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1. FILE NO SVM 13085 SVM 13085 indb 106 Ref No Part No Description MMC AF 0157HP E 0187HP E 0157HP TR 0187HP TR 401 43 50347 ASS Y 2 2 2 2 402 43T60435 SERV TERMINAL 1 1 1 1 403 43T60362 TERMINAL 1 1 1 1 404 43T62348 COVER E BOX 1 1 1 1 405 43T50351 HOLDER TA 1 1 1 1 406 43T61317 BASE CLAMP 1 1 1 1 407 43T6V442 PC BOARD ASSY 1 1 1 1 408 43459017 ASM PCB OP 1 1 1 1 409 43T50476 SERVICE SENSOR 1 1 1 1 410 43T50477 SERVICE SENSOR 1 1 1 1 106 12 24 13 10 56 FILE NO SVM 13085 11 2 MMC AP0247HP E MMC AP0277HP E MMC AP0247HP TR MMC AP0277HP TR lt lt m 107 SVM 13085 indb 107 12 24 13 10 56 FILE NO SVM 13085 Ref No Part No Description MMCZAP 0247HP E 0277HP E 0247HP TR 0277HP TR 001 43T72315 ASM SUB PAN DR 1 1 1 1 002 43T44514 ASM REF 1 1 1 1 003 43T02301 ASM P SIDE R 1 1 1 1 004 43T02302 ASM P SIDE L 1 1 1 1 005 43T07313 ASM SUP FLAP 2 2 2 2 006 43T07314 SUP SHAFT 1 1 1 1 007 43T07315 HINGE GRILLE 4 4 4 4 008 43T07316 HOOK GRILLE 4 4 4 4 009 43T08420 LED
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3. T 8 loo 48 eo 022 T cre sec 9 qeo 19 04 u09 lise 7 2 N 6 YOO DUNOSUUOD edid yoq epis pinbr1 Aiddns 96 edid pod ejqeo uonisod OVS L 891 7H R A M gt Bunias pue JO eoeds uonoeuuoo 86 B edid o lo 3 Ajj eguozuou peuonisod eq o epis 30014 o FH 3 y gt ejou JO 062 alow JO 052 TE T M S T A R amp MMC AP0367HP to 567 9 E E _ _ j ES 3 T ACH Y inoysouy edid yo pod 3no Buiweup Buidiq GEC 812 yer ueq 48 07 ur Bunjej ejqeo Ajddns Buidid 12 2443 10 56 AM 17 SVM 13085 indb 17 FILE NO SVM 13085 2 WIRING DIAGRAM yoo g 201081 AOSUSS dwe
4. SVM 13085 indb 111 ees 12 2443 10 56 AM 5 13085 Electric Parts MMC AP Description 0367 0487 0567HP E 0367HP TR 0487HP TR 0567HP TR SENSOR ASSY 43190917 SERVICE 406 43761317 ____ 1 1 1 ASM PCB OP 409 43T50476 SERVICESENSOR 1 1 410 43750477 SERVICESENSOR 1 1 1 1 1 1 SVM 13085 indb 112 12 2443 10 56 AM FILE NO SVM 13085 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 excessivel
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6. edid OS uonisod 906 wn 5 2 89 026 uonisod 07 1 pod uonoeuuoo edid yo 3noxoouy uod ejqeo Ajddns 3noxoouy uod V yoq 15 12 2443 10 56 AM SVM 13085 indb 15 FILE NO SVM 13085 uuu u 26 lou 1noxoouy Ajeyeuedes pios pod pod Buidid ium 10sues ss JIAA T Mi 4 2 Shy 65 075 LSE e qeo ul Burye Ajddns ul Bulye ejqeo pue 5 JO pod uonoeuuoo edid Ajjeguozuou peuonisod eq epis 4 7 eijoui JO 062 SJ JO 062 9JOUJ Jo 006 E
7. Connector CN504 for drain pump Pa CN504 40175008 J09 White Step2 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 3 2 Group operation A In case that power of the exchanged indoor unit only can be turned on Turn on power of the exchanger indoor unit only and proceed to 3 100 SVM 13085 indb 100 12 2443 10 56 AM FILE NO SVM 13085 B In case that power of the indoor units cannot be turned on individually Case 1 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 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 in 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 3 After 3 operation has finished be sure to return the temporarily removed group wire or CN41 connector to the original connection Indoor unit Case 1 P C board Indoor uni
8. Service P C board of the unit to be changed Group wire Remote control er Remove the group wire of the terminal blocks A and B of the changed indoor unit and then install the remote controller only Indoor unit P C board Group wire Remove 41 connectors of the indoor units other than the units to be changed in the same group 3 Writing the setting data to EEPROM The settings stored in the EEPROM of the P C board for indoor unit servicing are the factory set values Case 2 Service P C board of Indoor unit the unit to be changed Remote controller Step 1 Push 5 2 and 2 buttons on the remote controller simultaneously for more than 4 seconds n the group control operation the unit No displayed for the first time is the header unit No 77 At this time the CODE No DN shows Z Also the fan of the indoor unit selected starts its operation and the swing operation starts if it has the louvers The unit ALL is displayed if the auto address setting mode is interrupted in 2 step 2 a UNIT LOUVER Step 2 Everytime when e e left side button button is pushed the indoor unit No in the group control operation are displayed in order The settings stored in the EEPROM of the P C board for indoor unit servicing are the factory s
9. buttons for the temperature setting Similarly be sure to write down the setting data displayed 3 Repeat the step 2 2 to set the other settings in the same way and write down the setting data as shown in the table 1 example The CODE DN are ranged from 7 to FF The CODE DN may skip Step After writing down all setting data push button to return to the normal stop status It takes approx 1 min until the remote controller operation is available again CODE No required at least 1 The CODE No for the Indoor unit type and Indoor unit capacity are required to set the rotation number setting of the fan Type 2 If the system indoor group addresses are different from those before Indoor unit capacity replacement the auto address setting mode starts and the manual resetting may be required again when the multiple units group operation including twin system Contents System address Indoor unit address Group address 2 P C Board for indoor unit servicing replacement procedures Step 1 Replace the PC board to the PC board for indoor unit servicing At this time perform the same setting of the jumper wire J01 J08 J09 setting cut switch SW501 short circuit connector CN34 as the setting of the P C board before replacement If the plug for short circuit is attached on the P C board before replacement attach it on the P C board replaced
10. 5 5 5 m _ 5 5 5 N 0 5 5 m _ 5 5 m _ _ 0 5 5 m _ 5 5 042 43T19321 FIX P SENSOR Made in Japan ak 043 43T21397 STEPPING MOTOR Made in Thailand 044 43T47334 BONNET 15 88 DIA 045 43T47332 BONNET 9 52 DIA Made in Thailand 046 43T82321 SOCKET 047 43T82318 SOCKET 048 43T97314 NUT FLARE 5 8 IN 049 43T97312 NUT FLARE 3 8 IN 050 43T49364 COV FRAME MAIN k _ 051 43T85558 052 43T85559 INSTR INST INSTR INST ak
11. SVM 13085 indb 56 FILE NO 5 13085 se sjuejuoo 10119 eui eq Aew Aejdsip epoo xoeuo 94 930N peKejdsip si sire1 p 104 dnoJc peuonueuie oqy were UM L3N IV MNIT OO L 01 jun esodind eui jo peyoeuuoo jueuudinboe Jo 10113 esodand e1eue 10 jo eui ejoujeJ uo 3N IV sJeidepe yomu eieu L ejdnjnuu eJeu L peNeoei eq 10uueo ujejs s Jo ueuMw J04J0 1 WA SAS 5 L3N IV jenueo ues eq 1ouueo ujejs s oJuoo euBis ueuM uonduoseg senunuoo pue ui sdojs 1epeeu 01195 sJe oJjuoo 1 2 U JoJJe pues uoneoiunuuuJoo eue uonisod
12. Function setup LCD driver Key switch Indoor unit 1 Header 3 Follower Indoor control P C board MCC 1643 DC20V Remote controller communication circuit EEPROM Same Same as left as left Dor MCU Driver Float input Louver Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN DC5V Power Power supply supply 1 1 1 1 Outdoor Outdoor unit unit Indoor Fan motor sein eon fan motor control circuit circuit Power circuit U2 Indoor Outdoor communication Max 8 units are connectable U1 U2 1 The schedule timer cannot be connected to the simple wired Power supply remote controller 10220 240 50Hz 10220 60Hz 30 SVM 13085 indb 30 12 24 13 10 56 2 Connection of wired remote controller kit Indoor unit 1 Header SVM 13085 indb 31 Louver motor Indoor fan motor FILE NO SVM 13085 Indoor control P C board MCC 1643 Remote controller communication circuit DC20V Driver Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN Fan motor control circuit Power supply 10220 240 50Hz 10220 60Hz U1 2 Wireless remote controller kit Receiving P C board Remote controller communication circuit
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14. Ref No Part No Description MMC AP 0367HP E 0487HP E 0567HP E 0367HP TR 0487HP TR 0567HP TR 001 43T72316 ASM SUB PAN DR 1 1 1 002 43T44515 ASM REF 003 43T02301 ASM P SIDE R 004 43T02302 ASM P SIDE L 005 43T07313 ASM SUP FLAP 006 43707314 SUP SHAFT 007 43707315 HINGE GRILLE 008 43T07316 HOOK GRILLE 009 43T08420 LED BASE 010 43T08421 PANEL LED 011 43T09494 SUCTION GRILLE 012 43T00640 ASM COAT P UP 013 43T00643 ASM COAT P UD 014 43T11328 ASM FORM UP 015 43T11329 ASM FORM 016 43T11330 ASM FORM 017 43T20338 ASM FAN MLB 018 43722329 ASM S V LOUVER 019 43722332 ASM FLAP 020 43T22333 ASM GEAR FLAP 021 43T22327 ASM FAN CASE D 022 43T22328 ASM FAN CASE U 023 43722323 BEARING 024 43722324 COUPLING 025 43722326 SHAFT 026 43721445 MOTOR FAN 027 43T46415 VALVE PMV 028 43T46416 MOTOR PMV 029 43747386 STRAINER 030 43T46417 SHEET PMV 031 43760446 LEAD MOT 032 43T62349 GROMMET 033 43T62350 GROMMET 034 43T70317 ASM HOSE 035 43T83313 HOSE BAND 036 43779320 CAP DRAIN 037 43 80339 AIR FILTER 038 43T81304 HANGER R 039 43T81305 HANGER L 040 43T97318 SCREW DR 041 43T19333 HOLDER SENSOR Made in Japan N
15. 2 buttons repeatedly to change the value indicated in the SET DATA section to that you want Push the O button UNIT LOUVER Push the button left side of the button repeatedly to select another indoor UNIT No to change Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them unique UNIT LOUVER Push the button left side of the button to check the changed addresses If the addresses have been changed correctly push the button to finish the procedure OA AQ 47 SVM 13085 indb 47 12 2443 10 56 AM arbitrary wired remote controller FILE NO SVM 13085 B How to change all indoor addresses from an arbitrary wired remote controller It is possible when setting has finished by automatic addresses Contents The indoor unit addresses in each identical refrigerant piping line can be changed from an Enter in address check change mode and then change the address Procedure Carry out this procedure during stop of system 1 SVM 13085 indb 48 TEST Push the timer time button v gt simultaneously for 4 seconds or more First line 1 and CODE NO Address Change are displayed 2 Select line address using Push the G button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is displayed and the fan and the louver are on First the current indoor address is displayed Line ad
16. 024 027 036 Fan motor ICF 340WD94 1 ICF 340WD94 2 ICF 340WD139 1 Louver motor MP24Z3T Pulse motor EFM MD12TF Pulse motor EFM 40YGTF EFM 40YGTCTH EFM 60YGTCTH TA sensor 518 mm TC1 sensor 04 mm 1000 mm TC2 sensor 26 mm 1000 mm TCJ sensor SVM 13085 indb 19 06 mm 1000 mm 19 12 24 13 10 56 FILE NO SVM 13085 4 REFRIGERATION CYCLE DIAGRAM Liquid side Gas side Capillary tubes Heat exchanger at indoor side Pulse Motor Valve PMV Sensor 2 Sensor TC1 Sensor i TA Fan motor Functional part name Functional outline Pulse Motor Valve Connector CN82 6P 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 5 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 Controls PMV under cool in heating operation Connector CN102 2P Red 1 Controls PMV super heat in cooling operation 20 SVM 13085 indb 20 12 24 13 10 56 When power supply is reset 5 CONTROL OUTLINE 5 1 Control Specifica
17. 78 12 2443 10 56 AM FILE NO 5 13085 Check code i Location i Main Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Check Sub code detection VF Open phase detected All stop Phase sequence Check the phase sequence of Phase sequence error error was detected outdoor power wiring ae Series 1 when the power is Check the outdoor PC board Open phase detected turned on I F error 4 Open phase error 02 Phase Sequence error Was detected when the power is turned on P05 P05 5 5 VF Detection of open All stop Open phase is Check for defect in outdoor Series 4 phase phase detected when P C board I F 00 sequence power is turned 01 Compressor Inverter DC voltage 1 DC 1 side error voltage is too high 02 Compressor compressor overvoltage or 2 side MG CTT error too low 03 Compressor 3 side undervoltage 01 Compressor IPDU Heat sink overheating All stop Temperature sensor Check power supply voltage 1 side error built into IGBT TH Check outdoor fan system 02 Compressor is overheated error 2 side Check heat sink cooling duct 03 Compressor for clogging 3 side Check IGBT and heat sink for P07 P07 thermal performance for faulty installation e g mounting screws and thermal conductivity Check for defect in A3 IPDU faulty IGBT built in tempe
18. ON 40 99UU0D uonounJ lt 87 12 2443 10 56 AM SVM 13085 indb 37 FILE NO SVM 13085 7 APPLIED CONTROL 7 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 OFF FAN MODE 4 SAVE VENT SWING FIX UNIT LOUVER Cr e 9 DA Q 1 C5 C5 and c5 buttons simultaneously for 4 seconds more 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 UNIT LOUVER Every pushing e left side button button the indoor unit numbers in the group control are successively displayed In this time the fan of the selected indoor unit only is turned on Specify the CODE No DN using the setup temperature C and C4 buttons A Q Select the setup data using the timer time and 4 buttons When selecting the DN code to 33 change the temperature indication of the unit from to F on the remote controller D Push C5 button OK if display goes on To change the selected indoor unit return to procedure 2 To change the CODE to be set up return to procedure 3 6 Pushing button returns the status to normal stop status _ 38 SVM 13085 indb 38 12 24 13 10 56 AM Table Function selecting CODE No DN Items necessa
19. If refrigerant gas has leaked during the installation work ventilate the room immediately Ventilation If the leaked refrigerant gas comes in contact with fire noxious gas may generate 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 SVM 13085 indb 8 12 2443 10 56 AM FILE NO SVM 13085 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 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 limit even if the refrigerant leaks o If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period which may Compulsion result in refrigerant leakage Nitrogen gas must be used for
20. Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body 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 refrigerating 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 Refrigerant 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 specified 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 installat
21. 02 Connection of indoor unit from other line VF Connection to other line found during automatic address setting stop Equipment from other line is found to have been connected when indoor automatic address setting is in progress Disconnect inter line tie cable in accordance with automatic address setting method explained in gAddress setting h section E23 E23 VF Outdooroutdoor communication transmission error stop Signal cannot be transmitted to other outdoor units for at least 30 seconds continuously Check power supply to outdoor units Is power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board Check termination resistance setting for communication between outdoor units E25 E25 VF Duplicated follower outdoor address stop There is duplication in outdoor addresses set manually Note Do not set outdoor addresses manually E26 E26 Address of outdoor unit from which signal is not received normally VF Dropping out of outdoor unit stop Outdoor unit initially communicating normally fails to return signal for specified length of time Backup setting is being used for outdoor units Check power supply to outdoor unit Is power turned on Check connection of ti
22. Check for defect in outdoor P C board A3 IPDU 01 Compressor IPDU Compressor All stop Position detection is not Check wiring and 1 side position going on normally connector connection P29 P29 02 Compressor detection circuit Check for compressor 2 side error layer short circuit 03 Compressor Check for defect in A3 3 side IPDU P C board Indoor Other indoor Stop of There is error in other indoor Check indoor P C board unit error corresponding unit in group resulting in P31 group follower unit detection of E07 L07 L03 unit error L08 SVM 13085 indb 83 82 12 24 13 10 56 Errors detected by TCC LINK central control device FILE NO SVM 13085 SVM 13085 indb 84 Check code Location i Mn Outdoor 7 segment display of Description System status Check items locations remote controller Cheek Sub code detection TCC LINK TCC LINK Continued Central control device is Check for defect in central central control operation unable to transmit signal control device device Check for defect in central C05 transmission control communication error line Check termination resistance setting TCC LINK Continued Central control device is Check for defect in central central control operation unable to receive signal control device device reception Check for defect in central error control communication line Check termination resistanc
23. FILE NO SVM 13085 Precaution for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual N DANGER Before carrying out the installation maintenance repair or removal work be sure to set the circuit breaker to the OFF position Otherwise electric shocks may result Turn off breaker Before opening the electrical control box cover of the indoor unit or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the electrical control box cover of the indoor unit or service panel of the outdoor unit and do the work required Before starting to repair the outdoor unit fan or fan guard be absolutely sure to set the circuit breaker to the OFF position and place a Work in progress sign on the circuit breaker When cleaning the filter or other parts of the indoor unit set the circuit breaker to OFF without fail and place a Work in progress sign near the circuit breaker before proceeding with the work Electric shock hazard When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or service panel of Outdoor Unit inevitably to determine the failure use gloves to provide protec
24. I3 Outdoor fan current IFan x1 0050 500 pls 0135 13 5 A 1 The TF TSA TOA sensors are equipped only with some types of indoor units The data does not appear for other types 2 n the case of group connection only the header indoor unit data can be displayed 3 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No 1 5 U1 outdoor unit Header unit 2 6 U2 outdoor unit follower unit 1 3 7 outdoor unit follower unit 2 4 8 U4 outdoor unit follower unit 3 Only CODE No 5 of U1 outdoor unit Header unit is displayed 52 SVM 13085 indb 52 12 2443 10 56 AM CODE No U2 U3 Data Format FILE NO SVM 13085 Remote controller display example Individual data 2 of outdoor unit 4 60 70 Rotation of compressor 1 x10 61 71 Rotation of compressor 2 x10 62 72 Rotation of compressor 3 x10 0642 64 2 rps 63 73 Outdoor fan mode x1 0058 Mode 58 64 74 Heat sink temperature of compressor IPDU1 x1 65 75 Heat sink temperature of compressor IPDU2 x1 66 76 Heat sink temperature of compressor IPDU3 x1 Heat sink temperature of outdoor fan IPDU x1 0024 24 C In heat cool collecting control 5 Normal In col
25. Receiving circuit BUS communication circuit U2 Indoor Outdoor communication U2 Outdoor unit 31 operation SW Same Same as left as left Function setup SW Display LED Power Power supply supply 1 1 1 1 Outdoor Outdoor unit unit 12 2443 10 56 AM FILE SVM 13085 3 Connection of both wired remote controller and wireless remote controller kit Wired Simple header remote controller Schedule timer Display LCD Function setup Display LCD Key switch CN2 Function setup CN1 Display LED Key switch Remote controller 1 communication circuit circuit battery Indoor unit 1 Header controller kit MCC 1643 P C board DC20V Remote controller Remote controller communication circuit communication circuit Emergent EEPROM operation W T T Function Driver setup SW Receiving Display circuit LED Float input Indoor control P C board Receiving Same Same as left as left Outside output Start Alarm Ready Thermostat ON COOL HEAT FAN BUS Indoor Fan motor communication fan motor control circuit circuit Power Power supply supply I l 1 Outdoor Outdoor unit unit U2 Indoor Outdoor communication Power supply 10220 240 50Hz 10220 60Hz U1 02 Outdoor unit Max 8 units are conne
26. 0003 0004 louver 0001 Swing only 1 way Cassette type Ceiling type 2 way Cassette type 4 way Cassette type According to type Temp difference of AUTO mode selection COOL HEAT HEAT COOL 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by x Data value 2 3 deg Tsx1 5 Automatic restart of power failure 0000 None 0001 Restart None Selection of option error input TCB PCUC1E CN3 0000 0002 Filter input 0001 None Alarm input Air washer etc None HA terminal CN61 select 0000 0002 Usual 0001 Fire alarm input Leaving ON prevention control Usual HA terminal Ventilating fan control 0000 Unavailable 0001 Available Unavailable TA sensor selection 0000 Body TA sensor 0001 Remote controller sensor Body TA sensor SVM 13085 indb 39 Temperature unit select 0000 C at factory shipment 0001 F 39 12 2443 10 56 AM Item Description FILE NO SVM 13085 At shipment High ceiling selection Selection of air volume Model MMC AP015 to 027 AP036 to 056 Standard Factory default Up to 3 5 m Up to 3 5 m High ceiling 1 Up to 4 0 m Up to 4 3 0000 Standard Timer setup Wired remote controller 0000 Available Operable 0001 Unav
27. 1 2 4 Check for defect in Pd or Ps sensor Check gas balancing circuit SV2 for clogging Check balance pipe Check SV3B circuit for clogging Check defect in outdoor P C board Check capillary of oil separator oil return circuit for clogging Check for leakage of check valve in discharge pipe convergent section P15 01 TS condition P15 VF Gas leakdetection TS1 condition stop Protective shutdown due to sustained suction temperature at or above judgment criterion for at least 10 minutes is repeated four times or more TS error judgment criterion In cooling operation 60 C In heating operation 40 C Check for insufficiency in refrigerant quantity Check outdoor service valves gas side liquid side to confirm full opening Check 5 1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage 02 TD condition VF Gas leak detection TD condition stop Protective shutdown due to sustained discharge temperature TD1 TD2 or at or above 108 C for at least 10 minutes is repeated four times or more Check for insufficiency in refrigerant quantity Check PMVs 1 2 for clogging Check resistance characteristics of TD1 TD2 and sensors Check indoor filter for clogging Check piping for clogging Check SV4 circuit for leakage or
28. 1 1 052 43T49364 COV FRAME MAIN 1 1 d 1 053 43T85558 INSTR INST 1 1 054 43T85559 INSTR INST 1 1 SVM 13085 indb 108 108 12 24 13 10 56 Electric Parts S 2 D 8 ey FILE NO SVM 13085 MMC AP Ref No Part No Description 0247 0277 0247HP TR 0277HP TR SENSOR ASSY 401 43 50347 2 2 2 2 402 43T60435 SERV TERMINAL 1 1 1 1 403 43T60362 TERMINAL 1 1 1 1 404 43T62348 COVER E BOX 1 1 1 1 405 43 50351 HOLDER TA 1 1 1 1 406 43T61317 BASE CLAMP 1 1 1 1 407 43T6V442 BOARD ASSY 1 1 1 1 408 43459017 ASM PCB OP 1 1 1 1 409 43T50476 SERVICE SENSOR 1 1 1 1 410 43T50477 SERVICE SENSOR 1 1 1 1 SVM 13085 indb 109 109 12 24 13 10 56 FILE NO SVM 13085 11 3 MMC AP0367HP E MMC AP0487HP E MMC AP0567HP E MMC AP0367HP TR MMC AP0487HP TR MMC AP0567HP TR lt e es Qe 110 SVM 13085 indb 110 12 24 13 10 56 AM FILE NO SVM 13085
29. 13085 The test run for cooling heating can be performed from either indoor remote controller or outdoor interface board 1 Start Finish operation of test run Test run from indoor remote controller Wired remote controller Refer to the below item of Test run of the wired remote controller Wireless remote controller Refer to the next page item of Test run of the wireless remote controller In case of wired remote controller lt 2 gt lt RBC AMS41E gt em E TEMP CAD DON OFF TEMP G b ON OFF FILTER UP DN SCHEDULE FAN MODE Y Coro Cs SAVE TIME SAVE VENT Ca e gt Cs FILTER RESET TEST FLT RESET TEST SWING FIX UNIT LOUVER 5 SET CL OO SWING FIX UNIT LOUVER am Procedure Operation contents Push TEST button for 4 seconds or more TEST is displayed at the display part and the mode enters in TEST mode Push ON OFF button Change the mode from COOL to HEAT using MODE button Do not use MODE button for other mode except COOL HEAT modes The temperature cannot be adjusted during test run The error detection is performed as usual After test run push ON OFF button to stop the operation
30. 2 The EEPROM before replacement is defective and the setting data cannot be read out EEPROM data read out 2 Writing the setting data EEPROM such as high ceiling installation setting and optional connection setting etc based on the customer information 3 5 Power reset for all indoor units connected to the remote control when the group operation control is performed 99 SVM 13085 indb 99 12 2443 10 56 AM 5 13085 1 Setting data read out from EEPROM The setting data modified on the site other than factory set value stored in the EEPROM shall be read out Step 1 Push 5 2 and 5 button on the remote controller simultaneously for more than 4 seconds When the group operation control is performed the unit No displayed for the first time is the header unit No At this time the CODE DN shows Z Also the fan of the indoor unit selected starts its operation and the swing operation also starts if it has the louvers UNIT LOUVER Step 2 Every time when the e left side button button is pushed the indoor unit No under the group control is displayed in order Specify the indoor unit No to be replaced 1 Change the CODE No DN to 7 2 by pushing 4 buttons for the temperature setting this is the setting for the filter sign lighting time At this time be sure to write down the setting data displayed 2 Change the CODE No DN by pushing Cv
31. 60 70 80 90 100 Temperature Indoor TC2 TCJ sensors 200 20 150 Resistance kO 10 or below 15 Resistance kO 10 or above 100 10 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature ud SVM 13085 indb 87 12 2443 10 56 AM FILE NO SVM 13085 Maintenance Check list Aiming in environmental preservation it is strictly recommended to clean and maintain the indoor outdoor units of the operating air conditioning system regularly to secure effective operation of the air conditioner It is also recommended to maintain the units once a year regularly when operating the air conditioner for a long time Check periodically signs of rust or scratches etc on coating of the outdoor units Repair the defective position or apply the rust resisting paint if necessary If an indoor unit operates for approx 8 hours or more per day usually it is necessary to clean the indoor outdoor units once three months at least These cleaning and maintenance should be carried out by a qualified dealer Although the customer has to pay the charge for the maintenance the life of the unit can be prolonged Failure to clean the indoor outdoor units regularly will cause shortage of capacity freezing water leakage or trouble on the compressor Part name Heat exchanger Object Indoor Outdoor Contents of check Blocking with dust
32. A3 for bad contact or broken wire IPDU2 error Check for defect in outdoor 04 Fan IPDU error P C board I F A3 IPDU or 05 A3 IPDU1 Fan IPDU Fan IPDU error Check for external noise 06 A3 IPDU2 Fan IPDU error 07 All IPDU error or Communication error between IPDU and I F circuit board or Outdoor I F circuit board error SMMS i Series 4 A3 IPDU Fan 1 2 3 IPDU E31 E31 0110 02 0 03 0 0 04 05 0 061 jojo 07 08 09 0 0 0 0 ojo 0D o ojo OE Symbol signifies site of IPDU error Indoor Indoor TCJ Stop of Sensor resistance is infinity Check connection of TCJ unit sensor error corresponding or zero open short circuit sensor connector and wiring F01 unit Check resistance characteristics of TCJ sensor Check for defect in indoor P C board Indoor Indoor TC2 Stop of Sensor resistance is infinity Check connection of TC2 unit sensor error corresponding or zero open short circuit sensor connector and wiring F02 unit Check resistance characteristics of TC2 sensor Check for defect in indoor P C board Indoor Indoor TC1 Stop of Sensor resistance is infinity Check connection of TC1 unit sensor error corresponding or zero open short circuit sensor connector and wiring F03 unit Check resistance characteristics of TC1 sensor Check for defect in indoor P C board VF TD1 sensor stop Sensor resistance
33. All stop Sub code 3 Check fan motor E Inverter DC Gusty wind an obstruction Check for defect in fan voltage error or another external factor IPDU P C board outdoor fan Speed estimation is not going on normally Note Although All stop Sub code 4 Check fan motor P22 P22 letters 0 to F Fan IPDU over current Check connection of fan appear at protection circuit motor connector locations Flow of current equal to or Check for defect in fan indicated by greater than the specified IPDU P C board x please value is detected during ignore them operation of the fan All stop Sub code C Check fan motor Higher temperature than the Check for defect in fan specified value is detected IPDU P C board during operation of the fan All stop Sub code D Check for defect in fan The resistance value of the IPDU P C board sensor is infinite or zero open or short circuit All stop Sub code E Check power voltage of Fan IPDU DC voltage the main power supply protection circuit Check for defect in fan The DC voltage higher or IPDU P C board lower than the specified Check connection of fan value is detected IPDU P C board 01 Compressor IPDU G TR shortcircuit All stop Overcurrent is momentarily Check connector 1 side protection detected during startup of connection and wiring on 02 Compressor error compressor A3 IPDU P C board 2 side Check for defect in P26 P26 03 Compressor compressor layer short 3 side circuit
34. Complies with the provisions of the Machinery Directive Directive 2006 42 EC and the regulations transposing into national law Complies with the provisions of the following harmonized standard EN 378 2 2008 A2 2012 Note This declaration becomes invalid if technical or operational modifications are introduced without the manufacturer s consent ia SVM 13085 indb 11 12 2443 10 56 AM FILE NO SVM 13085 Specifications Sound power level dBA Cooling Heating MMC AP0157HP E 23 MMC AP0187HP E 23 MMC AP0247HP E 29 MMC AP0277HP E 29 MMC AP0367HP E 35 MMC AP0487HP E 35 MMC AP0567HP E 35 MMC AP0157HP TR 23 MMC AP0187HP TR 23 MMC AP0247HP TR 29 MMC AP0277HP TR 29 MMC AP0367HP TR 35 MMC AP0487HP TR 35 MMC AP0567HP TR 35 Under 70 dBA Model Weight kg KH KH HLH HK KH X 12 SVM 13085 indb 12 12 24 13 10 56 FILE NO 5 13085 R410A Refrigerant This air conditioner adopted HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to R410A Refrigerant The pressure of R410A is high 1 6 times of that of the former refrigerant R22 Accompanied with change of refrigerant the refrigerating oil has been also changed Therefore be sure that water dust the former refrigerant or the former refrigerating oil is not mixed into the refrigerating cycle
35. R410A The following tools for R410A are required Tools whose specifications are changed for R410A and their interchangeability R410A Conventional air air conditioner installation conditioner installation Used tool Existence of Whether conven new equipment tional equipment for R410A can be used Whether conventional equipment can be used Flare tool Pipe flaring Copper pipe gauge for Flaring by conventional adjusting projection margin flare tool Torque wrench Tightening of flare nut Gauge manifold refrigerant charge run check etc Charge hose Vacuum pump adapter Vacuum evacuating e e Electronic balance for refrigerant charging Refrigerant charge Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Note 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 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 general tools Vacuum pump Use vacuum pump by attaching vacuum pump adapter Screwdriver Torque wrench 8 Spanner or Monkey wrench Pipe cutter 9 Hole core drill Reamer 10 Hexagon wrench Opposite side 4mm Pipe bender 11 Tape measure Le
36. TEST SET CL SWING FIX UNIT LOUVER alle O CE TIMER SET FAN MODE CD 3 5 4 Operation gt 1 2 3 4 5 6 END _ 46 SVM 13085 indb 46 12 24 13 10 56 AM FILE NO SVM 13085 Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller Y The method to change the address of an individual indoor unit the indoor unit is paired with a wired remote controller one to one or an indoor unit in a group The method is available when the addresses have already been set automatically TIMER 4 Coro va FILTER RESET TEST SET CL SWING FIX UNIT LOUVER CE G 9 Co ova 1 2 Execute it while the units are stopped 6 7 SET CL 1 Push and hold the and buttons at the same time for more than 4 seconds If 2 or more indoor units are controlled in a group the first indicated UNIT No is that of the head unit 2 Push the button left side of button repeatedly to select an indoor unit number to change if 2 or more units are controlled in a group The fan and louvers of the selected indoor unit are activated The fan of the selected indoor unit is turned on Push the TEMP C2 buttons repeatedly to select 3 for CODE No Push the TIME
37. V s s s s s s s V V V V e qissoduui sem Joopul syun pue Jepeeu uee eq u pue Jepeeu ueewjeq y d iun pue 1 Joe pue uoneoiddy ueewjeq 10416 sem sseJppe ssejppe uy SseJppe 0000000 ON Joopul yun Joopino ON Joopino pue Joopui ueewjeq 10118 e osre 5 eueo ON Jeydepe yomu pue ejouJeJ ON uondioseg ejoujeJ pue ueewjeq 10119 uonisod Bulysey ow 37 OML S eeu si uonipuoo Buyse v 5906 e seuse 4 x use j pe y uomneedo louu 1 Aejdsip yoo1g 5 1o
38. address settings when two remote controllers are in use Check remote controller P C board Remote Remote Stop of Signal cannot be transmitted Check internal controller controller corresponding from remote controller to transmission circuit of E02 transmission unit indoor unit remote controller error Replace remote controller as necessary Indoor Indoor remote Stop of There is no communication Check remote controller unit controller corresponding from remote controller and network adaptor E03 _ _ communication unit including wireless or wiring error network adaptor detected at indoor end Indoor Indoor outdoor Stop of Indoor unit is not receiving Check order in which unit communication corresponding signal from outdoor unit power was turned on for circuit error unit indoor and outdoor units detected at Check indoor address indoor end setting 04 Check indoor outdoor tie cable Check outdoor termination resistance setting SW30 Bit 2 No of indoor VF Dropping of All stop Indoor unit initially Check power supply to units from indoor unit communicating normally fails indoor unit which signal is to return signal for specified Is power turned on received length of time Check connection of normally indoor outdoor communication cable Check connection of communication connectors E06 E06 on indoor P C board Check connection of communication connectors on outdoor P C board Chec
39. air intake grille fixing knobs two positions toward the arrow direction OPEN and then open the air intake grille 3 With the air intake grille open hold the hinge from above and below with one hand and take out the air intake grille with the other hand while gently lt gt pushing it There two air intake M grilles Air intake grille Air intake grille fixing knob Fixing knob 2 Attachment 1 Attach the hinge of air intake grille in square hole of body 2 Close the air intake grille and then fix it securely while sliding knob closed side CLOSE 3 Fix the screws of air intake grille fixing knob on a side of each filter 2 Electric parts 1 Detachment box cover 1 Loosen the screw of the electric parts box cover O4 x 10 2 pcs 2 The electric parts box cover is moved to fan motor side and it removes The electric parts box cover screw fixation part is U character structure 2 Attachment 1 Shut while inserting the electric parts Fixing screws 2 pcs box cover in the interior side of the electric parts box 2 Fix the electric parts box cover by tightening with screws x 10 2 pcs 80 SVM 13085 indb 89 12 24 13 10 56 FILE NO 5 13085 Part name Procedure 3 parts 4 Control SVM 13085 indb 90 1 Detachment 1 Perform works of 1 of 2 2 Remove the screws of electric parts box 3 Draws out forward after the e
40. been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relat
41. damage check Contents of maintenance Clean it when blocking is found Fan motor Audibility for sound When abnormal sound is heard Filter Visual check for dirt and breakage Clean with water if dirty Replace if any breakage Visual check for swing and balance Check adhesion of dust and external appearance Replace fan when swinging or balance is remarkably poor If a large dust adheres clean it with brush or water Suction Discharge grille Visual check for dirt and scratch Repair or replace it if deformation or damage is found Drain pan Check blocking by dust and dirt of drain water Clean drain pan Inclination check Face panel Louver Check dirt and scratch Cleaning Coating with repair painting External appearance SVM 13085 indb 88 Check rust and pealing of insulator Check pealing and floating of coating film 88 Coating with repair painting 12 24 13 10 56 AM FILE NO SVM 13085 9 DETACHMENTS A DANGER AN CAUTION Before carrying out the repair or removal Be sure to put on the gloves at work be sure to set the circuit breaker to disassembling work otherwise an injury the OFF position will be caused by a part etc Otherwise electric shocks may result Part name Procedure Remaks _____ 1 Detachment Air intake 1 Remove the screws of air intake grille fixing knob on a side of each filter 2 Slide the
42. density limit of 0 3 kg m countermeasures needed Min indoor floor area 10 20 30 Total amount of refrigerant kg 113 SVM 13085 indb 113 12 24 13 10 56 AM TOSHIBA CARRIER THAILAND CO LTD 144 9 MOO 5 BANGKADI INDUSTRIAL PARK ROAD TAMBOL BANGKADI AMPHUR MUANG PATHUMTHANI 12000 THAILAND SVM 13085 indb 114
43. drain cap and then extract the drain water accumulated in the drain pan NOTE When removing the drain cap be sure to receive drain water using a bucket etc 3 The drain hose is removed from the drain pan joint while picking up the hose band 4 The heat insulator stuck on air discharge side of the drain pan is peeled off and an inside shoulder screw is removed AP015 to APO27 type 1 pc AP036 to 56 type 2 pcs When installing the heat insulator peeled off is used 5 Slide to the air discharge side remove the drain pan 2 Attachment 1 The drain cap is surely inserted up to the drain pan root 2 Slide to the air discharge side hooking surely the frame on fan side 3 Attach the shoulder screws as original position the heat insulator is stuck on 4 The hose band is used and the drain hose is installed 96 SVM 13085 indb 96 12 2443 10 56 AM FILE NO 5 13085 No Part name Procedure Remarks PMV motor Pulse 1 Detachment Motor Valve 1 Recover the refrigerant gas 2 Perform work of 1 of CD 1 of 2 1 of 2 1 of 8 and 1 of 9 3 Remove the PMV connector CN82 Blue 6P from the control P C board and remove the PMV lead from lead clamp 5 positions 4 The screw of the partition plate is removed while holding the heat exchanger and the partition plate is detached 04 x 10 4 pcs 5 Cut off binding band that binds the PMV lead wires 6 The main body o
44. indb 57 List of check codes outdoor unit Errors detected by SMMS outdoor interface typical examples FILE NO SVM 13085 IPDU Intelligent Power Drive Unit Inverter P C board O Lighting Flashing Goes off ALT Flashing is alternately when there are two flashing LED SIM Simultaneous flashing when there are two flashing LED Check code Display of receiving unit Outdoor 7 segment display TCC LINK Indicator light block central control Typical fault site Description of error main remote ionTi Sub code controller alionTimer Ready Flash display V Number of indoor units from which Indoor unit initially communicating normally fails to E06 signal is received normally E06 Dropping out of indoor unit reduction in number of indoor units Indoor outdoor Signal cannot be transmitted to indoor units E07 E04 eoe communication circuit indoor units left without communication from error outdoor unit E08 Duplicated indoor address E08 o e e Duplicated indoor address e Indoor automatic address setting is started while 01 Indoor outdoor communication automatic address setting for equipment in other Automatic address starting refrigerant line is in progress E12 02 Mud d E12 o e error Outd
45. is infinity Check connection of TD1 error or zero open short circuit sensor connector Check resistance 50 z characteristics of TD1 sensor Check for defect in outdoor P C board I F TD2 sensor stop Sensor resistance is infinity Check connection of TD2 error or zero open short circuit sensor connector Check resistance FOS FOS 24 characteristics of TD2 sensor Check for defect in outdoor P C board I F TE1 sensor error VF 1 2 stop Sensor resistance is infinity Check connection of TE1 TE2 02 sensor error or zero open short circuit sensor connectors TE2 sensor error Check resistance F06 characteristics of TE1 TE2 sensors Check for defect in outdoor P C board I F 70 12 24 13 10 56 FILE NO SVM 13085 Check code 4 Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Check Sub code detection VF TL sensor All stop Sensor resistance is infinity Check connection of TL sensor error orzero open short connector circuit Check resistance i characteristics of TL sensor Check for defect in outdoor P C board VF TO sensor All stop Sensor resistance is infinity Check connection of TO error or zero open short sensor connector circuit Check resistance FOS dus characteristics of TO sensor Check for defect i
46. of outdoor fan during heating Check for insufficiency in refrigerant quantity 1 Total shutdown in case of header unit Continued operation in case of follower unit SVM 13085 indb 72 72 MG CTT Magnet contactor 12 2443 10 56 AM FILE NO 5 13085 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations H07 H07 VF Low oil level protection stop Operating compressor detects continuous state of low oil level for about 2 hours lt All outdoor units in corresponding line to be checked Check balance pipe service valve to confirm full opening Check connection and installation of TK1 TK2 TK4 and TK5 sensors Check resistance characteristics of TK1 TK2 4 and TK5 sensors Check for gas or oil leak in same line Check for refrigerant entrapment inside compressor casing Check SV3A SV3B SV3C SV3D SV3E and SV3F valves for defect Check oil return circuit of oil separator for clogging Check oil equalizing circuit for clogging H08 01 TK1 sensor error 02 TK2 sensor error 03 sensor error 04 TK4 sensor error 05 TK5 sensor error H08 VF Error in temperature sensor for oil level detection stop Sensor resistance is infinity
47. of the air conditioner with R410A refrigerant 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 R410A 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 R410A 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 For the earth protection use a vacuum pump for air purge 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 conditioner change 3 Pipe Materials 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 mater
48. or zero open short circuit Check connection of TK1 Sensor connector Check resistance characteristics of TK1 sensor Check for defect in outdoor P C board stop Sensor resistance is infinity or zero open short circuit Check connection of TK2 sensor connector Check resistance characteristics of TK2 sensor Check for defect in outdoor P C board stop Sensor resistance is infinity or zero open short circuit Check connection of TK3 Sensor connector Check resistance characteristics of TK3 sensor Check for defect in outdoor P C board I F stop Sensor resistance is infinity or zero open short circuit Check connection of TK4 sensor connector Check resistance characteristics of TK4 sensor Check for defect in outdoor P C board stop Sensor resistance is infinity or zero open short circuit Check connection of TK5 sensor connector Check resistance characteristics of TK5 sensor Check for defect in outdoor P C board SVM 13085 indb 73 78 12 24 13 10 56 FILE NO SVM 13085 SVM 13085 indb 74 Check code 5 Location i Main Outdoor 7 segment display of Description Systemstatus Error detection Check items locations remote condition s controller Check Sub code detection VF Compressor2 All stop Compressor 2 case Ch
49. out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies wear insulated heat resistant gloves insulated boots and insulated work overalls and take care to avoid touching any live parts You may receive an electric shock if you fail to heed this warning Only qualified service person 1 is allowed to do this kind of work WARNING General SVM 13085 indb 6 Before starting to repair the air conditioner read carefully through the Service Manual and repair the air conditioner by following its instructions Only qualified service person 1 is allowed to repair the air conditioner Repair of the air conditioner by unqualified person may give rise to a fire electric shocks injury water leaks and or other problems Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the air conditioner Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks 12 2443 10 56 AM FILE NO SVM 13085 Electrical wiring work shall be conducted according to law and regulation in the community and Installation manual Failure to do so may result in electrocution or short c
50. reset signal is received from the remote controller In this time if the specified time elapsed the counted time is reset and the LC display is deleted Filter time 2500H 26 FILTER goes on 12 2443 10 56 AM Display of READY HEAT READY Outline of specifications lt READY Displayed the remote controller 1 When the following check codes are indicated Open phase of power supply wiring 5 was detected There is an indoor unit that detected the indoor overflow P10 There is an indoor unit that detected the interlock alarm L30 2 During forced thermo OFF COOL DRY operation is unavailable because the other indoor unit operates with HEAT mode HEAT operation is unavailable because COOL priority SW11 bit1 of the Outdoor I F P C board is ON is set and the other indoor unit operates with COOL DRY mode 3 When the above indoor units that cannot operate stay in thermo OFF status 4 When the indoor fan stops because the system performs Recovery operation for heating refrigerant Oil lt HEAT READY gt Displayed on the remote controller When the indoor fan stops in order to prevent discharge of cool air when heating operation started or during heating operation including the defrost operation during thermo OFF lt READY gt display No display for wireless type remote controller lt HEAT READY gt FILE NO SVM 13085 SVM 13085 in
51. set to the outdoor unit if they are set the check code E04 Indoor Outdoor communication circuit error is issued Note 2 When an address was manually set from the remote controller and the central control over the refrigerant lines is carried out perform the following setting for the Master unit of each line Set the line address for every line using SW13 and 14 on the interface P C board of the center unit in each line Except the least line address No turn off SW30 2 on the interface P C board of the Master units in the lines connected to the identical central control Draw the terminal resistances of indoor outdoor and central control line wirings together For each refrigerant line connect the relay connector between Master unit U1U2 and 0304 terminals After then set the central control address For setting of the central control address refer to the Installation manual for the central control equipment 44 SVM 13085 indb 44 12 2443 10 56 AM 5 13085 B Confirmation of indoor unit No position 1 To know the indoor unit addresses though position of the indoor unit is recognized case of individual operation Wired remote controller indoor unit 1 1 Follow to the procedure during operation Procedure 1 Push on button if the unit stops UNIT LOUVER 2 Push left side button button Unit No 1 1 is displayed on LCD It disappears afte
52. site and receive electric shocks if this warning is not heeded the equipment SVM 13085 indb 7 12 2443 10 56 AM FILE NO SVM 13085 Connect the cut off lead wires 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 Insulating measures When performing repairs using a gas burner replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn 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 the welder may catch the inflammables The refrigerant used by this air conditioner is the R410A Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use 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 Do not use any refrigerant different from the one specified for complement or replacement
53. with 4 9N m or more 8 Attach the fan case under as original and check the fan turns smoothly without coming to contact with the fan case or abnormal sound is not heard 92 SVM 13085 indb 92 12 2443 10 56 AM SVM 13085 indb 93 FILE NO SVM 13085 Part name Procedure Remarks 0 1 Detachment 1 Perform works of 1 of 5 2 Remove connectors for fan motor wiring from control P C board CN210 Motor power supply 7P White NOTE First unlock the housing and then remove the connectors 3 Remove the fixing screws of the fixing plate 2 pcs at the side of the fan motor 25 x 10 2 pcs 4 While supporting the fan motor by hands remove the the fan motor 2 Attachment 1 Attach as before in fan motor motor fixing plate fan electric part box cover order Attach the connector then perform wiring as original 93 The fixing plate g 12 2443 10 56 AM FILE NO SVM 13085 Part name Procedure Remarks SVM 13085 indb 94 1 Detachment 1 Perform works of 1 of 1 2 Remove the screws of the side cover One side x 10 1 pc 3 Slide to the air discharge side remove the side cover 2 Attachment 1 Insert hooking claw of the side cover in the square hole on the main body Slide to the air intake side and attach the side cover 2 Fix the side cover by screws One side x 10 1 pc 94 12 24 13 10 56 FILE N
54. 015 43T11329 ASM FORM 1 1 1 1 016 43T11330 ASM FORM 1 1 1 1 017 43T20338 ASM FAN MLB 2 2 2 2 018 43722329 ASM S V LOUVER 2 2 2 2 019 43722334 ASM F FLAP 1 1 1 1 020 43 22333 ASM GEAR FLAP 1 1 1 1 021 43722327 ASM FAN CASE D 2 2 2 2 022 43722328 ASM FAN CASE U 2 2 2 2 023 43721443 MOTOR FAN 1 1 1 1 024 43T46431 VALVE PMV 1 1 1 1 025 43T46416 MOTOR PMV 1 1 1 1 026 43747386 STRAINER 1 1 1 1 027 43T46417 SHEET PMV 1 1 1 1 028 43T60446 LEAD MOT 1 1 1 1 029 43T62349 GROMMET 1 1 1 1 030 43T62350 GROMMET 1 1 1 1 031 43T70317 ASM HOSE 1 1 1 1 032 43T83313 HOSE BAND 2 2 2 2 033 43779320 CAP DRAIN 1 1 1 1 034 43T80338 AIR FILTER 2 2 2 2 035 43T81304 HANGER R 1 1 1 1 036 43T81305 HANGER L 1 1 1 1 037 43T97318 SCREW DR 1 1 1 1 038 43T19333 HOLDER SENSOR 2 2 2 2 039 43T19321 FIX P SENSOR 1 1 1 1 040 43721397 STEPPING MOTOR 1 1 1 1 041 43T47333 BONNET 12 70 DIA 1 1 1 1 042 43T47331 BONNET 6 35 DIA 1 1 1 1 043 43T82320 SOCKET 1 1 1 1 044 43T82319 SOCKET 1 1 1 1 045 43T97317 NUT FLARE 1 2 IN 1 1 1 1 046 43T97311 NUT FLARE 1 4 IN 1 1 1 1 047 43T49364 COV FRAME MAIN 1 1 1 1 048 43T85558 INSTR INST 1 1 049 43T85559 INSTR INST 1 1 105 12 24 13 10 56 Electric Parts
55. 1 SVM 13085 indb 51 12 24 13 10 56 FILE NO SVM 13085 Target outdoor unit SMMS i Series 4 CODE No Data Format i Remote controller display example Indoor unit 00 Room temperature in control x1 data 2 01 Room temperature Remote controller xi 02 Air Temperature TA 1 03 Coil Temperature TCJ x1 0024 24 04 Coil Temperature TC2 x1 05 Coil Temperature TC1 x1 06 Discharge temperature TF 1 x1 08 PMV 0150 1500 pls Air Suction Temperature of direct expansion coil TSA 1 FA Outdoor Air Temperature TOA 1 System unit Number of connected indoor units 0048 48 data 0B Total horse power of connected indoor units 0415 41 5HP oc Number of connected outdoor units 0004 4 Total horse power of outdoor units 0420 42HP 09 0024 24 C CODE No Data Format Remote controller display example Individual Detection pressure of high pressure sensor data 1 of Pd 100 0123 1 23 outdoor Detection pressure of low pressure sensor unit 3 Ps x100 Discharge temperature of compressor 1 Td1 Discharge temperature of compressor 2 Td2 Discharge temperature of compressor 3 Td3 0024 24 Suction Temperature TS Coil Temperature 1 TE1 Coil Temperature 2 TE2 Liquid Temperature TL Outdoor Temperature TO PMV1 2 4 Current of compressor 1 1 Current of compressor 2 I2 Current of compressor 3
56. 1 0048 48 Total horse power of connected indoor units x1 0415 41 5 Number of connected outdoor units x1 0004 4 00 Total horse power of outdoor units Data x1 0420 42 Remote controller display example Individual data 1 of outdoor unit 3 Discharge temperature of compressor 1 Td1 Discharge temperature of compressor 2 Td2 0024 24 Detection pressure of high pressure sensor Pd Detection pressure of low pressure sensor Ps 0123 1 23 MPa Suction Temperature TS Coil Temperature 1 TE Liquid Temperature TL Outdoor Temperature TO Low pressure saturation temperature TU 0024 24 Current of compressor 1 1 0135 13 5 A Current of compressor 2 I2 PMV1 2 0050 500 pls 0050 500 pls 1 2 Outdoor fan mode 0031 31 Horse power of outdoor unit 0016 16HP 1 In the case of group connection only the header indoor unit data can be displayed 2 01 Only compressor 1 is on 10 Only compressor 2 is on 11 Both compressor 1 and 2 are on 3 The upper digit of CODE No indicates the outdoor unit No U1 outdoor unit Header unit U2 outdoor unit follower unit 1 03 outdoor unit follower unit 2 04 outdoor unit follower unit 3 5
57. 3ndui sem 10119 ON si jo Bumes s Ayoedeo asun 1 Joopu epis osje pejoejeg asun si 100pu asun s 1oopu yun u pejoeuuoo ue uana SI eJeu L yun ejqeo si eJeu L dno B ui spun jepeeu 21941 dno4B ui jo Bus pe1oejep eq 19410 101149 J00puI OY 140 10 Joopu sem yL 10sues Jo uous uedo 10119 V1 105496 eeeeo oe ee sem 12 1 10sues dwa 1eeu Jo uous yuedo 191 Josuas 1oopu sem 201 10sues duu yeay jo 1045 980 201 Josuas duu 1 1eeu 1oopu pejoejep sem 105095 yeay uous u do 105 95 1eeu 100pu V V V
58. B Outdoor model Old model outdoor unit prior to 3 series has been E O SsIM incompatibility error connected FS Flow Selector unit Cooling heating cycle error resulting from piping L18 L18 error error is detected Too many outdoor units More than four outdoor units have been L28 L28 O SM connected connected SMMS Series 1 01 A3 IPDU1 error 02 A3 IPDU2 error 03 A3 IPDU1 A3 IPDU2 error 04 Fan IPDU error 05 A3 IPDU1 Fan IPDU error 06 A3 IPDU2 Fan IPDU error 07 All IPDU error SMMS i Series 4 There insufficient number of IPDUs P C L29 A3 IPDU Fan A3 IPDU Fan L29 SIM Error in number of IPDUs s 1 2 1 2 3 O boards in inverter box 0 JO o2 O 0B O O 03100 0 O O 04 oDjO O O 05 0 0 O 06 JOJO O 07 0 0 0 Circle 08 Faulty IPDU 0910 Indoor unit has been shut down for external error 3 Indoor external error input 130 Detected indoor unit No L30 SIM Tiferlock n input one refrigerant line detected by indoor unit Outdoor discharge TD1 Outdoor discharge temperature sensor TD1 has r temperature error detected abnormally high temperature P0301 Compressor 1 High pressure SW 02 Compressor 2 04 T activation High pressure SW was activated 03 Compressor 3 00 Open phase detected Open phase power failure Open phase is de
59. BASE 1 1 1 1 010 43T08421 PANEL LED 1 1 1 1 011 43T09493 SUCTION GRILLE 1 1 1 1 012 43T09494 SUCTION GRILLE 1 1 1 1 013 43T00639 ASM COAT P UP 1 1 1 1 014 43T00642 ASM COAT P UD 1 1 1 1 015 43T11327 ASM FORM UP 1 1 1 1 016 43T11329 ASM FORM 1 1 1 1 017 43T11330 ASM FORM 1 1 1 1 018 43720338 ASM FAN MLB 3 3 3 3 019 43722329 ASM S V LOUVER 3 3 3 3 020 43722331 ASM FLAP 1 1 1 1 021 43722333 ASM GEAR FLAP 1 1 1 1 022 43722327 ASM FAN CASE D 3 3 3 3 023 43722328 ASM FAN CASE U 3 3 3 3 024 43722323 BEARING 1 1 1 1 025 43722324 COUPLING 1 1 1 1 026 43722325 SHAFT 1 1 1 1 027 43T21444 MOTOR FAN 1 1 1 1 028 43T46414 VALVE PMV 1 1 1 1 029 43T46416 MOTOR PMV 1 1 1 1 030 43747386 STRAINER 1 1 1 1 031 43T46417 SHEET PMV 1 1 1 1 032 43T60446 LEAD MOT 1 1 1 1 033 43T62349 GROMMET 1 1 1 1 034 43T62350 GROMMET 1 1 1 1 035 43T70317 ASM HOSE 1 1 1 1 036 43T83313 HOSE BAND 2 2 2 2 037 43779320 CAP DRAIN 1 1 1 1 038 43T80338 AIR FILTER 1 1 1 1 039 43T80339 AIR FILTER 1 1 1 1 040 43T81304 HANGER R 1 1 1 1 041 43T81305 HANGER L 1 1 1 1 042 43797318 SCREW DR 2 2 2 2 043 43T19333 HOLDER SENSOR 2 2 2 2 044 43T19321 FIX P SENSOR 1 1 1 1 045 43721397 STEPPING MOTOR 1 1 1 1 046 43747334 BONNET 15 88 DIA 1 1 1 1 047 43T47332 BONNET 9 52 DIA 1 1 1 1 048 43T82321 SOCKET 1 1 1 1 049 43T82318 SOCKET 1 1 1 1 050 43T97314 NUT FLARE 5 8 IN 1 1 1 1 051 43T97312 NUT FLARE 3 8 IN 1 1
60. Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD1 sensor Check for insufficiency in refrigerant quantity Check for defect in 4 way valve Check for leakage of SV4 circuit Check SV4 circuit wiring or installation error in 5 41 SV42 or SV43 P04 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side P04 IPDU Activation of high pressure SW All stop High pressure SW is activated Check connection of high pressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for error in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging SVM 13085 indb 78
61. Denomination Air Conditioner Definition of Qualified Installer or Qualified Service Person The air conditioner must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qualified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table below Qualifications and knowledge which the agent must have Qualified installer The qualified installer is a person who installs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or in
62. Display on the display part is same to that in Procedure 1 Push TEST button to clear the TEST mode ITEST display in the display part disappears and status becomes the normal stop status Note The test run returns to the normal operation after 60 minutes 34 SVM 13085 indb 34 12 2443 10 56 AM 5 13085 In case of wireless remote controller 1 When TEMPORARY button is pushed for 10 seconds or more Pi sound is heard and the operation changes to a forced cooling operation After approx 3 minutes a cooling operation starts forcedly Check cool air starts blowing If the operation does not start check wiring again 2 To stop a test operation push TEMPORARY button once again Approx 1 second Check wiring piping of the indoor and outdoor units in forced cooling operation TEMPORARY button TOSHIBA se m E 35 SVM 13085 indb 35 12 2443 10 56 AM FILE SVM 13085 Check function for operation of indoor unit Functions at indoor unit side This function is provided to check the operation of the indoor unit singly without communication with the remote controller or the outdoor unit This function can be used regardless of operation or stop of the system However if using this function for a long time a trouble of the equipment may be caused Limit using this function within several minutes How to operate 1 Short circuit CHK pi
63. K5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor 75 12 2443 10 56 AM FILE NO SVM 13085 Check code Location i Main Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Check Sub code detection SMMS i VF Oil level All stop No temperature Check for disconnection of TK4 sensor 4 series detection change is detected Check resistance characteristics of 01 TK1 oil circuit error by TK4 despite TK4 sensor circuit error compressor having Check for connection error involving 02 2 oil been started TK1 TK2 TK3 TK4 and TK5 sensors circuit error Check for faulty operation in SV3E or 03 TK3 oil SV3F valve circuit error Check for clogging in oil equalizing 04 TK4 oil circuit capillary and faulty operation in circuit error check valve 05 TKS oil Check for refrigerant entrapment inside circuit error compressor H16 H16 No temperature Check for disconnection of TK5 sensor change is detected Check resistance characteristics of by TK5 despite TK5 sensor compressor having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E valve Check for clogging in oil equali
64. O 5 13085 Part name Procedure pC Remarks 0 Under panel 1 Detachment 1 Perform works of 1 of 2 Remove the support plate AP024 to AP056 type only 24 x 10 1 pc The screw front side is removed and it detaches it from the square hole on the back side 3 The screw on both sides is removed Lg 24 x 10 2 pcs 4 The screw on fan side is removed AP015 to APO27 type O4 x 10 3 pcs AP036 to APO56 type x 10 4 pcs 5 Slide to the air discharge side and remove the under panel F NOTE When you remove forcibly which PS may result in the product breaks T 6 When you remove the signal receiving x cdi i unit lap the end of flat head screw Wir WR driver with vinyl tape and forcedly W insert it into the groove at the side under circle mark on the cover M VW Flat blade screwdriver Lap it with vinyl tape W y SEN Screws i Insert it into groove at the side under circle mark on the cover 2 Attachment 1 Attach the under panel from air discharge side according to drain pan 2 Attach the screws as original position 80 160 type attach the support plate as original position as Df SVM 13085 indb 95 12 2443 10 56 AM FILE NO 5 13085 Part name Procedure 9 Drain pan 1 Detachment 1 Perform works of 1 of D 1 of 2 and 1 of 8 2 Remove the
65. Outdoor follower unit error follower outdoor unit detail displayed on follower outdoor unit A3 IPDU Fan A3 IPDU Fan 112 S3 IPDU 1 2 3 IPDU 010 OA O 02 0B O 03 oC O O E31 04 1 IPDU communication error DOE between IP OUS 050 JO OE O 06 OJO O 07 0 o o Circle O jog Faulty IPDU 090 Outdoor discharge Fos 5 Fa a temperature sensor Outdoor discharge temperature sensor has error Outdoor discharge ros 3 ms sensor Outdoor discharge temperature sensor TD2 has error Outdoor heat exchanger 01 TE1 Outdoor heat exchanger temperature sensors F06 02 F06 ALT temperature sensor TED have been open short circuited TE2 error gt Outdoor liquid temperature Outdoor liquid temperature sensor TL has been For F07 ALT sensor TL error open short circuited Outdoor outside air i F08 F08 ALT temperature sensor TO oy ae sensor TO has error F11 F11 SVM 13085 indb 58 58 12 2443 10 56 AM Check code Display of receiving unit Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display Indicator light block oe Timer Ready Flash Typical fault site FILE NO SVM 13085 Description of error F12 Outdoo
66. SMMS i and Mini SMMS the automatic mode cannot be selected While a wireless remote controller is used the mode is notified by Pi Pi two times receiving sound and the alternate flashing of TIMER and READY To clear the alternate flashing change the mode on the wireless remote controller Ta Room temp Ts Setup temp Room temp control 1 Adjustment range Remote controller setup temperature C _________ HEAT AUTO 18 to 29 18 to 30 18 to 29 17 to 30 18 to 29 17 to 27 Wired type Wireless type 21 For SHRM only 12 2443 10 56 AM Room temp control Continued Outline of specifications 2 Using the CODE No 06 the setup temperature in heating operation can be corrected Setup data 0 2 4 6 0 2 4 C 6 C Setup temp correction Setting at shipment FILE NO SVM 13085 Remarks Shift of suction temperature in heating operation Except while sensor of the remote controller is controlled Automatic capacity control 1 Based on the difference between Ta and Ts the opera tion capacity is determined by the outdoor unit COOL Ts Setup temp Ta Room temp SVM 13085 indb 22 Automatic cooling heating control For SHRM only 1 The judgment of selecting COOL HEAT is carried out as shown below When 1 5 exceeds against Tsh 10 minutes OFF heating operation Thermo OFF excha
67. TO G H FILE NO SVM 13085 SERVICE MANUAL AIR CONDITIONER MULTI TYPE INDOOR UNIT Ceiling type MMC AP0157HP E TR MMC AP0187HP E TR MMC AP0247HP E TR MMC AP0277HP E TR MMC AP0367HP E TR MMC AP0487HP E TR MMC AP0567HP E TR HFC FILE NO SVM 13085 Original instruction Adoption of R410A Refrigerant This Air Conditioner adopted refrigerant R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer CONTENTS SAFETY CAUTION usse 3 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 15 1 1 MMC APO157HP APO187HP uus 15 1 2 MMC APO247HP APO277HP 16 1 3 MMC AP0367HP APOBG7HP 17 2 WIRING DIAGRAM 4 18 3 PARTS RATING 2 _ eese 19 4 REFRIGERATION CYCLE DIAGRAM s 1 0 20 5 CONTROL OUTLINE 4 21 6 CONFIGURATION OF CONTROL CIRCUIT 30 7 APPLIED CONTROL 38 8 TROUBLESHOOTING _ 55 9 DETACHMENTS IR eee 89 10 REPLACEMENT OF SERVICE P C BOARD gt _ 98 11 EXPLODED VIEWS AND PARTSLIST 4 103 2 SVM 13085 indb 2 12 2443 10 56 AM FILE NO SVM 13085 SAFETY CAUTION Please read carefully through these instructions that contain important information which complies with the Machinery Directive Directive 2006 42 EC and ensure that you understand them Generic
68. When there is no EEPROM or write in error D501 flashes with 10 seconds interval every 5 second In DISP mode 0501 flashes with 2 seconds interval every 1 second During setting of function exchange EEPROM 2 D403 Red 0403 goes on when power is supplied to the remote controller ON in hardware 3 D503 Yellow Indoor Outdoor central control D503 goes on for 5 seconds at the first half during communication with the central controller 0503 flashes for 5 seconds with 0 2 second interval at the latter half during communication with outdoor unit Goes on for 0 1 second goes off for 0 1 second 4 D504 Green Remote controller communication 0504 goes on for 5 seconds at the first half during communication with remote controller Header unit of group n the group indoor unit D504 flashes for 5 seconds with 0 2 second interval at the latter half during communication between header and follower unit Goes on for 0 1 second goes off for 0 1 second 5 D14 Orange It flashes while receiving the serial signal from the outdoor unit Hardware 6 D15 Green It flashes while sending the serial signal to the outdoor unit Hardware 54 SVM 13085 indb 54 12 2443 10 56 AM FILE NO SVM 13085 8 TROUBLESHOOTING 8 1 Troubleshooting Summary 1 Before troubleshooting 1 Applied models SMMS i Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXXT8X MMY MAPXXXHT7
69. X Q Super Heat Recovery Multi type models Indoor unit MMX APXXX Outdoor unit MMY MAPXXXFT8X 9 Mini SMMS Multi type models Indoor unit MMX APXXX Outdoor unit MCY MAPXXXHT MCY MAPXXXHT2X 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 s not delayed for 3 minutes 3 minutes after compressor OFF s not thermostat OFF s not the fan operating or timer s not the system initially communicating Heating operation cannot be performed under condition of outside temperature 21 C or higher Cooling operation cannot be performed under condition of outside temperature 5 C or lower Indoor fan does not work s not the cold draft prevention being controlled in heating operation Outdoor fan does not rotate or Is not low cooling operation being controlled fan speed changes s not a defrost operation being performed Indoor fan does not stop s not after heat elimination operation being controlled after heating operation Start stop operation on remote s not auxiliary unit or remote control being operated controller is unavailable 15 connecting wire of indoor unit or remote controller correct 2 Troublesho
70. adings of high pressure Check connection of high pressure Pd sensor and lowpressure pressure Pd sensor connector sensor wiring Ps sensor are Check connection of lowp error Pd Ps Switched ressure Ps sensor connector Output voltages of both Check for defect in pressure F16 F16 Sensors are zero sensors Pd and Ps Check for error in outdoor P C board Check for deficiency in compressive output of compressor VF TD3 sensor All stop Sensor resistance is infinity Check connection of error or zero open short sensor connector circuit Check resistance Fee F22 characteristics of sensor Check for defect in outdoor P C board VF Ps sensor Allstop Output voltage of Ps Check for connection error error sensor is zero involving Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check for defect in Ps sensor F23 F23 for deficiency in compressive output of compressor Check for defect in 4 way valve Check for defect in outdoor P C board Check for defect in SV4 circuit qus SVM 13085 indb 71 12 2443 10 56 AM FILE NO SVM 13085 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Check items locations F24 F24 VF Pd sensor error All stop Out
71. ailable Operation prohibited 0000 Available Presence of Application control kit TCB PCUC1E TYPE Setup data Type 0000 None 0001 Exist Abbreviated Model name MMC AP XXX HP 0007 Ceiling Type Indoor unit capacity CODE No 11 Setup data Model Setup data 0000 Invalid 0016 0001 007 Type 0017 048 Type 0002 0018 056 0003 009 0019 0004 0020 0005 012 Type 0021 072 Type 0006 0022 0007 015 Type 0023 096 Type 018 Type 024 Type 027 Type 030 Type SVM 13085 indb 40 036 Type ds 0000 None 12 2443 10 56 AM 5 13085 7 2 Applied Control in Indoor Unit E Remote location ON OFF control box TCB IFCB 4E2 Wiring and setup Use the exclusive connector for connection with the indoor control P C board n 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 con
72. arget indoor VF Outdoor unit The outdoor unit model is Check the outdoor unit L17 L17 address model mismatch duplicate The Cool Heat model error Flex series 1 2 are duplicate VF Cool heat Only the target The heating operation was Check the remote controller Switch unit error unit stopped performed without the cool setting DN 0F only setting configured in a Check the cool heat cool only room where a cool switching unit L18 L18 a heat switch unit is not Check the piping connection connected of the switching unit Miswiring of discharge gas Suction gas Check the SVS SVD valve miswiring misinstallation AI NET Duplicated All stop There is duplication in central Check central control Indoor central control control address setting addresses L20 B unit address Check network adaptor P C board applicable to VF Too many All stop There are more than four Check No of outdoor units outdoor units outdoor units connected Only up to 4 connected units per system allowed Check communication ee 58 lines between outdoor units Check for defect in outdoor P C board I F SMMS Series 1 VF Error in No of stop Insufficient number of IPDUs Check model setting of 01 A3 IPDU1 IPDUs are detected when power is P C board for servicing error turned on outdoor I F P C board 02 A3 IPDU2 Check connection of UART error communication connector 03 A3 IPDU1 A3 Check A3 IPDU fan IPDU IPDU2 error and I F P C b
73. ay lt 7 segment display ot tlt F LL How to read 0 12 3 4 5 6 7 8 9 A b C d SVM 13085 indb 62 After confirmation push e button to return to the usual display nm gt N 12 2443 10 56 AM B In case of central remote controller TCB SC642TLE2 1 SVM 13085 indb 63 ZoNE ona Di Lt 51234 LU RC No UNIT No dd 9815 Ol WHS REO Hii EL SELECT Confirmation and check aw l c ss FILE NO SVM 13085 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 Confirmation of error history Unit No display Confirmation of error history Alarm display When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure Up to 4 error histories are stored in memory This history can be confirmed from either operating or stop 1 Push and buttons in succession for 4 seconds or more 2 SERVICE CHECK goes on and Item code 01 goes on 3 When selecti
74. by pushing Cv 4 buttons for the temperature setting this is the setting for the filter sign lighting time Step 6 Check the setting data displayed at this time with the setting data put down in 1 1 If the setting data is different modify the setting data by pushing G buttons for the timer setting to the data put down in 1 The operation completes if the setting data is displayed 2 f the data is the same proceed to next step Step 7 Change the CODE No DN by pushing buttons for the temperature setting As described above check the setting data and modify to the data put down in 1 Step 8 Repeat the steps 6 and 7 Step 9 After the setting completes push button to return to the normal stop status It takes approx 1 min until the remote control operation is available again The CODE No DN are ranged from Z to FF The CODE DN is not limited to be serial No Even after modifying the data wrongly and pushing O button it is possible to return to the data before modification by pushing button if the CODE No DN is not changed Fig 2 EEPROM layout diagram The EEPROM 503 is attached to the IC socket When detaching the EEPROM use a tweezers etc Be sure to attach the EEPROM by fitting its direction as shown in the figure Do not bend the IC lead when replacing Cut out N H EEPROM EEPROM LA ra rr a o Cu
75. coil installation error P17 P17 VF Discharge temperature TD2 error stop Discharge temperature TD2 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD2 sensor Check for defect in 4 way valve Check SV4 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 P18 P18 EE VF Discharge temperature error stop Discharge temperature exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD3 sensor Check for defect in 4 way valve Check 5 43 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 SVM 13085 indb 80 80 12 2443 10 56 AM FILE NO SVM 13085 Check code Main Outdoor 7 segment display remote controller Check Sub code Location of detection Description System status Error detection condition s Check items locations P19 Detected outdoor unit No P19 VF 4 way valve reversing error stop Abnormal refrigerating cycle data is collected during heating operation Check for defect in main body o
76. ctable 1 The schedule timer cannot be connected to the simple wired remote controller 32 SVM 13085 indb 32 12 2443 10 56 AM FILE NO SVM 13085 6 2 Indoor P C board MCC 1643 UM LIND OLSNO uoneoiunuuuio9 OLL VH Jo no Je ojuoo enig 28 0 indjno ANd dn 199 ou pes LZGNO PIMA AZLOG 3 OLCNO Jojouuue Oq 9 LENO yun S4 jndjno AOvC 0ccOV BOEND Kjddns samod 2 0220 yoelg 9 ASOG J9 O41UO9O 9 OUJ9J JO M 2240 qan Ajddns dsia LOSMS 222 LZNO 1 9Jes MHD ounssoJd 5 431 0 009 4oopino Joopu 031 Alddns samog MOlISA VOLNO Josues V 1 r0SNO ASOG Josues 221 ASOG ZOLNO Josues ASOG UMO1g 00LNO JOSUSS LOL PEND MS 38014 Joopino Joopu enig LyNO 33 12 24 13 10 56 SVM 13085 indb 33 6 3 Functions at test run E Cooling Heating test run check FILE NO SVM
77. d for fan The difference between targeted rotation and actual rotation is 25 or more Restarted in 6 seconds All stop Sub code 0D Check the fan motor FAN IPDU position detection Check the connector circuit connection for fan motor Position detection is not error of IPDU performed properly No wind stop Sub code Check the fan motor External factors such as Check the error of IPDU blast board for fan Position detection is not performed properly Wind blows Restarted in 6 seconds 82 12 24 13 10 56 FILE NO SVM 13085 Check code Location i Main Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Check Sub code detection SMMS i IPDU Outdoor fan All stop Sub code 0 Check fan motor Series 4 IPDU error Fan IPDU over current Check for defect in fan 0 IGBT circuit protection circuit IPDU P C board 1 Position Flow of current equal to or detection circuit greater than the specified error value is detected during 3 Motor lockup startup of the fan error 4 Motor current All stop Sub code 1 Check fan motor detection Fan IPDU position detection Check connection of fan C TH sensor circuit motor connector An MN Position detection is not Check for defect in fan Ds TH sensor going on normally IPDU P C board error
78. db 27 Selection of central control mode 1 Selection of the contents that can be operated by the remote controller at the indoor unit side is possible according to setting at the central controller side 2 Setting contents In case of TCC LINK central control Operation from TCC LINK central control Operation on RBC AMT32E ON OFF Operation Timer Temp Air speed Air direction Individual setting selection setting setting setting setting Central 1 Central 2 Central 3 Central 4 Operation possible gt lt Operation impossible 27 12 24 13 10 56 SVM 13085 indb 28 Louver control Outline of specifications 1 Louver position setup When the louver position is changed the position moves necessarily to downward discharge position once to return to the set position The louver position can be set up in the following operation range In cooling dry operation In heating fan operation n group operation the louver positions can be set up collectively or individually In case of refrigerant recovery control the louver position becomes horizontal Swing setup SWING is displayed and the following display is repeated In all operations gt gt n group operation the louver positions can set up collectively or individually When the unit stopped or the warning was
79. dividuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handling and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service person SVM 13085 indb 3 The qualified service person is a person who installs repairs maintains relocates and removes the air conditioners made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has
80. dress is not displayed TIME a button push up down the indoor address of the SET DATA The set data is changed to a new address SET Push button to determine the set data UNIT LOUVER Every pushing left side button button the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation Repeat the Procedures 4 to 6 to change all the indoor addresses so that they are not duplicated 2 UNIT LOUVER SWING FIX button SET Push button the indications of LCD go on TEST Push button and then the procedure finishes 48 SWING FIX UNIT LOUVER id Cancel of line selection If the UNIT No is not call up here the outdoor unit in that line does not exist Push C3 button to select a line again in the Procedure 2 Finish When you want to complete the setting 5 Operation procedure 1 2 3 4 5 6 gt 7 gt 8 END 12 24 13 10 56 5 13085 B Function to clear error 1 Clearing method from remote controller How to clear error of outdoor unit In the unit of refrigerant line connected by indoor unit of the remote controller to be operated the error of the outdoor unit currently detected is cleared Error of the indoor unit is not cleared The service monitor function
81. e cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board E28 E28 Detected outdoor unit No VF Outdoor follower unit error All stop Outdoor header unit receives error code from outdoor follower unit Check check code displayed on outdoor follower unit Convenient functions If SW04 is pressed and held for atleast 1 second while E28 is displayed on the 7 segmentdisplay of outdoor header unit the fan of the outdoor unit that has been shut down due to an error comes on If SWO4 SWO5 are pressed simultaneously the fans of normal outdoor units come on To stop the fan or fans press 5 05 on its own SVM 13085 indb 69 69 12 2443 10 56 AM FILE NO SVM 13085 SVM 13085 indb 70 Check code Location i Main Outdoor 7 segment display of Description System status Error detection Check items locations remote condition s controller Check Sub code detection SMMS Series 1 IPDU stop Communication is disrupted Check wiring and connectors 01 A3 IPDU1 error communication between IPDUs involved in communication 02 A3 IPDU2 error error boards in inverter box between IPDU I F P C board 03 A3 IPDU1
82. e oil circuit capillary clogging circuit error Fus Dee Hi valve set 2 eck the hibernating refrigerant in 04 TK4 oil compressor circuit error SMMS VF Oil detection All stop The temperature Check the TK2 sensor installation 1 series circuit error change of TK2 Check the TK2 sensor resistant 01 TK1 oil cannot be detected characteristics circuit error even after Check the misconnection of TK1 TK2 02 2 oil Compressor 2 starts or TK4 circuit error operating Check the SV3E valve error 03 TK3 oil Check the oil circuit capillary clogging circuit error eus EPIS valve Seni the hibernating refrigerant 04 TK4 oil compressor 575 circuit error The temperature Check the sensor installation change of TK3 Check the sensor resistant cannot be detected characteristics even after Check the misconnection of TK1 TK2 Compressor 3 starts TKS or operating Check the SV3E valve error Check the oil circuit capillary clogging and non return valve error Check the hibernating refrigerant in compressor The temperature Check the TK4 sensor installation change of TK4 Check the TK4 sensor resistant cannot be detected characteristics even after Check the misconnection of TK1 TK2 Compressor 4 starts or TK4 operating or the Check the SV3E valve error temperature Check the oil circuit capillary clogging difference from that and non return valve error f the other TK Check t
83. e 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 Confirmation of error history Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure Up to 4 error histories are stored in memory This history can be confirmed from either operating status or stop status Check code FILE NO SVM 13085 1 c UNIT No ri Indoor unit No in which an error occurred OFF FILTER UNIT LOUVER RESET TEST m SWING FIX Description When pushing e buttons simultaneously for 4 seconds or more the below display appears If Service Check is displayed the mode enters in the error history mode 01 Error history order is displayed in CODE No window Check Code is displayed in check code window Indoor unit address with error is displayed in UNIT No CODE No CAUTION Do not push O button because all the error histories of the indoor unit will be deleted Every pushing temp set CD buttons the error histories stored the memory are displayed in order The numbers in CODE No indicates CODE No 01 Latest to 04 Oldest How to read the check monitor displ
84. e setting Check power supply for devices at other end of central control communication line Check defect in P C boards of devices at other end of central control communication line General Blanket alarm Continued Error signal is input to control Check error input C12 _ for general interface for general purpose device purpose device devices VF control interface Differs according to TCC LINK Group control Continued Error occurs in follower unit Check check code of unit nature of alarm causing follower unit operation under group control that has generated alarm error error 30 is displayed on central P30 control remote controller Duplicated Continued There is duplication in central Check address settings L20 displayed central control operation control addresses address 84 12 24 13 10 56 FILE NO SVM 13085 8 5 Diagnostic Procedure for Each Check Code Indoor Unit Please refer to the multi outdoor unit service manual excluding these Check code E11 error Connection for the UART communication connector Internal board Repair of connector CN521 red Optional connection board CN1 red normal Is connector lead wire for the UART Replacement of the communication connector s lead wire cut Red LED LD1 of external output board not illuminated Lead wire is cut or fault of input
85. e tightening screw may come at the right of the fan toward the heat exchanger 2 Insert the fan in the shaft while adjusting to match the installation mark to the groove of the fan The fan and the screw tightening of the shaft are the last work Refer to the photograph for the direction of the installation of the fan Heat exchanger side Partition plate 91 12 24 13 10 56 FILE NO SVM 13085 Part name Procedure Remaks O 3 When the bearing is installed in the shaft perform work of 1 The coupling side is set to the ditch and the fan is fixed with the hexagonal screw hole NOTE m E The ditch of shaft The ditch of shaft Be sure to use a torque wrench for NK RD fixing and tighten with 2 5 to 3 4N m u 4 shaft that inserts the fan is inserted I in the coupling After the bearing is installed it tightens 5 Attach the bearing in the main body as original 08 x 16 2 pcs p 6 The coupling inserted by the work of 4 5 is set to the ditch of the shaft and it gt fixes with hexagonal screw hole NOTE 1 I Be sure to use a torque wrench for W fixing and tighten with 4 9Nem or more 7 fan is positioned so that fan Be sure to confirm that the fan is at the center of the fan case may become a center for fan case upper and it fixes with the hexagonal screw hole NOTE Be sure to use a torque wrench for fixing and tighten
86. eck Compressor 2 case thermo case thermo thermo was circuit activation activated Connector Wiring Circuit board Open and check the service valve Gas side Liquid side Check the outdoor PMV clogging 1 2 Pd D Check the SV42 circuit Check the SVA circuit SV41 42 miswiring Check the opening status of indoor PMV Check the four way valve error Check the refrigerant shortage VF TD2 sensor stop Air discharge Check installation of TD2 sensor miswiring temperature of TD2 Check connection of TD2 sensor connector H15 H15 e incomplete does not increase and wiring insertion despite compressor Check resistance characteristics of TD2 2 being in operation sensor Check for defect in outdoor P C board I F 74 12 2443 10 56 AM FILE NO SVM 13085 SVM 13085 indb 75 Check code Location i Main Quideor 7 segment display of Description 5 status Error detection Check items locations remote heck detection condition s controller chech Sub code SMMS VF Oil detection All stop The temperature Check the TK1 sensor installation 1 series circuit error change of TK1 Check the TK1 sensor resistant 01 TK1 oil cannot be detected characteristics circuit error even after Check the misconnection of TK1 TK2 02 2 oil Compressor 1 starts or 4 circuit error operating Check the SV3E valve error 03 TK3 oil Check th
87. elay within 2m operation coil is approx 16mA Does not correspond to a terminal block type relay on the market 42 SVM 13085 indb 42 12 24 13 10 56 5 13085 Leaving ON prevention control Function This function controls the indoor units individually It is connected with cable to the control P C board of the indoor unit In a group control it is connected with cable to the indoor unit Control P C board and the CODE No 2E is set to the connected indoor unit t is 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 swi
88. ent error was detected while the compressor was stopped Compressor 1 case thermo activation Compressor 1 case thermo was activated for protection Outdoor discharge temperature sensor TD1 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD1 has been detected Activation of low pressure protection Low pressure Ps sensor detects abnormally low operating pressure Activation of low pressure protection Temperature sensor for oil level detection TK1 5 detects abnormally low oil level TK1 sensor error TK2 sensor error sensor error TK4 sensor error TK5 sensor error Error in temperature sensor for oil level detection TK1 5 Temperature sensor for oil level detection TK1 5 has been open short circuited Compressor 2 case thermo activation Compressor 2 case thermo was activated for protection Outdoor discharge temperature sensor TD2 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD2 has been detected TK1 oil circuit error TK2 oil circuit error TKS oil circuit error TK4 oil circuit error TK5 oil circuit error Oil level detection circuit error No temperature change is detected by temperature sensor for oil level detection TK1 5 despite compressor having been started Outdoor discharge temperature sensor TD3 wiring error Wirin
89. er Defective No of IPDU Indoor unit outside interlock error Outdoor unit EEPROM error 65 12 2443 10 56 AM 5 13085 B Others Except check code Lamp indication Check code Cause of trouble occurrence Operation Timer Ready Xx During test run Simultaneous flash Operation Timer Ready COOL HEAT disagreement ane Automatic cooling heating setup to automatic cooling heating unavailable model heating setup to cooling only model Alternate flash 66 SVM 13085 indb 66 12 24 13 10 56 FILE NO SVM 13085 8 4 Check codes displayed on remote controller and SMMS outdoor unit 7 segment For other types of outdoor units refer to their own service manuals display on board and locations to be checked SVM 13085 indb 67 Check code Main Outdoor 7 segment display a Description System status Error detection Check items locations remote Check detection condition s controller code Sub code Remote Indoor remote Stop of Communication between Check remote controller controller controller corresponding indoor P C board and remote inter unit tie cable A B communication unit controller is disrupted Check for broken wire or error connector bad contact detected at Check indoor power remote supply m E01 controller end B in indoor Check remote controller
90. erant pipe as original and then perform vacuuming 98 FILE NO SVM 13085 No Part name Procedure O 12 2443 10 56 AM FILE NO SVM 13085 10 REPLACEMENT OF SERVICE P C BOARD N CAUTION Model name MMC AP HP gt Note when replacing the P C board for indoor unit servicing The nonvolatile memory hereafter called EEPROM 503 on the indoor unit P C board before replacement includes the model specific type information and capacity codes as the factory set value and the important setting data which have been automatically or manually set when the indoor unit is installed such as system indoor group addresses high ceiling select setting etc When replacing the P C board for indoor unit servicing follow the procedures below After replacement completes confirm whether the settings are correct by checking the indoor unit No Group header unit follower unit settings and perform the cooling cycle confirmation through the trial operation Replacement procedures CASE 1 Before replacement the indoor unit can be turned on and the setting data can be read out by wired remote control operation EEPROM data read out 1 4 Replacement of P C board for Indoor unit servicing and power on 2 4 Writing the read out EEPROM data 3 for all indoor units connected to the remote control when the group operation control is performed CASE
91. et values Specify the indoor unit No with its P C board replaced to the P C board for indoor unit servicing gt You cannot perform this operation if ALL is displayed Step3 Select the CODE No DN can be selected by pushing the gt button for the temperature setting Set the indoor unit type and capacity The factory set values shall be written to the EEPROM by changing the type and capacity 1 Setthe CODE No DN 2 Select the type by pushing buttons for the timer setting For example 4 way Cassette Type is set to 0001 Refer to table 2 3 Push 5 button The operation completes if the setting data is displayed 4 Change the CODE DN to by pushing Cv gt to ru 177 buttons for the temperature setting 5 Select the capacity by pushing buttons for the timer setting For example APO27 Type is set to 0012 Refer to table 3 6 Push e button The setting completes if the setting data are displayed SVM 13085 indb 101 without change 101 lt Fig 1 RBC AMT32E gt DON OFF o FAN MODE C CS SAVE VENT FILTER RESET TEST UNIT LOUVER 12 2443 10 56 AM FILE NO SVM 13085 Step 4 Write the on site setting data to the EEPROM such as address setting etc Perform the steps 1 and 2 above again Step 5 Change the CODE DN to Z
92. ette Type MMU AP HP Invalid 007 type 048 type 056 type 0007 Ceiling Type MMC AP HP 1 EEPROM initial value on the P C board for indoor unit servicing 009 type 012 type 072 type 015 type 096 type 018 type 024 type 027 type 030 type 036 type EEPROM initial value on the P C board for indoor unit servicing 103 SVM 13085 indb 103 12 24 13 10 56 FILE NO SVM 13085 11 EXPLODED VIEWS AND PARTS LIST 11 1 0157 0187 MMC AP0157HP TR MMC AP0187HP TR 104 SVM 13085 indb 104 12 2443 10 56 AM FILE NO SVM 13085 SVM 13085 indb 105 Ref No Part No Description MMEA 0157HP E 0187HP E 0157HP TR 0187HP TR 001 43T72314 ASM SUB PAN DR 1 1 1 1 002 43744513 ASM REF 1 1 1 1 003 43T02301 ASM P SIDE R 1 1 1 1 004 43T02302 ASM P SIDE L 1 1 1 1 005 43T07313 ASM SUP FLAP 1 1 1 1 006 43707314 SUP SHAFT 1 1 1 1 007 43707315 HINGE GRILLE 4 4 4 4 008 43T07316 HOOK GRILLE 4 4 4 4 009 43T08420 LED BASE 1 1 1 1 010 43T08421 PANEL LED 1 1 1 1 011 43T09493 SUCTION GRILLE 2 2 2 2 012 43T00638 ASM COAT P UP 1 1 1 1 013 43T00641 ASM COAT P UD 1 1 1 1 014 43T11326 ASM FORM UP 1 1 1 1
93. etween receiving unit and indoor unit Communication interruption Duplicated indoor unit No Address Setup error Duplicated header units of remote controller Communication error between Application control kit and indoor unit P C board Automatic address start error Wire connection error between indoor units indoor power supply OFF Miswiring or wire connection error between indoor unit and outdoor unit Communication interruption between indoor and outdoor units Communication receiving error between indoor and outdoor units decrease of No of connected indoor units Communication sending error between indoor and outdoor units No indoor unit during setting of automatic address No of connected indoor units capacity over Error of No of center unit Disagreement of refrigerant pipe communication during setting of automatic address Communication sending error between outdoor units Duplicated setting of follower unit address Communication receiving error between outdoor units decrease of No of connected outdoor units Follower unit error IPDU communication error Indoor overflow error Indoor fan error Outdoor unit liquid back detection error Outdoor unit discharge temp TD1 error Outdoor unit high pressure switch operation Outdoor unit open phase error was detected negative phase error was detected Outdoor unit heat sink over
94. f 4 way valve Check for coil defect in 4 way valve and loose connection of its connector Check resistance characteristics of TS1 and TE1 sensors Check output voltage characteristics of Pd and Ps pressure sensors Check for wiring error involving TE1 and TL sensors P20 P20 VF Activation of high pressure protection stop Pd sensor detects pressure equal to or greater than 3 6 MPa Check for defect in Pd pressure sensor Check service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for defect in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging SVM 13085 indb 81 a4 12 2443 10 56 AM FILE NO SVM 13085 SVM 13085 indb 82 Check code i Location i Main Outdoor 7 segme
95. f PMV is exposed cutting the butyl rubber with the cutter etc 7 Loosen the nuts fixing PMV with double spanner to remove PMV NOTE For attachment and detachment of PMV use a 19 mm spanner wrench PMV motor tightening torque 14 N m 8 The screw of the fixing plate is removed and the fixing plate is removed 24 x 10 2 pcs 9 The PMV lead is detached from the partition plate 2 Attachment 1 Mount PMV motor with a spanner wrench 2 Covers with the butyl rubber of the main body of PMV as before 3 Fasten the parts as before in order the fixing plate the partition plate of evaporator Drain pan Under panel 07 SVM 13085 indb 97 12 24 13 10 56 SVM 13085 indb 98 1 Detachment 1 Recover the refrigerant gas and then remove the refrigerant pipe of the indoor unit 2 Perform works of 1 of 9 Pull out sensor wires from the holder 3 The screw that is the fixing of the piping support is removed and the piping support is removed 04 x 10 2 pcs 4 The screw of the partition plate is removed while holding the heat exchanger the partition plate is removed Q4 x 10 4 pcs 5 The screw of the heat exchanger on the partition plate and the other side is removed while holding the heat exchanger and the heat exchanger is removed 2 Attachment 1 Attach as before in heat exchanger sensor piping support drain under panel order 2 Connect the refrig
96. fter finish of control The direction of the louver becomes horizontal direction 25 Recovery operation is usually performed every 2 hours 12 2443 10 56 AM Recovery control for heating refrigerant Outline of specifications The indoor unit which is under STOP Thermo OFF status or which operates in FAN mode performs the following controls when it received the heating refrigerant Oil recovery signal from the outdoor unit 1 Opens PMV of the indoor unit with a constant opening degree 2 Detects temperature of TC2 and then closes 3 Counts No of recovery controls and operates the indoor fan and the drain pump for approx 1 minute after finish of recovery control until the control count reaches the specified count The direction of the louver becomes horizontal direction FILE NO SVM 13085 Remarks The indoor unit which is under thermo OFF COOL status or which operates in FAN mode stops the indoor fan and displays READY e Recovery operation is usually performed every 1 hour Compensation control for short intermittent operation For 5 minutes after start of operation the opera tion is forcedly continued even if the unit enters in thermo OFF condition However the thermostat is OFF giving prior to COOL HEAT selection READY amp for operation and protective control Drain pump control 3X Option Drain pump operates while in cooling operati
97. g installation error or detachment of outdoor discharge temperature sensor has been detected Duplicated outdoor refrigerant line address Identical refrigerant line address has been assigned to outdoor units belonging to different refrigerant piping systems Number of priority indoor units check code L05 LO6 depending on individual unit L06 SVM 13085 indb 59 Duplicated priority indoor unit as displayed on priority indoor unit More than one indoor unit has been set up as priority indoor unit Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit 59 More than one indoor unit has been set up as priority indoor unit 12 2443 10 56 AM Check code Display of receiving unit Outdoor 7 segment display TCC LINK central control Indicator light block FILE NO SVM 13085 Typical fault site Description of error or main remote i i Sub code Operation Timer Ready Flash display L08 _ 108 SIM Indoor group address not Address setting has not been performed for or more indoor units also detected at indoor end T3 Outdoor unit capacity has not been set after P C L10 L10 SIM Outdoor capacity not set bo rd 117
98. he hibernating refrigerant in H16 H16 orine othier compressor sensor changes only in the specified range for a given time or longer SMMS i VF Oil level All stop No temperature Check for disconnection of TK1 sensor 4 series detection change is detected Check resistance characteristics of 01 TK1 oil circuit error by TK1 despite TK1 sensor circuit error compressor 1 having Check for connection error involving 02 2 been started TK1 TK2 TK4 and TK5 sensors circuit error Check for faulty operation in SV3E or 03 TK3 oil S ASP VAS n circuit error Check for clogging equalizing circuit capillary and faulty operation in Ue TK4 oil check valve circuit error Check for refrigerant entrapment inside 05 5 oil compressor circuit error No temperature Check for disconnection of TK2 sensor change is detected Check resistance characteristics of by TK2 despite TK2 sensor compressor 2 having Check for connection error involving been started TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature Check for disconnection of TK3 sensor change is detected Check resistance characteristics of by TK3 despite TK3 sensor compressor 3 having Check for connection error involving been started TK1 TK2 TK3 TK4 and T
99. heat error Heat radiation error of electric part IGBT in outdoor unit Gas leak was detected Short of refrigerant charge amount Outdoor unit discharge temp TD2 error Outdoor unit 4 way valve inverse error High pressure protection error Outdoor unit DC fan error Outdoor unit G Tr short circuit error Compressor position detection circuit error Other indoor unit stopped due to error in the group 64 12 2443 10 56 AM SVM 13085 indb Lamp indication Operation Timer Ready Timer vi O 1 Operation Ready Alternate flash Timer 1 Operation Ready Operation Timer Ready Flash Timer Operation Ready 1 Simultaneous flash Timer Operation Ready 7 Simultaneous flash Operation Timer Ready Ee Simultaneous flash 65 Check code FILE NO SVM 13085 Cause of trouble occurrence Heat exchanger sensor error Heat exchanger sensor TC2 error D Heat exchanger sensor TGs eror Temp sensor error in indoor unit Room temp sensor TA error Discharge temp sensor TD1 error Discharge temp sensor TD2 error Heat exchanger sensor TE1 error Liquid temp sensor TL error Outdoor unit temp sensor error Outside temp sensor TO error Suction temp sensor TS1 error Heat sink sensor TH error Misconnection of heat exchanger sensor TE with
100. ial in which impurities adhere inside of pipe or joint to a minimum 1 Copper pipe lt Piping gt The pipe thickness flare finishing size flare nut and others differ according to a refrigerant type When using a long copper pipe for R410A 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 nut 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 installation of the air conditioner However clear impurities when using them 13 SVM 13085 indb 13 12 24 13 10 56 5 13085 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 The table below shows the tools exclusive for R410A and their interchangeability Tools exclusive for
101. ighly concentrated refrigerant may cause an oxygen deficiency accident Do not install the air conditioner in a location that may be subject to a risk of expire to a combustible gas Installation If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install the indoor unit at least 2 5 m above the floor level since otherwise the users may injure themselves or receive electric shocks if they poke their fingers or other objects into the indoor unit while the air conditioner is running Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the agent Do not place any combustion appliance in a place where it is directly exposed to the wind of air conditioner otherwise it may cause imperfect combustion Explanations given to user If you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit breaker to the OFF position and contact a qualified service person to have the repairs done Do not set the circuit breaker to the ON position until the repairs are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shoc
102. ing to working at heights with the air conditioners made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work 12 2443 10 56 AM FILE NO 5 13085 Definition of Protective Gear When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn Protective gloves All types of work Safety working clothing Gloves to provide protection for electricians Electrical related work Insulating shoes Clothing to provide protection from electric shock Work done at heights 50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after understanding the described items thoroughl
103. ion 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 recovering device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused o After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires Assembly If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is Cabling caused at user s side After the work has finished be sure to use an insulation tester set 500V Megger to check the resistance is 1MQ or more between the charge section and the non charge metal section Earth position Insulator If the resistance value is low a disaster such as a leak or electric shock is caused at user s side check When the refrigerant gas leaks during work execute ventilation If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because a o shortage of oxygen occurs Be sure to execute ventilation
104. ircuit To connect the electrical wires repair the electrical parts or undertake other electrical jobs wear gloves to provide protection for electricians insulating shoes and clothing to provide protection from electric shocks Failure to wear this protective gear may result in electric shocks Before opening the intake grille set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in injury through contact with the rotation parts Only a qualified installer or qualified service person is allowed to remove the intake grille and do the work required Use wiring that meets the specifications in the Installation Manual and the stipulations in the local regulations and laws Use of wiring which does not meet the specifications may give rise to electric shocks electrical leakage smoking and or a fire Only a qualified installer 1 or qualified service person 1 is allowed to undertake work at heights using o a stand of 50 cm or more or to remove the electrical control box cover of the indoor unit to undertake work When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladders instructions General Also wear a helmet for use in industry as protective gear to undertake the work Before working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and o
105. k for defect in indoor P C board Check for defect in outdoor P C board I F VF Indoor outdoor All stop Signal cannot be transmitted Check outdoor termination communication from outdoor to indoor units resistance setting SW30 circuit error for 30 seconds continuously Bit 2 E07 detected at Check connection of outdoor end indoor outdoor communication circuit 67 12 24 13 10 56 FILE NO SVM 13085 SVM 13085 indb 68 Check code Location Main Outdoor 7 segment display of Description System status Error detection Check items locations remote heck detect condition s controller Sheek Sub code etection Duplicated Indoor Duplicated stop More than one indoor unit is Check indoor addresses indoor address unit indoor address assigned same address Check for any change E E VF made to remote controller 08 08 connection group individual since indoor address setting Remote Duplicated Stop of In two remote controller Check remote controller controller master remote corresponding configuration including settings controller unit wireless both controllers are Check remote controller E09 set up as master Header P C boards indoor unit is shut down with alarm while follower indoor units continue operating Communication Indoor Indoor Stop Displayed when error is 1 Check connector indoor error between unit Application detected
106. ks injury water leakage noise and or vibration may result When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 1 Refer to the Definition of Qualified Installer or Qualified Service Person 10 SVM 13085 indb 10 12 2443 10 56 AM FILE NO SVM 13085 Declaration of Conformity Manufacturer TOSHIBA CARRIER THAILAND CO LTD 144 9 Moo 5 Bangkadi Industrial Park Tivanon Road Amphur Muang Pathumthani 12000 Thailand Authorized Nick Ball Representative TCF holder Toshiba EMEA Engineering Director Toshiba Carrier UK Ltd Porsham Close Belliver Industrial Estate PLYMOUTH Devon PL6 7DB United Kingdom Hereby declares that the machinery described below Generic Denomination Air Conditioner Model type MMC AP0157HP E MMC AP0157HP TR MMC AP0187HP E MMC AP0187HP TR MMC AP0247HP E MMC AP0247HP TR MMC AP0277HP E MMC AP0277HP TR MMC AP0367HP E MMC AP0367HP TR MMC AP0487HP E MMC AP0487HP TR MMC AP0567HP E MMC AP0567HP TR Commercial name Super Modular Multi System Air Conditioner Super Heat Recovery Multi System Air Conditioner MiNi Super Modular Multi System Air Conditioner MiNi SMMS series
107. l be very hot to the touch In addition before proceeding with the repair o work wear the kind of insulated heat resistant gloves designed to protect electricians Cooling check When the service panel of the outdoor unit is to be opened in order for the fan motor reactor inverter or the areas around these parts to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the fan motor reactor inverter heat sink and other parts will be very hot to the touch In addition before proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect electricians SVM 13085 indb 9 12 2443 10 56 AM FILE NO SVM 13085 Only a qualified installer or service person is allowed to do installation work Inappropriate installation may result in water leakage electric shock or fire Before starting to install the air conditioner read carefully through the Installation Manual and follow its instructions to install the air conditioner If the unit is installed in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the air conditioner when you implement the measures Accumulation of h
108. lecting control 0010 In heat collecting control 0001 In cool collecting control Pressure release 5 Discharge temperature release 5 Terminal unit release U2 U3 U4 outdoor unit 5 Normal In release control 0010 In pressure release control 0001 In discharge temperature release control 0100 In U2 outdoor unit release control 0010 In U3 outdoor unit release control 0001 In U4 outdoor unit release control Horse power of outdoor unit 0016 16HP 1 TF TSA TOA sensors are equipped only with some types of indoor units The data does not appear for other types 2 n the case of group connection only the header indoor unit data can be displayed 8 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No 1 5 U1 outdoor unit Center unit 2 6 U2 outdoor unit terminal unit 1 3 7 outdoor unit terminal unit 2 4 8 U4 outdoor unit terminal unit 3 Only CODE No 5 of U1 outdoor unit Center unit is displayed SVM 13085 indb 53 52 12 24 13 10 56 5 13085 B LED display on P C board 1 D501 Red 0501 goes on at the same time when the power supply is turned on Goes on with operation of the main microprocessor 0501 flashes with 1 second interval every 0 5 second
109. lectric box is moved in the direction of the arrow and the back of the part electric part boxis hung on the edge of the main body 2 Attachment 1 It moves in the direction opposite to time when the electric parts box is removed and the claw part in the interior of the electric part box is inserted in the hanging part of the main body 2 Fix the electric parts box by tightening with screws 24 x 10 2 pcs 1 Detachment 1 Perform works of 1 of 3 2 Remove the indoor outdoor connecting wire and remote controller wire from each terminal block 3 Remove the connectors which connected from the control P C board to other parts NOTE First unlock the housing and then remove the connectors CN501 Louver motor 20P White CNAO Indoor Outdoor communication terminal block 2P Blue CN41 Remote controller terminal block 2P Blue CN67 Power supply terminal block 3P Black CN82 PMV output Blue CN100 TC1 sensor 2 Brown CN101 TC2 sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temperature 2P Yellow CN210 Fan motor 7P White 4 Unlock the card edge spacers 4 positions in the electric parts box to remove the control P C board 90 Electric parts box P C board 4 Terminal block Fixing screws 2 pcs 2 Attachment 1 Attach the electric parts box and then perform wiring as original NOTE Check there is no missing or contact failure o
110. liquid temp sensor TL Miswiring of temp sensor in outdoor unit or miss mounting Miswiring between high pressure sensor Pd and low pressure sensor Ps Misconnection of pressure sensor in outdoor unit Low pressure sensor Ps error Pressure sensor error in outdoor unit High pressure sensor Pd error Indoor unit EEPROM error Compressor break down Compressor lock Outdoor unit compressor system error Current detection circuit error Compressor 1 case thermo operation Low pressure Ps drop error Protections stop of outdoor unit Oil face drop detection error face detection circuit system temp sensor TK1 TK2 TK4 error Compressor 2 chase thermo operation Protective device of outdoor unit operated face detection circuit system error Outdoor unit TK1 TK2 TK3 4 circuit system error Duplicated header units in indoor unit Duplicated priority indoor unit Displayed in the room with priority Duplicated priority indoor unit Displayed in a room except one with priority Group cable was connected to individual indoor unit Indoor group address was unset Indoor capacity was unset Duplicated setting of outdoor line address Outdoor capacity was unset Disagreement error of outdoor unit type COOL HEAT select unit system error Duplicated address of central control system No of connected outdoor units ov
111. n CN71 on the indoor P C board The operation mode differs according to the indoor unit status in that time Normal time Both float SW and fan motor are normal Abnormal time Either one of float SW or fan motor is abnormal 2 Restricted to the normal time if short circuiting DISP pin CN72 on the indoor P C board in addition to short circuit of CHK pin CN71 on the indoor P C board the minimum opening degree 30pls can be set to the indoor PMV only When open DISP pin the maximum opening degree 1500pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes Short circuit of CHK pin Normal time Abnormal time DISP pin open DISP pin short circuit Fan motor H H Stop Indoor PMV Max opening degree 1500pls Min opening degree 30pls Min opening degree 30pls Louver Horizontal Horizontal Immediate stop Drain pump ON ON ON Communication All ignored All ignored All ignored P C board LED Lights Lights Flashes To exchange the indoor PMV coil set the indoor PMV to Max opening degree For the detailed positions of CHK pin CN71 on indoor P C board and DISP pin CN72 on indoor P C board refer to the indoor P C board MCC 1643 c6 SVM 13085 indb 36 12 2443 10 56 AM FILE NO SVM 13085 6 4 Optional Connec
112. n outdoor P C board Indoor Indoor TA Stop of Sensor resistance is infinity Check connection of TA unit sensor error corresponding orzero open short sensor connector and wiring F10 _ unit circuit Check resistance characteristics of TA sensor Check for defect in indoor P C board Indoor Indoor TF Stop of Sensorresistance is infinity Check connection of unit sensor error corresponding orzero open short sensor connector and wiring F11 ER unit circuit Check resistance characteristics of TF sensor Check for defect in indoor P C board VF TS1 sensor All stop Sensor resistance is infinity Check connection of TS1 error or zero open short sensor connector circuit Check resistance E zi characteristics of TS1 sensor Check for defect in outdoor P C board 01 Compressor 1 IPDU TH sensor All stop Sensor resistance is infinity Defect in IGBT built in side error or zero open short temperature sensor F13 02 Compressor 2 circuit Replace A3 IPDU P C side board 03 Compressor 3 side VF Outdoor All stop During compressor Check installation of TE1 and temperature operation in HEAT mode TL sensors sensor wiring TE1 continuously provides Check resistance F15 F15 error TE1 temperature reading characteristics of TE1 and TL TL higher than indicated by TL sensors by at least specified margin Check for outdoor P C board for 3 minutes or more I F error VF Outdoor All stop Re
113. n the connectors 12 2443 10 56 AM SVM 13085 indb 91 FILE NO SVM 13085 No Part name Procedure Remarks Quantity of fan _ Model Installation 015 018 Fan motor both sides AP024 027 One of shafts are bearings AP036 056 4 The shaft middle part is supported in the bearing 1 Front side screw 1 Detachment NOTE It explains the following content by AP036 to 056 type 1 Perform works of 1 of D 1 of 2 and 1 of 3 2 Remove connectors for fan motor wiring from control P C board CN210 Motor power supply 7P White 3 Remove the support plate 024 to AP056 type only 24 x 10 1 pc The screw on a front side is removed and it detaches it from the square hole on the back side 4 The hanging claw on both sides of fan case under is removed 5 The fixing screw 2 pcs on both sides of fancase is removed 6 Fan case under is pulled out from the partition plate and fan case under is removed 7 The bolt 2 pcs that is the fixing of the bearing is removed and the bearing is removed from the main body 88 x 15 2 pcs 8 The screw with the hexagonal screw hole to of the coupling is loosened x and the shaft is removed with the fan Groove of the fan 9 The screw with the hexagonal screw hole of the fan is loosened and the fan is detached from the shaft 2 Attachment 1 The fan is installed in the shaft so that th
114. ng 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 A j v to select Item code 01 to 04 5 To confirm the alarm in the other group push zone and 4 JU GROUP to select the group number Do not push button because all the alarm histories of the currently selected group are deleted 6 To finish the service check push button Unit No display 63 Alarm display 12 2443 10 56 AM FILE NO SVM 13085 B indoor unit display part Receiving unit Wireless type When specifying the check code check 7 segment display on the center unit For the check code which is not displayed on the outdoor 7 segment confirm it in Section 8 2 How to Check Check code display list Indoor unit Lamp indication Operation Timer Ready No indication at all Operation Flash Operation Operation Operation AUS 1 Timer Timer Timer Alternate flash Timer Ready o y AN Alternate flash SVM 13085 indb 64 Check code Goes off Goes on Xx Flash 0 5 second Cause of trouble occurrence Power supply OFF or miswiring between receiving unit and indoor unit Receiving error Receiving unit Miswiring or wire connection error Sending error g b
115. nges to cooling operation Description in the parentheses shows an example of cooling ON OFF 9 Cooling 11 5 Tsc Cooling ON Of Tsh Cooling OFF 1 5 I 9 Heating When 1 5 lowers against Tsc 10 minutes and after thermo OFF cooling operation Thermo OFF exchanges to heating operation For the automatic capacity control after judgment of cooling heating see Item 4 For temperature correction of room temp control in automatic heating see Item 3 22 Tsc Setup temp in cooling operation Tsh Setup temp in heating operation temp correction of room temp control 12 2443 10 56 AM SVM 13085 indb 23 Air speed selection Outline of specifications 1 Operation with HH H L or AUTO mode is carried out by the command from the remote controller 2 When the air speed mode AUTO is selected the air speed varies by the difference between Ta and Ts COOL 12 5 12 0 11 5 1 0 0 5 Tsc 0 5 lt gt Indicate automatic cooling Controlling operation in case when thermo of remote controller works is same as a case when thermo of the body works If the air speed has been changed once it is not changed for 3 minutes However when the air volume is exchanged the air speed changes When cooling operation has started select a down ward slope for the air speed that is the high position If the temperature is jus
116. normal high pressure resulted in burst or injury Only a qualified installer 1 or qualified service person 1 is allowed to relocate the air conditioner It is dangerous for the air conditioner to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result Check the following items after reinstallation o 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is stable Check after If check is not executed a fire an electric shock or an injury is caused reinstallation When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the air conditioner has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the compressor pipes and other parts wil
117. nt display of Description System status Error detection Check items locations remote Check condition s controller ede Sub code detection SMMS Series 1 PDU Outdoor fan stop Sub code 08 Check the fan motor 08 Out of step IPDU error FAN IPDU position detection Check the connector IDC circuit connection for fan motor activation Position detection is not Sneck ne error of IPDU OE Sync error performed properly trol x stop Sub code 0A Check the fan motor ati FAN IPDU overcurrent Check the error of IPDU rotation s b d for f protection circuit oard tor tan exceeded 04 Rotation Overcurrent was detected difference error when the fan started running 0D Lock or during operation 0C Fan lock All stop Sub code 0E Check the fan motor FAN IPDU position detection Check the connector circuit an for n moer iti NES eck the error o Position detection is not board for fari performed properly stop Sub code OF Check the fan motor FAN IPDU position detection Check the connector circuit cun for motor m inn d eck the error o Position detection is not board for fan performed properly All stop Sub code 06 Check the fan motor External factors such as Check the error of IPDU P22 P22 blast board for fan Position detection is not performed properly Restarted in 6 seconds All stop Sub code 04 Check the fan motor External factors such as Check the error of IPDU blast boar
118. oard for 04 Fan IPDU defect error 05 A3 IPDU1 Fan IPDU error 06 A3 IPDU2 Fan IPDU error 07 All IPDU error or Communication error between IPDU and I F circuit board or Outdoor I F circuit board error L29 L29 SMMS i Series 4 A3 IPDU Fan 3 IPDU ojo ojo Symbol O signifies site of IPDU error S 12 2443 10 56 AM FILE NO SVM 13085 Check code Main Outdoor 7 segment display remote controller Check code Sub code Location of detection Description System status Error detection condition s Check items locations 130 Detected indoor address L30 Indoor unit External interlock of indoor unit Stop of corresponding unit Signal is present at external error input terminal CN80 for 1 minute When external device is connected to CN80 4 connector 1 Check for defect in external device 2 Check for defect in indoor P C board When external device is not connected to CN80 4 connector 3 When input the signal to Application control kit TCB PCUC1E CN4 for 1 minute 1 Check for defect in indoor P C board L31 z Extended IC error Continued operation There is part failure in P C board I F Check outdoor P C board I F Discharge temperature TD1 error stop Discharge temperature TD1 exceeds 115 C
119. of the remote controller is utilized Method 1 Push e buttons simultaneously for 4 seconds or more to change the mode to service monitor mode 2 Push button to set the CODE No to FF 3 The display of A part in the following figure is counted as 11175 1004 0007 gt 000 S DDD with 5 seconds interval When ZOOO appear the error was cleared However counting from 4475 is repeated on the display screen TEST 4 When pushing gt button the status becomes normal CODE No rr 5 rin rr 7 3 I bON OFF SAVE VENT SWING FIX UNIT LOUVER Cr 9 Operation procedure 1 2 3 4 Returns to normal status How to clear error of indoor unit The error of indoor unit is cleared by 20 97 button of the remote controller Only error of the indoor unit connected with remote controller to be operated is cleared 49 SVM 13085 indb 49 12 2443 10 56 AM FILE SVM 13085 B Monitoring function of remote controller switch When using the remote controller Model Name RBC AMT32E the following monitoring function can be utilized Calling of display Contents The temperature of each sensor of the remote controller indoor unit and outdoor unit and the operating status can be checked by calling the service monitor mode from
120. on including DRY operation During operation of the drain pump if the float Switch operates the drain pump continuously operates and a check code is illuminated During stop status of the drain pump if the float switch operates the thermostat is forcedly off and this control operates the drain pump After continuous operation of the float switch for approx 5 minutes this control stops the operation and a check code is issued Attached Drain pumpkit TCB DP31CE Check Code P10 Elimination of retained heat When the unit stopped from HEAT operation the indoor fan operates with L for approx 30 seconds HA control ON OFF operation is available by input of HA signal from the remote site when connected to remote controller or the remote ON OFF interface HA control outputs ON OFF status to HA terminal The I O specifications of HA conform to JEMA standard When using HA terminal CN61 for the remote ON OFF a connector sold sepa rately is necessary In case of group operation use the connector to connect HA terminal to either header or follower indoor unit SVM 13085 indb 26 Display of filter sign Not provided to the wireless type The filter sign is displayed with LCD by sending the filter reset signal to the remote controller when the specified time 2500H elapsed as a result of integration of the operation time of the indoor fan The integrated timer is cleared when the filter
121. on the Air Conditioner Unit Confirmation of warning label on the main unit Confirm that labels are indicated on the specified positions If removing the label during parts replace stick it as the original Warning indication WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing Description WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing WARNING Moving parts Do not operate unit with grille removed Stop the unit before the servicing CAUTION High temperature parts You might get burned when removing this panel CAUTION High temperature parts You might get burned when removing this panel CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION Do not touch the aluminium fins of the unit Doing so may result in injury CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION BURST HAZARD Open the service valves before the operation otherwise there might be the burst CAUTION Do not climb onto the fan guard Doing so may result in injury SVM 13085 indb 5 CAUTION Do not climb onto the fan guard Doing so may result in injury 12 2443 10 56 AM
122. onditions are satisfied Reset conditions 1 TC1 12 C and TC2 12 C and TCJ 12 C 2 20 minutes passed after stop P1 10 C 5 10 C Q1 0 C 14 C In all cooling operation the air conditioner operates as described below based upon temp detected by TC2 and TCJ sensors When M zone is detected for 45 minutes the thermostat is forcedly off 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 12 C and TC2 12 C and TCJ 12 C 2 20 minutes passed after stop C TCATCJ Q2 P2 5 C Q2 2 C FI LE NO SVM 13085 Remarks TC1 Temperature of indoor heat exchanger sensor value When the turned on power supply is the Forced thermo becomes OFF if the temperature is less than this indicated temperature Recovery control for cooling oil Refrigerant SVM 13085 indb 25 The indoor unit which is under STOP Thermo OFF status or which operates in FAN mode performs the following controls when it received the cooling oil Refrigerant recovery signal from the outdoor unit 1 Opens PMV of the indoor unit with a constant opening degree 2 Operates the indoor fan and drain pump for approx 1 minute during recovery control and a
123. oor automatic address setting is started Communicator while automatic address setting for indoor units is in progress E15 E15 e e o aie unit not ee Indoor unit fails to communicate while automatic setting address setting for indoor units is in progress Combined capacity of indoor units is too large 00 Overloading Too many indoor units E16 01 Number of units connected E16 e e o connected overloading han 1952 ol eomBined E19 00 No header unit 19 e o Error in number of outdoor There is no or more than one outdoor header unit 02 Two or more header units header units in one refrigerant line 01 Connection of outdoor unit from Connection to other CH E20 other refrigerant line E20 refrigerant line found anor oiner a Ine 1 gt cetected 02 Connection of indoor unit from e e o during automatic address iud 9 other refrigerant line setting prog i Outdoor outdoor E23 E23 e o communication Signal cannot be transmitted to other outdoor units transmission error E25 E25 Duplicated follower There is duplication in outdoor addresses set outdoor address manually Follower outdoor unit initially communicating E26 Address of outdoor unit from which E26 Dropping out of outdoor normally fails to do so reduction in number of signal is not received normally unit follower outdoor units connected Outdoor header unit detects fault relating to E28 Detected outdoor unit No E28
124. oplno 4NIT 091 lt 1 13419994 opoo 429u5 40418 s15 1 p 100pul 1oopul 151 ejdsip 49949 eiqey Buiwojo u Aejdsip 0 e1ouleJ ssejaJIM Jo PUN Joopul 499U2 e eiqe1 Buiwojo eui u 100pino jo ejdsiq 01 499u2 qe1 6uiwojo eui ur YNIT OO_L X 1 uo ejds q JOJOY MNIT 22 L 40 1 JOOPU 499U2 pexoeuo eq uonisod Buiwol o eu ui sjuejuoo xoeuo eui s19819p YORE ey epoo YORE Jo 1511 swous 941 No eq UMOUS SI uonounj sisouBeip jjes SIU Aq 1euomnipuoo y JO uonisod 10 eui eBpn eui peunooo ueuM snjeis uonejedo ejdsip 01 si uo yed ejdsip JO yed ejdsip 001 y OY uo pue 041009 19j o1u09 UO 49949 MOH 72 8 56 12 24 13 10 56
125. or 06 Maximum rotation exceeded 08 Out of step OA Idc activation OC Fan lock Od Lock OE Sync error OF Control error SMMS i Series 4 0 IGBT circuit Position detection circuit error Motor lockup error Motor current detection TH sensor error TH sensor error Inverter DC voltage error outdoor fan Note Although letters 0 to F appear at locations indicated by s please ignore them Outdoor fan IPDU error Outdoor fan IPDU detects error 01 Compressor 1 02 Compressor 2 03 Compressor 3 Activation of G Tr IGBT short circuit protection Short circuit protection for compressor motor driver circuit components is activated momentary overcurrent 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor position detection circuit error Compressor motor position detection error is detected Note The above check codes are examples only and different check codes may be displayed depending on the outdoor unit configuration e g a Super heat recovery multi system For details see the service manual for the outdoor unit SVM 13085 indb 61 61 12 2443 10 56 AM 8 3 Troubleshooting by check Display on Remote Controller B In case of wired remote controller RBC AMTS2E Procedure 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 th
126. ostat is turned off SVM 13085 indb 24 Prevention of cold air discharge In heating operation the higher temperature of TC2 sensor and TCJ sensor is compared with temperature of TC1 sensor and then the lower temperature is used to set the upper limit of the fan tap When B zone has continued for 6 minutes the operation shifts to C zone n defrost time the control point is set to 6 2 30 28 26 20 16 24 A zone OFF B zone Over 26 below 28 ULTRA LOW LL C zone Over 28 below 30 LOW L D zone Over 30 below 32 MED E zone HIGH HH TCJ Temperature of indoor heat exchanger sensor In D and E zones priority is given to remote control ler air speed setup n A zone is displayed 12 2443 10 56 AM Freeze prevention control Low temp release Outline of specifications In all cooling operation the air conditioner operates as described below based upon temp detected by TC1 TC2 and TCJ sensors When zone is detected for 5 minutes the thermostat is forcedly off In K 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 becoming thermo OFF continuing J zone operation of the indoor fan in LOW mode continues until it reaches the 7 zone It is reset when the following c
127. oting procedure When a trouble occurred advance the check operation in the following procedure E28 error Check the check display on the interface P C board Check the check display of the corresponding follower unit Check position Trouble on the interface P C board or part in which of the header unit Oih ranor a 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 55 SVM 13085 indb 55 12 24 13 10 56 FILE NO SVM 13085 se YONS slu luo2 eq Aejdsip epoo y 930N Jepeeu jo 80 20 60 03 peyesedo eq 1ewoj oj 1044 YUN JOOPU e pejoejep sew Ue OQ JOOPU Jo 9901 1ueuno 19 Q 1043 2 1oopul youms yeo 4 SEM Joopu ON pejoejeg 1 sem ueo OV 100pul Jo 4043 UB OV Joopu 08NO jeuje1xe 1ndui Aq peddois jeuuouqe uieis S JOOPU
128. ount 15kg Room Room B Room Room D Room E F 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 Important 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 Outdoor unit Refrigerant piping is ssh Xe Es 7 ZZ 7 Indoor unit 77 3 If an indoor unit is installed in each partitioned room and the refrigerant piping 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 Refrigerant piping Outdoor unit Indoor unit N Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high oH below the density limit of 0 3 kg m countermeasures not needed Range above the
129. output the louver is automatically set to full closed position When PRE HEAT Heating ready is displayed Heating operation started or defrost operation is performed heating thermo is off the louver is automatically set to horizontal discharge position Repeats 28 FILE NO 5 13085 Remarks 12 2443 10 56 AM Item DC motor Outline of specifications 1 DC motor operates according to the command from the indoor controller Note If the fan rotates by entry of outside air etc while the air conditioner stopped the indoor unit may operate as the fan motor stops Note If the fan lock was detected the operation of the indoor unit stops and the error is displayed FILE NO SVM 13085 Remarks Check code P12 SVM 13085 indb 29 Save operation 1 The function Save operation is not provided to the Super Modular Multi series models 29 f pushing SAVE button on the remote controller No function is displayed 12 2443 10 56 AM 5 13085 6 CONFIGURATION OF CONTROL CIRCUIT 6 1 Indoor Unit 6 1 1 Indoor Controoler Block Diagram 1 Connection of wired remote controller Wired Simple header remote controller Up to 2 units Schedule timer Display LCD Display LED Function setup Power EEPROM circuit Key switch Remote controller Power Secondary communication circuit circuit battery
130. output board Red LED LD1 Fault with the external light on the external input input output board output board flashes Replace on and off E Red LED LD1 Fault with the internal of external input output board MCC 1643 board blinks Replace Check the operating status 85 SVM 13085 indb 85 12 2443 10 56 AM P12 error connection error or CN210 of indoor unit P C board Does the turned by hand resistance value of the indoor P C board correct YES Is F01 of the indoor P C board open Is R04 or R05 board open YES FILE NO SVM 13085 Repair the connector disconnection on the connector Disconnect the connector CN210 to the indoor P C board NO connection Replace the indoor fan turn smoothly when on the motor side of the NO fan motor Replace the indoor fan motor connector CN210 Model name for the indoor fan motor fan motor ICF 340WD94 1 CF 340WD94 2 ICF 340WD139 1 Checking procedure Measure the resistance of the following terminals with the tester Internal motor circuit is damaged if the measured value is out of the range in below table Ex 1654321 6 3 2 Color Blue Yell
131. ow White Black Red The measurement may vary Measure by connecting the com side to 4 Black while measuring Measurement place Resistance value a b c Between 4 Black 1 Red IH Between 4 Black 5 White 35k 65 Ill Between 4 Black Yellow 130k 170 IV Between 4 Black 7 Blue Action if the measurement is out of the range If any measurement in the above table is between 0 to several 100 replace the indoor P C board together with the motor since the indoor P C board is damaged YES Replace the indoor P C YES board MCC 1643 Replace the indoor P C of the indoor P C board MCC 1643 Check the indoor P C board MCC 1643 SVM 13085 indb 86 86 If faulty Replace 12 2443 10 56 AM FILE NO SVM 13085 Sensor charateristics Indoor unit Y Temperature sensor characteristics Indoor TA sensor 30 Resistance ko Temperature Resistance 0 33 9 26 1 10 20 3 15 9 20 10 20 30 40 50 60 Temperature Indoor TC1 sensor 200 20 150 15 Resistance kO Resistance kO 10 or below 10 or above WORM 10 50 30 20 10 0 10 20 30 40 50
132. power supply Line address 1 2 2 Indoor unit address 1 1 2 Using timer time buttons Group address 1 Fone unt 5 1 Push C O buttons simultaneously for 4 seconds or more 2 Line address Using the temperature setup Cv C45 buttons set c to the CODE No set the line address SET 4 Push button OK when display goes on 5 Indoor unit address For the above example perform setting by connecting singly the Using the temperature setup C GO wired remote controller without remote controller inter unit cable buttons set J to the CODE No Group address Individual 0000 6 Using timer time G 4 buttons Follower unit 0002 In case of group contro set 1 to the line address Z Push C5 button OK when display goes on 8 Group address Using the temperature setup W C45 buttons set to the CODE No 9 Using timer time v buttons set 2200 to Individual 277 to Master unit and 2222 to sub unit 10 Push amp O button 2 5 8 OK when display goes on 3 6 9 11 Push button END 11 4 7 10 Setup completes The status returns to the usual stop status 1 Operation procedure 1 2 23 4 5 6 7 8 9 710 711 END Note 1 When setting the line address from the remote controller do not use Address 29 and 30 As they are addresses which cannot be
133. put voltage of Pd sensor is zero Sensor open circuited Pd gt 4 15 MPa despite compressor having been turned off Check connection of Pd sensor connector Check for defect in Pd sensor Check for defect in outdoor P C board I F F29 Indoor unit Other indoor error Stop of corresponding unit Indoor P C board does not operate normally Check for defect in indoor P C board faulty EEPROM F31 F31 VF Outdoor EEPROM error stop 1 Outdoor P C board I F does not operate normally Check power supply voltage Check power supply noise Check for defect in outdoor P C board H01 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H01 IPDU Compressor breakdown stop Inverter current detection circuit detects overcurrent and shuts system down Check power supply voltage 380 415V 10 Check for defect in compressor Check for possible cause of abnormal overloading Check for defect in outdoor P C board A3 IPDU H02 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H02 IPDU Compressor error lockup MG CTT error All stop Overcurrent is detected Several seconds after startup of inverter compressor Check for defect in compressor Check power supply voltage 380 415 10 Check compressor system wiring particularly for open phase Check connection of connecto
134. r several seconds The displayed unit No indicate line address and indoor unit address When other indoor units are connected to the identical remote controller Group control unit other unit numbers are also displayed every UNIT LOUVER pushing e left side button button 2 1 Operation FAN SAVE VENT FILTER RESET TEST SWING FIX UNIT LOUVER Operation procedure 1 2 END 2 To know the position of indoor unit by address To confirm the unit No in the group control Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are successively displayed and fan louver and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation nnne 1 VENT TEST 7 Push c and buttons simultaneously for 4 seconds or more Mme e Unit No ALL is displayed Wires Fans and louvers of all the indoor units in the 1 SS group control operate TER 56 CS E 2 Every pushing e o left side button button the unit numbers in the group control are successively displayed 3g _______ 2 The unit No displayed at the first time indicates the header unit address Operation procedure Fan and louver of the selected indoor unit only operate 1 2 3 END 3 Push e button
135. r suction temperature sensor TS1 error Outdoor suction temperature sensor TS1 has been open short circuited 01 Compressor 1 F13 02 Compressor 2 03 Compressor 3 Outdoor IGBT built in temperature sensor TH error Open circuit or short circuit of the outdoor IGBT built in temperature sensor TH was detected Outdoor temperature sensor TE1 TL wiring error Wiring error in outdoor temperature sensors TE1 TL has been detected Outdoor pressure sensor Pd Ps wiring error Wiring error in outdoor pressure sensors Pd Ps has been detected Outdoor discharge temperature sensor TD3 error Outdoor discharge temperature sensor TD3 has been open short circuited Low pressure sensor Ps error Output voltage of low pressure sensor Ps is zero High pressure sensor Pd error Output voltage of high pressure sensor Pd is zero or provides abnormal readings when compressors have been turned off Outdoor EEPROM error Outdoor EEPROM is faulty alarm and shutdown for header unit and continued operation for follower unit Compressor 1 Compressor 2 Compressor 3 Compressor breakdown Overcurrent of the inverter current Idc detection circuit was detected Compressor 1 Compressor 2 Compressor 3 Compressor error Lock Compressor lock was detected Compressor 1 Compressor 2 Compressor 3 Current detection circuit error Curr
136. rature sensor TH Detected indoor Indoor Indoor overflow error All stop Float switch Check float switch connector address unit operates Check operation of drain Float switch circuit pump P10 P10 is open circuited Check drain pump circuit or disconnected at Check drain pipe for clogging connector Check for defect in indoor P C board Indoor Indoor fan motor error Stop of Motor speed Check connection of fan unit corresponding measurements connector and wiring unit continuously Check for defect in fan motor P12 _ E deviate from target Check for defect in indoor value P C board Overcurrent Check impact of outside air protection is treatment OA activated Check static pressure setting SVM 13085 indb 79 _ 79 MG CTT Magnet contactor 12 24 13 10 56 AM FILE NO SVM 13085 Check code Main Outdoor 7 segment display remote controller Check code Sub code Location of detection Description System status Error detection condition s Check items locations P13 P13 VF Outdoor liquid backflow detection error stop During cooling operation When system is in cooling operation high pressure is detected in follower unit that has been turned off During heating operation When system is in heating operation outdoor PMV 1 or 2 continuously registers opening of 100p or less while under SH control Check full close operation of outdoor PMV
137. rd value SVM 13085 indb 60 60 MG CTT Magnet contactor 12 2443 10 56 AM Errors detected by IPDU featuring in SMMS standard outdoor unit typical examples Check code Display of receiving unit Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display Indicator light block Typical fault site Operation Timer Ready Flash FILE NO SVM 13085 Description of error Compressor 1 Compressor 2 Compressor 3 F13 Error in temperature sensor built into indoor IGBT TH Temperature sensor built into indoor IGBT TH has been open short circuited Compressor 1 Compressor 2 Compressor 3 Compressor breakdown Inverter current Idc detection circuit detects overcurrent Compressor 1 Compressor 2 Compressor 3 Compressor error lockup Compressor lockup is detected Compressor 1 Compressor 2 Compressor 3 Current detection circuit error Abnormal current is detected while inverter compressor is turned off Compressor 1 Compressor 2 Compressor 3 Sw Activation of high pressure High pressure SW is activated Heat sink overheating error Temperature sensor built into IGBT TH detects overheating High pressure protection activation High pressure Pd sensor detected a value over the criteria SMMS Series 1 04 Rotation difference err
138. rs terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant entrapment inside compressor Check for defect in outdoor P C board A3 IPDU Check outdoor MG CTT H03 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side H03 IPDU Current detection circuit error All stop Current flow of at least specified magnitude is detected despite inverter compressor having been shut turned off Check current detection circuit wiring Check defect in outdoor P C board A3 IPDU H05 H05 VF TD1 sensor miswiring incomplete insertion All stop Discharge temperature of compressor 1 TD1 does not increase despite compressor being in operation Check installation of TD1 sensor Check connection of TD1 sensor connector and wiring Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F 06 H06 Activation of low pressure protection All stop Low pressure Ps sensor detects operating pressure lower than 0 02 MPa Check service valves to confirm full opening both gas and liquid sides Check outdoor PMVs for clogging PMV1 2 Check for defect in SV2 or SV4 circuits Check for defect in low pressure Ps sensor Check indoor filter for clogging Check valve opening status of indoor PMV Check refrigerant piping for clogging Check operation
139. ry to perform the applied control at the local site are described Filter display delay timer 0000 0002 0004 Description 0001 150H 0003 5000H None 2500H 10000H FILE NO SVM 13085 At shipment 0002 2500H Dirty state of filter 0000 High degree of dirt Half of standard time 0001 Standard 0000 Standard Central control address 0001 No 1 unit to 0099 0064 No 64 unit Unfixed 0099 Unfixed Specific indoor unit priority 0000 No priority 0001 Priority 0000 No priority Heating temp shift 0000 0002 No shift 2 C 0001 1 C 0010 10 C Up to 6 recommended 0002 2 C Floor type 0000 0 C Existence of AUTO mode 0000 0001 Provided Not provided Automatic selection from connected outdoor unit 0001 Not provided Cooling only 0000 0001 Heat pump Cooling only No display of AUTO HEAT 0000 Heat pump Type 0007 Ceiling Depending on model type Indoor unit capacity 0000 Unfixed 0001 to 0034 According to capacity type Line address 0001 No 1 unit 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit 0064 No 64 unit 0099 Unfixed Group address 0000 0002 Individual Follower unit of group 0001 Header unit of group 0099 Unfixed Louver type Air direction adjustment 0000 0002
140. t on the difference boundary the air speed does not change lt gt C 70 5 1 0 0 Tsh 40 5 41 0 41 0 42 0 41 5 43 0 42 0 44 0 lt gt Indicate automatic heating Body thermostat works Remote controller thermostat works Value in the parentheses indicates one when thermostat of the remote controller works Value without parentheses indicates one when thermo stat of the body works If the air speed has been changed once it is not changed for 1 minute However when the air speed exchanged the air speed changes When heating operation has started select an upward slope for the air speed that is the high position f the temperature is just on the difference boundary the air speed does not change 23 FILE SVM 13085 Remarks HH gt gt gt gt gt 32 0000 thermo Main unit 0001 Remote controller thermo 12 2443 10 56 AM Air speed selection Continued Outline of specifications CODE No 5d Standard Type 1 FILE NO SVM 13085 Remarks Selection of high ceiling type CODE No bd or selection of high ceiling on P C board SW501 Type 3 0000 0001 0003 SW501 1 2 OFF OFF ON OFF OFF ON Tap COOL HEAT COOL HEAT COOL HEAT 3 In heating operation the mode changes to LL if therm
141. t out 2710602 102 SVM 13085 indb 102 12 24 13 10 56 AM FILE NO SVM 13085 Table 1 Setting data CODE No table example Setting data Factory set value Filter sign lighting time Depending on Type Filter pollution level 0000 standard Central control address 0099 Not determined 0002 2 flooring installation type 0 Heating suction temperature shift Cooling only 0000 Heat pump Type Depending on model type Indoor unit capacity Depending on capacity type System address 0099 Not determined Indoor unit address 0099 Not determined Group address 0099 Not determined Louver type wind direction adjustment Depending on Type Temperature range of cooling heating automatic SW control point 0003 3 deg Ts 1 5 Power failure automatic recovery 0000 None Thermo output SW T10 3 0000 Thermo ON Ventilation fan standalone 0000 Not available Sensor SW Selection of static pressure 0000 Body sensor High ceiling SW 0000 Standard Timer setting wired remote controller 0000 Available Demand setting 2750 outdoor unit current demand Remote controller operation save function 0001 Enable Presence of Application control kit 0000 None Table 3 Table 2 Type CODE No 10 Indoor unit capacity CODE No 11 0001 1 4 way Cass
142. tch in the following procedure Use the wired remote controller switch during stop of the system TEST Push concurrently c buttons for 4 seconds or more Using the setup temp or GO button specify the CODE No Using the timer time or button set 27 to the setup data SET Push button TEST Push 5 button The status returns to the usual stop status OQ RG NH 3 Wiring Relay procured locally SE CN61 T10 YEL 2 2 373 In the figure the contact indicates 4 4 a status that the card is taken out 5 5 6 6 i 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 E Power peak cut from indoor unit When the relay is turned on a forced thermo OFF operation starts Application control kit TCB PCUC1E is necessary Please refer to the manual of Application control kit for a detailed setting 43 SVM 13085 indb 43 12 24 13 10 56 5 13085 B Address setup Manual setting from remote controller In case that addresses of the indoor units will be determined prior to piping work after cabling work Example of 2 lines cabling Real line Cabling Broken line Refrigerant pipe Set an indoor unit per a remote controller Turn on
143. tected when power is turned on 01 Compressor 1 P05 att nverter DC voltage Vdc Inverter DC voltage is too high overvoltage or too 02 Compressor 2 error low undervoltage 03 Compressor 3 MG CTT error 01 Compressor 1 Heat sink overheating Temperature sensor built into IGBT TH detects P07 02 Compressor 2 P07 T overheating 03 Compressor 3 Indoor unit has been shutdown in one refrigerant P10 Indoor unit No detected P10 Indoor unit overflow line due to detection of overflow detected by indoor unit Outdoor liquid backflow State of refrigerant cycle circuit indicates liquid ey PIS e Ar detection error backflow operation 01 TS condition Outdoor suction temperature sensor TS1 detects P15 m P15 Gas leak detection sustained and repeated high temperatures that 02 TD condition exceed standard value _ Outdoor discharge TD2 Outdoor discharge temperature sensor TD2 P17 P17 ALT iemperature error detects abnormally high temperature E Outdoor discharge Outdoor discharge temperature sensor p 19 dx T temperature error detects abnormally high temperature 4 way valve reversing Abnormality in refrigerating cycle is detected P19 Outdoor unit No detected P19 during heating operation P20 P20 Activation of high pressure High pressure Pd sensor detects high pressure protection that exceeds standa
144. ter backup setting for Check No of indoor units outdoor unit failure is connected performed perform No Check for defect in outdoor E16 E16 overloading detected P C board I F setting lt No overloading detected setting method gt Turn on SWO9 Bit 2 on I F P C board of outdoor header unit More than 48 indoor units are connected 68 12 24 13 10 56 FILE NO 5 13085 Check code Main Outdoor 7 segment display remote controller Check code Sub code Location of detection Description System status Error detection condition s Check items locations E18 Indoor unit Error in communication between indoor header and follower units Stop of corresponding unit Periodic communication between indoor header and follower units cannot be maintained Check remote controller wiring Check indoor power supply wiring Check P C boards of indoor units E19 E19 00 No header unit 02 Two or more header units VF Error in number of outdoor header units stop There is more than one outdoor header unit in one line There is no outdoor header unit in one line Outdoor header unit is outdoor unit to which indoor outdoortie cable U1 U2 is connected Check connection of indoor outdoor communication line Check for defect in outdoor P C board E20 E20 01 Connection of outdoor unit from other line
145. the airtight test The charge hose must be connected in such a way that it is not slack 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 Once the repair work has been completed check for refrigerant leaks and check the insulation resistance and water drainage Then perform a trial run to check that the air conditioner is running properly After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker Check after repair After repair work installation of front panel and cabinet has finished execute a test 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 matters before test run after repairing piping Connect the pipes surely and there is no leak of refrigerant The valve is opened Do not Running the compressor under condition that the valve closes causes an abnormal high operate the pressure resulted in damage of the parts of the compressor and etc and moreover if there is unit with the leak of refrigerant at connecting section of pipes the air is suctioned and causes further valve closed ab
146. the fan of the selected indoor unit turns on 2 Every pushing 1 2 left side button button the indoor unit numbers in group control are displayed successively In this time the fan of the selected indoor unit only turns on 3 Using the setup temp or button specify the CODE No 31 4 Using the timer time 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 Unavailable At shipment Available D Push C5 button OK if display goes on To change the selected indoor unit go to the procedure 2 To change the item to be set up go to the procedure 3 6 Pushing e returns the status to the usual stop status 2 Wiring Relay DC12V procured locally Corresponds to the relay up Compact 4 way Cassette type to one that the rated current 4 way Cassette type of the operation coil is approx 75 1 way Cassette type 2 series Concealed Duct Standard type CN32 1H Outside control Slim Duct type FAN DRIVE input of fan Ceiling type 1212 High Wall type To terminal 9 Corresponds up to a relay in which rated current of Indoor control the 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 P C board and the r
147. the remote controller Procedure 1 Push buttons simultaneously for 4 seconds or more to call up the service monitor mode The service monitor goes on and firstly the temperature of the CODE is displayed 2 Push S button to change CODE No to the CODE No to be monitored For display code refer to the following table UNIT LOUVER 3 Push e left side button button to change 2 to item to be monitored Go Ce SET CL SWING FIX UNIT LOUVER The sensor temperature of indoor unit or CE e outdoor unit in its refrigerant line and the operating status are monitored Operation gt 4 e button to return the status to the 1 2 gt 3 m 4 normal display FILTER RESET TEST d 3 Returns to normal display 50 SVM 13085 indb 50 12 24 13 10 56 FILE NO SVM 13085 Target outdoor unit SMMS SHRM Mini SMMS Series 1 2 CODE No Data Format Remote controller display example Indoor unit data 00 Room temperature in control 1 x1 01 Room temperature Remote controller x1 02 Air Temperature TA x1 03 Coil Temperature TCJ x1 04 Coil Temperature TC2 x1 05 Coil Temperature TC1 x1 0024 24 08 PMV x1 0050 500 pls System unit data 0A Number of connected indoor units x
148. ther objects may fall from above possibly injuring a person below While carrying out the work wear a helmet for protection from falling objects Before opening the intake grille of the indoor unit or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer or qualified service person is allowed to remove the intake grille of the indoor unit or service panel of the outdoor unit and do the work required Do not touch the aluminum fin of the unit You may injure yourself if you do so If the fin must be touched for some reason first put on protective gloves and safety work clothing and then proceed Use forklift to carry in the air conditioner units and use winch or hoist at installation of them When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing When transporting the air conditioner do not take hold of the bands around the packing carton You may injure yourself if the bands should break When transporting the air conditioner wear shoes with protective toe caps protective gloves and other protective clothing This air conditioner has passed the pressure test as specified in IEC 60335 2 40 Annex EE Before troubleshooting or repair work check the earth
149. tion for electricians insulating shoes clothing to provide protection from electric shock and insulating tools Be careful not to touch the live part Electric shock may result Only Qualified service person is allowed to do this work Before operating the air conditioner after having completed the work check that the electrical parts box cover of the indoor unit and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or front panel of Outdoor Unit inevitably to determine the failure put a sign Do not enter around the site before the work Failure to do this may result in third person getting electric shock Prohibition Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake When checking the electric parts removing the cover of the electric parts box of Indoor Unit and or front panel of Outdoor Unit inevitably to determine the failure put a sign Do not enter around the site before the work Failure to do this may result in third person getting electric shock Stay on protection If in the course of carrying
150. tions Outline of specifications 1 Distinction of outdoor unit When the power supply is reset the outdoors are distinguished and the control is selected according to the distinguished result Setting of indoor fan speed and existence of air direction adjustment Based on EEPROM data select setting of the indoor fan speed and the existence of air direction adjustment If resetting the power supply during occurrence of a trouble the check code is once cleared After ON OFF button of the remote controller was pushed and the operation was resumed if the abnormal status continues the check code is again displayed on the remote controller FILE NO SVM 13085 Remarks Operation mode selection Based on the operation mode selecting command from the remote controller the operation mode is selected Remote controller command STOP FAN Fan operation COOL DRY Dry operation Control outline Air conditioner stops Cooling operation HEAT Heating operation AUTO SHRM only Ta and Ts automatically select COOL HEAT operation mode for operation The operation is performed as shown in the following figure according to Ta value at the first time only In the range of Ts 1 lt Ta lt Ts 1 Cooling thermo OFF Fan Setup air volume operation continues Cooling LL thermo ON 1 0 __ Cooling thermo OFF at the first time only she 777 Heating HJ thermo ON In the
151. to finish the procedure All the indoor units in the group control stop SVM 13085 indb 45 12 24 13 10 56 FILE SVM 13085 B How to check all the unit No from an arbitrary wired remote controller Procedure Carry out this procedure during stop of system The indoor unit No and the position in the identical refrigerant piping can be checked An outdoor unit is selected the identical refrigerant piping and the indoor unit No are displayed one after the other and then its fan and louver are on 1 Push the timer time button e simultaneously for 4 seconds or more First line 1 and CODE No AL Address Change are displayed Select outdoor unit UNIT LOUVER SWING FIX 2 Select line address using button Determine the selected line address using 2 button The address of the indoor unit connected to the refrigerant piping of the selected outdoor unit is dis played and the fan and the louver are on 4 Every pushing e D left side button button the indoor unit No in the identical piping is displayed one after the other Only fan and louver of the selected indoor unit start operation To select the other line address 5 Push button and the operation returns to Procedure 2 The indoor address of other line can be continuously checked TEST 6 Push 5 button and then the procedure finishes TIME SAVE VENT mam RESET
152. tor Specifications of Indoor P C Board AO v 319n9d 89 uoneorddy p lo uuoo UOISSILUSUEIJ LeSNO uondo AG 2 L AO UO pue si ANO pue 1 ui NO pue AO Je UOZUOY H Jo SWOPE JOOPU pesn si siu HAND YH NO 1indino 10 99 09 u do 1ndino 9 AcLOG VH JO NO uonejedo 10 99 09 u do 1ndino v L9NO VH indui peuuoped si dois uonejedo jo uomiqiuodg uorssiuuegd indui p liqiuoid AO uonoejes 1ndui 5 M04984 jueuudius 1v 5 10 Ndu J3O NO VH 440 NO 1000 lt 0000 12 4 129 00 u do 1ndino 2 uo si eui uo Aq ejBurs eu ZENO jndino dois Aq 440 Aq NO JO 3ueuudius ye Buas L ON
153. trol interface TCB IFCB 4E2 Input IFCB 4E2 No voltage ON OFF serial signal Output No voltage contact for operation error display Contact capacity Below Max AC240V 0 5A Indoor control P C board Remote location ON OFF control box TCB IFCB 4E2 ON OFF serial signal input COM Operation signal output Error signal output Power supply 220 240 50Hz SVM 13085 indb 41 12 24 13 10 56 FILE SVM 13085 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 n a group control if the wired remote controller is set up to the header unit both header and follower units are simultaneously operable L TEST 1 Push concurrently 5 c buttons for 4 seconds or more The unit No displayed firstly indicates the header indoor unit address in the group control In this time
154. ty indoor indoor unit have and outdoor unit unit as been set up as displayed on priority indoor unit 106 106 indoor unit other than priority indoor unit Indoor Connection of Stop of There is at least one Check indoor addresses unit group control corresponding stand alone indoor 107 cable to stand unit unit to which group alone indoor control cable is unit connected Indoor Indoor group Stop of Address setting has Check indoor addresses unit addresses not corresponding not been performed Note 08 08 E set unit for indoor units This code is displayed when power is turned on for the first time after installation Indoor Indoor Stop of Capacity setting has Set indoor capacity DN 11 109 5 unit capacity not corresponding not been performed set unit for indoor unit SVM 13085 indb 76 76 12 2443 10 56 AM FILE NO SVM 13085 SVM 13085 indb 77 Check code Location i Main Outdoor 7 segment display of Description System status Error detection Check items locations remote 3 condition s controller Check Sub code detection VF Outdoor All stop Jumper wire provided on P C Check model setting of P C L10 L10 board for servicing I F P C board for servicing outdoor board has not been removed I F P C board asrequired for given model T
155. unit 521 Application control control kit Application control kit kit and indoor unit communication CN1 error 2 Check connection of E11 indoor Application control kit communication line 3 Check indoor P C board 4 Check Application control kit P C board 01 VF Automatic stop Indoor automatic address Perform automatic address Indoor outdoor address starting setting is started while setting again after communication error automatic address setting disconnecting 02 for equipment in other communication cable to Outdooroutdoor refrigerant line is in thatrefrigerantline E12 E12 communication progress Outdoor automatic address setting is started while automatic address setting for indoor units is in progress VF Indoor unit not All stop Indoor unit cannot be Check connection of found during detected after indoor indoor outdoor automatic automatic address setting is communication line address setting started Check for error in indoor power supply system Es p Check for noise from other devices Check for power failure Check for defect in indoor P C board 00 VF Too many stop Combined capacity of Check capacities of indoor Overloading indoor units indoor units exceeds 135 units connected 01 connected 96 of combined capacity of Check combined HP No of units outdoor units capacities of indoor units connected Note Check HP capacity If this code comes up settings of outdoor units af
156. vel vial 12 Metal saw Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 Insulation resistance tester Megger 2 Thermometer 4 Electroscope 14 SVM 13085 indb 14 12 2443 10 56 AM FILE NO SVM 13085 1 CONSTRUCTION VIEWS EXTERNAL VIEWS 1 1 Indoor Uni 10sues ss J JIAA 26 lou 1noxoouy Ajeye1edes uod ur Bunje ESE pod Buidid 6 Id ul Burye e qeo Ajddns amod ur Bunje ejqeo MMC AP0157HP 187 V Buwes pue 5 eoeds Ajesuozuou peuonisod eq oj epis 1u044 pod uono uuoo 33 JO did uleq ae 092 052 BL A S 5 V Sec pod 096 epis seo Le pod Buroeuuoo edid epis pinbr1
157. wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework After completing the repair or relocation work check that the ground wires are connected properly Check earth wires Connect earth wire Grounding work Incomplete grounding causes an electric shock Do not connect ground wires to gas pipes water pipes and lightning rods or ground wires for telephone wires Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Prohibition of modification When any of the electrical parts are to be replaced ensure that the replacement parts satisfy the specifications given in the Service Manual or use the parts contained on the parts list in the Service Manual Use specified Use of any parts which do not satisfy the required specifications may give rise to electric shocks smoking parts and or a fire If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cover of one or more of the indoor units and the service panel of the outdoor i unit removed in order to find out exactly where the trouble lies place Keep out signs around Do not bring the work site before proceeding a child close to Third party individuals may enter the work
158. y 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 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 m3 lt 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 e g amount 10kg charged am
159. y 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 A repair 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 N CAUTION repair 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 Indication Explanation Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents SVM 13085 indb 4 12 2443 10 56 AM FILE NO SVM 13085 Warning Indications
160. zing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor VF sensor All stop Air discharge Check installation of TD3 sensor miswiring temperature TD3 Check connection of TD3 sensor incomplete does not increase connector and wiring H25 H25 insertion despite compressor Check resistance characteristics of 3 being in operation TD3 sensor Check for defect in outdoor P C board I F Indoor Outdoor unit Onlythetarget An error was found Check the model name of the outdoor unit model unit stopped on the outdoor unit unit 02 102 mismatch model Check the miswiring of the error communication line between indoor and outdoor Indoor Duplicated Stop of There is more than Check indoor addresses unit indoor header corresponding one header unit in Check for any change made to remote 103 E ES unit unit group controller connection group individual since indoor address setting VF Duplicated stop There is duplication Check line addresses outdoor line in line address address setting for outdoor L04 L04 units belonging to different refrigerant piping systems VF Duplicated All stop More than one Check display on priority indoor unit priority indoor indoor unit has been unit as Set up as priority 105 7 displayed indoor unit priority indoor unit No of priority VF Duplicated All stop More than one Check displays on priority indoor unit indoor units priori

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