SW01 SW02 SW03 to 1 16 1 4 After confirmation return SW01 SW02 SW03 to 1 1 1 233 13 REFRIGERANT RECOVERY WHEN REPLACING THE COMPRESSOR 13 1 Refrigerant Recovery in the Troubled Outdoor Unit A pump down function if prepared to this
274. ilter on the front panel Lower side Pull the air filter toward you to remove it This model is a concealed type Therefore conceal other parts than the air outlet and the air filter Be sure not to touch the electric parts box the surrounding lead wires the refrigerant pipes etc directly with the hands Cleaning of the main unit remote controller Wipe them with soft and dry cloth Do not use benzene thinner polishing powder or If heavy dirt adheres to the main unit wipe out it similar solvents for cleaning These may cause a with a cloth dampened with tepid water For the crack or deformation remote controller use a dry cloth Polishing Benzene Sa MES will wipe soft and dry cloth lt you do not use the unit for more than 1 month gt Operate the fan for half a day to dry inside of the main unit sufficiently Turn off the main power switch Clean the air filter and then remount it as before Use after drying when it has not been used for a long time Before cooling season Concealed Duct High Static Pressure Type Cleaning of drain pan and drain receiver With strainer CAUTION Clean the pan and the drain receiver strainer If the drain pan or the drain receiver chokes with dust water overflows or ceiling or floor gets wet REQUIREMENT For cleaning of the drain pan or drain receiver contact the dealer which you purchased the air conditioner
275. in the following procedure When a trouble or an error occurs in each step remove causes of a trouble or an error referring to the section 9 Troubleshooting Check Bei t t Check the basic items mainly the installation work before test operation Be sure to enter the check results in the check list 1 and 2 Check the main power supply It is the check after the power has been turned on is turned on Check the refrigerant circuit system is normally turned on Ss ndhedddigssds Start the address setup in the outdoor indoor units NOTE The operation does not start by only power ON Ceci ar blowing and eo Check air blowing and cooling heating operation in the indoor unit 8 2 Check Items before Test Operation Prior to the test operation check the following items so that there is no trouble in the installation work Header unit A Main check items for electric wiring The communication system differs from Outdoor that of R22 or R407 refrigerant Modular Multi system air conditioner Check again cautious points on wiring 3 phase 1 In case that a center control i Leak interception system is not connected Main switch Indoor unit 1 phase 230V Leak interception Main switch Remote controller Main check items Are indoor and outdoor communication lines of the header unit connected to U1 U2 terminals Is the relay connector between U1 U2 terminal and U3 U4
276. inal number Drain pump motor id j 2 A dotted line and broken line indicate the wiring at site E switch vare rain pump control relay Wired remote Adaputor for wired indi contrall r tense controller 3 indicates the control P C board Pulse Motor Valve I PON Sd AI 1 D9IB92UO 1 2 H 19GOdV H L8LOdV H L9E0dV Hatzeodv alNIN Haltzodv HELSLOdV H LGLOdV Harzrodv H L600dV H LZ00dV QMM 81 Spark killer WHI 8 Color indication RED RED WHI WHITE YEL YELLOW BLU BLUE BLK BLACK GRY GRAY PNK PINK ORN ORANGE FAN CN083 WHI BRW BROWN 004 GRN GREEN 90 oo YEL 6 BLK Q FA LM CIX 13 GRN GY 13 7775 23 5 CN104 CN102 CN101 CN030 YEL RED BLK RED RY001 Indoor control PC board Fuse T5 0A CNO66 WHI Flow selector 044 CN040 041 BRW BLU VASA NASA Network adaptor Indoor unit Earth screw unit earth screw UU AWN Deo RED Whi Outdoor unit Closed d connector F RED T10A 250V N RED 6 5 aor e YEL P
277. ing the filter with water dry the filter completely in the shade 4 Mount the air filter f 5 Close the inlet grille Close the inlet grille slide the knob toward you and then fix it surely 6 Push 8 ua m display disappears aN Pull out inlet grille while pushing hook Inlet grille Air filter 50 High Wall Type Air inlet grille gt Wipe it with a dried soft cloth If dirt of the main unit is not cleaned even if wiped with a dried soft cloth wipe it completely squeezed cloth which was rinsed with tepid water below 40 Air outlet grille Air outlet gt If using a metal brush or hard sponge for mainte nance of the front panel the surface is scratched and coating of the front panel may be pealed Use neutral detergent for kitchen to clean a heavy dirt and then rinse the grille or flap with water Suck dust by a vacuum cleaner or clean with water After cleaning the filter with water dry the filter completely in the shade Floor Standing type Cleaning of drain pan For cleaning of the drain pan contact the dealer If the drain pan or drain port is clogged with dust water Air inlet grille Air in the room is sucked from here Air outlet grille Air outlet flap Air filter Removes dust and trash Air filter is provided in the air inlet grille TA BS Attachment air filt
278. inside of the refrigerating cycle resulted in cause of breakage or injury 4mm hexagonal wrench is required D Set the equipment so that liquid refrigerant can be charged 2 When using a cylinder with siphon pipe liquid be charged without inversing the cylinder Cylinder with siphon Cylinder without siphon Gauge manifold Gauge manifold OUTDOOR unit OUTDOOR unit Electronic balance cylinder Electronic balance R410A refrigerant is consisted with HFC mixed refrigerant Therefore if the refrigerant gas is charged the composition of the charged refrigerant changes and characteristics of the equipment changes 6 Environment Use Vacuum pump method for an air purge Discharge of air in the connecting pipe in installation time Do not discharge flon gas into the air to protect the earth environment Using the vacuum pump method clear the remained air Nitrogen etc in the unit If the air remains the pressure in the refrigerating cycle becomes abnormally high and an injury and others are caused due to burst 1 OUTLINE 1 1 Components Lineup in Super Modular Multi Using High efficiency Refrigerant R410A B Outdoor units 12 HP 0501 8 0601 8 0801 8 MAP1001H8 Heat pump _ Cooling only MAP0501T8
279. ion 0000 Body TA sensor 0001 Remote controller sensor Body TA sensor Temperature unit select 0000 C at factory shipment 0001 DOE C Control for humidifier drain pump control 0000 0002 0003 None 0001 Humidifier Ultrasonic system Pump ON after specified time passed Unused Humidifier Natural drain system Pump OFF Humidifier Vaporizing system Pump ON Humidifier ON Pump OFF High ceiling selection Air volume selection 4 way Air Discharge Cassette type and Under Ceiling type 0000 Standard filter 0001 Super long life Concealed Duct Standard type 0000 Standard static pressure 40Pa High static pressure 2 100Pa 0003 0001 0005 0006 High static pressure 1 70Pa Correspond to quiet sound Low static pressure 20Pa Standard Timer set Wired remote controller 0000 Available Operable 0001 Unavailable Operation prohibited 0000 Available Smudging proof control clear 0000 Clear 4 way Air Discharge Cassette type only Outside interlock release condition 0000 Operation stop Release communication signal 75 receive 0000 Operation stop TYPE Item code 10 Setup data 1 way Air Discharge Cassette Abbreviated Model name MMU AP XXX SH 4 way Air Discharge Cassette MMU AP XXX H 2 way Air Discharge Casse
280. ion TD condition Sub code 02 NO Cause of operation Outdoor unit service valve closed Outdoor PMV error TD sensor error SV4 circuit error Refrigerant shortage clogging refrigerant circuit Are service valves of gas and liquid sides fully opened YES Is outdoor PMV normal 1 Connector connection 2 Cabling NO Open service valves fully 3 Coil 4 Valve body 5 Outdoor P C board Connectors CN300 301 White YES NO Repair outdoor PMV Refer to outdoor temp sensor characteristics 4 Are characteristics of TD1 TD2 sensor resistance normal YES Is SV4 valve circuit normal Coil misinstallation valve leakage YES NO NO Replace TD1 or TD2 sensor Repair SV41 and SV42 circuits Coil valve body coil i disconnection of cable etc function of outdoor unit Are not indoor units in different refrigerant circuit connected YES Refrigerant shortage clogging pipe breakage 196 Check with miscabling check Correct cabling Check there is no clogging and pipe breakage and then recharge refrigerant Check code name Check code name Cause of operation P17 bb Discharge temp TD2 error Outdoor unit service valve closed 007 AI NET Outdoor PMV error TD sensor error Refrigerant shortage clogging of refrigerant circuit 4 way valve error SV4 circuit leakage misinstalla
281. ion after C C have been displayed on 7 segment display section 5 Set up the rotary SW01 02 03 to 1 2 2 on the interface P C board of the header outdoor unit to display the low pressure data MPa on 7 segment display section Header unit Unit selected as trouble i the header unit Connect check joint of the liquid pipe and low pressure side by the gauge manifold and then purge air inside of the hose J 2 Close fully service valve of the liquid pipe Keep gas valve of pipe and balance pipe opened Interface board 4 Set rotary SW01 02 03 to 2 5 1 T 1 k epee 3 are displayed i i be 4 aasa sast kt Push SW04 for 5 seconds or more 4 C C displayed Test cooling operation starts 5 Low pressure MPa is displayed by pushing the push SW04 gt Ps gt Td1 gt gt TE5 C C 6 Close fully the service valve of the gas pipe on the troubled outdoor unit approx 10 minutes after the system has started Setup for outdoor unit for adjustment of pressure 7 Select the header unit as the unit for pressure adjustment Setup for outdoor units other than header unit and troubled unit 8 Keep only the balance pipes of the header unit and the troubled outdoor unit fully opened and close fully the service valves of other outdoor unit balance pipes 236 Setup for heade
282. ion line is not correctly connected to the header unit Fig 1 Indoor outdoor cannot communicate before address setup Correct cabling There is none of outdoor terminal resistance or there are two or more resistances Before address setup Check SW30 bit 2 of the header unit No connection between multiple refrigerant lines SW30 bit 2 ON Connection between multiple refrigerant lines SW30 bit 2 of the connected header unit is turned on only in one line When connecting indoor outdoor communication line between outdoor units under condition of connected communication line between outdoor units Fig 2 Correct cabling SWOSG setup error Turn all SW08 to OFF side Address setup is performed with connecting indoor outdoor communication line between outdoor units Fig 3 Correct cabling Address setup is performed under condition of connecting between multiple refrigerant lines Fig 3 Correct cabling 8 5 3 There is no display of a check code on 7 segment display on the interface P C board of the header unit though there is indoor unit which does not accept the operation from the remote controller Remote controller status No response 7 segment display of center unit Communication line is not connected between indoor and outdoor Countermeasures Modify cabling Line and indoor addresses are unset Unit which does not response to remote controller Set up
283. ion mode priority has been set up 81 2 Indoor unit setup in Specific indoor unit priority mode The setup can be changed during stop of operation Be sure to stop the system CODE No UNIT borg Sera c No A Procedure Operation contents When pushing buttons at the same time for 4 seconds or more as shown in the figure the display section flashes after a while confirm the displayed item code is 7 When the item code is one other than 77 push button to eliminate the display and then repeat the procedure from the first step The remote controller operation is not accepted approx 1 minute VE CRI ET EO after pushing button In a group control the indoor unit with number displayed firstly is set to the header unit Every pushing _UNIT_ the indoor unit numbers in the group control are successively displayed Select the indoor unit of which setup is to be changed In this time as the fan and louver of the selected indoor unit operate the position of the indoor unit of which setup is to be changed can be confirmed Using the setup temperature 4 and w buttons specify the code Z7 Using the timer time 4 and v buttons select the setup data 7 7 Priority 2 7 No priority 21177 Push SET button In this time the setup operation fin
284. ise an injury may be caused by parts etc Before work be sure to recover the refrigerant into a cylinder or the other linked unit so that there is no refrigerant in the outdoor unit Disassembling Example Heat exchanger Right 1 Remove the cabinet 2 Remove the motor base M5 x 10 4 pcs 3 Remove the motor base bracket M5 x 10 5 pcs 4 Take off screws of the heat exchanger fixing board M5 x 10 6 pcs 5 Take off screws of the support M5 x 10 3 pcs 2 6 Take off screws of waterproof board M4 x 10 3 pcs 7 Remove brazing section of the connected pipe 4 positions 8 Take off screws of the support at rear side and then pull out the heat exchanger M5 x 10 2 pcs 251 Remarks 2 Motor base 5 Support 7 Brazing section 2 positions at header side 7 Brazing section 2 positions at distributor side 8 Support Draw out it backward Draw out forward in case of left side of the heat exchanger Part to be exchanged Helnverter assembly Removal of box Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc 1 Stop operation of the air conditioner and then turn off switch of the breaker 2 Take off the inverter cover M4 x 10 2 pcs 3 Take off screws fixing the box 1 pc each at upper and lower sides 4 Push down lightly the fixing claw at lower side to take off the claw Lo
285. ishes when the display changes from flashing to lighting After setup operation has finished push gt button Setup is determined When pushing A button the display disappears and the status returns to the usual stop status The remote controller operation is not accepted for approx 1 minute NOTE Only one indoor unit can be set to Priority If the multiple indoor units are accidentally set to Priority an error code L05 or L06 Duplicated indoor unit priority is displayed To the unit displaying L05 0001 Priority is setup Separate a unit which you will give priority from the other indoor units and return the setup data of the other indoor units to 0000 No priority Error code Error contents Indoor unit priority duplication 12017 is set up Indoor unit priority duplication 77 is set up 82 7 2 2 Applied Control in Outdoor Unit The following functions become available by using a control P C board sold separately Set up the switches or the header outdoor unit U1 Function Switch No i Connector No Used control P C board Power peak cut control Standard TCB PCDM2E Power peak cut control Expansion TCB PCDM2E Snowfall fan control 2 External master control TCB PCMO2E Night operation control TCB PCMO2E Operation mode selection control TCB PCMO2E Outdoor unit interface
286. isplay of the connected remote controller flashes Check the connected remote controller Push the push switch SW05 on the interface P C board of the header unit for 2 seconds or more End Other end conditions 1 10 minutes passed for sending operation 2 SWO1 SW02 or SW03 changed to other position 7 segment display A 7 segment display B Interface P C board 120 8 7 5 Pulse Motor Valve PMV Forced Open Close Function in Indoor Unit This function is provided to open or close forcedly PMV for 2 minutes in all the indoor units by the switch opera tion on the interface P C board of the header unit This function is also used to open PMV fully when turning off the power and executing an operation Operation Open fully Set the switch SWO01 on the interface P C board of the header unit to 2 SW02 to 3 SW03 to 1 and push SW04 for 2 seconds or more Display appears on 7 segment display for 2 minutes as follows P FF Close fully Set the switch on the interface P C board of the header unit SW01 to 2 SW02 to 3 SW03 to 1 and push SW05 for 2 seconds or more Display appears on 7 segment display for one minute as follows P 00 Clear After 2 minutes 1 minutes for Close fully passed when setup has finished the opening automatically returns to the normal opening 8 7 6 Pulse Motor Valve PMV Forced Open Fully Close fully Function in Out
287. it Corresponding unit only stops At least one indoor unit connected to a group existed in the individual indoor units Check indoor address Indoor Indoor group address unset Corresponding unit only stops Address was not yet set up Check indoor address Note After installation this code is displayed when the power is firstly turned on Indoor Indoor capacity unset Corresponding unit only stops Indoor unit capacity was unset Set up indoor capacity DN 11 VF Outdoor capacity unset All stop On the I F PC board for service jumper line was not cut according to the model Check model setup on outdoor P C board A ssy for service AI NET Indoor Duplicated central control addresses All stop Duplicated central control addresses Check central control address Check network adaptor P C board In case of AI NET VF Quantity over of connected outdoor units All stop There were more than four outdoor units Check No of connected outdoor units Max 4 units per 1 system Check communication line between outdoor units Check outdoor P C board error IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error communication error between IPDU and P C board outdoor P C board error IPDU quanti
288. itch SW10 on the interface P C board of the outdoor unit to ON side For the outdoor units which are connected with the ducts set this function regardless of the header unit or follower unit B Specifications Increase No of rotations of the propeller fan of the outdoor fan so that a duct with the maximum outside static pressure 35Pa 3 5mmAq can be installed If installing a discharge duct Below 35Pa 3 5mmAq exceeding the duct resistance 15Pa 1 5mmAq execute this setup Discharge air volume in each outdoor unit is described in the following table Capacity rank MMY MAP 0501 0601 type 0801 type 1001 1201 type Standard air volume of outdoor unit m3 min 150 165 175 7 2 1 2 Cooling Priority Heating Priority Control B Usage Features Cooling priority or heating priority can be selected There are the following four patterns in selecting setup of the priority mode Select a priority mode based upon the demand of the destination to be installed B Setup Note Specific indoor unit priority mode only it is necessary to set up an indoor unit only which you desire to give priority 1 Outdoor unit Header unit only setup Operation Heating priority Setup at shipment Cooling priority No of operating units Priority is given to operation mode with which much more units operate Specific indoor unit priority Priority is given to operation mode of the indoor unit to which the operat
289. ite Are output voltage characteristics NO Se sor error of Ps sensor normal YES 1 Pressure Check joint by pressure gauge 2 Pressure display on 7 segment display 3 Output voltage of P C board If 1 and 2 3 are different an error of pressure sensor itself is considered If 2 and 3 are different check interface P C board Check compressor Is not refrigerant by passed from discharge to suction of 4 way valve Is there no leakage from 5 4 valve YES Replace 5 4 valve Check 4 way valve _ Check Check code Cause of operation F24 43 Pd sensor error Output voltage error of Pd sensor d07 AI NET It is output voltage error of Pd sensor Check disconnection of connection of connector Pd sensor CN501 circuit and output voltage of sensor If the sensor is normal replace outdoor P C board 168 Check code name code name Check code name Cause of operation F29 12 Indoor other error Indoor P C board error d07 AI NET EEROM error This error is detected during operation of air conditioner of IC10 non volatile memory EEPROM on indoor unit P C board Replace service P C board If EEPROM was not inserted when power was turned on or it is absolutely impossible to read write EEPROM data the automatic address mode is repeated In this case 97 error is displayed on AI NET central controller A
290. ite or zero Open Short Check connection of TK2 sensor connector Check characteristics of TK2 sensor resistance Check outdoor P C board error Resistance value of sensor is infinite or zero Open Short Check connection of TK3 sensor connector Check characteristics of TK3 sensor resistance Check outdoor P C board error Resistance value of sensor is infinite or zero Open Short Check connection of TK4 sensor connector Check characteristics of TK4 sensor resistance value Check outdoor P C board error Compressor 2 case thermo operation Compressor 2 case thermostat operated Check compressor 2 case thermo circuit Connector cable P C board Check full opening of service valve Gas and liquid side Check outdoor clogging PMV1 2 Check SV42 valve leak Check miscabling misinstallation of SV41 and SV42 Check valve opening of indoor PMV Check 4 way valve error Check refrigerant shortage Check compressor error 01 TK1 oil circuit system error 02 TK2 oil circuit system error 03 oil circuit system error 04 TK4 oil circuit System error Oil level detective circuit system error MG SW error OCR operation W Magnet Switch Over current R stop elay Temperature change of TK1 could not be detected though compressor 1 started the operation Check
291. its is determined The header unit sets the start order of the follower unit connected to the system and then starts the operation 2 Two compressors in the outdoor unit rotate every stop of compressor and exchanges the start order when the compressor will be ON in the next time 3 When two or more follower units are connected if the system thermostat is OFF the rotation is judged every compressor OFF of the follower unit and the start priority order of the follower units in the next start time is exchanged Remarks Min frequency 26Hz Oil level detection control 1 Based upon the detected temperature of TK1 to TK4 sensors whether the right amount of oil is included in the compressor case or not is judged The header unit and follower unit perform this control individually 2 From relation between the detected temperature of the operating compressor TK1 or TK2 and detected temperature of TK3 TK4 whether oil level in the compressor case is right or not is judged If it is insufficient the control shifts to the oil equation control 3 This control is usually performed during operation of the compressor Compressor 2 HQ Balance pipe Packed valve lt 69 The detection is per formed in both cases of operation of a compressor and operation of two compressors Oil equation control Operation explanation and applied data
292. k Code is displayed in check code window Indoor unit address with error is displayed in UNIT No Every pushing temp set buttons the error histories stored the memory dis played in order The numbers in item code indicates item code 01 Latest to 04 Oldest Do not push CL button because all the error histories of the indoor unit will be deleted After confirmation push E button to return to the usual display 133 In case of TCC LINK central control remote controller TCB SC642TLE ia TTR C22 C3 8 69 A0 TC ED A2 A3 A4 C199 16 SABO HCO ol IN 8 UB tig GROUP um 28088 AAMMO BIC amp c E _ 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are displayed on the display section of the remote controller The check code is displayed while the air conditioner operates If the display disappeared operate the air conditioner and check the error based upon the following Confir mation of error history Unit No display Alarm display UNIT No o WB D mo ME Alternate flashing display IU RC No 2 Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed
293. k code Check code name Cause of operation E23 15 Communication sending error Inter unit cable connection error between d07 AI NET between outdoor units outdoor units Communication connector connection error between outdoor units I F P C board error End terminal resistance setup error between outdoor units Is there no miscabling or disconnection on communication line between outdoor units YES Correct communication line NO Is connection of CNO3 connector on outdoor I F P C board normal YES Is not main power of outdoor unit turned off NO Is the end terminal resistance between outdoor units turned on SW30 Bit 1 NO Correct cabling of cable connector YES Turn on main power of outdoor unit NO Turn the end terminal resistance to ON YES Clear check code Did power failure occur NO YES Is there no noise source etc Check and eliminate noise etc NO Check outdoor I F P C board Defect Replace 160 Check code Check code name Cause of operation E25 15 Duplicated follower Addresses are duplicated by manual setup of 407 AI NET outdoor address setup outdoor address Do not set up outdoor address manually Check code Check code name Cause of operation E26 15 Decrease of connected outdoor 1 Outdoor unit backup setup d07 AI NET units Outdoor power error Communicatio
294. k indoor address Check the change of remote controller connection Group individual after setup of indoor address Remote controller Duplicated master remote controllers Corresponding unit only stops In 2 remote controller control including wireless both are setup as master Header indoor unit stops and other indoor unit is operating Check remote controller setup Check remote controller P C board Communication error between indoor board assembly Corresponding unit only stops There is any trouble in power line Indoor P C board failure 151 Main remote controller Outdoor 7 segment display Check code Sub code 01 Indoor outdoor communication 02 Between outdoors communication AI NET central control remote controller Detected position Check code name Automatic address start error Status All stop Error detection condition When indoor automatic address started other refrigerant circuit system was setting automatic address When outdoor automatic address started indoor automatic address was executed Check item position Setup the address again after disconnecting communication connection with other refrigerant circuit system No corresponding indoor unit during automatic address All stop Indoor unit is not found when indoor automatic address start was set up
295. k outdoor board I F IPDU Fan IPDU error Check external noise Check power supply P C board for fan error Indoor TCJ sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of TCJ sensor connector Check characteristics of TCJ sensor resistance value Check indoor board error Indoor TC2 sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of TC2 sensor connector Check characteristics of TC2 sensor resistance Check indoor board error Indoor TC1 sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of TC1 sensor connector Check characteristics of TC1 sensor resistance Check indoor board error TD1 sensor error stop Resistance value of sensor is infinite or zero Open Short Check connection of TD1 sensor connector Check characteristics of TD1 sensor resistance Check outdoor P C board error TD2 sensor error stop Resistance value of sensor is infinite or zero Open Short Check connection of TD2 sensor connector Check characteristics of TD2 sensor resistance Check outdoor P C board error TE1 sensor error
296. ken line indicate the wiring at side 3 indicate the control p c board Power si circuit Color indication upply it Control P C board for undoor unit MCC 1403 CNO61 CN032 YEL WHI Parts name RED RED Fan motor Running capacitor WHI WHITE YEL YELLOW Transformer BLU BLUE ndoor temp sensor BLK BLACK TC1 TC2 TCJ Temp sensor GRY GRAY RY001 Louver control relay PNK PINK RY002 Drain control relay ORN ORANGE 004 Heater control reley BRW BROWN GRN GREEN 005 007 Pulse motor valve Fan motor control rela Sd AI DuipueiS 10014 6 1 2 H8LtcOdV HaL8LOdV Harsrodv 0 Hal600dV HaLZ00d V TIAIN Vc Control PC board YEL for Indoor unit MCC 1403 FUSE qj 15 0A 250V 1 1 1 1 r1 1 1 BLK E EXCT E FILTER 0 iCNO4 P jer Color PX 044 CN050 CN075 061 CN032 CN060 na 2 BLU LU WHI WHI indication E P lt RED RED E o WHI WHITE EM i YEL YELLOW by BLU BLUE 1721 1 BLK BLACK 09 Sub
297. le If it is not hooked recheck 3 there is no clearance between band and rubber 257 Align direction of the slits 1 Matching the claws slide them Align the claw to slit side of the rubber Slide it Push the band against rubber without clearance Slide the square hole side toward arrow mark 4 Push claw side against the rubber Part to be Work procedure Remarks exchanged Exchange of accumulator REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc Before work be sure to recover the refrigerant into a cylinder or the other linked unit so that there is no refrigerant in the outdoor unit 1 Remove the lower cabinet rear side 2 Take off fixing screws M6 x 3 pcs for accumulator leg lt gt base board 3 Remove the accumulator fixing board gt fixing screws of accumulator M6 x 2 pcs The accumulator fixing board is fixed to the middle partition board Take off the screws only which fix to the accumulator unit 4 Remove the pipe brazing part connected to SV2 valve 5 Remove the discharge cabinet fan and motor base 6 Take off the accumulator cover e fixing screws M5 x 4 pcs of the middle partition board and then pull out it upward 7 Using a pipe cutter cut off entrance exit pipe of accumulator at the specified posi tion For the cut o
298. ler Confirmation of indoor unit address and the position 1 When you want to know the indoor address though position of the indoor unit itself can be recognized Procedure Operation while the air conditioner operates 7 stops push 2 D button 2 Push uNiT button The unit NO is displayed on the LCD Disappears after several seconds The displayed 1 unit No indicates the line address and indoor Operate address If there is other indoor unit connected to the same remote controller Group control Operation procedure 152 2 When you want to know position of the indoor unit using the address To confirm the unit numbers in a group control Procedure Operation while the air conditioner stops The indoor unit numbers in a group control are successively displayed and the corresponding indoor fan is turned on Operation while the air conditioner stops 1 Push F buttons simultaneously m SETDATA mr 00 for 4 seconds or more Unit No is displayed The fans of all the indoor units in a group control are turned on UNIT button the indoor 3 LEER ETE EN 2 Every pushing unit numbers in the group control are End successively displayed Th
299. ller Replace remote controller Check code Check code name Cause of operation E03 97 Communication error between No communication from remote controller and d07 AI NET indoor and remote controller communication adaptor Detected at indoor side This error is detected when the indoor unit cannot receive a signal from the remote controller Check communication cables of the remote controllers A and B As communication is impossible this check code E03 is not displayed on the main remote controller It is displayed on TCC LINK central controller 150 Check code Check code name Cause of operation E04 04 Indoor Outdoor Power of outdoor unit was firstly turned on d07 AI NET communication circuit error Connection error of communication line Detected at indoor side between indoor and outdoor End terminal resistance setup error on communication between indoor and outdoor Address setup error NO Turn on power again in order of indoor unit outdoor unit Was power turned on in order of indoor unit gt outdoor unit YES Is connection U1 U2 terminals of NO DC indoor outdoor inter unit cable normal Correct inter unit cable Is connector connection from NO U1 U2 terminals of indoor outdoor Correct connector connection inter unit cable normal NO Correct the end terminal resistance setup 15 the end terminal resistance setup of outdoo
300. low 500cc a trouble on the oil equalization circuit etc is considered Check the compressor based upon 15 3 Check procedure search the cause of com pressor oil shortage 2 In case of oil amount of the troubled compressor A cc is 1000 A 1900 1 Adjust oil amount in the service compressor to A cc Lay down the service compressor and then extract oil by 1900 A cc from the oil equalization pipe 3 In case of oil amount of the troubled compressor cc is 1900 lt A 1 Adjust oil amount in the service compressor to A cc Insert a hose into the discharge pipe or oil equation pipe of the service compressor and then add oil by A 1900 cc using a funnel or so on 244 In case of replacing of both troubled and normal compressors Removal of normal compressor Remove the normal compressor same as the case to remove the troubled compressor NOTE Be sure to apply insulation to the removed cable terminals with insulating tape etc A WARNING Be careful that oil in the pipe may emit fire when broiling the welded point with a burner lt Measurement of oil amount in the normal compressor gt As same as measurement of oil amount in the troubled compressor put the compressor on a scale and measure oil amount Oil amount of the normal compressor B cc Removed compressor mass kg 23 5 x 1042 Specific gravity of oil 1042 cc kg NOTE When th
301. lse signal Max AC240V i locally Outdoor unit destination to be connected becomes the header outdoor unit U1 In case of serial signal Setup when Power peak cut control requested Power peak cut control board Outdoor unit interface P C board TCB PCDM2E SW07 Bit 1 OFF SW07 Bit 1 ON Power peak cut ON signal is input 0 Forced stop Capacity 60 Upper limit restriction Power peak cut OFF signal is input 10096 Usual operation 10096 Usual operation Setup positions of header outdoor unit Connector position magnified drawing interface P C board OFF Operation stop to 10096 5 07 Bit 1 ON ON 60 to 100 84 7 2 2 2 Power Peak cut Control Expansion Header outdoor unit interface P C board Operation Set up Bit 1 The upper limit capacity of the outdoor unit is restricted ON Bit 2 based on the demand request signal from outside Setup to L1 Display lamp during Power peak cut control CN513 BLU nee SW1 Power peak cut ON switch 1 nae SW2 Power peak cut OFF switch 1 Power peak cut 1 control board Input signals of SW1 and SW2 are acceptable even if they Ne are upper than pulse input 100mm sec or serially made Be sure to prepare a contact for each terminal Relay contact capacity of operation port Below AC240V 1A COS 100 Below DC24V Non inductive load Note When connecting non inductive load such as relay coil to L1 load insert
302. lves of other outdoor unit balance pipes Setup for outdoor unit for adjustment of pressure 10 Set up the rotary SW01 02 03 to 1 2 2 on the interface P C board of the outdoor unit for adjustment of pressure 11 As the low pressure data is displayed on 7 segment display section close the service valves of the gas pipe slowly by confirming by confirming the pressure data and then adjust so that the pressure becomes around 0 12MPa 12 When the low pressure of the troubled outdoor unit has become almost same as that of the unit for pressure adjust ment close fully the service valve of the gas pipe of the unit for pressure adjustment after operation for a while Setup for the troubled outdoor unit 13 When the low pressure of the troubled outdoor unit becomes below 0 10MPa close fully service valve of the balance pipe and then push SWO5 on the interface P C board to finish the pump down operation 14 Turn off the power supplies of all the outdoor units and use a refrigerant recovery device to recover the remaining refrigerant in the outdoor unit which the pump down operation has completed Be sure to measure the recovered refrigerant amount It is because addition of refrigerant corresponding to recovered amount is necessary after repair 6 Close fully service valve of the gas pipe approx 10 minutes after the system has started 9 Close fully balance pipes of the outdoor units other than unit for pressu
303. mostat is OFF operation stops and A C stops in trouble PMV opening Outdoor fan control 1 Cooling fan control 1 Outdoor fan speed mode is controlled based upon When TE temp ambient detected Pd pressure value temperature exceeds 25 2 In a specified time when cooling operation started Heating operation stops the center outdoor unit controls the outdoor fan Over the operation temp speed based upon detected Pd pressure value condition of ambient temp The follower outdoor unit controls the outdoor fan speed mode based upon detected TE sensor temp 2 Heating fan control 1 Outdoor fan speed mode is controlled based upon detected TE sensor temp 2 IF TE gt 25 has been continuously detected for 5 minutes the operation may stop In this case the status is same as one in usual thermostat OFF so the operation restarts 3 After A C started this control is not performed during the specified time after defrost operation and defrost control 4 When refrigerant is excessively shortened START STOP operation may be repeated by this control 3 Control for follower unit stop The fan is driven with lower limit mode to prevent refrigerant accumulation into the outdoor heat ex changer 68 Capacity control Operation explanation and applied data etc 1 According to the capacity demand command from the indoor controller the inverter frequency control of the header and follower un
304. mount of the normal compressor Adjust oil amount based upon the measured oil amount This flowchart is the standard one of compressor replacing Various cases are considered at each field Replace the compressors based on the following conditions of judgment 1 Oilof 1900cc is charged in a compressor for service 2 Oil amount is 3800cc in an outdoor unit at shipment 3 When a compressor is removed it usually includes oil with 800 to 1400cc Oil separator usually holds oil with 0 to 1000cc Install two compressors Check leakage of the troubled outdoor unit Vacuuming for the troubled outdoor unit Charge the refrigerant END 242 15 2 Replacing Compressor Concept of exchange When exchanging the compressor extract oil from the defective compressor and decide to exchange the defective compressor or two compressors based upon the limit sample If oil color ASTM is 4 0 or more both compressors should be replaced A CAUTION A compressor weighs 20kg or more The two personnel should work for a compressor M5 screws 2 positions lt Removal of defective compressor gt Turn off power of the troubled outdoor unit Take off the front panel M5 x 7 Claw for Take off cover of the electric parts box M4 x 2 Take off the screws M5 x 2 fixing the electric parts box to the outdoor unit Take off claw for temporary
305. n 245 Installation of compressor Install the compressor in the reverse procedure of removal When removing the compressor Fasten receptacle terminals of the compressor may be loosened Prior to the installation caulk a little to them with radio pinchers reinsert them into the compressor and then check there is no looseness NOTES Only two hexagonal bolts are provided to a compressor but it is not lacking The tightening torque of the hexagonal bolt to fix the compressor is 200kg cm If oil has been extracted from the accumulator braze the cutoff pipe after pinching lt Vacuuming gt In case of single outdoor system gt Connect vacuum pump to the valve charge ports of the liquid and gas pipes and the check joint at high pressure side and then drive the vacuum pump Vacuum until the vacuum low pressure gauge indicates 1 mmHg NOTE Before vacuuming open PMV fully Vacuuming may not be executed for the heat exchanger of the outdoor unit under condition of PMV closed In case of multiple outdoor units system In case of conducting the refrigerant recovery at replacing the compressor perform vacuuming as 13 3 Process after repair lt Full opening of PMV gt Turn on power of the outdoor unit Short CN30 I F PC board of the outdoor unit Turn off power of the outdoor unit within 2 minutes after short circuiting Refrigerant charging Add the same amount of ref
306. n 508 509 510 BUS terminal 209 510 End terminal select CN300 301 CN600 515 501 512 SW30 Jumper select Sensor input TD1 CN502 TD2 CN503 TK1 CN514 SW41 42 TK3 CN516 CN311 1 TK4 CN523 TE1 CN505 TL CN521 TS1 CN504 SV51 CN310 507 SV2 5V CN312 GND SV3A N324 oe 12V SV3B CN313 3 3V Connection of power supply transformer ont a Option input output CN511 High pressure swith1 Dina doctor High pressure swith2 connecting terminal CN800 For transformer power supply CNA401 402 Case heater 1 Case heater 2 Accumulator SV3D SV3E For expansion BUS owe CN323 y 4 way valve R phase S phase CN317 OP Tphase input SWO6 to 14 ermo 2 Comp case thermo CN400 5 01 02 03 CN307 1 input SW04 05 15 2559 7 segment LED 224 Inverter P C board MCC 1502 Compressor output 2 z 4 Power supply input Eie AC400V iic GND Input current sensor 45V Communication between and Comp IPDU Reactor 2 IPDU2 only is connected AC230V input T3 15A 250V DC330V output IPDU1 only is connected Connection between Electrolytic IPDU1 and 2 DC330V input condenser Reactor 1 IPDU1 only is connected 225 Power board for fan MCC 1439 AC230V input 12 Communication between and fan IPDU Judgement 12V terminal 2 9 7 terminal GND Communication between fan IPDU ME 7V
307. n compressor shell YES Is not TK4 sensor detached Correct installation of sensor NO Correct miscabling misinstallation Is there no miscabling or meis ta Hon YES on 1 2 4 sensors TK3 CN516 TK4 CN52 NO CN523 Are characteristics of TK4 sensor resistance value normal YES YES Does OCR of MG SW operate Reset OCR manually 2 NO i No error Check the of SV3E valve Check board 1 Refer to item H07 error 2 f OCR operates even after manual reset of OCR check whether the wiring to the current sensor TO2 of Comp IPDU is correct or not Replace 5 valve Check the clogging of SV3E valve NO Sensor error Replace Error 181 Check code name Check code name Cause of operation L03 96 Duplicated indoor header units There were two or more indoor header d07 AI NET units in some remote controller group control 1 Check the connection changing of the remote controller after the connection has been changed 2 If the group configuration and address are normal when power has been turned on the mode automatically shifts to address setup mode Re setup of address Refer to Address setup Check code name Check code name Cause of operation L04 96 Duplicated setup of outdoor line address Outdoor line addresses are duplicated 907 AI NET YES Is there duplicated line a
308. n line connection error between outdoor units Connector connection error for communication Outdoor I F P C board error Sub code No of outdoor units which received signals normally 5 Clear the error and then start operation 1 Is outdoor unit setting backup NO NO Is main power of follower unit turned on Turn on the main power supply YES Is communication line between NO C TREE outdoor units connected normally orrect connection of communication line YES Is communication connector CNO3 between follower outdoor units connected Correct connector connection Communication connector Check I F P C board 1 How to clear the error Set SW01 SW02 SW03 on P C board of header unit to 2 16 1 and push SW04 for 5 seconds or more 7 segment display Er CL 161 Check code Check code name Cause of operation E28 d2 Follower outdoor unit error Follower outdoor error d07 AI NET Sub code Detected outdoor unit No M An error occurred on the follower unit Check the check code of follower unit on 7 segment display on I F P C board of follower unit and then check according to Diagnose procedure for each check code How to specify the follower outdoor unit in which error occurred If pushing SW04 for 1 second or more under condition that E28 is displayed on 7 segment display of the header unit the fan o
309. n of connector TS1 sensor CN504 White and characteristics of sensor resistance value Refer to Outdoor unit tem perature sensor characteristics If sensor is normal replace outdoor I F P C board 165 Check code name code name Check code name Cause of operation F13 43 TH sensor error IGBT built in sensor error in A3 IPDU d07 AI NET 5 Sub code 01 Compressor 1 side 02 Compressor 2 side M This error code means IGBT built in temperature sensor error Check connection of connectors on IPDU P C board and CN600 on I F PC board If sensor is normal replace IPDU P C board Check code name Check code name Cause of operation F15 18 Outdoor temp sensor miscabling Misinstallation and misconnection of TE1 d07 AI NET TE1 TL sensor and TL sensor Resistance characteristics error of TE1 sensor and TL sensor Outdoor board error Are installed positions of NO Correct installed positions of TE1 sensor and TL sensor correct TE1 sensor and TL sensor YES Outdoor P C board TE1 sensor CN505 Green TL sensor CN521 White Correct connection of connectors YES wa E Correct connection of connectors YES Outdoor unit temperature sensor characteristics See TE1 sensor Characteristics 5 TL sensor Characteristics 2 Check outdoor I F P C board Defect Repl
310. nal block connector of indoor unit ls group control operation YES Are powers of NO Check power connection status all indoor units turned on of indoor unit YES gt Check indoor address gie iu oe Correct indoor address 158 Check code Check code name Cause of operation E19 96 Header outdoor units quantity error 1 Misconnection of inter unit cable between d07 AI NET indoor and outdoor 2 Outdoor I F P C board error Sub code 00 No header unit 02 Two or more header units Are not communication lines 01 02 between indoor and outdoor connected to multiple outdoor units Is communication line between indoor and outdoor connected to one unit per 1 system YES Check board YES Connect communication line between indoor and outdoor to one unit per 1 system NO Connect communication line between indoor and outdoor Reference An outdoor unit connected with communication wires U1 U2 between indoor and outdoor is the header unit Checkcode _ code Check code name Cause of operation E20 42 Unit connected to other line When starting automatic indoor address a d07 AI NET during automatic address device in other line is connected z Sub code 01 Connection of outdoor in other line 02 Connection of indoor unit in other line Separate the wire between lines according to address setup method 159 Chec
311. ng operation all the solenoid valves of 4 way are OFF and all compressors are driven Release valve control Operation explanation and applied data etc 1 SV2 gas balance control This control is executed to balance the gas when opening SV2 while the compressor is off in order to decrease the activation load in the next compressor ON time This control is individually executed by the header outdoor unit and each follower outdoor unit 2 SV2 high pressure release control This control is to control pressure rising in low frequency operation of the inverter 3 SV2 low pressure release control This control is to prevent quick pressure dropping in transient operation This control is individually executed by the header outdoor unit This control is executed as necessary except during stop time and thermostat OFF time 4 SV41 42 low pressure release control This control is to prevent low pressure dropping and is individually executed by the header unit and each follower unit This control is executed during defrost operation heating start pattern control operation and cooling operation 5 SV5 high pressure release control This control is to prevent high pressure rising and is executed for the header unit only Remarks Compressor stop by high pressure release control This control is to forcedly stop the compressor in each outdoor unit according to Pd pressure It is individually executed by the header unit an
312. nit with trouble is the header or follower unit 2 Turn on both Bit 1 and 2 of the SWO6 on the interface P C board Close fully the service valve of the liquid pipe when there is leakage of outdoor PMV PMV does not close 4 Turn on the main power supplies of all the units connected to the system If the trouble is a compressor insulation error and others remove the wiring to the compressor before turning on the power supply CO Then the backup setup for the outdoor unit in cooling season has finished Turn on Bit 1 and Bit 2 of Dip SW06 232 12 OIL LEVEL JUDGMENT DISPLAY The judgment result of the current oil level of the compressor can be confirmed by the switch setup on the interface P C board of the outdoor unit Confirm the result in the following procedure 1 Operation procedure 1 Start the operation 2 Set up the switches on the interface P C board of the outdoor unit of which judgment result of oil level is to be confirmed as shown below SW01 SW02 SW03 1 16 1 3 The judgment result of the oil level is displayed on 7 segment display 7 segment display oL A00 The right 3 digits indicate the judgment result The judgment results of the oil level in compressor 1 and compressor 2 are displayed Example A O Oil level result of compressor 1 Oil level result of compressor 2 Display example 7 segment display oL A00 Oil level is appropriate in compressor 1 and 2 oL A01 O
313. nn 000000 wal ORN ORANGE ree eee Line Filteri 11213741576 BRW BROWN Lge GRN GREEN RED A LJ Closed end N TR Indoor unit connector 000000000000 Parts name earth screw WHI Fan motor Running capacitor p Transformer e ndoor temp sensor Power supply TC1 TC2 TCJ Temp sensor Single phase 1 Indicates the terminal bolock 001 Louvar control rela wr sd Letter at inside indicates the terminal number Drain control relay Outdoor unit Remote Controller 2 A dotted line and broken line indicate RY004 Heater control relay the wiring at side 3 indicate the control p c board RY005 007 Fan motor control relay PMV Pulse motor valve HLbZ0dV HL8LOdV HLSLOdV HLZLOdV HL600dV HEZo0d V TININ 1euiqe Buipuels 10014 8 1 2 AAA AAA AAA AAA AAA AAA AAA AA AAA AOA For AP0071BH AP0091BH AP0121BH _IREDIBLK JORNIBLU c RED WHI Flow selector unit earth Screw Closed end iz Network adapter Option 7 CNO1 WHI CX 003 i1 cd 1 A CNO3 RED MCC 1401 i connector Yo D 7 Outdoor unit Remote Controller 1 O Indicates the terminal bolock Letter at inside indicates the terminal number 2 A dotted line and bro
314. nt steps 8 9 Turn off the power supply the outdoor control unit Turn off the power supply of the outdoor unit Confirm that the charged voltage of the condenser has been fully discharged Confirm that the voltage between CN13 and CN15 is OV Remove all of the connector and fasten and screw terminals connected to the A3 IPDU board Remove the connector and fasten terminals by holding them Remove 2 screws that fix the IGBT Q200 of the Comp IPDU board to the heat sink Remove the Comp IPDU board from the four card edge spacers Set the dip Switch SW801 of the Comp IPDU board as instructed in the table below If the model is not specified inspection L29 is displayed and the equipment will not operate Comp IPDU No JAt shipment No 1 After setting the dip Switch of the service board apply silicone grease evenly onto the IGBT and install it in the outdoor control unit Confirm that it is securely fixed to the card edge spacers Fix the IGBT of the Comp IPDU board to the heat sink with two screws serted 10 If a component part on the board is bent during board replacement adjust it manually not to contact other parts 11 Install the cover then turn on the power supply Check the operation Board layout the inverte Switch layout on the board Interface board Terminal Comp IPDU Comp IPDU CN15 O To5 TO4 Llo No 1 No
315. nual Please read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication Explanation DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the WARNING engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the CAUTION engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents
316. o noise etc Check noise etc and eliminate it if any NO Check indoor P C board NOTE Defect Replace 1 When signal is not sent for a certain period from the indoor unit which has used to send signals normally E06 is displayed 152 Check code Check code name Cause of operation E07 Indoor Outdoor 1 Indoor outdoor communication end terminal d07 AI NET communication circuit error resistance setup error Detected at outdoor side 2 Indoor outdoor communication connection error Is setup of end terminal resistance NO of outdoor unit normal YES Correct setup of end YES terminal resistance Is inter unit cable U1 U2 between indoor and outdoor short circuited Is connection of inter unit cable between indoor and outdoor correct YES Correct short circuit Correct communication line Is F400 fuse on I F board opened Is there no error on power cable to outdoor unit NO YES Check conduction with tester Correct power cable Turn on power to start operation YES Is there noise source NO Eliminate noise P C board failure However an emergent operation is Outdoor P C board failure available by inserting connector to Replace be connected to 1 to CN33 153 Checkcode code Check code name Cause of operation E08 96 Duplicated indoor addresse
317. occurred on the outdoor PMV Selection of header unit 5 Select a header unit among the follower units based upon the following criteria If only one follower unit is connected select it as the header unit When two or more follower units are connected select an outdoor unit nearest to the header unit as the header unit 230 Setup for the unit selected as the header unit 6 Match the setup of SW13 and SW14 on the interface P C board with SW setup of the unit with trouble Refrigerant system address setup 7 Turn on Bit 2 of SW09 on the interface P C board Setup not to detect the indoor capacity over 8 Match the setup of SW30 Bit 1 and 2 on the interface P C board with SW setup of the unit with trouble Setup for end terminal resistance of communication Outdoor interface P C board of the unit selected as the header unit 6 Set SW13 and SW14 to same values as those of the unit with trouble 8 Set Bit 1 2 of SW30 to same values as those of the unit with trouble Turn on Bit 2 of 1 ul SW09 Connection change of the communication line 9 Change the communication line between outdoor and indoor from U1 U2 terminal of the header unit with trouble to U1 U2 of the unit selected as the header unit 10 central control device is connected connect the communication line U3 U4 of the central control system to the communication line 03 04 terminal of the unit selected as the header unit
318. of error check code by power reset This function is provided to clear error in a refrigerant circuit system by resetting the power of all the outdoor and the indoor units Restart of error detection As same as the clearing method on the interface P C board errors of both the outdoor and the indoor units are once cleared lt Method gt 1 Be sure to reset power of both the outdoor and the indoor units 2 Turn on the power of the indoor unit prior to the power of the outdoor unit If the power is turned on in reverse order a check code E19 No of header unit error is output NOTE After power reset it requires usually 3 minutes to power on due to the initial communication of the system In same cases it requires Max 10 minutes 119 8 7 4 Remote Controller Distinction Function This function is provided to distinguish the remote controller connected from the outdoor unit to the indoor unit for a refrigerant circuit system using switches on the interface P C board of the header unit Distinction procedure Be sure turn on the power of the indoor unit prior to the power of the outdoor unit Set the display select switches on the interface P C board of 7 segment display the header unit as follows A B SW01 2 1 1 SWO02 4 SW03 5 1 Operation Push the push switch SW04 on the interface P C board of the 7 segment display header unit for 2 seconds or more A A 1 1 FF P d
319. of the operation needs to be set up once afterward the air conditioner can be used by pushing button only REMOTE CONTROLLER ic _ JCS Goss 1 Air volume select button Selects the desired air volume mode 2 Timer set button TIMER SET button is used when the timer is set up Check button The CHECK button is used for the check opera tion During normal operation do not use this button Fan button FAN button is used when a fan which is sold on the market or etc is connected If No function is displayed on the remote controller when pushing the FAN button a fan is not connected 5 Filter reset button Resets Erases FILTER display 7 Operation lamp Lamp is lit during the operation Lamp is off when stopped Although it flashes when operating the protection device or abnormal time 36 8 button When the button is pushed the operation starts and it stops by pushing the button again When the operation has stopped the opera tion lamp and all the displays disappear 9 Operation select button Selects desired operation mode 10 Set up temperature button Adjusts the room temperature Set the desired set temperature by pushing OPTION Remote controller sensor Usually the TEMP sensor of the indoor unit senses the temperature The temperature on the surround ing of the remote controlle
320. on In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that cool air diffuses the whole downward set point so that the hot air is spread to room the floor Left Right air direction adjustment When you change the blowout direction to left right direct the vertical grille inside of the air outlet flap to desired direction Setup of air direction and swing Refer to that of 2 way Air Discharge Cassette Type Under Ceiling Type Up Down air direction adjustment gt In cooling operation In heating operation In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that cool air diffuses the whole downward set point so that the hot air is spread to room the floor Left Right air direction adjustment gt When you change the blowout direction to left right direct the vertical flap inside of the air outlet flap to desired direction 44 Concealed Duct Standard Type When using a air outlet port unit sold separately adjust the air direction as follows In cooling operation In heating operation In cooling operation use the air outlet flap with In heating operation use the air outlet flap with horizontal set point so that cool air diffuses the whole downward set point so that the hot air is spr
321. on Many classification of communication incorrect setup system classification incorrect setup system Block display Indoor P C board Outdoor P C Communication Incorrect setup 4 ways Indoor protection board Cycle Communication Outdoor protection Sensor Compressor protection etc Displa Classification Display in wired remote controller gt A goes on UNIT No Check code Operation lamp Green flash Unused Central control system error Communication system error Display on sensor part in wireless remote controller Block display of combination of Each sensor error Failure Compressor protective system error Display on 7 segment in outdoor unit gt Unused Unit No and check code are displayed Setup error Other errors In acase of error with auxiliary code the check code and the auxiliary code are displayed alternately Protective device operation 2 Special mention 1 If this model is connected to AI NET by network adaptor the different check codes are displayed on the main remote controller New check code display on new remote controller and AI NET central control remote controller AI NET check code display on AI NET central control remote controller Example Indoor TA sensor error BUS AI NET central control Master remote controller remote controller 2 The check code of the
322. onditioner rotates the indoor fan with intermittent operation for approx 1 minute after recovery control 4 Only 4 way Air Discharge Cassette type air conditioner rotates the indoor fan with intermittent operation for approx 1 minute after recovery control as the outdoor unit n the indoor unit which thermostat is OFF or operates in FAN mode lamp goes on Recovery operation is usually executed every 1 hour Short intermittent operation compensation control 1 For 5 minutes after the operation has started the operation is continued even if entering thermostat OFF condition 2 However if the thermostat has been turned off by changing the set up temp the thermostat is OFF with even the above condition The protective control has priority Drain pump control 1 During COOL operation including DRY operation the drain pump operates 2 While the drain pump operates if the float switch works the drain pump continues operation and a check code is displayed 3 While the drain pump stops if the float switch works turn off the capacity demand command stop the operation and operate the drain pump If the float switch continues operating for approx 5 minutes the operation stops and the check code is displayed 4 In heating operation if humidifier provided is judged compressor compressor ON fan and MAX 2 gt 33 C the drain pump operates Check
323. ontact NO NO Does high pressure SW operate Is circuit cabling normal Check and correct cabling YES YES Check parts Failure Replace Are parts of high pressure SW normal YES NO Is service valve fully opened Open service valve fully YES Reset power supply and start a test Cooling Check P C board operation corresponded to the season Heating Failure gt Replace Are characteristics of high pressure sensor normal Replace the high pressure sensor Cooling operation Does cooling outdoor fan normally operate NO Repair faulty parts YES Connector connection fan IPDU fan motor wiring Is there a cause to interfere operation of heat exchanger of outdoor unit 1 Heat exchanger clogging 2 Air short circuit NO Is SV2 circuit normal YES Eliminate the interfered causes NO Repair SV2 circuit Coil error clogging disconnection of wiring etc 189 YES Refrigerant overcharge clogging pipe breakage abnormal overload condition Repair SV4 circuit Is SVA circuit normal Coil error clogging disconnection of wiring etc Heating operation Is indoor NO PMV normal YES Is there a cause to interfere operation of indoor heat exchanger 1 Air filter clogging 2 Heat exchanger clogging 3 Air short circuit YES
324. ontrol indicates values as described in the following table Night operation sound Capacity reduction dB A COOL HEAT 1201 type Approx 5596 Approx 1001 type Approx 6596 Approx 0801 type Approx 80 Approx 0601 type Approx 75 Approx 0501 type Approx 8596 Approx Against Max capacity External master ON OFF control board TCB PCMO2E Outdoor unit destination to be connected becomes the header outdoor unit U1 7 2 2 6 Operation Mode Selection Control Header outdoor unit interface P C board L CN510 4P WHI Connection cable External master control board Procured locally Operation SMC COOL mode specification input switch SMH HEAT mode specification input switch This control can be operated with the operation mode which is permitted by SMC or SMH The indoor unit operating by operation mode without permission is as follows 1 Display on remote controller Mode select controlled goes on 2 Indoor fan In FAN mode Fan normally operates In COOL mode Fan normally operates In HEAT mode Fan operates with ultra low speed Be sure to prepare a contact for each contact terminal Outside signal No voltage serial contact External master ON OFF control board TCB PCMO2E Outdoor unit destination to be connected becomes the header outdoor unit U1 87 8 TEST OPERATION 8 1 Procedure and Summary of Test Operation A test operation is executed
325. oor unit dropped below 0 10MPa close fully service valve of the balance pipe Push the push SW05 to finish the pump down operation 9 Close service valve of the gas pipe with checking the low pressure and then adjust the pressure to 0 12MPa 10 When pressure of the troubled outdoor unit manifold gauge and pressure of the header unit become almost same close valve of the gas pipe fully 12 Turn off the main power supply of all the outdoor units Using a recovery device the remained refrigerant in the outdoor unit in which pump down operation has finished and measure the amount All of the refrigerant recovery work has finished Return all SW01 02 03 of the header unit to 1 1 1 to complete the work 237 13 2 How to Operate the System during Repairing of the Defective Outdoor Unit Work procedure 1 Follow to the abovementioned 13 1 Refrigerant Recovery in the Troubled Outdoor Unit 2 Next recover the refrigerant in the system by using a recovery device etc The refrigerant amount to be recovered is determined based upon the capacity of the troubled outdoor unit See the following table Example In a case of backup for 10HP outdoor unit system in the original system HP 30HP system 37 5kg Refrigerant amount in system HP 20HP system after backup 28 0kg Refrigerant amount to be recovered 37 5 28 0 9 5kg 3 For the unit which refrigerant has been reco
326. oor unit number 01 to 04 Displays check code Latest code only is displayed There is no check code There is sub code Check code for 3 seconds for 1 second alternately lt SW04 gt push function Fan of unit with error only drives 7 segment E1 lt SW04 5 05 gt push function Fan of normal unit only drives 7 segment A EO lt SW05 gt push function Interruption of fan operation function A B t Operation mode Stop 1 Normal cooling C Normal heating H Normal defrost J Outdoor unit HP 5HP 5 6HP 6 8HP 8 10HP 10 12HP 12 HP Compressor operation command No 1 compressor operation command is displayed Data display with Hexadecimal notation 00 to FF No 2 compressor operation command is displayed Data display with Hexadecimal notation 00 to FF lt SW04 gt push function Inverter frequency is exchanged to decimal notation 7 segment display A B H Normal display by pushing lt SW05 gt Outdoor fan step Step 0 to 31 0 to 31 Compressor backup A Displays No 1 compressor setup status Normal Backup setup C1 Displays No 2 compressor setup status Normal Backup setup C2 A B gt Control valve output data Displays control output status of solenoid valve
327. operation Use the discharge 9 flap with horizontal Set point Use the discharge flap with downward set point When the air conditioner stops the flap adjustment plate of up down air direction directs downward auto matically When the heating operation is in READY states the flap adjustment plate of up down wind direction directs upward The swinging starts after HEAT READY status cleared SWING is displayed on the remote control ler even if the heating operation is in READY status How to set up the air direction 1 Push during operation The air direction changes for every push of the button In HEAT operation Direct the flap adjustment plate of up down air E direction downward If directing at upward hot air may not come to the foot Initial setup In COOL DRY operation Direct the flap adjustment plate of up down air direction upward If directing it downward the dew may from on the surface of the air dis In FAN operation In all modes charge port and may drop down Initial setup P ND How to start swing i a Initial setup 2 Push f _ set flap adjustment plate of up down air direction direction to the lowest position and then Display when stopping the swing push r SWING is displayed and the up down wind direction is a automatically selected lt Fan Heat Cool Dry How to stop swin
328. or board I F error 01 Compressor 1 side 02 Compressor 2 side TH sensor error stop Resistance value of sensor is infinite or zero Open Short IGBT built in temp sensor error Exchange IPDU board Outdoor temp sensor miscabling TE1 TL stop During operation of compressor in HEAT mode the TE1 detection temp was higher than that of TL by the specified value continued for 3 minutes or more Check installation of TE1 sensor and TL sensor Check characteristics of TE1 and TL sensor resistance value Check outdoor P C board error Outdoor pressure sensor miscabling Pd Ps stop High pressure Pd sensor and low pressure Ps sensor were exchanged or output voltages of both sensors are zero Check connection of high pressure Pd sensor connector Check connection of low pressure Ps sensor connector Check pressure sensors Pd and Ps error Check outdoor P C board error Check compression error of compressor Ps sensor error stop Output voltage of Ps sensor was zero Misconnection of Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check Ps sensor error Check compression error of compressor Check 4 way valve error Check outdoor board I F error Check SV4 circuit error Pd sensor error All stop Output voltage of Pd sensor was zero Sensor Open
329. or EEPROM write in error code display Displayed on the header unit only The latest error code written in EEPROM of each outdoor unit is displayed It is used when confirming the error code after power supply has been reset Set SWO01 to 03 as shown in the following table and the push 5 04 for 5 seconds or more to display an error code 7 segment display A Display contents The latest error code of the header unit 1 U1 The latest error code of the follower unit 1 U2 The latest error code of the follower unit 2 U3 The latest error code of the follower unit 3 U4 209 9 7 Sensor Characteristics 9 7 1 Outdoor Unit B Temperature sensor characteristics Characteristic 3 40 Outdoor TS1 TO TL sensors 200 30 150 g 5 8 8 8 20 100 57 10 50 0 10 0 10 20 30 40 50 60 70 0 Temperature 200 150 50 Resistance 10 or lower 0 30 20 10 Characteristic 4 10 20 30 40 50 60 Temperature Characteristic 5 Outdoor TE1 sensor 10 10 20 30 40 50 60 70 80 90 100 Temperature 210 Outdoor TD1 TD2 TK1 TK2 TK4 sensors 100 110 120 130 140 150 Resistance kW 10 or higher 10 0 Resistance kW 65 C or higher B Pressure sensor characteristics cable connection table High pressure side Pd Low pressu
330. ort of TL sensor Check disconnection of circuit for connection of connec tor TL sensor CN521 White and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check code name Check code name Cause of operation F08 1b TO sensor error TO sensor Open Short d07 AI NET This error code means detection of Open Short of TO sensor Check disconnection of circuit for connection of connector TO sensor CN507 Yellow and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace outdoor I F P C board Check code name code code Check code name Cause of operation F10 OC Indoor TA sensor error TA sensor Open Short d07 AI NET This error code means detection of Open Short of TA sensor Check disconnection of circuit for connection of connec tor TA sensor CN104 Yellow and characteristics of sensor resistance value Refer to Outdoor unit temperature sensor characteristics If sensor is normal replace indoor P C board Check Check code Cause of operation F12 A2 TS1 sensor error TS1 sensor Open Short 007 Al NET This error code means detection of Open Short of TS1 sensor Check disconnection of circuit for connectio
331. otor controller communication circuit TCI sensor pb TCI sensor H8 3039 Float input None for Concealed Duct Transformer Max 8 units are connectable 1 1 However in a case that the network adaptor is installed maximum 7 units are connectable Nun 2 Indoor Outdoor uil lu2 communication Outdoor u Power supply AT 1 200 240V 50Hz 2 The network adaptor is installed to only one unit 1 220V 60Hz 3 The weekly timer cannot be connected to the sub remote controller Wireless remote controller kit Remote controller communication circuit Sensors Display section ed 5 1001 9dAI 10014 1euiqe 10044 9dAI oneis UBIH Nq oDueuosiq 9dAI 9119SSB 2 gt Power Poweri 1 supply supply 1 Outdoor Outdoor 4 Nome for concealed duct unit unit Floor standing cabinet Floor standing concealed 5 Nome for concealed duct Floor standing cabinet Floor standing concealed 6 Nome for 1 way discharge Floor standing cassette YH type 02 Microcomputer operation LED 1402 075 COMPONENT SIDE R425 DC fan output o m 1C330 B 2 RX3 R423 R422 R421 10340 S 5 g ASSVY 82d PMV output
332. output Microcomputer operation LED EEPROM Indoor Outdoor communication Spare Indoor Outdoor communication Also used for communication of the central control system Power transformer Primary side AC200V 1 1FA4B1B053000 0 55 m Qus D311 3MAY cnog1g08t Optional power supply _ 301 E 208203 cN202 HB5 cN050 2 RY007 3XI Jm 2 12040 JP110 MODELI 12008 cx X001 8s 5 JP001 938 so PULSE STATIC oy MCC 1403 05 C048 amp Remote controller power supply LED IC041 _ 6092 7 R219 206 Optional output 5 GND D202 Remote controller inter unit wire CN100 ms eas m 8 AN FAN NO30FS dno20 GRL TC d Tc1YE3 a RC TCI sensor Outside TA sensor AC fan output error input TC2 sensor DISP Used for Filter Option error input CHK J servicing TCJ sensor Float SW Short plug is inserted in Concealed Duct High Static Pressure type Floor standing cabinet type Floor standing type Floor stabding conceded type 1 2 way Air discharge cassette 1 way Air discharge cassette Floor standing only ed Buipueis 1001 9dAI Dele9ouo Buripuels 10014 10044 9dAI
333. ower error Detected at remote controller side Indoor board error Remote controller address setup error Remote controller P C board error Is the inter unit cable of NO Correct inter unit cable of remote controllers A B normal remote controller Is there no disconnection or YES connector contact error on harness out of terminal block of indoor unit Correct connector connection and check circuit cabling NO E NO ls a group control operation YES Is power of each indoor unit turned on NO Check power connection status of indoor unit Turn on power again YES Is power applied to remote controller AB terminals Approx DC18V YES NO Check indoor P C board Defect Replace YES Change one to main other to sub Remote controller address connector Is setup of two remote controllers without main remote controller NO Check remote controller P C board Defect Replace 149 Check code Check code name Cause of operation E02 Remote controller sending error Signal could not be sent to indoor unit d07 AI NET Check the communication wire of the remote controller Itis not displayed on 7 segment display of the central control controller 15 communication cabling between QE remote controller and indoor unit correct Correct the communication cabling Sending circuit error inside of the remote contro
334. pcs each 4 Take off screws of the service panel M5 x 10 3 pcs 5 Take off screws Front rear sides of the suction cabinet M5 x 10 4 pcs each M4 x 10 2 pcs each 6 Take off screws Right left sides of the side panel M5 x 10 4 pcs each Remarks Discharge cabinet Screws 4 corners 5 Suctio Ae n ANGE NR HAN 5 3 FronYandlrear P Him 6 Side board Rightfand left 4 Service panel lt Reassembly gt Reassemble the cabinet in the reverse proce dure 6 1 of the above Disassembling However be sure to the following points when assembling the discharge cabinet Cautions when assembling the discharge cabinet Fit the claws 6 positions inside of the discharge cabinet surely If the claws come off a vibrating noise may generate Hooking claw 2 x 3 positions each at longitudinal direction Propeller fan motor REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc lt Disassembling gt 1 Stop operation of the air conditioner and then turn off the switch of the breaker 2 Take off screws of the discharge cabinet M5 x 16 4 pcs 249 Suction cabinet Screws 4 corners Part to be exchanged Propeller fan motor Work procedure 3 Take off flange n
335. pe 219 05 Doer 08 0 gt 019 eus SV41 valve and suction pipe 1 gt 256 Part to be exchanged Attachment detachment of pipe fixing rubber Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc lt Disassembling gt 1 Hold the both ends longitudinal direction of the rubber lightly and then make a margin between SUS band and fixing rubber 2 Pushing in the claw side of SUS band with fingers the claw comes off from the square hole Remarks Compress rubber and make margin Push in the band toward arrow mark lt Assembly gt 1 The fixing rubber is a segmentation system due to freedom degree of combination Therefore for assembly it is recommended to fit both pipes including the fixing rubber after passing the rubber through the pipes separately In this time check both slit direct the same direction Align the claw side of SUS band to slit side of the rubber for assembly Assembly in reverse direction is also available but the work performance decreases Attach the band so that a clearance does not generate between SUS band and fixing rubber Especially pay attention not to generate a clearance at part of the hair pin side of the band Fit the root of claw to the rubber lightly push R part at square hole side toward the arrow mark and then hook the claw to the square ho
336. pecified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recover ing device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Cabling After repair work surely assemble the disassembled parts and connect and lead the removed cables as before Perform the work so that the cabinet or panel does not catch the inner cables If incorrect assembly or incorrect cable connection was done a disaster such as a leak or fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MO or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock is caused at user s Insulator check side If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the ref
337. pprox 3 minutes Approx 1 minute Power ON SET DATA is displayed gt SET DATA LED 002 1Hz flashes gt Repeat on main remote controller disappears for approx 10 seconds Reset on indoor unit P C board Repetition Check code name code name Check code name Cause of operation F31 1C Outdoor EEPROM error 1 Outdoor unit power error Voltage noise etc d07 AI NET 2 Outdoor P C board error Is there any trouble of YES Check power voltage and line 2 Correct power line outdoor unit power supply Check external noise etc Check P C board 169 Check code name Check code name Cause of operation H01 1F Compressor breakdown 1 Outdoor unit power line error d07 AI NET 2 Compressor circuit system error 3 Compressor error 4 Cause of abnormal overload operation 5 IPDU P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side NO 380 415V 10 Is power voltage of outdoor unit normal YES Does voltage drop occur when other compressor starts NO Is connection of wiring or connection of connector on IPDU P C board normal YES Is winding resistance between phases of corresponding compressor normal Note 1 YES Correct power line NO Correct connector connection or wiring NO Compressor error Motor burning etc Correct cause of overload YES Is no
338. pressure sensor detention pressure Pd Low pressure sensor detention pressure Ps Suction temp TS Outdoor heat exchanger temp TE Temp at liquid side TL Outside ambient temp TO Low pressure saturation temp TU Compressor 1 current 1 Compressor 2 current I2 Outdoor unit individual data NOTE 4 5 PMV1 2 opening Compressor 1 2 ON OFF Outdoor fan mode Outdoor unit HP NOTE 4 For item code an example of the header unit is described NOTE 5 The upper digit of the item code indicates the outdoor unit No 1 Header unit A 2 Follower unit B 3 Follower unit C 4 Follower unit D 127 9 TROUBLESHOOTING 9 1 Troubleshooting Summary 1 Before troubleshooting 1 Applied models All Super Module Multi system type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXX 2 Required tools measuring devices Screwdrivers Philips Minus spanner radio pinchers nipper push pin for reset switch etc Tester thermometer pressure gauge etc 3 Confirmation before check The following items are not troubles Operation Check items Compressor does not operate Is not delayed for 3 minutes 3 minutes after compressor OFF Is not thermostat OFF Is not the fan operating or timer Is not the system initially communicating Indoor fan does not work Is not the cold draft prevention being controlled in heating operation
339. ptable push button to finish 1 gt 2 gt 3 gt 4 gt confirmation Mah 5567 8 99 To change all the indoor addresses from an arbitrary wired remote controller When the setup operation with automatic address has finished this change is available Contents Using an arbitrary wired remote controller the indoor unit address can be changed for each same refrigerant piping line Change the address in the address check change mode Procedure Operation while air conditioner stops 1 Push the timer time v buttons simultaneously for 4 seconds or more Firstly the line 1 item code A Address Change is displayed 1 buttons select the line address The indoor unit address which is connected to the refrigerant pipe of the selected outdoor unit is dis played and the fan is turned on First the current indoor address is displayed on the setup data Line address is not displayed 4 The indoor address of the setup data moves up down by the timer time v buttons Change the setup data to a new address 5 Push SET button to determine the setup data 6 Every pushing button the indoor unit numbers in the identical pipe are successively displayed Only fan of the selected indoor unit operates Repeat the procedure amp to and change all the indoor addresses so that they are not duplicated 7 Push button All the displays on LCD go on button to finish the procedure
340. r PC board refer to 11 Control circuit configuration Indoor unit 2 Indoor P C board MCC 1402 and MCC 1403 8 7 12 Indoor Fan Only Operating Mode When operating an air conditioner with indoor units and remote controller only in fan operation etc this function can be used A group operation is also available Operation 1 Short circuit DISP pin CN72 on the indoor P C board However if CHK pin CN71 on the indoor P C board has been previously short circuited this function is unavailable 2 In a group operation set up a group as usual 3 While DISP pin is short circuited all the sensor error judgment operation and communication with the outdoor unit are not performed PMV is fixed to the Max opening Clear Open DISP pin 126 8 7 13 Monitor Function of Remote Controller Switch When using a remote controller with the model name RBC ATM21E the following monitor functions can be used Calling of display screen gt Contents The temperature or the operation status of the remote controller indoor unit or each sensor of the outdoor unit can be known by calling up the service monitor mode from the remote controller Procedure Gai ture of the item code vis firstly displayed 2 Push the temperature setup J v buttons to select the item number Item code to be monitored For displayed codes refer to the table below corresponding refrigerant line 4 Pushing normal display
341. r can also be sensed For details contact the dealer from which you have purchased the air conditioner 3 7 Correct Usage When you use the air conditioner for the first time or when you change the SET DATA value follow the proce dure below From the next time the operation displayed on the remote controller will start by pushing the button only Preparation Turn on the main power switch and or the leakage breaker When the power supply is turned on a partition line is displayed on the display part of the remote controller After the power supply is turned on the remote controller does not accept an operation for approx 1 minute but it is not a failure REQUIREMENT While using the air conditioner operate it only with button without turning off the main power switch and the leak breaker 1 Push _ button Cooling only model The operation lamp goes on and the operation starts 46 2 Select an operation mode with the MODE button Heat pump model One push of the button and the display ie changes in the order shown on the right 288 In HEAT 36 mode if the room temperature reaches to Dehumidity the set temperature the outdoor unit stops and the air flow becomes LOW and the air volume decreases In the defrost mode the fan stops so that cool air is not discharged and PRE DEF is displayed
342. r in COOL mode may be blow out Sound is generated when the expansion valve operates when power has been turned on Is the timer ON or OFF Does not operate Is it a power failure Is the power switch turned off Is the power fuse or breaker blown Has the protective device operated The operation lamp goes on Is the timer ON The operation lamp goes on Are COOL and HEAT selected simultaneously STANDBY indica tion is lit on the display column of the remote controller Is the suction port or discharge port of the outdoor unit obstructed Are any door or window open Is the air filter clogged with dust Is discharge louver of the indoor unit set at appropriate position Is air selection set to LOW MED and is the operation mode set to FAN Is the setup temp the appropriate temperature Are COOL and HEAT selected simultaneously STANDBY indica tion is lit on the display column of the remote controller When the following symptoms are found stop the operation immediately turn off the power switch and contact the dealer which you have purchased the air conditioner Activation of switch is unstable Fuse or breaker is blown periodically Foreign matters or water entered by mistake When if activation cause of the protective device has been removed the operation is not performed Other unusual status occurred 55 4 REFRIGERANT PIPING SYSTEMATIC
343. r resistance value Check TK1 TK2 and TK4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR 6 Check code Main remote controller Outdoor 7 segment display Check code Sub code AI NET central control remote controller Detected position Indoor Check code name Duplicated indoor center units Status Corresponding unit only stops Error detection condition There are multiple center units in a group Check item position Check indoor address Check the change of remote controller connection Group individual after indoor address setup VF Duplicated outdoor line address All stop Line address setup is duplicated against the outdoor unit in different refrigerant pipe system Check line address VF Duplicated indoor units with priority Displayed on indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority No of indoor units with priority VF Duplicated indoor units with priority Displayed on the unit other than indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority and outdoor unit Indoor Group line in individual indoor un
344. r the circuit breaker is often activated A foreign matter or water fall inside the air conditioner Any other unusual conditions are observed 40 3 12 Information Confirmation before operation Turn on the power switch 12 hours before starting the operation Check whether earth wire is cut off or discon nected Check the air filter is connected to the indoor unit Heating capacity A heat pump system which absorbs heat from outside of the room and then discharges heat into the room is adopted for heating If the outside temperature falls the heating capacity decreases When the outside temperature is too low it is recommended to use this air conditioner together with other heating equipment Defrost during heating operation In heating operation if there is frost on the outdoor unit the operation changes automatically to the defrost operation Approx 2 to 10 minutes to increase the heating efficiency During defrost operation the fan of the indoor unit stops 3 minutes protection When restarting the operation just after the operation has been stopped or the main power switch has turned on the outdoor unit does not work for approx 3 minutes in order to protect the air conditioner Power failure If a power failure occurred during operation all operations stop When the power is returned after a power failure the operation lamp notifies the power ON by flashing operation lamp on the remote controll
345. r unit U1 U2 U3 U4 U5 U6 For internal For wiring of For internal wiring between central control wiring between indoor and System outdoor units outdoor 94 REQUIREMENT When a group control is performed over the multiple refrigerant lines be sure to turn on the power supplies of all the indoor units connected in a group in the time of address setup If turning on the power for each refrigerant line to set up address a header indoor unit is set for each line Therefore an alarm code 103 Duplicated indoor header units is output in operation after address setup In this case change the group address from the wired remote controller for only one header unit is set up Address setup procedure 2 1 Using SW13 and 14 on the interface P C board of the header unit in each system set up the system address for each system At shipment from factory Set to Address 1 Note Be careful not to duplicate with other refriger ant line System address switch on outdoor interface P C board System address A Group control over Example multiple refrigerant lines Cabling systematic diagram Outdoor Outdoor Indoor Indoor Indoor Indoor Remote controller Header unit interface P C board SW11 SW12 SW06 SW07 SW08 SW09 SW10 System address A
346. r unit 9 As the low pressure data is displayed on 7 segment display section close the service valves of the gas pipe gradually with confirming the pressure data and then adjust so that the pressure becomes around 0 12 or equivalent 10 When the manifold gauge pressure of the troubled outdoor unit has become almost same as with low pressure of the header unit close fully the service valve of the gas pipe of the unit for pressure adjustment after operation for a while Setup for the defective outdoor unit 11 When the manifold gauge pressure of the troubled outdoor unit becomes below 0 10MPa close fully packed valve of the balance pipe and then push SW05 on the interface P C board to finish the pump down operation 12 Turn off the main power supplies of all the outdoor units and use a refrigerant recovery device to recover the remain ing refrigerant in the outdoor unit which the pump down operation has completed Be sure to measure the recovered refrigerant amount It is because addition of refrigerant corresponding to recovered amount is necessary after repair 6 Close fully service valve of the gas pipe approx 10 minutes after the system has started 8 Close fully balance pipes of the outdoor units other than unit for pressure adjustment and unit with trouble The header unit is selected as the outdoor unit for pressure adjustment E T L 5 11 When low pressure of the troubled outd
347. r unit normal YES NO 15 address setup correct Set up address again YES Check connection of inter unit cable between NO indoor and outdoor is correct and then Is power applied to fuse 03 on indoor P C board connect communication line connector on indoor P C board CN40 to CN44 EMG YES YES 22 Is there no noise etc Check noise etc and eliminate it if any NO For details refer to Troubleshooting in test operation 151 Check code Check code name Cause of operation E06 04 Decreased number of indoor units 1 Communication lines U1 U2 connection d07 AI NET error between indoor and outdoor Connector connection error of communica tion for indoor P C board Connector connection error of communica tion for outdoor board Power supply of indoor unit Is power turned on Sub code No of indoor units which received signals normally Is there no miscabling disconnection on communication line betweenindoor and outdoor Is connection of CN40 connector on indoor P C board normal YES YES Correct communication line Is connection of CNO1 connector on outdoor P C board normal Correct cabling of cable connector YES NO Is power of indoor turned on Turn on power of indoor unit ES Did a power failure occur Clear the check code YES YES Is there n
348. ral control wiring between indoor and outdoor units system outdoor 8 How to set up resistance of the end terminal When all the address setups have finished in the same refriger ant circuit system put the resistance of the end terminals in the same central control line into one Remain only SW03 2 of the header outdoor unit with the least circuit system address number as it is ON ON ss sales uu With end terminal resistance MB E dl Header unit interface P C board Set up SW03 2 of the other header outdoor units to OFF WERT Without end terminal resistance 9 Connect the relay connector between 0102 and 0304 of the ER header unit for each refrigerant line SW06 SW07 SW09 10 Then set up the central control address For the central control address setup refer to the Installation manual of the central control devices Header unit Follower unit Header unit Before address setup During setup of address A 8 Group Header unit Follower unit usus Relay connector A 8 A 8 Remote Remote Remote Remote controller controller controller controller Individual Group Outdoor interface A A Setup at shipment P C board Header unit Follower unit Header unit Follower unit Header unit from factory SW13 14 Setup is 2 Setup is 3 Line address unnecessary unnecessary SW30 2 Terminal end resistance Setup is OFF
349. re adjustment and unit with trouble An outdoor unit having the least unit number is selected as the outdoor unit for pressure adjustment The low pressure h is displayed by pushing SW04 Ps The low pressure is mi displayed by setting idl T SW01 02 03 to 1 2 2 Ps 13 When low pressure of the troubled outdoor unit become below 0 10MPa close fully service valve of the balance Close service valve of the gas pipe pipe gradually with checking the low pressure and then adjust the pressure to 0 12MPa 12 14 Turn off the power of all the outdoor units Using a recovery device the remaining refrigerant in When low pressure of the troubled outdoor unit and low pressure of the outdoor unit for pressure adjustment become almost same close the service valve of gas pipe fully the outdoor unit in which pump down operation has finished and measure the amount All of the refrigerant recovery work has finished 235 Backup operation of the outdoor unit is being executed Outline When the power supply of the outdoor unit cannot be turned on under condition that a backup operation is set up for the troubled outdoor unit correct refrigerant recovery procedure is different Try to recover refrigerant in the following proce dure However in the case of outdoor backup operation in cooling season or the troubled unit ON during outdoor backup operation recover the r
350. re side Ps Input Output name OUTPUT Lead wire color Input Output name Lead wire color OUTPUT GND GND 45V Output voltage Pressure 0 5 to 3 9 V DC 0 51 03 5V DC 0 to 3 33 MPa 0 to Output at high pressure side V 0 3 33 Pressure MPa 9 7 2 Indoor Unit 0 98 MPa Output at low pressure side V B Temperature sensor characteristics Characteristic 1 40 200 Indoor TA sensor T z 9 51 30 5 50 P 8 20 9100 5 D S E 10 2 50 ra 0 0 10 20 30 40 50 30 Temperature Characteristic 2 20 10 0 211 45V Pressure MPa 10 20 30 40 50 60 70 80 90 Temperature Resistance kO 65 C or higher 100 9 8 Pressure Sensor Output Check 9 8 1 Outdoor Unit B Pd sensor characteristics 0 to 4 41MPa 0 5 to output with 0 to 4 41MPa Voltage check between CN501 Q and pins on the outdoor unit I F P C board Tester rod at pin side 212 9 8 2 Outdoor Unit B Ps sensor characteristics 0 to 4 41MPa 0 5 to output with 0 to 4 41MPa Voltage check between CN500 Q and pins on the outdoor unit I F P C board Tester rod at pin side
351. remote controller is displayed only while the air conditioner is operating Remote controller start button ON When the air conditioner stopped and the error has been cleared the check code display on the remote controller also disappears However if the error continues after stop of the operation the check code is immediately displayed with restarting of the operation 132 9 3 Troubleshooting by Check Display on Remote Controller In case of main remote controller RBC AMT21E 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor unit No are i displayed on the display section of the remote H controller zu The check code is displayed while the air condi tioner operates If the display disappeared operate the air MR conditioner and check the error based upon the Check code Modi Lei which following Confirmation of error history 2 Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure 3 Up to 4 error histories are stored in memory This history can be confirmed from either operat ing status or stop status Procedure When pushing SET If Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in code number window Chec
352. results 2 Push the push switch SW05 on the interface P C board of the header unit for 2 seconds or more The indoor address in which error is being detected is displayed on 7 segment display B If there are multiple indoor address in which error is being detected they are successively exchanged and displayed When SWO5 is turned on again the display returns to display of No of units After check set each rotary switch SW01 SW02 SWO3 to 141 Interface P C board 7 segment display A 7 segment display A Cooling Heating 7 segment display A B No of misconnected indoor units 7 segment display A B 8 Address display of misconnected indoor unit 7 segment display A 113 7 segment display B Operation This check operation requires 15 minutes even if there is no misconnection or there is any misconnection 8 7 2 Function to Start Stop ON OFF Indoor Unit from Outdoor Unit The following functions of the indoor unit can start or stop by the switches on the interface P C board of the header unit Function Cooling test operation Outline Changes the mode of all the connected indoor units collectively to cooling test operation Note Control operation same as usual test operation from remote control is performed Setup Release Setup Push SWOA for 2 seconds or more with SWO01 2 SW02 5
353. ric pane box Air outlet Discharge duct is connected Air inlet Air in the room is sucked from here Earth screw Drain pan Earth screws are provided in the electric parts box Air filter Removes dust and trash Air filter is provided in the air inlet grille Wiress remote controller Sold separately 34 3 6 Parts Name of Remote Controller Operation section Using a remote controller maximum 8 indoor units can be operated After the operation contents have been once set up the remote controller can be operated by pushing ON OFF buttons only Display section In the display example all indicators are displayed for the explanation In reality only the selected contents are indicated the remote controller When turning on the leak breaker at the first time SET DATA flashes on the display part of the remote controller While this display is flashing the model is being automatically confirmed Accordingly wait for a while after SET DATA display has disappeared and then use 1 8 Central control ei gd Dy riri IN ume Display 88 Tu as i section Qoi _ pacem Cee JCW Operation 9 CURE section 8 69 C3 2 4
354. rigerant and the closed room full with gas is dangerous because a shortage of oxygen Ventilation occurs Be sure to execute ventilation o When the refrigerant gas leaks during work execute ventilation gloves and others not to touch to the charging section When checking the circuit inevitably under condition of the power ON use rubber If touching to the charging section an electric shock may be caused Be attentive to electric shock When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous o When installing equipment which includes a large amount of charged refrigerant such as a multi air conditioner in a sub room it is necessary that the density does not the Compulsion limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble If check is no
355. rigerant as the remaining refrigerant refrigerant from the charge port of the service valve at liquid side 246 15 3 Check Procedure to Search the Cause of Compressor Oil Shortage Are balance pipes of all the outdoor units in the same refrigerant circuit opened fully Is there no coming off miscabling or incorrect installation on sensors of the unit of which compressor has been replaced Is TK1 TK2 or TK4 sensor characteristics of the unit of which compressor has been replaced correct Open valve of the balance pipe fully Correct miscabling or incorrect installation at sensor installation TK1 CN514 TK2 CN515 TK3 CN516 TK4 CN523 Sensor error Exchange Check oil equalization circuit in the following procedure under condition that the compressor is removed Check items and procedure for the oil equalization circuit under condition that the compres sor is removed Check of refrigerant stagnation cause in compressor Check items Outdoor PMV leakage Check valve leakage of main discharge pipe Position Procedure 1 Press nitrogen gas in from check joint of liquid pipe and check pressure at check joint of discharge pipe If pressure of check joint of discharge pipe becomes high leakages from outdoor PMV and check valve of main discharge pipe are considered Exchange the parts If the pressure up is not found open outdoor PMV fully and recheck pressure
356. rmal compressor Work procedure 1 Turn off the main power supplies of all the units connected to the system 2 Set up the switch SWO6 on the interface P C board of the outdoor unit with failure compressor as shown below Initial setup at shipment from factory No 1 compressor Left side is defective No 2 compressor Right front side is defective 3 Turn on the main power supplies of all the units connected to the system Then setup operation for the compressor backup finishes 228 11 3 Outdoor Unit Backup Setup lt Outline gt Against a case that a trouble occurs on the outdoor unit backup operation can be set up to either header unit or follower unit For the multiple outdoor unit system Failure of compressor coil perform an outdoor unit backup operation if the following error modes occurred Trouble on compressor Trouble on pressure sensor Pd Ps temperature sensor TD1 TD2 TS1 TE1 TK1 TK2 TK3 4 TL Note Backup of the outdoor unit should be restricted to one unit in one system 11 3 1 In case of Trouble on Follower Outdoor Unit Backup setup for follower outdoor unit Work procedure 1 Turn off the main power supplies of all the units connected to the system Setup for outdoor unit with trouble 2 Close fully the gas side service valve of the unit with trouble 3 Leave service valve of the balance pipe of the liquid pipe opened To prevent refrigerant s
357. ror gging NO Is there no leakage of check valve of YES main discharge pipe in follower units in which compressors are driven in cooling operation Replace check valve of main discharge pipe Check P C board 194 Check code name Check code name Cause of operation P15 AE Gas leak detection Outdoor unit service valve closed 907 AI NET TS condition Sub code 01 Outdoor PMV error 51 sensor error Refrigerant shortage clogging refrigerant circuit 4 way valve error SV4 circuit error Are service valves at gas and liquid side fully opened Open service valves fully YES Is outdoor PMV normal 1 Connector connection NO 2 Cabling 3 Coil 4 Valve body Connectors CN300 301 White 5 Outdoor P C board eH NO Are characteristics of TS1 sensor resistance normal Replace TS1 sensor Refer to outdoor temp sensor YES Repair outdoor PMV characteristics 2 Does not discharge YES refrigerant gas bypass to suction side through 4 way valve NO vee Repair SV41 and SV42 circuits YES Coil valve body disconnection of cable etc Refrigerant shortage clogging pipe breakage Check there is no clogging and pipe breakage and then recharge refrigerant Check and replace 4 way valve and coil 195 Check code name Check code name P15 AE d07 AI NET Gas leak detect
358. rt name Outdoor PMV Position with trouble See next page Corresponding unit Unit issuing check code Corresponding unit il level detective circuit error Check code to be detected Outdoor liquid back error Oil level down error Oil equalization circuit error Phenomena Corresponding unit Refrigerant stagnation Check valve of main discharge pipe collective section Corresponding unit Oil level down error Compressor breakdown Compressor error Lock Refrigerant stagnation Check valve of discharge pipe Corresponding unit Oil level down error Compressor breakdown Compressor error Lock Refrigerant stagnation ve of oil equalization circuit Corresponding unit Oil level down error Excessive oil amount Leaked side Shortage of oil amount Normal side SV3A valve Corresponding unit Oil level down error Shortage of oil amount SV3C valve NOTE XX Error on sub code Corresponding unit Oil level down error 240 Judgment of oil shortage Propeller fan Sensor 9H Fan motor Right side Air heat exchanger at outdoor side pce Strainer Pulse motor valve 4PMV Solenoid valve 5 Compressor 1 Inverter Strainer Strainer Balance Liquid Gas E pipe Side side Service service service valve valve valve Air heat exchanger at outdoor side Solenoid a
359. s Set cabinet 4 Check the output voltage of the compressor lead at the inverter side If the result is not accepted by the following criteria replace IPDU P C board Measuring position Criteria Between Red and White 360V to 520V Between White and Black 360V to 520V Between Black and Red 360V to 520V After check of output sufficiently check there is no distortion on the fasten terminals when reconnecting the compressor lead to the compressor terminals If any distortion is found caulk the fasten terminal with pliers etc and then connect it How to check resistance or compressor winding 1 Turn off the power supply 2 Remove the compressor lead from the compressor 3 Using a tester check the winding resistance between each phases of each compressor and resistance of the outdoor cabinet s not grounded It is normal if there are 10 or more s not short circuited between windings gt t is normal if there are 0 1Q to 0 30 Use a precise digital tester 17 2 3 How to Check Outdoor Fan Motor 1 Turn off the power supply 2 Remove three fasten terminals U V W of the fan motor from IPDU board for the outdoor fan 3 Turn the fan with hands If it is not turned a fan motor error Lock is considered Replace the fan motor with a new one When it is turned measure the winding resistance between each phases of the fasten terminal motor winding with a tester It is normal if
360. s Indoor addresses are duplicated d07 AI NET Sub code Duplicated indoor address Using main remote controller RBC AMT21E check the setup item codes DN code 12 13 and 14 When there is no address duplication check to the following flowchart NO Is cable connection to Is not communication line connected YES to the different outdoor unit NO NO Messe ariy conne cted Correct communication line YES Set up indoor address again 154 Checkcode code Check code name Cause of operation E09 99 Duplicated master Setup of master remote controller is dupli d07 AI NET remote controller cated Are two remote controllers set up as two master remote controllers NO Correct setup of remote controllers as a master a other Remote controller address connector Check remote controller P C board Failure Replace Checkcode code Check code name Cause of operation E10 CF Communication error Indoor P C board error A ssy failure d07 AI NET in indoor P C board A ssy Check power voltage on line Eliminate noise etc Is there any trouble on power line NO Check indoor control P C board Failure Replace Check code Check code name Cause of operation E12 42 Automatic address start error When indoor automatic address started d07 AI NET other refrigerant circuit system was setting automatic address
361. s color of fan motor DM 4 When installing the drain pump connector 6 When midifiy the high tap to care the static pressure are FS Drain pump motor Float switch Sold separately the froat switch connector to CN030 connector differ by 50Hz or 60Hz HL960dV HLZZ0dV QIAIN 0c AS ASSY Yo 67413717245 2 11213747516 Motor drive GRY circuit Indoor control P C board a Power CN67 oDC15V 6 s BLK supply _ DC12V CN100 P I z Indoor unit Flow selector unit earth Screw Earth screw RED Closed end terminal CN309 50 CN61 CN32 CN81 YEL WHI YEL WHI WHI BLK BLU Power supply single phase 200 240V 50Hz 112137415 122374451 W 200V 60Hz T10 Fandrive Option GRL 1 5 E iE TR BLK eee ees SS ea 33 Color identification EN i 2 RED BLK BLACK WHI ps es WHI WHITE GRY GRAY Eco YEL YELLOW PNK PINK bo BLU BLU BLUE ORN ORANGE P BROWN GRN GREEN ME WHI BLK Im Al 1 1 OOO Em AE
362. s installed to only one unit Power 1 Power supply supply Outdoor Outdoor unit unit 8 Nome for concealed duct Floor standing cabinet Floor standing concealed 4 Nome for concealed duct Floor standing cabinet Floor standing concealed Floor standing 5 Nome for 1 way discharge cassette YH type ed Buipueis 1001 9dAI Buipuels 10014 10044 9dAI OHB1S UBIH JONG oDueuosiq 9dAI 9119SSB 2 gt 81Z Main Sub Center remote controller Function setup Weekly timer Function setup Remo DC5V control Power commuma circuit circui 4 I 9 WL Wireless remote Indoor unit 1 Network adaptor Option 1 Indoor control PC board MCC 1402 controller Remote IEEPROM communication controller EEPROM circuit communication circuit Central control X ALNET remote controller communication A sensor Option Y circuit In case of ALNETWORK circuit H8 3039 Driver Transformer Float input None for Concealed Duct CPU Outside TMP88CH 47FG TMP88PH 47FG Indoor Fan motor fan motor control circuit L IN Ut 2 9 Indoor Outdoor ui lue communication Outdoor
363. screwdriver etc into the notch at the bottom of the plate and set the Dip switch to TEST RUN 2i us a test operation with b button on the wireless remote controller D and LED flash during test operation Under status of TEST RUN ON the temperature adjustment from the wireless remote controller is invalid Do not use this method in the operation other than test operation because the equipment is damaged 3 Use either COOL or HEAT operation mode for a test operation The outdoor unit does not operate approx 3 minutes after power ON and operation stop M pm 4 After the test operation finished stop the M4 x 25 screw air conditioner from the wireless remote 2 pieces controller and return Dip switch of the sensor section as before A 60 minutes timer clearing function is attached to the sensor section in order to prevent a continuous test operation NS Notch Nameplate Small screw Wireless remote controller 4 way Air Discharge Cassette type 1 Turn off power of the air conditioner Remove the adjust corner cap attached with sensor section from the ceiling panel For removing method follow to the installation manual attached to the ceiling panel Be careful to handle the sensor section because cables are connected to the sensor section Remove the sensor cover from the adjust corner cap 1 screw 2 Change Bit 1 TEST of the switch 8003
364. sor Put the troubled compressor on a scale and measure oil amount M4 Oil amount of the troubled compressor Compressor k 4 posltions A Removed compressor mass kg 23 5 x 1042 Sound insulation mat Specific gravity of oil 1042 cc kg NOTE When the compressor holds no oil the compressor mass is 23 5kg 243 Color check for oil of the defective compressor Lay down the troubled compressor extract a little amount of oil from the oil equalization pipe and then check the oil color based on the oil color sample Determine No of compressor t be replaced by checking oil color ASTM Below 4 Replace the troubled compressor only ASTM Above 4 Replace the troubled compressor and the normal compressor Compressor Oil equation pipe In case of replacing of troubled compressor only Adjustment of oil amount in the service compressor Oil amount 1900cc at shipment Adjust oil amount from oil amount of defective compressor A cc by following to the contents below 1 In case of oil amount of the troubled compressor cc is 0 lt lt 1000 1 Adjust oil amount in the service compressor to 1000cc Lay down the service compressor and then extract oil by 900 cc from the oil equalization pipe NOTE Do not extract oil over 900 cc because a trouble may be caused on the compressor If oil amount of the troubled compressor is be
365. spearate Sold parts for under ceiling Power supply 1 Outdoor unit lt uBip 4 1 adAL piepuels jong 5 ed 9119SSB eDueuosiq Aem p gt 101 4 71 01 TOULNOD 30 NOLLVENSIANOO OL 901 1911011u09 100pul SLZ Indoor unit Main Sub Center remote controller Up to 2 units Function setup Weekly timer DC5V control Power commuma circuit circui Power circuit Key switch Network adaptor Option controller communication circuit Central control X Indoor control P C board MCC 1403 Remote EEPROM controller communication circuit ET H8 3039 26 Driver 5 Float input None for Concealed Duct Louver motor 4 Outside 9 pump 5 Fan motor _ control circuit Indoor fan motor Nc Ut 2 Indoor Outdoor Ui Ue communication Outdoor unit Power supply 10200 240 50Hz 10220 60Hz Power supply 1 Outdoor unit Power supply Outdoor unit Max 8 units are connectable 1 1 However in a case that the network adaptor is installed when 2 main sub remote controllers are connected maximum 7 units are connectable 2 The network adaptor is installed to only one unit 3 The weekly timer cannot
366. splayed Return rotary SW01 02 03 to 1 1 1 U1 are displayed All the backup setup for the header unit has completed Check the operation 11 3 2 In Case of Trouble on Header Unit Backup setup for header unit Work procedure 1 Turn off the main power supplies of all the units connected to the system Setup for outdoor unit with trouble 2 Close fully the gas side service valve of the unit with trouble 3 Leave service valve of the balance pipe and the liquid pipe fully opened To prevent refrigerant stagnation in the unit However close fully service valve of the liquid pipe when there is PMV leakage in outdoor unit When PMV can not be closed fully 4 In case of trouble on the compressor or electric parts system Compressor electric system parts I F P C board IPDU P C board After then keep OFF for the main power supply of the unit with trouble In case of trouble on the cycle parts system Pressure sensor temperature sensor refrigerat circuit parts fan system parts Remove the communication Refrigerant circuit connector CN03 between outdoor units on the interface P C board Remove communication connector CNOS on the interface P C board only when a trouble occurred on the refrigerant circuit system Close service valve of gas pipe fully Service valves of the liquid pipe and the balance pipe are kept opened However close the liquid valve when a leakage
367. ssors in outdoor unit the troubled unit or troubled compressor stops and a backup operation emergency operation is available by other outdoor units and the compressors Set up a backup operation following to the procedure below 11 1 Before Backup Operation Method of the backup operation differs by the contents of the trouble Refer to the following table Trouble contents Backup operation method Setup procedure When trouble occurred on one of the compres sors in the same unit Note 1 Compressor backup UIC When troubles occurred on the both compres sors in the same unit Trouble of compressor coil elect Ot POImpressonent Outdoor unit backup or outdoor unit To item 3 or item 4 When a trouble occurred on refrigerating system backup during cooling season Note 2 parts fan system parts or electric system parts When a trouble occurred on temperature sensor pressure sensor Note 1 When trouble of compressor coil etc occurred deterioration of the oil is heavy Therefore do not perform a backup operation otherwise a trouble of the other outdoor units may be caused Note 2 The outdoor unit to be processed with a backup operation should be restricted to one unit in the system of 1 system 11 2 Compressor Backup Setup lt Outline gt When a trouble occurred on one of the two compressors follow the procedure below if it is necessary to Der form a backup operation by the other no
368. t Follower unit MMY MAP1001H Header unit set MMY MAP1001H Ce SS temporarily in emergent time THH 1 Soe H Con IF eT Q Y Ps sensor PS S CEA 1 1 When liquid leaks from PMV packed valve at liquid side Close fully 2 Gas pipe service valve Close fully 3 Balance pipe packed valve Open fully Gas pipe PU EE ES Liquid pipe Indoor unit High pressure gas or condensate liquid refrigerant Evaporative gas refrigerant Low pressure gas NOTE An outdoor unit which is connected with indoor outdoor communication lines is the Header unit and the other unit is called Follower unit Example 20HP system 61 5 4 Emergent Operation Heating Operation when Center Outdoor Backup Header unit Follower unit MMY MAP1001H MMY MAP1001H temporarily in emergent time lt gt Header unit set Failure PMV1 PMV2 1 OQ 4 1 VV BET F2 ag Balance pipe T T 1 1 Liquid pipe 1 When liquid leaks from PMV packed valve pipe at liquid side Close fully 2 Gas pipe service valve Close fully 3 Balance pipe packed valve Open fully 1 gt Qaspipe E Liquid pipe Strainer a i Indoor unit is 9h preSSure
369. t Z to the item code DN Lighting time setup for filter sign Compare the contents of the setup data which is displayed in this time with contents noted in a memo in Procedure 1 and customer s information 1 If data is incorrect change it using the timer time GC buttons so that it matches with contents noted in a memo and then push button OK if display goes on 2 Do nothing if data is same as those in the memo _v__ buttons change the item code DN Check also the contents of the setup data and then change them it to those in the memo Then repeat operations in items 6 and 7 After setup operation push button to return to the normal stop status 6 In a group operation turn off the power supply once return the group wires between indoor units and 41 connectors as before and then turn on power of all the indoor units It requires approx 1 minute to operate the remote controller The item code DN is consisted with to DN No may jump on the way Even if pushing button after changing the data incorrectly the data can be returned to one before change by pushing button before changing the item code DN EEPROM layout EEPROM IC10 is attached to IC socket To remove it use a pair of tweezers etc To attach EEPROM arrange the direction as shown in the following figures n exchanging time pay attention not to bend the lead wire of IC
370. t are set to 1 7 segment display 8 Outdoor unit No Error code display 2 Push the push switch SW04 for 2 seconds or more 3 E 1 is displayed on 7 segment display A 4 The fan of the outdoor unit in which error occurred starts operation within approx 10 seconds when 1 was displayed In case to operate the fans in all the normal outdoor units 1 Check all the switches SW01 SW02 SW03 on the interface P C board are set to 1 1 1 2 Push the push switches SW04 SW05 at the same time for 2 seconds or more 3 0 is displayed on 7 segment display 4 The fans of all the normal outdoor units start operation with the Max fan speed within approx 10 seconds when E 0 was displayed Clear Push the push switch SW05 on the interface P C board in the header unit for 2 seconds or more The outdoor fan which was operated stops Check U 1 is displayed on 7 segment display A and then finish the work 124 8 7 10 Manual Adjustment Function of Outside Temp TO Sensor This function is provided to fix TO sensor value manually by the switch operation on the interface P C board in the outdoor unit When the unit stops abnormally due to TO sensor failure etc an emergent operation is avail able by set up the value manually to position near the current outside temperature Operation 1 Set the rotary switches on the interf
371. t executed a fire electric shock or injury may be caused For a check turn off o the power breaker After repair work installation of front panel and cabinet has finished execute a test Check after rerair run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Check the following items after reinstallation 1 The earth wire is correctly connected o 2 The power cord is not caught in the product Check after reinstallation 9 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused N CAUTION o Be sure to put on gloves during repair work If not putting on gloves an injury may be caused with the parts etc Heavy gloves such as work gloves Put on gloves sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating Cooling check operation a burn may be caused o When the power was turned on start to work after the equipment has been New Refrigerant R410A This air conditioner adopts a new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New Refrigerant The pressure of is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant
372. t it an abnormal overload NO Take off lead cable of compressor 1 Check resistance between windings It is normal if there are 0 70 to 0 90 2 Check insulation between outdoor cabinet and terminal It is normal if there are 10 or more Check IPDU board Note 1 After checking the output when connecting the compressor lead again to the compressor terminal check surely there is no distortion on the Fasten receptacle terminal If it is loosened caulk it with pinchers etc and then connect lead to the terminal firmly Details of compressor power connecting section 170 Check code name Check code name Cause of operation H02 1d Compressor error Lock 1 Outdoor unit power line error d07 AI NET 2 Compressor circuit system error 3 Compressor error 4 Refrigerant stagnation in compressor shell 5 IPDU P C board error Sub code 01 Compressor 1 side 02 Compressor 2 side NO Is power voltage of outdoor unit normal 1 Does voltage drop occur when other compressor starts NO YES Does OCR of MG SW operate Reset OCR manually 3 NO Is wiring or connector connection NO Correct connector connection on IPDU P C board normal or wiring YES YES Is not it an abnormal overload Correct cause of overload NO Is there no refrigerant stagnation Is case heater output normal in compressor shell p NO NO Operation starts Check case heater 1 380 415V
373. t of P C board etc follow to the methods below Method 1 Set up an address individually from a wired remote controller Line address Indoor address Group address Central address For the setup method refer to the above Manual address setup from remote controller Method 2 Set up an address from the outdoor unit Leave the address of the unit of which address has been already set up as it is Set up an address only to the unit of which address is undefined The addresses are allocated from the low number Setup procedure Arrange the outdoor header units in the refrigerant line to which indoor units are added Figure below 1 Remove the relay connector between U1U2 and 0304 2 Turn on SW30 2 on the interface P C board at outdoor header unit side if it is ON Turn off the power and then execute the operation Central control device Header unit Follower unit i Remote Remote 01 Remote i Remote controller controller _ controller controller D Added indoor unit 3 Turn on the indoor outdoor power of which address is to be set up After approx 1 minute check that U 1 is displayed on 7 segment display 4 Execute the following operation on the interface P C board of the header unit After checking that In At is displayed on 7 segment display and then push SWOA for 5 seconds or more AUTO1 gt AUTO2 gt AU
374. t power supply and start operation Correct miswiring and misinstallation unit correctly connected Is there no sensor detached or misinstallation Are characteristics of TK1 to TK4 TK2 CN515 TK3 CN516 TK1 CN514 TK4 CN523 of error detected unit normal Check gas leak of all outdoor units Sensor error Replace Characteristics 4 YES Specify gas leak position and repair it in the same line and check soaked oil No error Check refrigerant stagnation in compressor Correct refrigerant stagnation in compressor reset power supply and start the operation Check oil level judgment of each unit Are all oil levels correct YES Clear cause of stagnation Indoor outdoor PMV error Cause of refrigerant stagnation discharge check valve error etc Refrigerant stagnation 7 segment display with SW01 02 03 1 15 1 Recharging refill oil 1 Check leakage of valves SV3A SV3C and clogging SV3B SV3E Replace faulty part No leakage or clogging 2 Check clogging of oil return circuit from oil separator Capillary tube strainer Check clogging of SV3D valve Replace faulty part No choke Check clogging of solenoid valves SV3A SV3C of all outdoor units in the same line 3 Replace faulty part No choke NO Y Choke Check clogging of oil equalization circuit Replace fault
375. t signal input OFF side Stop signal input COM Operation signal output Error signal output TCB IFCB 4E vv Power supply 230V 77 Ventilating fan control from remote controller Function The start stop operation can be operated from the wired remote controller when air to air heat exchanger or ventilating fan is installed in the system The fan can be operated even if the indoor unit is not operating Use a fan which can receive the no voltage A contact as an outside input signal n a group control the units are collectively operated and they can not be individually operated 1 Operation Handle a wired remote controller in the following procedure Use the wired remote controller during stop of the system Be sure to set up the wired remote controller to the header unit Same in group control In a group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable 1 Push concurrently ser cL buttons for 4 seconds or more The unit No displayed firstly indicates the header indoor unit address in the group control In this time the fan of the selected indoor unit turns on 2 Every pushing button the indoor unit numbers in group control are displayed succes sively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp Jor vw button specify the item code 7
376. tact Disconnect Leave intact MMY MAP1201H8 INV MMY MAP1201H7 INV Disconnect Leave intact 5 Set dip switch settings of the service board to the switch settings before replacement Dip Switch Setting contents Demand setting Outdoor fan high static pressure setting etc Cooling Heating priority setting etc System address setting Terminating resistance setting Leave intact 6 After setting the jumper wires of the service board install the service board in the outdoor control unit Confirm that it is securely fixed to the card edge spacers 7 Connect the connector and fasten terminals Confirm that they are correctly and securely inserted 8 If a component part on the board is bent during board replacement adjust it manually not to contact other parts 9 Install the cover then turn on the power supply Check the operation Jumper wire replacement place J09 10 11 266 IC300 IC301 CN311 CN314 17 2 6 Comp IPDU Board Replacement Procedure Manual This service board is commonly installed in different models before shipment If the board assembly is to be replaced replace it properly in accordance with the model following this procedure manual Replaceme
377. tagnation in the unit However close fully service valve of the liquid pipe when there is PMC leakage in outdoor unit PMV does not close 4 In case of trouble on the compressor or electric parts system Compressor electric system parts I F P C board IPDU P C board After then keep OFF for the main power supply of the unit with trouble In case of trouble on the refrigerant circuit parts system Pressure sensor temperature sensor refrigerat circuit parts fan system parts Remove the communication BUS2 connector CNO3 between outdoor units on the interface P C board Remove communication connector CN03 on the interface P C board only when a trouble occurred on the refrigerant circuit parts system Close service valve of gas pipe fully 3 Service valves of the liquid and the balance pipe are kept opened However close the liquid valve when a leakage occurred on the outdoor PMV Setup for header unit 5 Turn on Bit 2 of the Dip SW09 on the interface Interface P C board of the header unit P C board of the header unit vk 2 252 Setup not to detect the indoor capacity over 6 Turn on the power supplies of all the units other than the unit with trouble As for power supply of the unit with trouble follow the procedure below In case of trouble on the compressor or electric parts system Compressor SW09 electric system parts I F P C boar
378. tdoor unit is operated set up SW01 02 03 2 1 3 to 7 segment display Hr 2 and push SW04 for 2 seconds or more Set up SW02 9 and turn on SV3A SV3B SV3C valves 7 segment display Hr 3 While outdoor unit is operating check temperature change at secondary side of SV3B valve in the figure If temperature does not rise equivalent to suction temperature it is a clogging of SV3B valve Replace SV3B valve Clogging for SV3E valve Reset the power supply 2 Referring to Valve forced open close function of the outdoor unit check ON OFF operation Sound surface temp up of SV3E valve is performed 5 Start test operation in COOL or HEAT mode 5 After operation for several minutes check the pipe temperature at the secondary side of SV3E valve whether temperature changes or not If it is equivalent to outside temperature clogging of SV3E is considered in the figure Reference If SV3E valve is clogged temperature of all TK1 TK2 TK3 and TK4 do not change 2 Clogging check for SV3D valve of oil return circuit from oil separator a Oil return circuit While outdoor unit is operating check temperature secondary side of capillary on oil return circuit G in the figure If temperature is low equivalent to suction temperature a clogging of strainer of oil return circuit or capillary is considered Repair the clogged part b Clogging check for SV3D valve W
379. ted indoor unit tis used when the start operation from outside if unnecessary but the stop operation is necessary Using a card switch box card lock etc the forgotten OFF of the indoor unit can be protected When inserting a card start stop operation from the remote controller is allowed When taking out a card the system stops if the indoor unit is operating and start stop operation from the remote controller is forbidden 1 Control items 1 Outside contact ON The start stop operation from the remote controller is allowed Status that card is inserted in the card switch box 2 Outside contact OFF If the indoor unit is operating it is stopped forcedly Start Stop prohibited to remote controller Status that card is taken out from the card switch box When the card switch box does not perform the above contact operation convert it using a relay with b contact 2 Operation Handle the wired remote controller switch in the following procedure Use the wired remote controller switch during stop of the system Push concurrently SET cL A buttons for 4 seconds or more Using the setup temp 4 or v _ button specify the item code Z Using the timer time 4 or v button set 272 to the setup data Push button 4 F button The status returns to the usual stop status Relay procured locally In the figure the contact in
380. terion for difference between suction and discharge temperature 1 Cooling After operation for minimum 30 minutes with COOL mode if there is the dry bulb temperature difference Temperature difference 89 or more between suction and discharge air of the indoor unit In Max Hz operation 2 Heating After operation for minimum 30 minutes with HEAT mode if there is the dry bulb temperature difference Temperature difference 15 or more between suction and discharge air of the indoor unit In Max Hz operation Consider that the temperature difference temperature difference may diminish in cases of system in which the connected indoor capacity exceeds 100 a long pipe length a large difference NOTE 2 Criterion for operating power current For a test operation All the indoor units operate it is normal when the power current is under the following values Outdoor unit Current value Unit A NOTE 3 Criterion for cycle status 1 Refrigerating cycle under standard condition The refrigerating cycle under standard cooling and heating condition is as follows 10HP 5HP MMY MAP1001H MMY MAP0501H Cool standard Heat standard Cool standard Heat standard High Pd Low Ps Discharge TD Suction TS1 Pipe surface temp Indoor heat exchanger Outdoor heat exchanger TE1 Liquid temp TL Number of compressor rps Compressor 1 rotations p Compressor 2 Pressure In
381. the noise surge absorber CR In case of AC or counter electromotive proof diode In case of DC into the bypass circuit Power peak cut control board TCB PCDM2E suppl Outdoor unit destination to be connected becomes the y AC240V header outdoor unit 01 Procured locally Setup at power peak cut control expansion request Outside power Power Peak cut request peak cut request SW07 Bit 1 L1 SW1 SW2 OFF time ON time 100 Normal operation 100 Normal operation 80 Upper limit restriction 85 Upper limit restriction Control lamp 60 Upper limit restriction 7596 Upper limit restriction 0 Forced stop 60 Upper limit restriction Setup positions of header outdoor Connector position magnified drawing unit interface P C board gt Operation stop to 60 80 100 ON 60 to 60 75 85 100 Power peak cut expansion ON 85 7 2 2 3 Snowfall Fan Control Header outdoor unit interface P C board Procured locally Snow sensor Operation The outdoor unit fan operates by the Snowfall signal from outside Terminal Input signal Operation Snowfall fan control Operates outdoor unit fan Usual operation Releases control The control contents are accepted during leading and trailing of the input signal The status of leading and trailing should be held for 100mm sec or more External master ON OFF control boar
382. therwise water enters into the box resulting in a trouble J9polN HEO9LdVIN VIN AININ Hun 100pinO 76 6 3 PARTS RATING 3 1 Indoor Unit 4 way Air Discharge Cassette Type MMU AP Fan motor SWF 230 60 1 Drain pump motor ADP 1409 Float switch TA sensor FS 0218 102 Lead wire length 155mm TC1 sensor TC2 sensor 4 size lead wire length 1200mm Vinyl tube Blue 06 size lead wire length 1200mm Vinyl tube Black TCJ sensor Pulse motor 26 size lead wire length 1200mm Vinyl tube Red EDM MD12TF 3 Pulse motor valve Louver motor panel Model MMU AP EDM B40YGTF MP24GA EDM B25YGTF 0481H Fan motor Drain pump motor SWF 200 90 1 ADP 1409 Float switch TA sensor FS 0218 102 Lead wire length 155mm TC1 sensor TC2 sensor TCJ sensor 4 size lead wire length 1200mm Vinyl tube Blue 06 size lead wire length 1200mm Vinyl tube Black 26 size lead wire length 1200mm Vinyl tube Red Pulse motor Pulse motor valve EDM MD12TF 3 EDM B60YGTF 1 Louver motor panel MP24GA 2 way Air Discharge Cassette Type Model MMU AP 0071WH 0091WH 0121WH 0151WH 0181WH Fan motor Running condenser for fan motor AF 230 53 4G AC 400V 1uF AF 230 39 4B Running capacitor for fan motor Drain pump motor AC 450V 2uF 450V 2 0 AC 400V 1 0uF
383. tion NO Are service valves of gas and liquid sides fully opened Open service valves fully YES Is outdoor PMV normal 1 Connector connection 2 Cabling 3 Coil 4 Valve body 5 Outdoor P C board Are characteristics of TD2 sensor resistance normal YES NO Connectors CN300 301 White Repair outdoor PMV NO Replace TD2 sensor Refer to outdoor unit temperature sensor characteristics 4 Does not discharge refrigerant gas bypass to suction side through 4 way valve NO Check 4 way valve SVA circuit 1 Are not SV41 and 5 42 valve coils installed reversely 2 15 there no leakage through SV42 circuit Is not an indoor unit of different refrigerant line connected YES Refrigerant shortage clogging pipe breakage NO Correct installation of valve coil Replace SV42 valve NO Correct cabling Check with miscabling check function of outdoor unit Check there is no pipe breakage and then recharge refrigerant 197 Check code name Check code name Cause of operation P19 08 4 way valve operation error 1 4 way valve error d07 AI NET 2 TS1 sensor TE1 sensor error 3 Pd sensor Ps sensor error 4 TE sensor TL sensor misconnection Sub code Detected outdoor unit No 2 Is 4 way valve coil NO Correct connector connection connector connected 4 way valve coil CN
384. to select SET TIME For every push of button the set time increases in the unit of 0 5 hr 30 minutes The maximum set time is 72 0 hr For every push of button the set time decreases in the unit of 0 5 hr 30 minutes The minimum set time is 0 5 hr 3 Push SET button SET DATA display disappears and display goes on When ON timer is activated time is displayed and after time of the timer has been up displays other than ON disappear Cancel of timer operation 4 Push CL button TIMER display disappears NOTICE When the operation stops after the timer reached the preset time the Repeat OFF timer resumes the operation by pushing button and stops the operation after the time of the timer has reached the set time E 39 3 10 Re Installation DANGER Ask the dealer or an installation professional to re install the air conditioner to a new place or move it to another place and to observe the following items If the air conditioner is inappropriately by installed by yourself it may cause electric shock or fire Do not install the air conditioner in the following places Do not install the air conditioner in any place within 1 m from a TV stereo or radio set If the unit is installed in such place noise transmitted from the air conditioner affects the operation of these appliances Do not install the air conditioner near a high frequency appliance sewing machine or massager for business use etc
385. tte MMU AP XXX WH 1 way Air Discharge Cassette Compact type MMU AP XXX YH Concealed Duct Standard MMD AP XXX BH Concealed Duct High Static Pressure MMD AP XXX H Under Ceiling MMC AP XXX H High Wall MMK AP XXX H Floor Standing Cabinet MML AP XXX H Floor Standing Concealed MML AP XXX BH Floor Standing MMF AP XXX H Indoor unit capacity Item code 11 Setup data Model 76 7 1 2 Applied Control in Indoor Unit B Remote location ON OFF control box TCB IFCB 4E Wiring and setup Use the exclusive connector for connection with the indoor control P C board In a group control the system can operate when connecting with any indoor unit Control P C board in the group However when taking out the operation error signal from the other unit it is necessary to take out from each unit individually 1 Control items 1 Start Stop input signal Operation start stop in unit 2 Operation signal Output during normal operation 3 Error signal Output during alarm Serial communication error or indoor outdoor protective device operation 2 Wiring diagram using remote control interface TCB IFCB 4E Input IFCB 4E No voltage ON OFF serial signal Output No voltage contact for operation compressor thermostat ON error display Contact capacity Below Max AC240V 1A Indoor control P C board ON side Star
386. tton to finish the procedure 4 gt 5 gt 6 End Change of indoor address from remote controller Change of indoor address from wired remote controller To change the indoor address in individual operation Wired remote controller Indoor unit z 1 1 or group control When the setup operation with automatic address has finished this change is available Procedure Operation while air conditioner stops 1 Push simultaneously cL buttons for 4 seconds or more The firstly displayed unit No indicates the header unit in group control 2 In group control select an indoor unit No to be changed by The fan of the selected indoor unit is turned on Using the setup temp J C Y _ buttons set to the item code ik tit tt 4 Using the timer time GJ 5 buttons change the displayed setup data to a data which you want to change 4 5 Push button 8 1 5 6 Using the uNir button select the unit No to be cha the next time Repeat the proce dure amp to and change the indoor address so that it is not duplicated NON 7 After the above change push uNr button to confirm the changed contents Operation procedure 8 If it is acce
387. ty error All stop No of IPDU units detected when power was turned on were less Check model setup for outdoor service P C board Check connection of UART communication connector Check IPDU fan IPDU and P C board error Note UART Universal Asynchronous Receiver Transmitter Check code Main remote controller Outdoor 7 segment display Check code Sub code Detected indoor address AI NET central control remote controller Detected position Indoor Check code name Interlock in indoor unit from outside Status Corresponding unit only stops Error detection condition Outside error input terminal Detected signal to CN80 for more 1 minute Check item position W Outside device is connected to connector CN80 1 Check outside device error 2 Check indoor P C board error W Outside device is not connected to connector CN80 1 Check indoor P C board error VF Extended IC Integrated Circuit error Operation continues board parts error Check indoor I F P C board Indoor Indoor fan motor error Corresponding unit only stops Check the lock of fan motor AC fan Check cabling VF Discharge temp TD1 error All stop Discharge temp TD1 exceeded 115 C Check full opening of outdoor service valves Gas side Liquid side Check clogging of outdoor PMV PMV1 2 C
388. unit Power supply 1 200 240V 50Hz 1 220V 60Hz controller kit Sensor PC board Remote controller Y communication Emergent circuit operation Su SW DC5V Buzzer j Function setup SW circuit Power 1 1 Powers i supply 1 supply Outdoor Outdoor Max 8 units are connectable 1 unit unit 1 However in a case that the network adaptor is installed maximum 7 units are connectable 2 The network adaptor is installed to only one unit 8 The weekly timer cannot be connected to the sub remote controller 4 Nome for high wall spearate sold parts for under ceiling lt uBip 4 1 adAL piepuels jong 5 adAj 1 5 eDueuosiq Aem p gt 49 041uO9 SS9J89JIM pue J9 04 uO9 qns ujoq JO 615 Main Sub Center remote controller Display LCD Display circui Indoor unit 1 Network adaptor Option Function setup Key switch nic Weekly timer Display LCD driver Key switch Secondary battery Indoor control PC board MCC 1403 adaptor controller GG communication circuit DC20V Central control DC12V remote controller DC5V Option Power circuit Power Driver circui 4 Outside Fan motor _ control circuit Indoor m
389. up return to procedure J 6 Pushing button returns the status to normal stop status 74 Item Table Function selecting item numbers DN Items necessary to perform the applied control at the local site are described Description At shipment Filter sign lighting time 0000 0002 0004 None 2500H 10000H 0001 0003 150H 5000H According to type Dirty state of filter 0000 Standard 0001 High degree of dirt Half of standard time 0000 Standard Central control address 0001 0099 No 1 unit Unfixed 0064 No 64 unit 0099 Unfixed Specific indoor unit priority 0000 No priority 0001 Priority 0000 No priority Heating temp shift 0000 0002 No shift 2 0001 0010 1 10 Up to 6 recommended 0002 2 Floor type 0000 0 Existence of automatic cool heat mode 0000 Provided 0001 Not provided Automatic selection from connected outdoor unit 0001 Not provided Cooling only 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0000 Heat pump Type 0000 0001 1 way air discharge cassette 4 way air discharge cassette to 0037 According to model type Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type Line address 0001 No 1 unit to 0030
390. ure 3 When the above methods cannot be used follow to the two cases below C In case that power of the indoor units cannot be turned on individually Case 2 a Remove all CN41 connectors of the indoor units in the same group except those of the exchanged indoor unit b Turn on power of the indoor units and proceed to Procedure 3 After Procedure 3 operation has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection IM Indoorunit Service P C board of Indoorunit Indoorunit P C board P C board the unit to be changed 1 ae 5 cR R h ire of th x emove the group wire of the Sf e AN terminal blocks A and B of the Group wire Remote changed indoor unit and then controller install the remote controller only Indoorunit Indoorunit Indoorunit Service P C board of P C board P C board the unit to be changed Case 2 EU 75 A E Remove CN41 connectors x of the indoor units other than the units to be changed Group wire Remote in the same group controller 261 Procedure 3 Writing in of setup contents to EEPROM Th
391. us No response Remote controller status No response Remote controller status No response Header unit 7 segment display Header unit 7 segment display Header unit 7 segment display Status Number of connected outdoor units is short Fig 5 Status Number of connected outdoor units is short Miswiring example Indoorunit Indoorunit Indoorunit Miswiring example Header Follower unit unit Miswiring example Header Follower Header Follower Header unit unit unit unit unit U1 U2 U1 U2 U1 U2 U5 U6 Line 1 Miswiring example Follower Follower unit unit U3 U4 Indoorunit Miswiring example Indoorunit 106 Follower unit Line 2 Follower unit 8 6 Test Operation Check 8 6 1 Fan Check START gt Push START STOP button When an error code has been displayed on the remote controller remove the error cause referring to Check code and check position displayed on Select the operation mode FAN remote controller and outdoor unit Is air discharged from the discharge port of the indoor unit Check indoor fan fan motor and fan circuit YES NO Is there no abnormal sound Check positions around the fan YES Normal Check all indoor unit in turn 8 6 2 Cooling Heating Test Operation Check The cooling heating test operation check can be performed on both remote controller and outdoor int
392. use of operation E16 89 Connected indoor units 1 There are 48 or more connected indoor units d07 AI NET capacity over 2 Capacity over of total connected indoor units 3 Incorrect setup of indoor outdoor capacity Sub code 00 Capacity over 49 to 64 of connected units Is backup operation of outdoor unit being set up 42 Excessive indoor units are connected 2 Is No of connected indoor units correct Correct miscabling YES NO Is setup of indoor unit HP correct Correct HP setup YES Is total capacity of connected indoor units within 13596 For a service P C board check outdoor HP setup Set up jumper 9 10 11 and 12 NG Set capacity of connected indoor units within 13596 of outdoor units Set up outdoor HP Refer How to exchange interface P C board Check outdoor interface P C board A ssy 1 Setup of no detection of capacity over Turn SW09 Bit 2 on P C board of header outdoor unit to ON Usually OFF 157 Check code Check code name Cause of operation E18 97 99 Communication error between Regular communication between indoor header d07 AI NET indoor header and follower and follower is unavailable Are remote controller NO Correct remote controller inter unit cables A B normal inter unit wire Is there any disconnection of YES connector wiring from termi
393. ut fixing the fan motor and propeller fan To tighten the nut turn it clockwise 4 Take off the square washer 5 Take off the propeller fan NOTE Pull it straight upward If it is pulled forcibly it cannot be taken off 6 Remove the connectors 2 positions from IPDU P C board of the inverter fan and then pull out the fan motor lead upward 7 Take off the fixing screws 4 pcs of the fan motor Remarks 3 Flange nut p washer 7 Screws 4 positions Route of fan motor lead and pull out it upward Er Detailed photo of connector Signal line Power line Cautions when exchange reassembling the fan motor 1 Matching D cut surface of the fan motor shaft with A mark of the fan insert the propeller fan If tightening D cut surface as it is out of place the propeller fan melts due to friction heat resulted in falling off 2 Be sure to attach the square washer Abnormal sound or abnormal vibration may generate 3 Tighten the flange nut with 15Nem 153kg cm 4 Insert hooking claws of the discharge cabinet securely into the claw holes of the cabinet Refer to photo in the previous page 3 positions each at front and rear sides total 6 positions 250 Fan A mark Positioning to D cut face of shaft Part to be exchanged Heat exchanger Work procedure REQUIREMENT Put on gloves during working otherw
394. vered execute Outdoor Unit Backup Setup in another section All the work has finished Combination of outdoor units DE 238 13 3 Process after Repair After completion of the repair work perform vacuuming in the outdoor unit in the following procedure Work procedure 1 Short on the interface P C board of the outdoor unit which repair work has completed to open PMV fully NOTE The full opening operation of PMV by short circuiting returns to full closing after 2 minutes continue full opening status turn off the power supply of the outdoor unit within 2 minutes after CN30 short circuiting 2 Be sure to perform vacuuming from the following three check joints Liquid pipe discharge pipe and suction pipe Propeller fan Fan motor Sensor TE1 Strainer Pulse motor valve PMV CO Solenoid valve Strainer Capillary Strainer Solenoid valve Check High pressure SW Accumulator Compressor 1 Inverter Solenoid valve O Solenoid valve SV3B Balance Liquid Gas pipe side side Service service service valve valve valve 239 14 LEAKAGE CLOGGING OF OIL EQUALIZATION CIRCUIT Check code list for leakage clogging of outdoor refrigerant circuit and oil circuit parts Trouble with clogging gt Part name Outdoor PMV Position with trouble See next page
395. wer part of the box is out forward 5 Take off hooking claw at upper side while holding the ceiling board with both hands Remarks Reassembly and cautions gt 1 Hook the upper claw 2 Push in the lower part Be sure to check there is no pinching of cable at the corners of the rear side 3 Tighten the fixing screws at upper and lower sides 1 pc each at upper lower part 252 2 When pushing in the lower part be sure to check there is no thinness of cable Part to be exchanged Inverter assembly Removal of board and electric parts Noise filter P C board Interface P C board Work procedure REQUIREMENT Put on gloves during working otherwise an injury may be caused by parts etc 1 Stop operation and then turn off switch of the breaker 2 Take off cables and then remove the P C board from the card edge spacer at the corner Exchange of service P C board gt For the interface P C board it is necessary to set up jumper line etc for each model Refer to Exchange procedure of interface P C board Remarks 4 IPDU board for fan 1 Noise filter 2 Interface P C board P C boards Control P C board 3 IPDU P C board For driving of compressor 1 3 PDU P C board For driving of compressor 2 IPDU PC board 1 Stop operation and then turn off switch of the breaker 2 Take off the heat sink Radiator plate fixing
396. with the following proce dure Up to 4 error histories are stored in memory This history can be confirmed from either operating or stop 3 When selecting flash the group number if there is the alarm history the UNIT number and the latest alarm history are displayed alternately n this time the temperature cannot be set up 4 To confirm the alarm history other than the latest one push temp set 4 vw to select Item code 01 to 04 GROUP 5 To confirm the alarm in the other group push and C gt to select the group number Do not push cL button because all the alarm histories of the currently selected group are deleted 6 To finish the service check push Unit No display Alarm display B d UNTNo 1 I D mo 2 Alternate flashing display i RC No 134 In case of AI NET central control remote controller 1 Operation for CHECK display When pushing the CHECK switch the indoor unit No Network address No including the check data is displayed in the UNIT No display section and the check code is displayed in the set up temp display section CHECK switch OAR NE ET onr LIE Geb feces I RUE Push for 0 5 seconds to display CHECK code redass7esun zane Mo ak Push for 3 seconds to reset indoor microprocessor ED 2 While indoor microprocessor is locked by ALL STOP alarm Push for 10 seconds to clear check data
397. y part 4 Reference When refrigerant stagnates compressor shell the oil level shortage may be judged 175 In some cases it may be difficult to check the leakage of clogging in the following condition of refrigerant stagnation in low ambient temperature condition In this case take a longer operating time prior to check Criterion Discharge temperature of TD1 and TD2 are 60 C or higher 1 Leakage check for SV3A valve For multiple outdoor unit system Turn off the power supply take off connector of SV3A valve and then start a test operation after power ON Check the temperature change at secondary side of SV3A valve during operation D in the figure If temperature is raised it is a leakage of SV3A valve Replace SV3A valve b Leakage check for SV3C valve Turn off the power supply take off connector of SV3C valve and then start a test operation after power ON After operation for several minutes check temperature at secondary side of SV3C valve 2 in the figure If temperature is high equivalent to discharge temperature TD it is a leakage of SV3C valve Replace SV3C valve Even if there is leakage from 5 valve does not occur temperature of SV3C valve at secondary side rises during operation When the checked temperature is equivalent to TD temperature it is a leakage of SV3C valve Replace SV3C valve Clogging check for SV3B valve For multiple outdoor unit system While ou
398. y surely matches with the expected No of outdoor units Check No of indoor units Set the rotary switch SW01 SW02 SW03 on the interface P C board of the header unit to 1 4 and 3 respectively Then No of indoor units connected to the system is displayed on 7 segment display A Check that this display surely matches with the expected No of indoor units Operation mode setup According to the indoor temperature select one of the following items for setup of the rotary switches on the interface P C board of the header unit Cooling SW01 2 SW02 1 SWO3 1 Heating SW01 2 SW02 2 SW03 1 7 segment display A B HP System Horse power 7 segment display A 1 No of connected outdoor units C 7 segment display A of connected indoor units o 32 7 segment display 5 5 02 to SW02 to A 2 1 w Heating Cooling Cooling JC I 8 18 E Heating JH 5 _10 10 23 5 Outdoor temperature 112 Operation start Push the push switch SW04 on the interface P C board of the header unit for 2 seconds or more The operation starts Check that cooling is CC and heating is HH on 7 segment display B Confirmation of check results 1 Check that No of misconnected indoor units is displayed on 7 segment display B after 15 minutes If there is no misconnection 00 is displayed Confirmation of check

SERVICE MANUAL - Cool Designs Ltd

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