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1. Installation example Installation example of all fresh air intake indoor unit system of intermingled system Outdoor unit E E E Outdoor unit a Inside of ceiling 4 Y c Xx Y 7X Y X P Y Xx Fresh air intake Fresh air intake indooqunit indoor unit z gt P m x X 4 Y X Kk X Y Xx 1 Indoor air conditioner Indoor air conditioner gt Y 4 Y yx gum x All fresh air intake indoor unit system Intermingled system with indoor air conditioner 10 B System able to be combined Super Module Multi System S MMS Cooling only and Heat pump series Super heat recovery multi and Mini SMMS cannot be connected B Range of combination The total capacity of the indoor air conditioners and the fresh air intake indoor units is restricted 80 to 10096 against the capacity of the outdoor units Up to two fresh air intake indoor units can be connected on one refrigerant cycle The allowable total capacity of the fresh air intake indoor units shall be 3096 or less against the capacity of the indoor air conditioners including the fresh air intake indoor units The height difference between the fresh air intake indoor units shall be 0 5m or less Example i i NG 80 to 100 against capacity of outdoor unit 2 gt t Connection which
2. Ncc LH 73 In case of TCC LINK central control remote controller TCB SC642TL J ZONE GROUP ii EL DROE LE E ROBO Ero 9 1234 tno dd EST BR Boca F oly kx WES GROUP lt E DORK ovan SI e amp 9 C8 JC v 1 Confirmation and check When a trouble occurred on the air conditioner the check code and the indoor air conditioner No are displayed on the display part of the remote controller The check code is displayed during operation only If the display disappeared follow to Confirmation of error history described below to perform operation and confirmation Unit No display Alarm display UNIT No EN ko UE V D nm m Alternate flashing display C RC No 2 Confirmation of error history When an error generated on the air conditioner the error history can be confirmed in the following proce dure Up to 4 errors history is stored in memory It can be confirmed from operation status or stop status 1 Push E and buttons successively for 4 seconds or more 2 Service check A goes on and then the item code 01 goes on 3 When selecting a group No Flashing the unit No display and the latest alarm history are alternatively displayed if there is alarm history In this time temperature cannot be set up 4 To
3. 59 10 3 Function during Test Operation 60 10 4 Function Selection Setting for Indoor Air Conditioner For setup be sure to use a wired remote controller 62 10 5 Applicable Control of Indoor Air Conditioner ceres 64 11 TROUBLE DIAGNOSES hair ee eed 69 11 1 Summary of trouble diagnoses cceseccceseeeeeesseeeeeeeeeeeeeeseseeeeeeeeeeeeessneeeesseeneeenseeeees 69 11 2 Cheeking Method aie ne ooa Coni id ets 70 11 3 Trouble Diagnoses by Check Display of the Remote Controller 73 11 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface 75 11 5 edet c etie heran ae Fa ee eee eee 86 12 REPLACEMENT FAN ASSEMBLY 87 13 P C BOARD REPLACING 92 14 EXPLODED VIEWS AND PARTS 96 14 1 Fresh Air Intake Indoor Unit for 5 5 444224 4 22 2 96 SAFETY CAUTION The important contents concerned to the safety are described on the product itself and on this Service Manual Pleas
4. High pressure protective operation Pd sensor detected 3 6MPa or more Check Pd pressure sensor error Check full opening of service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers Check air short circuiting in outdoor unit Check clogging of SV2 circuit Check outdoor P C board I F error Check indoor fan system error Cause of air volume decrease Check valve opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of check valve of discharge pipe Check circuit of gas balance SV4 valve Check refrigerant overcharge Check code Main remote controller P22 Outdoor 7 segment display Check code Sub code P22 IGBT shortage Position detection circuit error Motor lock error Motor current error detection TH sensor temp error TH sensor error error Detected position FAN IPDU Check code name Outdoor fan IPDU error Status All stop Error detection condition Sub code 0 Short circuit current was detected at start time Short circuit current was detected when checking IGBT short circuit before start time Check item position Check fan motor Interphase short circuit Check fan IPDU error Sub code 1 The standa
5. XE LOOAY 9 1ndino ueq 70049 OLONO LONO 4 7 5 9012 YOSNIS d OEINO T 1ndino jeuondo S E 0LL vH 4 8 S 050ND SEH Aiddns 17001 ITOH prar ZOON 19 07021 mar 1020 7 12 5 ACH 07 701 O60NO__ 90 40 5 0 0034 apis 1 a 50 0 71 224 49001800 AYME 35 25 uueis s eui INOHd33 jo uoneoiunuJuJoo 10 pesn os y JOOPINE JOOPU ANd 100pinQo 400pu BOND Md AS uoneiedo JeynduJoo0J9 lA AOZ AVL ALLOY ddns apis 1euuojsueJ 19MOd 58 10 2 Indoor P C Board Optional Connector Specifications Function Ventilation output Option output Outside abnormal input Filter option error CHK operation check DISP display mode EXCT demand Connector No Specifications DC12V Output Start Stop input Remarks Setting at shipment Linked operation ON with indoor air conditioner operation OFF with stop Single operation setting by VENT button of remote controller is performed from remote controller DN 31 HA Start Stop input J01 Provided None Pulse At shipment from
6. E y honc I Wy dccus i and outdoor units wire becomes Earth L1 L2 L3 N ui 2 131 4 U5 Ue i AN 1112031 N 01102 u3 U4 US U6 automatically the header unit v L NM x terminal Eu M WE gant ME bos NE EER 20 p Control wiring between outdoor units Control wiring between indoor and outdoor units d Control wiring between indoor units Indoor unit aT ae Indoor power supply i 220 240V 50Hz 4 220V 60Hz Earth leakage breaker power switch Pull box Pull box Pull box Address setup Set up the addresses according to the Installation Manual attached to the outdoor unit 96 9 APPLICABLE CONTROLS NOTIFICATION When using the equipment at the first time it will take a lot of time that the remote controller accepts an operation after power was on However it is not a trouble Automatic address While automatic addressing the operation cannot be performed on the remote controller For automatic addressing Max 10 minutes generally approx 5 minutes are required When power will be turned on after finish of automatic addressing It will require Max 10 minutes generally approx 3 minutes that outdoor unit starts operation after power was on As all have been set to Standard at the shipment change the
7. Float Swotch 1 indicates the terminal block Latter at inside indicates the terminal number A dotted line and broken line indicate the wiring at site indicates the control P C board When installing the drain pump connect the froat switch connector to 030 connector position is connected to terminal block when change to static pressure Exchange the lead wire of arrow 2 pisition after the terminal number as figure and lead wire s color of fan motor Terminal block No F1 Low static pressure tap WHI YEL BLU RED G WHITE YELLOW BLUE B BLACK G Fan motor wiring Blue 50 60Hz Color Identification GRAY PINK ORANGE BROWN GREEN amp YELLOW RY NK RN RW amp Y F2 Intermediate static pressure tap Orange 50 60Hz At shipment from factory F3 High static pressure tap Bkack 50 60Hz F4 EP 8 REFRIGERATING CYCLE DIAGRAM 8 1 Fresh Air Intake Indoor Unit for S MMS Liquid side Gas side SA Sensor TF Capillary tube Air heat exchanger at indoor side Pulse Motor Valve PMV Sensor TCJ Fan Sensor TC2 ios Sensor TC1 Fan motor Functional part name Function outline Connector 082 6P Blue 1 Super heat control function in cooling operation Pulse motor valve 2 Under cool control function in hea
8. 13 4 OWNER S MANUAL ss tasa x zin Ga 14 2225 Fa PUES TREU Ra UO 14 PARTS NAME OF REMOTE CONTROLLER nennen erasa anser rra 15 CORREGT USAGE eus Rode cL Ege LEE CA DE E RENE RR RT RU RA REUS Ya BETREUER Ue ERR LEER UR 17 TIMER OPERATION ciini nana E Fu E aou FERE rap DEC ER e LEE FR DE EE 19 5 INSTALLATION inim i iii nin 20 Accessory parts and Parts to be procured locally 20 1 PRECAUTIONS FOR SAFETY na a cedere Een re 20 2 SYSTEM CONTROL OF FRESH AIR INTAKE INDOOR UNIT 22 3 SELECTION OF INSTALLATION PLACE eere 23 4 INSTALLATION OF INDOOR UNIT eere nnn nens nnmnnn nnmnnn 25 5 DUOT VOR iiie co ha vind enn ER educ adu Cu de Lao xo Leo Cc cea cde d 28 6 DRAIN PIPING WORK rra canard x a Exi cron 31 7 REFRIGERANT PIPING i ener o B nad rad dc deuda 32 2 s ca aed ue Lie uec een run 34 9 APPLICABLE
9. Sound pressure level H M L 45 43 41 46 45 44 46 45 44 12 3 SPECIFICATIONS OF ELECTRICAL PARTS 3 1 Fresh Air Intake Indoor Unit for S MMS MMD AP0481HFE MMD AP0721HFE MMD AP0961HFE Fan motor MMD AP0481 HFE STF200 MMD AP0721HFE MMD AP0961HFE 160 4AR Running capacitor for fan motor 400V 6 400V 4 Transformer TA sensor Lead wire length 1200mm Lead wire length 818mm TF sensor Lead wire length 2500mm TC1 sensor 4 size Lead wire length 1200mm Vinyl tube Blue 4 size Lead wire length 2000mm Vinyl tube Blue TC2 sensor 06 size Lead wire length 1200mm Vinyl tube Black 06 size Lead wire length 2000mm Vinyl tube Black TCJ sensor 06 size Lead wire length 1200mm Vinyl tube Red 06 size Lead wire length 2000mm Vinyl tube Red Pulse motor EDM MD12TF 3 Electronic control valve EDM B60YGTF 1 EDM BAOYGTF 1 13 4 OWNER S MANUAL PARTS NAME Fresh air Intake indoor unit MMD AP0481HFE MMD AP0721HFE MMD AP0961HFE Air supply port Air intake port Cools heats the fresh air and Intakes the fresh air sends it into the room with the with the inlet flange air supply flange Air supply sensor It is included in the electric parts box PARTS NAME OF REMOTE CONTROLLER This remote controller can singly operate maximum 8 indoor units However one remote cont
10. Low static pressure tap 100 External static pressure Pa 1500 1700 1900 2100 2300 Air volume m3 h 44 60Hz 220V Motor current for fan A External static pressure Pa 3 5 High static pressure tap 3 0 2 5 Mid static pressure tap 20 Low static pressure tap 350 High static ressure ta 300 E 2 250 200 150 Mid static Low static pressure tap pressure tap 100 50 1500 1700 1900 2100 2300 Air volume m3 h 1 0 FAN CHARACTERISTICS Wire connection change for fan motor The motor wires for the fan have been connected to Fa at shipment from the factory Change the wire connection if change of the external static pressure is required due to the duct resistance lt MMD AP0481HFE gt Electric parts box Control Fan motor PC board terminal block 2P terminal block hi ff Lead wire for changing the external static pressure range at shipment of factory When changing the external static pressure is necessary change connection of this lead wire T lt MMD AP0721HFE gt lt MMD AP0961HFE gt Electric parts box Control Fan motor PC board Fan motor 2P terminal block 4P terminal block hi ff Lead wire for changing the external static pressure range at shipment of factory when changing the external static pressure is
11. Check characteristics of TK1 sensor resistance Check outdoor P C board I F error stop Resistance value of sensor is infinite or zero Open Short Check connection of TK2 sensor connector Check characteristics of TK2 sensor resistance va e Check outdoor board I F error stop Resistance value of sensor is infinite or zero Open Short Check connection of TK3 sensor connector Check characteristics of TK3 sensor resistance val Check outdoor P C board I F error stop Resistance value of sensor is infinite or zero Open Short Check connection of TK4 sensor connector Check characteristics of TK4 sensor resistance value e Check outdoor board I F error Compressor 2 case thermo operation stop Compressor 2 case thermostat operated Check compressor 2 case thermo circuit Connector cable P C board Check full opening of service valve Gas and liquid side Check outdoor PMV clogging 1 2 Check SV42 valve leak Check miscabling misinstallation of SV41 and SV42 Check valve opening of indoor PMV Check refrigerant shortage Check compressor error 01 TK1 oil circuit system error 02 TK2 oil circuit system error 03 oil circuit system error 04 TK4 oil circuit system error MG SW Magnet Switch OCR Over current Relay Oil level detective circuit System error MG SW error
12. 2 It is necessary to set the indoor air conditioner to be replaced and the remote controller to 1 1 Turn on power supply of the indoor air conditioner by any one of the following methods according to the system configuration A Case of single individual operation Turn on power supply of the indoor air conditioner and proceed to B Case of group operation a Power supply of the replaced indoor air conditioner only can be turned on Turn on power supply of the replaced indoor air conditioner and proceed to b Power supplies of the indoor air conditioners cannot be turned on individually CASE 1 i Tentatively remove the group wires connected to terminal boards A and B of the replaced indoor air conditioner ii Connect the remote controller wire only to the removed terminal block turn on power supply of the indoor air conditioner and then proceed to 3 When the above methods are impossible perform CASE 2 below c Power supplies of the indoor air conditioners cannot be turned on individually CASE 2 i Take off all CN41 connectors of the indoor air conditioners in the same group except the indoor air conditioner to be replaced ii Turn on power supply of the indoor air conditioner and then proceed to CASE 2 CASE 2 ndoor air conditioner Indoor air conditioner Air conditioner to be replaced Indoor air conditioner Indoor air conditioner Air conditioner to be replaced P C board Service P C board Take off grou
13. ot E gt stretches over two floors is Up to two fresh air intake units gt E unavailable 30 or less against the capacity of the indoor air conditioners Ts Setting temp 1 1 2 Use Conditions Operation cycle Outside Impr B Use temperature Cooling cycle Te E n Suction temperature Heating cycle COOL 5 to 43 However when suction temp is below 19 the mode becomes FAN mode When the suction temp is below Ts 3 the mode is also FAN mode HEAT 5 to 43 C However when suction temp is over 15 the mode becomes FAN mode When the suction temp is over Ts 3 C the mode is also FAN mode Operable mode and A shipment rom factor discharge temp setup range COOL 18 C 16 to 27 C HEAT 25 C 16 to 27 C Special mentions 1 The fan operation of the fresh air intake indoor unit stops during defrosting 2 When a central controller is used divide zone setup of indoor air conditioner and fresh air intake unit 3 The standard is to control the discharge temperature However the priority is given to the capacity control for the indoor air conditioner in a system in which the normal indoor air conditioner concurrently operated 4 The fresh air intake indoor unit cannot be connected with remote controller group of the indoor air conditioner 5 In heating operation if the
14. 0001 Available Unavailable Fresh air intake indoor unit Undefined 0001 Mixed 62 Mixed 10 5 Applicable Control of Indoor Air Conditioner B Control system using the remote control interface TCB IFCBAE Wiring and Setting n case of a group control the system operates by connecting with any indoor air conditioner Control P C board in the group However when taking out operation error signal from the other air conditioners take out from the single air conditioner 1 Control items 1 Start Stop input Stops operation of air conditioner 2 Operation signal Outputs that normal operation is performed 3 Error signal Outputs during alarm Serial communication error or indoor Outdoor protective device is operating 2 Wiring diagram using the remote control interface TCB IFCBAE Input IFCBAE No voltage ON OFF continuous signal Output No voltage contact For operation error display Contact capacity Up to Maximum AC240V 1A Indoor control P C board ON side Start signal input OFF side Stop signal input COM Operation signal output Error signal output 4 Vv Power supply 220 240V 50Hz 220V 60Hz 64 B Operation of ventilating fan from remote controller Function Total enthalpy heat exchanger and ventilating fan can be mounted in the system and they can be started stopped from a wired remote controller Operation of the ven
15. pressure tap 150 Low static pressure tap External static pressure Pa 100 800 900 1000 1100 Air volume m3 h 1200 1 0 FAN CHARACTERISTICS lt MMD AP0721HFE gt Standard air volume 1680m h Lower limit air volume 1176m h Upper limit air volume 1848m h 50Hz 220V 50Hz 230V 3 0 3 0 High static pressure tap High static pressure tap 2 5 2 5 2 0 2 0 Mid static Low static pressure tap pressure tap Mid static Low static pressure tap pressure tap Motor current for fan A Motor current for fan A 1 5 350 350 300 300 High static pressure tap High static pressure ta 250 0 250 Mid static pressure ta Mid static pressure tap P P 200 200 150 150 Low static pressure tap Low static pressure tap 100 100 External static pressure Pa External static pressure Pa 50 50 1200 1400 1600 1800 1200 1400 1600 1800 Air volume m3 h Air volume m3 h 41 50Hz 240V 3 0 High static pressure tap 2 5 Mid static pressure tap 2 0 Motor current for fan A Low static pressure tap 1 5 350 300 High static pressure tap 250 i Mid static pressure tap 200 150 Low static pressure tap 100 External static pressure Pa 50 1200 1400 1600 1800 Air volume m3 h 42 60Hz 220V Motor current
16. 206 MMD MMD MMD AP0481HFE AP0721HFE AP0961HFE Location No Description 43146707 Motor PMV EDM MD12TF 3 43146723 Body PMV 43146729 Body PMV 4314J373 Evaporator Ass y 4314J374 Evaporator Ass y 43149355 Nut Flare 3 8 IN 43049776 Socket 3 8 IN 43047609 Bonnet 43047688 Nut Flare 1 2 IN 43149332 Socket 43147195 Bonnet 1 2 IN 4314Q053 Strainer DIA 21 4314Q052 Strainer DIA 45 43149352 Nut Flare 5 8 IN 43149354 Socket 5 8 IN 43194029 Bonnet 43147649 Strainer 43107215 Holder Sensor 43019904 Holder Sensor 43149314 Sheet PMV 43140067 Pipe Ass y Liquid 43140066 Pipe Ass Liquid 43147706 Distributor ND e 08 MMD AP0481HFE 402 411 408 412 401 406 407 EEY us Pe 403 410 413 409 i 404 MMD AP0721HFE MMD AP0961HFE 403 ue 411 408 413 409 405 MMD MMD MMD APO481HFE APO721HFE APO961HFE Description 43050425 Sensor Ass y TC F6 43050426 Sensor Ass y TA 43154173 Relay LY2F L AC230V 43160577 Fuse 10A 43060859 Fuse Block 30A 250V 43150320 Sensor Ass y TG F4 43155212 Capacitor 400V
17. 3 Function during Test Operation B Cooling Heating Test Operation Check The test operation for cooling heating operation can be performed from either indoor remote controller or outdoor interface P C board 1 Start Stop operation of test operation Test operation from indoor remote controller DON OFF MODE CB 3 VENT FILTER RESET TEST 1 5 OGC lt Wired remote controller gt Procedure Operation contents When pushing CHECK button for 4 seconds or more TEST is displayed on the display part and the mode enters in Test operation mode Push ON OFF 29 9 1 button Using MODE button select an operation mode COOL or HEAT Do not use other than COOL HEAT mode Temperature cannot be adjusted during test operation Detection of error is performed as usual When test operation finished push ON OFF oes button to stop operation The same display as Procedure 1 is displayed Push CHECK button to release the Test operation mode TEST Gl display on the display part disappears and the status becomes normal stop status NOTE The Test run operation returns to the normal operation after 60 minutes elapsed 60 B Operation Check Function for Indoor Air Conditioner Function at Indoor Air Conditioner Side This function is to check the operation by the indoor ai
18. 8MF 43158204 Transformer TT 13 AC220V 240V 43160575 Terminal Block 2P 20A AC300V 43160576 Terminal Block 4P 20A 4316V343 PC board Ass y MCC 1520 4316V345 PC board Ass y MCC 1404 43160574 Terminal 4P 43155208 Capacitor 500V 4MF 1 1 lt 99 WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxicity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amou
19. C board Outdoor P C board Communication Incorrect setup 4 ways Indoor protection Cycle Communication Outdoor protection Sensor Compressor protection etc Display on wired remote controller Display Classification e A goes on Unused UNIT No Check code Operation lamp Green flash Central control system error Communication system error Each sensor error Failure Compressor protective system error Unused Setup error Other errors Protective device operation 13 MAINTENANCE For maintenance be sure to turn off the main power switch A CAUTION Do not handle the buttons with wet hands otherwise an electric shock may be caused lt Daily maintenance gt Cleaning of air filter 1 it is displayed on the remote controller contact to service on maintenance professional to cleaning the air filter WON OFF 0C 2 Clogging of the air filter decreases cooling FAN MODE CB heating efficiency DANSE VEL 3 i RESET Im After cleaning push BD display disappears 48 6 CONSTRUCTION VIEWS EXTERNAL VIEWS 6 1 Fresh Air Intake Indoor Unit for S MMS Long hole for M10 hanging bolt 1328 Hole dia Width x Length 1288 Hanging bolt pitch 0481 4 O 12 x 40 1262 0721 0961 4 0 12 x 92 Sp
20. CONTROLS O ra rd cae rae ce Und 37 10 FAN CHARACTERISTICS resina Eie al rr ed d ra Reda cae con ect eec e E DR XL 39 11 20 24 enr err a ec ned rra Ca au oe vs ec la OE Ca DEN 46 12 TROUBLESHOOTING 47 13 MAINTENANTCE dad daa 4 48 6 CONSTRUCTION VIEWS EXTERNAL VIEWS 49 6 1 Fresh Air Intake Indoor Unit for 5 6 112 49 7 WIRING DIAGRAM Ec 50 7 1 Fresh Air Intake Indoor Unit for S MMS ccc ccesssesseeeeeeeseeseeeeeeeeeeesseeeeeeeeeensneeeeeeeees 50 8 REFRIGERATING CYCLE 52 8 1 Fresh Air Intake Indoor Unit for 5 6 4 2 2 52 9 CONTROL OUTLINE 53 9 1 Control reete Re Eo rede een iuis 53 10 APPLIED CONTROL FUNCTION INCLUDING CONTROL CIRCUIT CONFIGUTATION 58 10 1 Indoor Print Circuit Board 2 eee nnmnnn ea 58 10 2 Indoor P C Board Optional Connector Specifications
21. EEPROM 10 For parts layout and replacing method see EEPROM Layout diagram in p 94 Replace EEPROM again Set EEPROM to P C board as original Replace P C board for service amp turn on power supply 2 See p 93 Write in the read out EEPROM data 3 See p 94 Reset the power supply In group operation control all the indoor air conditioners connected to the remote controller CASE 3 Before replacement EEPROM is defective and read out of setup contents is unavailable Replace P C board for service amp turn on power supply 2 See p 93 Based upon customers information write the setting data such as high ceiling setting option connection setting in EEPROM 3 See p 94 Reset the power supply In group operation control all the indoor air conditioners connected to the remote controller 92 1 Read out operation of setting contents from EEPROM The other EEPROM contents of which settings were changed at local site than setting at shipment from factory are read out 1 Push C5 buttons concurrently for 4 seconds or more on the remote controller 1 Corresponded to numbers in p 94 Remote controller operation diagram In case of group operation control the firstly displayed unit No is the master indoor air conditioner No In this time the item code DN displays Z The fan of the selected indoor air conditioner operates 2 Every pushing c button the indoor air conditioner No in the group
22. Incomplete grounding causes an electric shock For electric work strictly follow to the Local Regulation in each country and the Installation Manual and use an exclusive circuit Capacity shortage of power circuit or incomplete installation may cause an electric shock or a fire A CAUTION Be sure to install an earth leakage breaker If an earth leakage breaker is not installed an electric shock may be caused REQUIREMENT For power supply wiring strictly conform to the Local Regulation in each country For wiring of power supply of the outdoor units follow to the Installation Manual of each outdoor unit Never connect 220 240V power to the terminal blocks A U1 02 for control wiring Otherwise the system will be failed Perform the electric wiring so that it does not come to contact with the high temperature part of the pipe The coating may melt resulted in an accident After connecting wires to the terminal blocks provide a trap and fix wires with the wire clamp Store the refrigerant piping line and control wiring line in the same line Do not turn on the power of the indoor unit until vacuuming of the refrigerant pipes completes Keep a margin Approx 100mm on a wire to hang down the electric parts box at servicing etc 34 8 ELECTRIC WORK Specifications Power supply cord and communication wires are procured locally For the power supply specifications follow to the table below If capacity i
23. WHI WHI DO 676 ve 112 3 1T2 X314 io 1713 ilY213 4Y5 T6 1127 LELLE XS 096 121347516 T10 Fan drive Option iY2Y3 4Y5Y6 CNO2 BLU BLU BLK BLK YEL Line filter Sub P C board MCC 1520 Fan motor inside wiring diagram 112131475161 cnoi TYAXSXAXEXE WHI TR1 RED WHI Outdoor unit Remote Remote controller controller RED board Motor over heating protection switch WHI 3 F1 Connector RED T10A 250V RED RED WHI RED _ 2 T10A 250V ia 5 RED 6 6 43F1 43F2 43F1 o 3 4 ORN 4 Indoor unit T T OX ORN earth screw YEL 1 RC2 RC1 Power supply 220 240V 50Hz Closed end 220V 60Hz connector 2 2 rom posta panne 1 1 1 i t 1 Eleaf 1 Salo i 0000 0000 HEr 9 9 9 4 HOO 24 2 BLK xia Fan 1 zu iut Symbol Parts name zu zi FM1 FM2 Fan Motor zag zo RC1 RC2 Running Capacitor ES To 0000 0000 TR1 Transformer tatata P WHI afata P WHI i Intake air temp sensor Blow temp sensor TC1 TC2 TCJ Temp sensor 005 007 Fan motor control relay RY002 Drain control relay PMV Pulse Motor Valve F1 F2 Fuse for fan motor 43F1 43F2 Fan motor control relay DP Drin Pump motor Sold separately FS
24. WHI board Motor over heating protection switch Connector WHI RED Fi T10A 250V RED RED 5 6 4 1 43F1 o Indoor unit 3 4 earth screw YEL 1 1 Power supply 2 220 240V 50Hz Closed end 9 220V 60Hz connector mmo 1 i 0000 Haro OOOO za Fan 1 BLU ORN BLK Iu Symbol Parts name 1 E 9 Running Capacitor rio REBHA 4P WHI 2 Transformer 112314 BLU ORN BLK TA Intake air temp sensor Blow temp sensor TC1 TC2 TCJ Temp sensor rv Color Identification G amp Y RYOO5 007 Fan motor control relay RY002 Drain control relay PMV Pulse Motor Valve F1 Fuse for fan motor Fan motor control relay Drin Pump motor Sold separately Float Swotch indicates the terminal block Latter at inside indicates the terminal number A dotted line and broken line indicate the wiring at site indicates the control P C board ak WON lead wire s color of fan motor When installing the drain pump connect the froat switch connector to 030 connector position is connected to terminal block when change to static pressure Exchange the lead wire of arrow 2 pisition after the terminal number as figure and Terminal block No F1 Low static pressure tap RED WHI YEL BLU BLK GRY PNK ORN BRW G amp Y Blue 50 60Hz RED WHITE
25. at the central controller side Lights up 2 Setup contents Display flashes when item which operation is prohibited was changed from remote controller n case of TCC LINK central control Operation from Operation on RBC ATM31E TCC LINK central START STOP Operation Timer Temp Air speed Air direction RBC AMTS1E controller setting selection setting setting setting setting Single Central 1 Central control Central 2 display Central 3 Central 4 O Operation available X Operation unavailable Forthe Fresh air intake indoor unit setting functions for air speed and air direction are not provided cB 10 APPLIED CONTROL FUNCTION INCLUDING CONTROL CIRCUIT CONFIGUTATION 10 1 Indoor Print C lt MCC 1403 gt it Board Ajuo Buipueis 100 J edA pepeouoo 100 4 adA Buipueis 10014 eyesseo Aem enesseo Ly ed 10044 adA uBiH jong pejeeouo ui si njd yous MS 12014 Josues FOL HO indui 1048 1 JO pes ela josuas 221 10419 yndyno ue Josues 21 Josues YL 10X4 23 21 YO OZOND 540 0 la Nyd A ddns 1emod euondo 5 000 ZOIN Nd 18 41 goin 8 0
26. can be executed in the following procedure under condition of thermo OFF of room temperature In order to prevent a serial operation the forced test operation is released after 60 minutes and returns to the usual operation TEMP DON OFF Cv CAD Do not use a forced operation in cases other FAN MODE Cs x SWINGFIX VENT Ca UNIT than test operation because it applies an excessive load to the air conditioner In case of wired remote controller 1 5 Procedure Description FILTER RESET TEST Keep button pushed for 4 seconds or more TEST is displayed on the display part and the selection of mode in the test mode is permitted DON OFF Push button Using button select the operation mode COOL or HEAT Do not run the air conditioner in a mode other than COOL or HEAT The temperature controlling function does not work during test operation The detection of error is performed as usual DON OFF C 2 After the test operation push button to stop the operation Display part is same as procedure 7 Push button to cancel release from the test operation mode TEST disappears on the display part and the status returns to a normal stop status 12 TROUBLESHOOTING When a trouble occurred in the air conditioner the check Go code and the indoor unit No appe
27. ceiling Attach also acoustic absorption material to the inner liner of the duct and the vibration proof rubber to the hanging bolt Hanging bolt Nut Upper side Washer Upper side Thermal insulator Hanging bracket main unit Washer Lower side Nuts Lower side CAUTION Make sure that the unit is hanging level If it is hung horizontally the drain pan may overflow Install the unit within the dimensions indicated below Front view Side view Level vial Level vial Water pouring Install the main unit within 5mm while lowering Install both air inlet and air supply port sides the drain pipe connecting port side slightly within 5mm Using a level vial or vinyl hose check whether the indoor unit is hung horizontally or not 27 5 DUCT WORK A CAUTION Be sure to apply heat insulation to the duct to prevent dewy condition If there is an incomplete duct work the water leakage into the room may happen REQUIREMENT In order to prevent short circuits design the duct work so that the intake and discharge openings are not adjacent to each other If no air filter is installed dust will collect in the heat exchanger which may cause the air conditioner to fail or to leak Local procure Set a filter chamber at air inlet side of the unit For a filter chamber select an air filter with 50 or more by weighing method of dust collection efficiency Be sure to set the duct at
28. exceed the critical level Install the air conditioner securely in a location where the base can sustain the weight adequately Perform the specified installation work to guard against an earthquake If the air conditioner is not installed appropriately accidents may occur due to the falling unit If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas might generate Electrical work must be performed by a qualified electrician in accordance with the Installation Manual Make sure the air conditioner uses an exclusive power supply An insufficient power supply capacity or inappropriate installation may cause fire Use the specified wires for wiring connect the terminals securely fix To prevent external forces applied to the terminals from affecting the terminals Conform to the regulations of the local electric company when wiring the power supply Inappropriate grounding may cause electric shock Do not install the air conditioner in a location subject to a risk of exposure to a combustible gas If a combustible gas leaks and stays around the unit a fire may occur 2 SYSTEM CONTROL OF FRESH AIR INTAKE INDOOR UNIT The fresh air intake i
29. for fan A External static pressure Pa 3 0 High static pressure tap 2 5 Mid static pressure tap 2 0 Low static pressure tap 1 5 350 300 High static pressure tap 250 200 L Mid static pressure tap 150 Low static pressure tap 100 50 1200 1400 1600 1800 Air volume m3 h 1 0 FAN CHARACTERISTICS lt MMD AP0961HFE gt Standard air volume 2100m h Lower limit air volume 1470m h Upper limit air volume 2310m h 50Hz 220V 50Hz 230V 3 5 3 5 High static pressure tap High static pressure tap Mid static pressure tap Mid static pressure tap 3 0 3 0 2 5 2 5 Low static pressure tap Low static pressure tap Motor current for fan A Motor current for fan A 2 0 2 0 350 350 300 300 High static pressure tap High static pressure tap 250 250 200 200 Mid static pressure tap 150 150 Mid static pressure tap Low static pressure tap 100 100 External static pressure Pa External static pressure Pa Low static pressure tap 50 50 1500 1700 1900 2100 2300 1500 1700 1900 2100 2300 Air volume m3 h Air volume m3 h 43 50Hz 240V 3 5 High static pressure tap Mid static pressure tap Motor current for fan A 350 300 High static pressure tap 250 200 Mid static pressure tap 150
30. in temp sensor TH error Indoor address with trouble Indoor overflow error Float switch operated Float switch circuit disconnected or the connector came off Check the float switch connector Check operation of drain pump unit Check the drain pump circuit Check clogging of drain pipe Check indoor P C board error Check code Main remote controller Outdoor 7 segment display Check code Sub code Detected position Check code name Outdoor liquid back detection error Status All stop Error detection condition In cooling While the system is operating in COOL mode a high pressure value was detected in follower unit in which compressor did not operate In heating While the system is operating in HEAT mode outdoor PMV of which opening degree was 100p or less for a certain time Check item position Check full close operation of outdoor PMV 1 2 Check Pd and Ps sensor error Check clogging of SV2 circuit Check clogging of balance pipe Check clogging of SV3B circuit Check outdoor P C board I F error Check capillary clogging of oil return circuit from oil separator Check leakage of check valve of the main discharge pipe 01 TS condition Gas leak detection TS1 condition All stop Suction temp exceeded the judgment standard temp for 10 minutes or more TS error judgment standard temperatur
31. new HFC type refrigerant R410A which does not deplete the ozone layer 1 Safety Caution Concerned to New 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 of the air conditioner with new 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 new refrigerant is high use material thickness of the pipe and tools which are specified for R410A 3 In the installation time use clean pipe materials and work with great attention so that water and others do not mix in because pipes are affected by impurities such as water oxide scales oil etc Use the clean pipes Be sure to brazing with flowing nitrogen gas Never use gas other than nitrogen gas 4 For the earth protection use a vacuum pump for air purge 5 R410A ref
32. only within the specified range Check TK4 sensor coming off Check characteristics of TK4 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR Check code Main remote controller Outdoor 7 segment display Check code Sub code Detected position Indoor Check code name Duplicated indoor center units Status Corresponding unit only stops Error detection condition There are multiple center units in a group Check item position Check indoor address Check the change of remote controller connection Group individual after indoor address setup Duplicated outdoor line address All stop Line address setup is duplicated against the outdoor unit in different refrigerant pipe system Check line address Duplicated indoor units with priority Displayed on indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority No of indoor units with priority Duplicated indoor units with priority Displayed on the unit other than indoor unit with priority All stop Indoor units with priority were duplicated Check display of indoor unit with priority and outdoor unit Indoor Group l
33. outside temperature is below 5 C the operation stops automatically FAN stop To protect the refrigerant cycle 6 In cooling operation if the outside temperature is below 5 C the operation stops automatically FAN stop 11 2 SPECIFICATIONS 2 1 Fresh Air Intake Indoor Unit for S MMS Model Indoor unit AP0481HFE AP0721HFE AP0961HFE Cooling capacity 14 22 4 Heating capacity 8 9 13 9 17 4 Power supply Single phase 230V 220 240V 50Hz 220V 60Hz Running current 1 43 1 66 2 52 2 75 2 73 3 12 Cooling Power consumption 0 28 0 34 0 45 0 55 0 52 0 65 Electrical Power factor 85 93 78 91 83 95 characteristics Running current 1 43 1 66 2 52 2 75 2 73 3 12 Heating Power consumption 0 28 0 34 0 45 0 55 0 52 0 65 Power factor 85 93 78 91 83 95 Zinc hot dipping steel plate 492 Outer Main unit 1392 dimension 1262 Total weight Main unit 144 Heat exchanger Finned tube Fan Centrifugal Centrifugal Centrifugal Fan unit Standard air flow 18 28 35 Motor 160 160 160 160 160 Air filter UFM4D 1E UFM3DE UFM3DE UFH8D 1E UFH7DE UFH7DE Controller Sold separately RBC AMT31E AS21E2 TCB SC642TLE2 TCB CC163TLE2 Gas side 15 9 22 0 22 0 Connecting pipe Liquid side 9 5 12 7 12 7 Drain port VP25
34. power breaker After repair work installation of front panel and cabinet has finished execute a test Check after rerair run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not clamped between metal parts Check after reinstallation 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused N CAUTION Be sure to put on gloves during repair work If not putting on gloves an injury may be caused with the parts etc Put on gloves Heavy gloves such as work gloves When the power was turned on start to work after the equipment has been sufficiently cooled As temperature of the compressor pipes and others became high due to cooling heating operation a burn may be caused Be sure to put on gloves during repair work If not putting on the gloves an injury may be caused with the parts etc Put on gloves Start the work when the equipment has been sufficiently cooled after operation As temperature of the compressor and other pipes became high due to cooling heating operation a burn may be caused Cooling check New Refrigerant R410A This air conditiner adopts a
35. set up automatically manually at installation time are stored Assemble and replace P C board for indoor service as described below After replacement check the indoor air conditioner No or group master follower units to confirm whether setting contents are correct or not and also confirm the cycle by a test run lt Replacement procedure gt CASE 1 Under condition before replacement power supply of the indoor air conditioner is able to turn on and the setting contents can be read out from the wired remote controller Read out of EEPROM data 1 See p 93 Replace P C board for service amp turn on power supply 2 See p 93 2 Write in the read out EEPROM data 3 See p 94 Reset the power supply In group operation control all the indoor air conditioners connected to the remote controller CASE 2 Under condition before replacement power supply of the indoor air conditioner is unable to turn on and the wired remote controller cannot be operated due to trouble of the power supply circuit to the remote controller P C board error Replacement of EEPROM 1C10 For parts layout and replacing method see EEPROM Layout diagram in p 94 Remove EEPROM installed on P C board before replacement and then replace it with EEPROM of PC board for service Replace P C board for service amp turn on power supply 2 See p 93 Read out of EEPROM data 1 See p 93 If read out operation is impossible go to CASE 3 Replace
36. shock may be caused Never connect the earth wire to gas pipe water pipe lightning rod earth wire of telephone and etc When moving the air conditioner for the installation into another place be very careful not to enter any gaseous matter other than the specified refrigerant into the refrigeration cycle If air or any other gas is mixed in the refrigerant the gas pressure in the refrigeration cycle becomes abnormally high and it as a result causes pipe burst and injuries on persons Do not modify this unit by removing any of the safety guards or by by passing any of the safety interlock switches Exposure of unit to water or other moisture before installation may cause a short circuit of electrical parts Do not store it in a wet basement or expose to rain or water After unpacking the unit examine it carefully if there are possible damage Hold the hanging brackets 4 positions and do not apply force to other parts especially the refrigerant pipe or the drain pipe Do not install in a place that might increase the vibration of the unit To avoid personal injury with sharp edges be careful when handling parts Perform installation work properly according to the Installation Manual Inappropriate installation may result in water leakage electric shock or fire When the air conditioner is installed in a small room provide appropriate measures to ensure that the concentration of refrigerant leakage occur in the room does not
37. temperature of the supply air may not be close to the setup temperature according to temperature of the fresh air or the operation condition of the indoor units for air conditioning in one refrigerant cycle REQUIREMENT The fresh air intake indoor unit cannot control the room temperature For control of the room temperature an indoor unit for air conditioning is required separately Use Conditions n COOL mode if temperature of the fresh air is under the setup temp 3 FAN status is automatically made When temperature of the fresh air is under 19 FAN status is also made regardless of the setup temperature In HEAT mode if temperature of the fresh air is over the setup temp 3 C FAN status is automatically made When temperature of the fresh air is over 15 FAN status is also made regardless of the setup temperature Fresh air temp C 10 20 Setting temp COOL mode Automatic COOL operation starts Fresh air temp C 10 20 Setting temp HEAT mode Automatic HEAT operation starts REQUIREMENT In or FAN mode if temperature of the fresh air is under 5 C the operation stops automatically in order to protect the equipment In this case continue the operation by selecting HEAT mode In HEAT mode if temperature of the fresh air is under 5 C the operation stops automatically in order to protect the equipment TIMER OPERATION A type of timer ope
38. the remote controller even if pushing the FAN button it means that a fan is not connected Filter reset button Resets Erases FILTER amp display Unit button SWING FIX UNIT DON OFF CE VENT SWING FIX button 8 No function Operation lamp Lamp is lit during the operation Lamp is off when stopped It flashes when operating a protection device or abnormal occurred WON OFF button When the button is pushed operation starts and it stops by pushing the button again When the operation stops the operation lamp and all displays disappear 10 Operation select button HEAT COOL FAN Selects operation mode 1 1 Set up temperature button Adjusts temperature of the supply air Set required set temperature by pushing DoD CORRECT USAGE When you use the air conditioner for the first time or when you change SET DATA value follow the procedure below From the next time the operation will start as set state by pushing the button Preparation Turn on the main power switch and or the leakage breaker When the power supply is turned on display section is displayed on the remote controller After the power supply is turned on the remote controller does not accept an operation for approx 1 minute but it is not a failure REQUIREMENT While using the air conditioner operate it only with button without turning off the main power switch a
39. use tools and materials of the parts which match with it For the products which use R410A refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 For a fresh air intake indoor unit which uses R410A never use other refrigerant than R410A For a fresh air intake indoor unit which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refrigerat ing cycle and an injury due to breakage may be caused Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of air conditioner characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the air conditioner execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified amount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant ab
40. wiring between indoor air conditioners and CN41 connector to the original status and then turn on power supplies of all the indoor air condition ers Wait for approx 1 minute until operation of the remote controller The item code DN is Z to In the part of the way DN No may skip When you changed data incorrectly and pushed O button you can return data to one before change by pushing button if item code DN is not yet changed SWING FIX VENT Ci 01 09 EEPROM LAYOUT DIAGRAM EEPROM IC10 is attached to IC socket To remove it use tweezers etc To attach it match the direction as shown in the figure When replacing EEPROM be sure not to lead wire of IC P C board MCC 1403 Attach EEPROM so that notched direction of IC socket matches with direction of EEPROM o 2 LII 5 Notched fo EEPROM IC10 socket Notched EEPROM 94 Setting contents note Item code table Example Filter sign lighting time Contents memo At shipment from factory 0002 2500 hours Filter dirty degree 0000 Standard Central control address 0099 Undefined Heating suction temp shift 0000 0 C Existence of automatic cooling heating mode by connected Cooling only 0001 No automatic mode Automatic selection 0000 outdoor uni
41. 961 types respectively AP0481 type has the same configuration as APO721 AP0961 types Remove the electric parts box cover gt 2 Remove lead wires of the fan motor connected to the terminal block inside of the electric parts box One fan motor to AP0481 type two fan motors Remove Faston terminals of to 0721 0961 type are provided which wire color are blue 1 orange 2 Photo AP0961 type black 3 in the fan motor lead wires Cut binding tie Remove the white and blue connectors Status which tie wrap biuding wire removed 87 3 Take off eight M5 screws from the cabinet and then put them on the electric parts box Take off M5 screws 8 positions Remove the cover plate Cover plate Take off the self tapping M4 screws 3 positions 4 Pull out the fan toward you Take off the self tapping M4 screws 3 positions Status which all the fan assembly are pulled out Pull out the fan toward you 88 5 Remove the fan assembly from the air intake unit Fan motor Fan case Fan Motor base Relay terminal block cover there is the relay terminal block inside of it 6 Replacement of fan and fan motor Remove the relay terminal block cover Remove the connector and Faston terminal 89 7 Remove the fan motor assembly from the fan assembly Take off M4 screws 2 positions Zview mmm Z view Tak
42. A Wk Conventional tool used R410A R22 R410A Rigid Clutch type R410A tool used Outer diam of copper pipe 1 0 to 1 5 1 0 to 1 5 Same as left Same as left 1 0 to 1 5 1 0 to 1 5 Same as left Same as left Imperial Wing nut type 6 4 1 5 to 2 0 9 5 1 5 to 2 0 2 0 to 2 5 2 0 to 2 5 Connection of refrigerant pipe Connect all the refrigerant pipes with flare connecting work Since the atmospheric pressure only is sealed as the sealing gas it is not abnormal that Pushu sound is not heard when the flare nut is removed Be sure to use a double spanner for pipe connecting work of the indoor unit 25 A Work using double spanner Refer to the following table for tightening torque Connecting pipe Tightening torque outer dia mm N m 14 t018 18 1 4 to 1 8 kgf m 1 8 kgf m 33 to 42 3 3 to 4 2 kgf m 50 to 62 5 0 to 6 2 kgf m Re tightening torque 42 4 2 kgf m 50 5 0 kgf m 68 to 82 6 8 to 8 2 kgf m 68 6 8 kgf m Airtight test Air purge etc For airtight test air purge addition of refrigerant and gas leak check follow the Installation Manual attached to the outdoor unit REQUIREMENT Be sure to use the tool such as charge hose exclusive to R410A Do not turn on the power until the airtight test and the vacuuming have finished If turning
43. DN Table Indicates items necessary to perform the applicable control at local site Filter sign lighting time Contents None 0001 150H 2500H 0003 5000H 10000H At shipment from factory 0002 2500H Filter dirty degree Standard Heavy dirt Half of standard time Standard Central control address No 1 unit 0064 No 64 unit Undefined Undefined Priority to specific indoor air conditioner No priority 0001 Priority No priority Cooling Heating AUTO mode provided None AUTO Cooling Heating provided No AUTO Cooling Heating Automatic selection by connected outdoor unit No AUTO Cooling Heating Cooling only Heat pump Cooling only No AUTO HEAT display Heat pump Type 1 way Air Discharge Cassette Type 4 way Air Discharge Cassette Type 0037 0016 Fresh air intake indoor unit Indoor air conditioner capacity Undefined 0001 0034 According to capacity type Line address No 1 unit 0028 No 28 unit 0099 Undefined Indoor air conditioner address No 1 unit 0064 No 64 unit 0099 Undefined Group address Single 0001 Group master Group follower Undefined Automatic reset of power failure None 0001 Provided HA terminal T10 selection Normal JEMA Card input shuffling omission Normal HA terminal Fan Single operation Unavailable
44. E25 E25 VF Duplicated outdoor All stop Outdoor addresses manually set up are Note terminal address setup duplicated Do not set up the outdoor address manually E26 E26 No of normally received Decreased number of All stop The signal was not returned for constant from Outdoor is performing backup outdoor units connected outdoor units the outdoor unit which was receiving signal Check the power of outdoor unit Is the power turned on Check connection of inter unit wire or disconnection between outdoor units Check the connector connection for communication on outdoor P C board Check outdoor board I F error No of detected outdoor units Outdoor follower unit All stop Outdoor header unit received error code from Check the check code of outdoor follower unit error outdoor follower unit Convenient functions When pushing SW04 for 1 second or more under condition that E28 is displayed on 7 segment display of outdoor header unit the fan of outdoor unit which stopped abnormally starts rotating If pushing SW04 SW05 simultaneously the fan of normal outdoor unit operates When pushing SWO5 singly the operation of fan is cleared 9A IPDUT error IPDU communication All stop Communication of each IPDU P C board in Check connection of communication connector and 9A IPDU2 error error inverter box interrupted disconnection between IPDU and I F P C board 3A IPDU1 2 errors Check outdoo
45. ERISTICS REQUIREMENT Set a volume damper to the air supply duct and then adjust the air volume so that it is kept in the range of 70 to 110 against the standard air volume lt MMD AP0481HFE gt Standard air volume 1080m h Lower limit air volume 756m h Upper limit air volume 1188m h 50Hz 220V 50Hz 230V 2 0 High static pressure tap High static pressure tap 1 5 1 0 Motor current for fan A Motor current for fan A 0 5 350 350 300 300 High static pressure tap e 250 e 250 2 2 2 200 2 200 a a T Mid static pressure 1 T Mid static pressure ta 8 150 a 8 150 p p g g o Low static pressure tap o Low static pressure tap 5 lt 100 100 50 50 0 0 800 900 1000 1100 1200 800 900 1000 1100 1200 Air volume m3 h Air volume m3 h 39 50Hz 240V 2 0 High static pressure tap 1 5 1 0 Motor current for fan A 0 5 350 300 Mid static pressure tap Low static pressure tap High static pressure tap 250 Mid static pressure tap 200 150 Low static pressure tap External static pressure Pa 100 50 800 900 1000 1100 Air volume m3 h 1200 40 60Hz 220V 2 0 Mid static pressure tap Motor current for fan A 350 300 Low static pressure tap High static pressure tap 250 200 Mid static
46. OCR operation All stop Temperature change of TK1 could not be detected though compressor 1 started the operation Check TK1 sensor coming off Check characteristics of TK1 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check operation error of SV3E valve Check capillary clogging of oil equation circuit and operation error of stop valve Check refrigerant stagnation in compressor Check MG SW or OCR Temperature change of TK2 could not be detected though compressor 2 started the operation Check TK2 sensor coming off Check characteristics of TK2 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check stop valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR Temperature change of TK3 could not be detected though compressor started the operation Check TK3 sensor coming off Check characteristics of TK3 sensor resistance value Check TK1 TK2 TK3 and TK4 misconnection Check SV3E valve operation Check capillary clogging of oil equalization circuit and check valve operation Check refrigerant stagnation in compressor shell Check MG SW or OCR Temperature change of TK4 could not be detected though compressor started the operation or the difference from other TK sensor changed for a constant time
47. Remote controller controller wiring wiring Remote controller Max 3 units a controller inter unit wiring The group connection of the fresh air intake indoor unit with the indoor units for air conditioning is unavailable Be careful that the group connection is available only between normal indoor units or between fresh air intake indoor units Wiring the indoor unit Be sure to connect the wire while matching the terminal numbers Incorrect connection causes a trouble lt MMD AP0481HFE gt lt MMD AP0721HFE AP0961HFE gt U1U2 A B NA N a NU s gp Connecting cable Remote controller wiring Wiring diagram Terminal block for remote controller Terminal block As the remote controller wire has no polarity there is wiring of indoor unit no problem if connections to indoor unit terminal blocks A and are reversed AQ eerie uii QA B 4 B unit Remote controller wire Field supply Wiring between indoor and outdoor units Wiring example Outdoor power supply Outdoor power supply 380V 415V 50Hz 380V 415V 50Hz 380V 60Hz 380V 60Hz ie os Earth leakage 7 Earth leakage breaker breaker i Header outdoor unit An outdoor unit connected with Header outdoor unit control wiring between indoor
48. Set type code and capacity code besides set DN C8 iiri 95 14 EXPLODED VIEWS AND PARTS LIST 14 1 Fresh Air Intake Indoor Unit for S MMS MMD AP0481HFE 227 AP0481HFE OA mi BBT FRIELE Location No Part No Description MMD AP0481HFE 4312C014 Motor Fan STF200 160 4AR 43122109 Case Fan 43020352 Fan 4316V194 Remote Controller SX A1EE 4316V195 Remote Controller SX A11JE2 4316V196 Remote Controller EX W2JE2 43139154 Band Motor Left 43139155 Band Motor Right 43160549 Terminal Block JXO 3B 43158064 Owners Manual 43172200 Pan Ass Drain 96 MMD AP0721HFE MMD AP0961HFE 227 Location 219 TOSHIB OF cas 4 8 Part No 4312C014 Sios B AAA Description Motor Fan STF200 160 4AR MMD AP0721HFE MMD AP0961HFE 43122109 Case Fan 43020352 Fan 4316V194 Remote Controller SX A1EE 4316V195 Remote Controller SX A11JE2 4316V196 Remote Controller EX W2JE2 43139154 Band Motor Left 43139155 Band Motor Right 43160549 Terminal Block JXO 3B 43158064 Owners Manual 43172199 Pan Ass y Drain 97 31 228 223 224 225 s m Trey 216 217 236 237 AP0721HFE APO961HFE i U gt 230 AN j 205
49. TF sensor connector Check characteristics of TF sensor resistance value Check indoor P C board error TS1 sensor error stop Resistance value of sensor is infinite or zero Open Short Check connection of TS1 sensor connector Check characteristics of TS1 sensor resistance value Check outdoor P C board I F error 01 Compressor 1 side 02 Compressor 2 side TH sensor error stop Resistance value of sensor is infinite or zero Open Short IGBT built in temp sensor error Exchange IPDU PC board Outdoor temp sensor miscabling TE1 TL stop During operation of compressor in HEAT mode the TE1 detection temp was higher than that of TL by the specified value continued for 3 minutes or more Check installation of TE1 sensor and TL sensor Check characteristics of TE1 and TL sensor resistance value Check outdoor P C board I F error Outdoor pressure sensor miscabling Pd Ps High pressure Pd sensor and low pressure Ps sensor were exchanged or output voltages of both sensors are zero Check connection of high pressure Pd sensor connector Check connection of low pressure Ps sensor connector Check pressure sensors Pd and Ps error Check outdoor P C board I F error Check compression error of compressor Ps sensor error Output voltage of Ps sensor was zero Misconnection of Ps sensor and Pd sensor connectors Check con
50. TOSHIBA FILE NO A06 016 SERVICE MANUAL FRESH AIR INTAKE INDOOR UNIT for S MMS INDOOR UNIT MMD APO481HFE MMD APO721HFE MMD APO0961HFE OUTDOOR UNIT For Service Manual of S MMS and outdoor unit refer to the Service Manual File No A03 009 A03 010 PRINTED IN JAPAN Jun 2007 ADOPTION OF NEW REFRIGERANT This Fresh Air Intake Indoor Unit for S MMS is a new type which adopts a new refrigerant R410A instead of the conventional refrigerant R22 in order to prevent destruction of the ozone layer Cleaning of the air filter and other parts of the air filter involves dangerous work in high places so be sure to have a service person do it Do not attempt it yourself The cleaning diagram for the air filter is there for the service person and not for the customer CONTENTS SAFETY CAUTION gp 4 1 OUTLINE OF FRESH AIR INTAKE INDOOR UNIT 9 1 1 S MMS System Specifications to Connect Fresh Air Intake Indoor Unit 10 2 SPECIFICAT O N iis 12 2 1 Fresh Air Intake Indoor Unit for 5 65 2 4 0 011 nnns 12 3 SPECIFICATIONS OF ELECTRICAL PARTS 13 3 1 Fresh Air Intake Indoor Unit for 5 65 1 4 14 2 1 1
51. U LL Le La LG RIP AIRE EE Check port 600 x 600 1 Wall 1 Procured locally 1 Air inlet duct Connect the air inlet duct Procured locally to the inlet flange Wrap aluminum tape around connecting part between the air inlet port flange and duct or provide sealer so that air does not leak For the fresh air intake port attach a hood so that fresh air is sucked from lower side And attach wire netting etc to the air inlet of the hood Set the air inlet duct at descending inclination so that water can be drained even if rainwater enters in 2 Air supply duct Connect the air supply duct Procured locally to the Air supply flange Wrap aluminum tape around connecting part of the air supply port flange and duct or apply packing so that air does not leak 30 6 DRAIN PIPING WORK Ay CAUTION Following the Installation Manual perform the drain piping work so that water is properly drained and apply a heat insulating so as not to cause a dewing Inappropriate piping work may result in water leakage in the room and wet of furniture REQUIREMENT The draining method is a natural draining Therefore slope the piping outside of the unit downward at 1 50 to 1 100 and do not put an angle halfway If doing so an abnormal sound may be caused To prevent overflow of drain pipe set a drain trap on its way as shown in the right figure The drain trap
52. U communication error There is no communication of each IPDU P C board in inverter box Outdoor discharge temp sensor TD1 error Open Short of discharge temp sensor TD1 is detected Outdoor discharge temp sensor TD2 error Open Short of discharge temp sensor TD2 is detected Outdoor heat exchanger temp sensor TE1 error Open Short of heat exchanger temp sensor TE1 is detected Outdoor liquid temp sensor TL error Open Short of outdoor liquid temp sensor TL is detected Outdoor air temp sensor TO error Open Short of outdoor air temp sensor TO is detected Outdoor suction temp sensor TS1 error Open Short of outdoor suction temp sensor TS1 is detected Outdoor temp sensor TE TL miswiring Miswiring on temp sensor TE TL is detected Outdoor pressure sensor Pd Ps miswiring Miswiring on outdoor pressure sensor Pd Ps is detected Low voltage Ps sensor error Output voltage of low pressure Ps sensor is zero High voltage Pd sensor error Output voltage of high pressure Pd sensor is zero or abnormal value was detected during stop of compressor Outdoor EEPROM error Outdoor EEPROM error Center unit alarm stops and terminal units continue operation Compressor 1 case thermostat operation Case thermostat of compressor 1 performs protective operation Low pressure protective operation Low pressure Ps sens
53. Unit for S MMS MMD AP0481HFE Option TA TCJ TC2 TC1 TF Surge absorber LM Fan DP CN033 CNO083 CN068 3 GRN 000 1Y2 DA 1Y2 090 1Y2 WHI 75777 Yer Yay SLY 1713 000 112 112 112 DAO 112 CNO30 104 102 CN101 100 CN103 sk M le lu RED YEL RED BLK BRW GRN P301 80 72 PNL GRN 004 CNO73 At 1 0 Control P C Board RED 5 EXOT CN304 GRY 006 RY002 1 001 4 for Indoor Unit M A Filter MCC 1403 od 1 CN309 YEL 005 2 CNO81 P3 BLK 4 RED ACIN T5 0A 250V Powe 5 96 OVO 7 supply circuit WHI CNO67 BLK 6X6 BYE 9 515 2X2 2 4 00 BLU 057 005 PMV AS 66 WHI CNO44 40 CNO041 CNO50 074 CNO75 061 CN032 CNO60 2222 44 272 BRW BLU BLU WHI WHI WHI YEL WHI WHI 0 6X6 112137415 1 213 1 2 3747516 CA 111213711576 EMG 12 3 11243 112131475156 T10 Fandrive Option 2 5 6 2 BLU BLU BLK BLK Ti2Ysy4Ysye YED Line filter Sub P C board 1520 Fan motor inside wiring diagram UIA TT oes 32344 X546 WHI E TRI RED WHI RED Outdoor unit Remote Remote controller controller
54. YELLOW BLUE BLACK GRAY PINK ORANGE BROWN GREEN amp YELLOW F2 Intermediate static pressure tap Orange 50 60Hz At shipment from factory F3 High static pressure tap Bkack 50 60Hz F4 50 MMD AP0721HFE MMD AP0961HFE WHI O RED Surge absorber Option WHI 52 RED TA TCJ TC2 TC1 TF 6 Surge absorber LM 7 CN033 CN083 CNO068 GRN DA DA DA TY YS DA WHI er BLY Dee DOA 12 De 12 006 ae CN030 CN104 102 101 CN100 103 YEL RED BLK GRN PEK P301 pS CN080 7 PNL GRN 5 777 004 073 1 0 pj EXCT CN304 GRY 006 RY002 1 001 Control P C Board 3 for Indoor Unit ON Filter m MCC 1403 CN309 YEL 005 2 98 1 5 BLK Fuse 4 RED ACIN 5 0 250V 5 94 T supply circuit WHI 067 BLK 6X6 515 343 9 55 272 CN082 44 DO BLU 04 057 PMV cNose WHI CNO44 CNO40 41 CNO50 074 075 061 CNO32 060 OO me OC 2 BRW BLU BLU WHI WHI WHI YEL
55. ace necessary for service 89 Service space Fresh air lt intake a A B Hanging bolt pitch 8 E Service 9 8 8 space S Check port 6000 Work example Drain piping work example at local site Refrigerant piping work example at local site Filter direction Drain port Refrigerant pipe Electric parts box With cover When drain up kit is mounted connecting port For vinyl chloride pipes Gas side M Nominal dia 25 Inner dia 32 Refrigerant piping work Refrigerant pipe example at local site connecting port Liquid pipe N Sq Drain piping work example at local site 41 370 492 704 850 292 Discharge port connecting flange Accessory for main unit of product g G paH J I 406 Pre filter Suction port gt Suction port connecting flange L Accessory for main unit of product Z View X X View detail diagram Note 1 The above figure indicates Model MMD APO721HFE and APO961HFE Model MMD AP0481HFE one fan motor and one fan is provided AP0961HFE 022 2 brazing Filter chamber High performance filter Pre filter 12 7 flare AP0721HFE 022 2 brazing 12 7 flare AP0481HFE 15 9 flare 9 5 flare Model MMD M N 7 WIRING DIAGRAM 7 1 Fresh Air Intake Indoor
56. air inlet side with descending inclination because the suction duct of the this unit is exposed to outdoors and therefore rainwater leaves and birds are easy to enter in if it is set horizontally Attaching wire netting and others to end of the suction duct is also recommended Connect the duct so that the air inlet sucks fresh air only Be sure to apply heat insulation for the duct to prevent dewing Recommended material Glass wool or foam polyethylene Thickness 25mm When welding the duct at the site sparks may enter in the air filter or thermal insulator To avoid spread of the fire cover the duct with iron plate etc When penetrating metal lath wire lath or metal plank with the metal duct isolate the duct from the wall electrically Set the canvas ducts at air inlet port and air supply It is to avoid conveyance of vibration abnormal resonance sound and also to make easy the disassembly of the main unit in service time Connect the ducts so that the ducts do not weight on the main unit If connecting the ducts directly to the main unit the duct vibration abnormal sound from the main unit may happen and also the filter and service panel cannot be detached Be sure to fix the ducts by using the hanging bolts lt Overview of duct connection gt NOTE Parts except the fresh air intake indoor unit are to be locally procured Canvas joint Canvas joint Fresh air intake indoor unit LALA Air in
57. ance Check the power of connecting destination connected device Check board error of the connected device General purpose device VF Interface batch alarm of general purpose control devices Operation continued Error was input in general purpose control device control interface Check error input Differs according to error contents of the with alarm TCC LINK Follower unit error of group control Operation continued An error occurred in follower unit of the group control P30 is displayed only on the central control remote controller Check the check code of the unit with alarm Duplicated central control address Operation continued Central control addresses were duplicated Check the address setup 11 5 Sensor Characteristics 20 TA TF sensor Caracteristics 1 Resistance 10 Temperature 20 200 Caracteristics 3 TC1 TC2 TCJ sensor Resistance Resistance 10 or lower 10 C or higher 100 Ng M EE 10 0 0 10 0 10 20 30 40 50 Temperature C 60 70 B5 12 REPLACEMENT OF FAN ASSEMBLY 1 Remove the electric parts box cover wm mmn T Take off M4 screws 2 positions Electric parts box cover Fan assembly 1 The model in the left photo is APO721 0961 types 2 The one fan is provided to AP0481 type two are provided to 0721 AP0
58. and the closed room full with gas is dangerous because a shortage of oxygen Ventilation occurs Be sure to execute ventilation When checking the circuit inevitably under condition of the power ON use rubber gloves and others not to touch to the charging section Be attentive to electric shock If touching to the charging section an electric shock may be caused 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 If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused Compulsion For the installation moving reinstallation work follow to the Installation Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the
59. ar on the display part of the remote controller The check code is only displayed during the operation If the display disappears operate the air conditioner according to the following Confirmation of error history for confirmation Check code Indoor unit No in which an error occurred Confirmation of error history When a trouble occurred on the air conditioner the error history can be confirmed with the following procedure 2 The error history is stored in memory up to 4 errors B TEMP DON OFF o FAN E MODI This history can be confirmed from either operating C status or stop status euer FILTER RESET TEST UNIT Procedure Description When pushing SET and buttons simultaneously for 4 seconds or more the right display appears If Service Check is displayed the mode enters in the error history mode UNIT No 01 Order of error history is displayed CODE No window Check Code is displayed in CHECK window Indoor unit address in which an error occurred is displayed in UNIT No R C No Every pushing E buttons the error history stored in the memory is displayed in order The numbers in CODE No indicates CODE No 01 Latest 04 Oldest Do not push button because all the error history of the indoor unit will be deleted After confirm
60. ater leakage Adjust the nut position lower side Hang up the main unit by hanging nut of hanging bolt to T groove of hanging bracket of the indoor unit Using the level vial etc check that four sides are horizontal Horizontal degree within 5mm Attach canvas ducts procured locally to the air inlet and the air outlet so that vibration of the main unit does not travel to the duct or ceiling Attach also acoustic absorption material to the inner liner of the duct and the vibration proof rubber to the hanging bolt Hanging bolt EON Nut Upper side Washer Upper side Washer Lower side Thermal insulator Hanging bracket main unit Accessory Nuts Lower side Hanging bracket REQUIREMENT Using a level vial etc confirm the horizontal level of the indoor unit Tighten the nut sufficiently and fix it securely 4 INSTALLATION OF INDOOR UNIT Installation of indoor unit Thermal insulation 1 Install temporarily the indoor unit Attach the hanging bracket to the hanging bolt Be sure to fix the hanging bracket from both up and down sides of the hanging bracket by using the nuts M10 procured locally and the washer 2 Using nut adjust height of the main unit 3 Check the main unit is horizontally installed Main unit Attach canvas ducts procured locally to the air inlet and the air outlet so that vibration of the main unit does not travel to the duct or
61. ation push button to return to the usual display Check method On the remote controller Main remote controller Central control remote controller and the interface P C board of the outdoor unit I F a check display LCD Remote controller or 7 segment display on the outdoor interface P C board to display the operation is provided Therefore the operation status can be known Using this self diagnosis function a trouble or position with error of the air conditioner can be found as shown in the table below Check code list The following list shows each check code Find the check contents from the list according to part to be checked In case of check from indoor remote controller See Main remote controller display in the list In case of check from outdoor unit See Outdoor 7 segment display in the list n case of check from indoor unit with wireless remote controller See Sensor block display of receiving unit in the list ea New check code 1 Difference between the new check code and the current system The displaying method of the check code changes in this model and after Check code in current system New check code Used characters Hexadecimal notation 2 digits Alphabet Decimal notation 2 digits Characteristics Few classification of communication Many classification of communication incorrect setup system code classification incorrect setup system Block display Indoor P
62. ation work be sure that water dust former refrigerant or refrigerating oil does not enter the refrigerating cycle To prevent charging an incorrect refrigerant and refrigerating oil the sizes of connecting sections of charging port of the main unit and installation tools are changed from those for the conventional refrigerant Accordingly the exclusive tools are required for the new refrigerant R410A For connecting pipes use new and clean piping designed for R410A and please care so that water or dust does not enter Moreover do not use the existing piping because there are problems with pressure resistance force and impurity in it CAUTION To Disconnect the Appliance from Main Power Supply This appliance must be connected to the main power supply by means of a switch with a contact separation of at least 3 mm 1 PRECAUTIONS FOR SAFETY WARNING Ask an authorized dealer or qualified installation professional to install maintain the air conditioner Inappropriate installation may result in water leakage electric shock or fire Turn off the main power supply switch or breaker before attempting any electrical work Make sure all power switches are off Failure to do so may cause electric shock Connect the connecting wire correctly If the connecting wire is connected in a wrong way electric parts may be damaged Be sure to connect the earth wire When the earth work is incomplete an electrical
63. confirm other alarm history than the latest one push TEMP __ _Jand select the item code 01 to 04 GROUP 5 To confirm alarm of the other group push Zone and C gt select the group No Do not push cL CL button otherwise all the alarm histories of the currently selected group are deleted 6 To finish the service check push A button Unit No display Alarm display UNIT No AN e 32 n l 2 Alternate flashing display 7 RC No 74 11 4 Check Code and Check Position Displayed on the Remote Controller and Outdoor Unit 7 Segment Display of Interface Check code Main remote controller Outdoor 7 segment display Check code Sub code Detected position Remote controller Check code name Communication error between indoor and remote controller Detected at remote controller side Status Corresponding unit only stops Error detection condition Communication interrupted between indoor P C board and remote controller Check item position Check remote controller inter unit cable A B Check disconnection connector contact error Check indoor power supply Check indoor P C board error Check remote controller address setup When two remote controllers operate Check remote controller P C board Remote controller Remote controller sending error Corresponding unit only stops Signal
64. control is successively displayed 2 Specify the indoor air conditioner No to be replaced 3 Using TEMP CA buttons the item code DN is increased decreased one by 3 4 At the first change the item code DN from Z to Z Setting of filter sign lighting time Note the contents of setting data displayed in this time 5 Next change the item code DN by TEMP CYD CA buttons As same as above note the contents of setting data 6 After then repeat the procedure 5 and note the contents of the important setting data as shown in Example in the Attached table p 95 item code DN is Z to FF In the part of the way DN No may skip 7 After noting push button and return to the normal stop status 6 Wait for approx 1 minute until operation of the remote controller starts Necessary item codes to the minimum Contents MCC 1403 CN041 Type Indoor air conditioner capacity Line address L1 E EI Before change when the short circuit plugs are mounted on the P C board reuse the short circuit plugs Indoor address Group address 2 Replacement of P C Board for Service 1 Replace the existing P C board with P C board for service In this time shift the jumper wire cut setting short circuited connection connector setting on the P C board before replacement to the new service P C board See the figure above
65. could not be sent from remote controller to indoor unit Check the communication wire of remote controller Exchange remote controller Indoor unit Communication error between indoor and remote controller Detected at indoor side Corresponding unit only stops No communication from remote controller including wireless and communication adaptor Check remote controller and communication adaptor wiring Indoor unit Indoor outdoor communication circuit error Detected at indoor side Corresponding unit only stops Indoor unit does not receive communi cation from outdoor unit Check power ON order of indoor outdoor Check indoor address setup Check inter unit cabling between indoor and outdoor Check outdoor end terminal resistance setup SW30 2 No of indoor units of normal reception Decreased number of indoor units All stop When signal is not sent for a certain period from the indoor unit which has been used to send signals E06 is normally displayed Check the power supply of indoor unit Power ON Check connection of communication line between indoor and outdoor Check connector connection for communication in indoor P C board Check connector connection for communication in outdoor P C board Check indoor P C board failure Check outdoor board I F failure Indoor outdoor communication circuit error Detected at outdoor side All st
66. cuted Check item position Setup the address again after disconnecting communication connection with other refrigerant circuit system No corresponding indoor unit during automatic address All stop Indoor unit is not found when indoor automatic address start was set up Check the communication line connection between indoor and outdoor Check the electric power line error in indoor Check the noise of surrounding devices Power failure Check indoor P C board error 00 Capacity over 01 to No of connected units No of connected indoor units Capacity over All stop Total capacity of indoor units exceeded 105 of total outdoor capacity No of connected indoor units are more than 48 units Note If this code appears after backup setup of outdoor unit trouble set up No capacity over detection Setup method of capacity over detection Turn on SWO9 Bit 2 on I F P C board of outdoor header unit Check the connection capacity of indoor unit Check the HP capacity of indoor unit Check the indoor outdoor capacity setup Check the No of connected indoor units Check the outdoor I F P C board error Indoor unit Communication error between indoor header and follower units Corresponding unit only stops Regular communication between indoor header and follower units Check cable of the remote controller Check power cabling of indoor Ch
67. d indoor unit work Using CA buttons of set temperature specify the item code A ONIT No SKK KKE 2 _ No Using buttons of timer time select set data Push button In this time if the display changes from flashing to lighting the setup completes To change the setup of an indoor unit other than the selected one start operation from Procedure 2 To change the setup of another setup in the selected indoor unit start operation from Procedure 3 Pushing S button clears the set up contents which have been already set In this case retry from Procedure 2 TEST When the setup finished push button The setup is determined Pushing D button deletes the display and returns the status to normal stop status For some time after 63 button has been pushed the operation of the remote controller cannot be accepted Change of lighting term of filter sign According to the installation condition the lighting term of the filter sign Notification of filter cleaning can be changed Follow to the basic operation procedure 1592535455506 For the item code in Procedure 3 specify 01 For the Set data in Procedure 4 select the setup data of filter sign lighting terme from the following table Setup data Filter sign lighting term 150H 2500H At shipment from factory 5000H 10000H g 10 Fan CHARACT
68. d relay within 2m EXCT T 2P plug RED Relay coil signal 66 B Setting of indoor air conditioner in Specific indoor air conditioner priority mode Change the setting during stop of the system Be sure that setting is performed during stop of the system RESET TEST FILTER Procedure Operation contents SET CL TEST Push O 5 buttons concurrently for 4 seconds or more After some time the display part flashes as shown below nm nnm LOG Check the displayed item code is 10 When the displayed item code is other than 10 push A button to erase the display and then start from the first step The operation from the remote controller is not accepted for approx 1 minute after pushing 0 button In group control the firstly displayed indoor air conditioner No becomes master unit Every pushing mm button the indoor air conditioner No in the group control is displayed one by one Select an indoor air conditioner of which setting is changed In this time the location of the indoor air conditioner of which setting is changed can be confirmed because fan and flap of the selected indoor air conditioner operate Using the setting temperature Cw A buttons specify the item 2404 04 Using the timer time buttons select the setting data 0001 Priority 0001 Without priority 0000 SET Push button When the d
69. door PMV1 2 opening air conditioners Compressor 1 2 ON OFF Outdoor fan mode Total HP of outdoor units Outdoor unit HP Single data of outdoor unit Note 4 5 Connected No of outdoor units System data Note 1 fresh air intake unit uses the corrected sensor data Therefore the following data is not correctly displayed The corrected sensor data is displayed Outdoor suction temp TA See the item code 00 external temp From 02 to 05 there are some data but not actual Note 2 In the group connection only data of the master indoor air conditioner is displayed Note 3 01 Compressor 1 only is on 10 Compressor 2 only is on 11 Both compressor 1 and 2 are on Note 4 The item codes are described in the example of center unit Note 5 The upper digit of the item code indicates the outdoor unit No 1 Center unit A 2 Terminal unit B 3 Terminal unit C 4 Terminal unit D 68 11 TROUBLE DIAGNOSES 11 1 Summary of trouble diagnoses 1 Before trouble diagnoses a Applicable models All the super module multi models Fresh air intake indoor unit MMD APXXXHFE Outdoor unit MMY APXXXT8 MMY APXXXHT7 b Required tools measuring instruments screwdrivers spanner radio pincher nipper push pin for reset switch etc Tester thermometer pressure gauge etc Confirmation before check The following operations are not abnormal Operati
70. dress Communication error between indoor MCU and other MCU MCU communication error between main and motor microcomputer Regular communication error between indoor master and follower units Regular communication is impossible between indoor master and follower units Indoor heat exchanger temp sensor TCJ error Open short of heat exchanger temp sensor TCJ was detected Indoor heat exchanger temp sensor TC2 error Indoor heat exchanger temp sensor TC1 error Open short of heat exchanger temp sensor TC2 was detected Open short of heat exchanger temp sensor TC1 was detected Outdoor suction temp sensor TA error Open short of outdoor suction temp sensor TA was detected Blow off temp sensor TF error Open short of blow off temp sensor TF was detected Indoor and other P C board error Indoor EEPROM error Other error may be detected in some cases Duplicated indoor group master unit setting Multiple master units exist in a group There is group line in single indoor air conditioner Even one group connected indoor air conditioner exists in single indoor air conditioner ndoor group address unset Indoor group address is not yet set Detected also at outdoor unit side ndoor capacity unset Indoor capacity is not yet set Duplicated central control system address Duplicated setup of central control system address Detected indoor air c
71. e In cooling operation 60 or higher In heating operation 40 or higher Check refrigerant shortage Check full open of outdoor service valves gas side liquid side Check outdoor PMV clogging 1 2 Check characteristics of TS1 sensor resistance value Check leakage of SV4 circuit 02 TD condition Gas leak detection TD condition All stop Discharge temperature TD1 or TD2 was continuously 108 C or higher for 10 minutes Check refrigerant shortage Check outdoor PMV clogging 1 2 Check characteristics of TD1 TD2 sensor resistance value Check indoor air filter clogging Check pipe clogging Check SV4 circuit Valve leakage misinstallation Discharge temp TD2 error All stop Discharge temperature TD2 exceeded 115 C Check full opening of outdoor service valves gas side liquid side Check clogging of outdoor PMV PMV1 2 Check characteristics of TD2 sensor resistance value Check leakage of SV42 circuit Check SVA circuit Miscabling and misinstallation of SV41 and SV42 Detected outdoor unit No 4 way valve operation error All stop When abnormal refrigerating cycle data was detected in heating Check coil error and connector connection of 4 way valve Check characteristics of TS1 TE1 sensor resistance value Check characteristics of Pd Ps pressure sensor output voltage Check misconnection of TE1 and TL sensors
72. e 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 4 Refrigerant piping Indoor unit 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 Large room Mechanical ventilation device Gas leak detector NOTE The minimum indoor floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7m high Range below the density limit of 0 3 kg m countermeasures not needed 3 e Range above the density limit of 0 3 kg m countermeasures needed Min indoor floor area 10 20 30 Total amount of refrigerant kg TOSHIBA CARRIER CORPORATION e CHOME 12 328 KONAN MINATOKU TOKYO 108 0075 JAPAN Copyright 2007 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
73. e indoor units with priority against indoor unit without priority Indoor group address unset Indoor unit whose indoor group address is unset exists Detected also at indoor unit side Outdoor capacity unset Capacity of outdoor unit is not set up Replace service P C board with a new one Quantity over of connected outdoor units No of connected outdoor units exceeds 4 units A3 IPDU1 error A3 IPDU2 error A3 IPDU1 2 error Fan IPDU error A3 IPDU1 Fan IPDU error A3 IPDU2 Fan IPDU error All IPDU error No of IPDU error No of IPDU PC board in inverter box is few Detection of indoor unit No There is abnormal external input of indoor outdoor units Interlock There is indoor unit which stops abnormally by external error input one line lt Detected by indoor unit Outdoor discharge TD1 temp error High temperature error is detected on discharge temp sensor TD1 01 Detection of open phase 02 Over voltage Detection of open phase Detection of open phase Incorrect phase Open phase Phase order to motor is incorrect Motor may not rotate clockwise or may not rotate 01 Compressor 1 side 02 Compressor 2 side Heat sink overheat error High temp error is detected on temp sensor TH built in outdoor IGBT Detection of indoor unit No Overflow is detected in an indoor unit There is indoor unit which stops abnormally by detectio
74. e off M4 screws 2 positions Take off M4 screws 2 positions Take off M8 screws 4 positions mounting the motor base 90 8 Remove parts to be replaced from the fan motor assembly Take off M4 screws 4 positions from the bell mouth 5 E Loosen the setscrews When replacing the fan motor set it so that the model name label directs upward tuU m Tighteningiband Eeft two tightening band 2 itigh tthejtightening band and the fixing bracket and 0 T i After replacement assemble the fan in reverse procedure so that the assembly becomes the same status before replacement Check that the air blows off and the fan does not hit with the fan case and also check there is no abnormal noise X9 o 2 5 90 sure there is no looseness of screws in assembling time 91 13 P C BOARD REPLACING PROCEDURES Applicable Model P C board Model Label on P C board 431 6V 343 MMD AP HFE series MCC 1403 03RD M02 SU Set the type code and capacity code and then set DN C8 itri gt Notice when assembling P C board for indoor service Before replacement in the non volatile memory Hereinafter said EEPROM IC10 installed on the indoor board the important setting data such as type and capacity codes exclusive to the model at shipment from factory and moreover the line indoor group address which were
75. e read this Service Manual after understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication Explanation AN 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 N WARNING 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 Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Confirmation of warnin
76. e to use the flare nuts attached to the indoor unit or those fro R410A Permissible pipe length and permissible height difference They are different according to the used outdoor unit For details refer to the Installation Manual attached to the outdoor unit Piping material and dimensions Piping material Phosphor deoxidization seamless pipe for air conditioner Model MMD AP0481HFE MMD AP0721HFE AP0O961HFE Gas side Pipe size mm Liquid side Use a clean and new pipe and check that impurity such as dust oil moisture etc does not adhere in the pipe Pipe Forming End Positioning Flaring diam meter size A Unit mm i 1 Cut the pipe with a pipe cutter NO GOOD Outer diam A 54 mm OK of copper pipe R410A 90 Obliquity Roughness Warp gt Fg d m rn 2 Insert a flare nut into the pipe and flare the pipe 4 As the flaring sizes of R410A differ from those of In case of flaring for R410A with the conventional refrigerant R22 the flare tools newly manufactured flare tool pull it out approx 0 5 mm more than that for R410A are recommended for R22 to adjust to the specified flare size However the conventional tools can be used by The copper pipe gauge is useful for adjusting adjusting projection margin of the copper pipe projection margin size 82 7 REFRIGERANT PIPING Projection margin in flaring B Unit mm alt Z
77. eck PC board of indoor Nocenter unit Two or more center units No of center outdoor unit error All stop There are multiple outdoor header units in 1 line There is none of outdoor header unit in 1 line The outdoor unit connected with communication cable between indoor and outdoor U1 U2 is the outdoor header unit Check connection of communication line between indoor and outdoor Check outdoor board I F error Connection of outdoor of other line Connection of indoor of other line Other line unit connected during automatic address All stop Unit of other line was connected when indoor automatic address started Separate the cable between lines according to automatic address setup method in Address setup Communication sending error between outdoor units Transmission of other outdoor unit was unavailable for 30 seconds or more Check the power of outdoor unit Is the power turned on Check connection of communication wire or disconnection between outdoor units Check the connector for communication on outdoor P C board e Check outdoor board I F error Check the end terminal resistance setup for communication between outdoor units Check code Detected position Check code name Status Error detection condition Check item position Outdoor 7 segment display Main remote controller Check code Sub code
78. ection and wiring on IPDU PC board Check compressor error and defect of compressor coil Check outdoor P C board IPDU error 01 Compressor 1 side 02 Compressor 2 side Compressor position detection circuit error All stop Position was not normally detected Check connector connection and wiring Check compressor error and defect of compressor coil Check board IPDU error Indoor Other indoor error Group follower unit error Corresponding unit only stops E07 L07 L03 L08 was detected when other indoor unit in the group was defective Check indoor P C board Error detected by TCC LINK central control device Check code Display on central control device Outdoor 7 segment display Check code Sub code Detected position TCC LINK Check code name TCC LINK central control device transmission error Status Operation continued Error detection condition Signal is not transmit from central control device Check item position Check central control device error Check communication line error of central control device Check setup of end terminal resistance TCC LINK central control device receiving error Operation continued Signal is not received from central control device Check central control device error Check communication line error of central control device Check setup of end terminal resist
79. er to the Installation manual attached to the remote controller Do not place the remote controller in the direct sunlight or at place near a heater 25 Installation of hanging bolt Use M10 hanging bolts 4 pcs to be local procure Matching to the existing structure set pitch according to size in the unit external view as shown below New concrete slab Steel flame structure Existing concrete slab Install the bolts with insert brackets or anchor Use existing angles or install new Use a hole in anchors hole in bolts support angles plugs or a hole in bolts NL uc Hanging bolt grt eintorcin X a J 2 X see I Anchor bolt Blade type Slide type Pipe hanging bracket bracket anchor bolt Hanging bolt Support angle Preparation before installation 1 Check positional relation of the check port unit and hanging bolt 2 Punch an opening hole for installation In case of existing ceiling Punch an opening hole on the ceiling of installation and perform unit piping piping until the wiring connecting port refrigerant water supply drain and wiring work power supply connecting wiring remote controller wiring 3 Mount the hanging bolt Hanging bolt size Use M10 Hanging up of unit A CAUTION This unit is incorporated with drain pump and float switch Never incline the main unit Otherwise malfunction of the float switch may be caused resulting in w
80. eration High pressure SW operates rpm difference error Max rpm over Out of order Idc operation OC Air flow lock Lock Synchronization error Control error IPDU error for outdoor fan IPDU for outdoor fan detects each error Compressor 1 side Short circuit protection operation Momentary over current Compressor 2 side G Tr IGBT short circuit protection error of compressor motor drive circuit element works Compressor 1 side Compressor 2 side Compressor position detection circuit system error Position detection error of compressor motor is detected NOTE Even the same error contents such as communication error the check codes display may differ according to the detected device In case of check code detected by a central controller of the remote controller it does not exactly have direct influence to operation of the air conditioner 72 11 3 Trouble Diagnoses by Check Display of the Remote Controller In case of main remote controller RBC AMT31E 1 Confirmation and check mE When a trouble occurred on the air conditioner the check code and the indoor air conditioner No are displayed on the display poste part of the remote controller The check code is displayed during operation only If the display disappeared follow to Confirmation of error 2 Confirmation of error history Check code Indoor unit No in which histor
81. esh air intake unit Duct type is 72 6 See attached table p 95 c Push button OK if the display goes on 5 d Using TEMP CA buttons enter to the item code DN e Set the capacity by TIME buttons f Push 5 button OK if the display goes Be sure to perform the following setting g Using TEMP CY CAD buttons enter ZZ to the item code DN h Set JADI to the setting data by TIME A buttons i Push button OK if the display goes on j Push S button to return the status to the normal stop status 6 4 Next write the contents such as address setting which were set at the local site after installation in EEPROM 5 Using TEMP buttons specify 2 to the item code DN Setup of filter sign lighting time 6 In this time compare the contents of the displayed setting data p 95 with contents noted in 1 p 93 and the customers information a If data differs from them change data to the noted contents by TIME buttons and then push button OK if the display goes b Do nothing if data matches with them 7 Change the item code DN by TEMP CYD CA buttons Check the contents of setting data as same as above and then change data to noted data contents before exchange 8 After then repeat procedures 6 and 7 9 After setting push button to return to the normal stop status In a group operation turn off the power supply once return group
82. factory Static input selection 0V COM RBC AMT31E RC AS21E2 prohibition input Operation stop of RBC AMT31E is allowed prohibited by input Operation output ON during operation Answer back of HA DC12V COM Alarm output DC12V COM ON during output of alarm Defrost output ON during defrosting of outdoor unit Thermo ON output ON during real thermo ON Compressor ON Cooling output ON when operation mode is COOL Heating output ON when operation mode is HEAT Fan output DC12V COM DC12V COM Outside abnormal input Outside setting input OV Check mode input OV Display mode input OV Demand input o OV 59 ON when indoor fan is on When purifier is used Interlock wiring The check code L30 is generated continuously for 1 minute and the operation stops forcedly Setting of humidifier provided none Short plug attached at shipment from factory This function is used to check indoor operation The specified operation such as indoor fan ON is output without communication with outdoor or remote controller This function enables the display mode to communicate with indoor air conditioner and remote controller only When power supply is turned on Timer short Usually Forced thermo OFF operation of indoor air conditioner 10
83. forcedly stops when the indoor air conditioner operates ON OFF operation from RBC AMT31E is prohibited Status that card is taken off from the card switch box In a case of the card switch box which does not become the above contact operation convert it to relay with b contact 2 Operation Operate the wired remote controller switch in the following procedure Operation should be performed during stop of the unit TEST 1 Push C5 buttons concurrently for 4 seconds or more 2 Using setup temperature Cv buttons specify the item code cf Fm 1 3 Using timer time buttons set the setting data to wow 4 Push 5 button 2 5 Push 2 button The status becomes normal stop status Indoor control P C board Her Relay procured locally Pon SUUS 3 Wiring CN061 rt T10 YEL 2 2 414 In the figure the contact indicates 515 i a status that the card is taken out 6 6 NOTE Restrict the cable length between Power supply the indoor control P C board and the relay within 2m Outside contact Card switch box etc Procured locally Demand control When the relay is on the operation CN073 becomes to forced thermo OFF operation 28 Wiring exampl Relay procured locally NOTE Restrict wire length between indoor control P C board or outdoor control P C board and Indoor control P C boar
84. g label on the main unit Confirm that labels are indicated on the specified positions Refer to the Parts disassembly diagram Outdoor unit If removing the label during parts replace stick it as the original Turn OFF the breaker before removing the cabinet otherwise an electric shock is caused by high voltage resulted in a death or injury During operation a high voltage with 380V or higher of circuit at secondary circuit of the high voltage transformer is applied Turn off breaker If touching a high voltage with the naked hands or body an electric shock is caused even if using an electric insulator For details refer to the electric wiring diagram capacitor terminals If discharge is not executed an electric shock is caused by high voltage resulted in a death Execute discharge or injury Q When removing the cabinet execute short circuit and discharge between high voltage terminais After turning off the breaker high voltage also keeps to apply to the high voltage capacitor Do not turn on the breaker under condition that the cabinet are removed An electric shock is caused by high voltage resulted in a death or injury Prohibition Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the main unit otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact a
85. gnal of central control system cannot be received There are multiple network adapters There are multiple network adapters on the remote controller communication line AI NET Multipurpose device control interface batch alarm Device error which is connected to multipurpose device control interface of the exclusive TCC LINK AI NET Group follower unit error 70 Group follower unit error For remote controller unit No and the above detail display Check code display Check code display list Outdoor unit Outdoor 7 segment Sub code No of indoor units of normal reception TCC LINK central amp Remote controller Representative defective position Decrease of indoor units Error contents There is no communication from indoor unit Decrease of connected indoor units Indoor Outdoor communication circuit error Signal cannot be sent to indoor unit There is no communication from outdoor unit at indoor side Duplicated indoor unit Nos Duplicated indoor addresses Multiple indoor units having same address exists Detected also at indoor unit side 01 Indoor Outdoor communication 02 Communication between outdoor units Automatic address start error Automatic indoor address is operated during setting of automatic address of another line Automatic outdoor address is operrated during setting of automatic indoor address There is no
86. ics of TD2 sensor resistance value Check outdoor P C board I F error TE1 sensor error All stop Resistance value of sensor is infinite or Check connection of TE1 sensor connector zero Open Short Check characteristics of TE1 sensor resistance value Check outdoor board I F error Check code Main remote controller Outdoor 7 segment display Detected Check code Sub code position Check code name TL sensor error Status All stop Error detection condition Resistance value of sensor is infinite or zero Open Short Check item position Check connection of TL sensor connector Check characteristics of TL sensor resistance value Check outdoor P C board I F error TO sensor error All stop Resistance value of sensor is infinite or zero Open Short Check connection of TO sensor connector Check characteristics of TO sensor resistance value Check outdoor P C board I F error Indoor Indoor TA sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of TA sensor connector Check characteristics of TA sensor resistance value Check indoor P C board error Indoor Indoor TF sensor error Corresponding unit only stops Resistance value of sensor is infinite or zero Open Short Check connection cabling of
87. indoor during automatic address is operating Signal from outdoor unit is not received while automatic address is operating 00 Capacity over 01 Connected units No of connected indoor units Capacity over Total capacity of indoor units is over Exceeds the total capacity of outdoor units x 105 00 No center 02 Two or more center units No of center outdoor units error There is no center outdoor unit in one line or multiple center outdoor units in one line 01 Connected outdoor unit of other line 02 Connected indoor unit of other line Connected unit of other line during operation of automatic address Indoor unit of other line is detected while automatic address is being set up Sending error of communication between outdoor units Signal cannot be sent to other outdoor units Duplicated terminal outdoor address setup Outdoor addresses manually set are duplicated No of outdoor units of normal reception Decrease of connected outdoor units There is no communication from terminal outdoor unit Decrease of connected terminal outdoor units Detection of outdoor unit No Terminal outdoor unit error Center outdoor unit detects error of terminal outdoor unit For terminal outdoor unit details are displayed A3 IPDU1 error A3 IPDU2 error A3 IPDU1 2 error Fan IPDU error A3 IPDU1 Fan IPDU error A3 IPDU2 Fan IPDU error All IPDU error IPD
88. ine in individual indoor unit Corresponding unit only stops At least one indoor unit connected to a group existed in the individual indoor units Check indoor address Indoor Indoor group address unset Corresponding unit only stops Address was not yet set up Check indoor address Note After installation this code is displayed when the power is firstly turned on Indoor Indoor capacity unset Corresponding unit only stops Indoor unit capacity was unset Set up indoor capacity DN 11 VF Outdoor capacity unset All stop On the I F P C board for service jumper line was not cut according to the model Check model setup on outdoor I F P C board A ssy for Service Duplicated central control addresses All stop Duplicated central control addresses Check central control address Quantity over of connected outdoor units All stop There were more than four outdoor units Check No of connected outdoor units Max 4 units per 1 system Check communication line between outdoor units Check outdoor PC board I F error IPDU1 error IPDU2 error IPDU1 2 errors Fan IPDU error IPDU1 Fan IPDU error IPDU2 Fan IPDU error All IPDU error or communication error between IPDU and I F PC board or outdoor I F board error IPDU quantity error No of IPDU units detected when power was turned on were less Chec
89. ing with slated roof 3 Installation to a place where inside of the ceiling is used for pathway In the above cases additionally attach the thermal insulator Glass wool etc to all positions of the air conditioner which come to contact with the high humidity atmosphere In this case arrange the side plate Service plate so that it is easily removed Apply also a sufficient thermal thickness 10mm or more to the duct and connecting part of the duct Service plate 4 INSTALLATION OF INDOOR UNIT A WARNING Install the air conditioner certainly to sufficiently withstand the weight If the strength is insufficient the unit may fall down resulting in human injury Perform a specified installation work to guard against strong wind or earthquake An incomplete installation can cause accidents by the units falling and dropping REQUIREMENT Strictly comply with the following rules to prevent damage of the indoor units and human injury Do not put a heavy article on the indoor unit Even units are packaged Carry in the indoor unit as it is packaged if possible If carrying in the indoor unit unpacked by necessity be sure to use buffering cloth etc to not damage the unit To move the indoor unit hold the hooking metals 4 positions only Do not apply force to the other parts refrigerant pipe drain pan foamed parts or resin parts etc Carry the package by two or more persons and do not bundle it with PP band at posit
90. ions other than specified External view Installing the four 10mm diameter hanging bolts Space the hanging bolts according to the dimensions shown in the diagrams below Use 10mm diameter hanging bolts Required at the site Wired remote controller RBC AMT31E Hanging bolt pitch 4 M10 hanging bolt 1288 Hanging bolt pitch y Electrical Local procure 1328 parts Refrigerant pipe connecting port Refrigerant pipe connecting port Gas side D ny d Considering piping and wire connecting works in the ceiling after hanging down the indoor unit select an installation place and then determine the drawing out direction of the pipes f the ceiling has been already set draw the refrigerant pipe drain pipe inter unit wire between indoor and outdoor units central control system wire and remote controller cord up to the positions where pipes and wires are connected before hanging down the indoor unit Install the indoor unit outdoor unit and also arrange Drain pipe connecting port ATS c AP0481HFE 99 5 flare 915 9 flare the power supply wiring connecting wiring and x remote controller wiring 1m apart from the television AP0721HFE io 1 id i APO961HFE 1392 1260 012 7 flare 022 2 brazing order to avoid image turbulence Mounting of the remote controller Sold separately For mounting of the remote controller ref
91. ir Intake of the fresh air often influences on the system so that the normal control of the air conditioner becomes difficult or gives a large load upon air controller and cooling performance Therefore it is frequently adopted to handle the fresh air to a certain condition before the fresh air will enter in the main air conditioner This handling device is called a fresh air intake indoor unit NOTE The fresh air intake indoor unit is an air conditioner provided to handle the fresh air load and is not to control the room temperature For correspondence to the load of the indoor air controller set an air conditioner separately 1 1 S MMS System Specifications to Connect Fresh Air Intake Indoor Unit 1 1 1 Combination Conditions The fresh air intake indoor unit is connectable to S MMS Super Modular Multi system However this is not connectable to S HRM Super Heat Recovery Multi system NW OK lb 0 5m or less OX J 80 to 100 to capacity of the outdoor units Up to two fresh air intake indoor units occupy 30 or less against total capacity of indoor units Keep the height difference between the fresh air intake indoor units to 0 5m or less The fresh air intake indoor unit is usually used together with the indoor units on one line of the multi system The fresh air intake indoor unit only cannot be connected
92. is required for preventing aspiration of smell through the drain pipe and also for preventing hardness of draining because the differential pressure between the drain pan and atmosphere becomes large when the external static pressure is high especially at suction side Dust inside of the drain pipe is easy to be heaped at the drain trap Be sure to set a plug so that the drain trap can be cleaned Maximum horizontal drain pipe length should be less than 20m or shorter If the pipe is long set the support brackets with 1 5 to 2m interval to prevent waving Mount the collective drain pipe as shown in the right figure Do not mount an air purge pipe Downward pitch Otherwise drain water spouts out resulted in water leak 1 100 or more Do not apply strength to the connecting part with the drain pipe Do heat insulating securely to the indoor drain pipe Be sure to do heat insulating to the connecting part with the indoor unit Incomplete heat insulating may cause dewing Keep long as possible Do not directly connect the drain pipe to the drainage etc with Approx 10cm vee ammonia smell otherwise there is a possibility that ammonia ingredient of the drainage passes through the drain pipe and corrodes the heat exchanger of the indoor unit Piping Heat insulating material Finis Mei The following materials as below for piping and heat Hard vinyl chloride pipe Vesicant polyethylene insulating prpcess are procured locally VP25 Ou
93. isplay changed from flashing to lighting the setting finished After finish of setting push Ea button Setting has determined When pushing 3 button the display disappears and the status enters in the normal stop status After pushing S button operation from the remote controller is nor accepted for approx 1 minute NOTE Only one indoor air conditioner can be set to With priority When multiple indoor air conditioners are set to With priority in mistake an error code L05 or LO6 Indoor air conditioners priority duplicated is displayed on the remote controller nnn t For the unit displaying L05 7 2 4 With priority is set up Leave one air conditioner to give priority among the indoor air conditioners displayed with 105 and then return setup data of the other air conditioners to No priority Error code Error contents Indoor air conditioners priority duplicated ZA is set up Indoor air conditioners priority duplicated 2 7 7 7 is set up 67 Monitor function of remote controller switch Model When using a remote controller RBC AMT31E the following monitor function is utilized Calling of display Contents Call the service monitor mode from the remote controller The sensor temperature or operation status of each remote controller indoor air conditioner and outdoor unit can be observed lt Procedure gt 1 Push 5 buttons conc
94. k model setup for outdoor I F service P C board Check connection of UART communication connector Check IPDU fan IPDU and I F P C board error Note UART Universal Asynchronous Receiver Transmitter Detected indoor address Indoor Interlock in indoor unit from outside Corresponding unit only stops Outside error input terminal Detected signal to CN80 for more 1 minute Outside device is connected to connector CN80 1 Check outside device error 2 Check indoor P C board error Outside device is not connected to connector 80 1 Check indoor P C board error Extended IC Integrated Circuit error Operation continues PC board I F parts error Check indoor I F P C board Check code Main remote controller Outdoor 7 segment display Check code Sub code Detected position Indoor Check code name Indoor fan motor error Status Corresponding unit only stops Error detection condition Check item position Check the lock of fan motor AC fan Check cabling VF Discharge temp TD1 error All stop Discharge temp TD1 exceeded 115 C Check full opening of outdoor service valves Gas side Liquid side Check clogging of outdoor PMV PMV1 2 Check characteristics of TD1 sensor resistance value Check refrigerant shortage Check leakage of SV41 circuit Check SVA circuit Miscabling and misin
95. let 5211 2 7777 Thermal insulator Bieten 35685581 Hanging bracket Duct Work After installing the product perform the duct work according to the working diagram 28 5 DUCT WORK Connecting flange Refer to size in the figure attached to the main unit lt MMD AP0481HFE gt lt MMD AP0721HFE AP0961HFE gt lt Air supply port connecting flange gt lt Air supply port connecting flange gt 5 1130 65 250 250 250_ _250__65 9 o 8 08 hole at 10 28 hole lt Air inlet port connecting flange gt lt Air inlet port connecting flange gt o at 10 08 hole REQUIREMENT If the air conditioner unit and the canvas joint are connected with the rivets the fan and the refrigerating cycle cannot be checked Be sure to use the flange as shown in the above and tighten it by the bolts Fixing bolts M6 x 12mm Procured locally 99 Procured locally Construction gt XE IE EY Air supply duct 1 Air supply flange Air inlet flange High performance filter i J Pre filter Heat insulator 1 M JKARNAKKKKKANA 772777787777 Air inlet duct 1 Descending inclination V woe Ns 7777 M o 77777077 v M A Sold separately Hood Heat insulator 1 Canvas duct 1 Product main unit Filter chamber Canvas duct 1 09 with n netting C
96. ller setup Adjustment range Temperature n cooling or heating operation 16 to 27 C Q At shipment from factory n cooling operation 18 n heating operation 25 Capacity 1 Differed from other indoor air conditioners the fresh control air intake inddor unit usually operates with the maximum capacity PMV control 1 Fresh air intake indoor unit controls PMV using the Data to be corrected corrected value of each sensor according to the Inlet air temp from outside operation mode TA Indoor coil temp COOL TCJ TC2 TC1 e SH control is performed by correcting indoor coil temp TC1 and inlet air temp from outside TA Q HEAT UC control is performed by correcting indoor coil temp TC2 TCJ and inlet air temp from outside TA 2 The value displayed by monitor function of the remote controller switch becomes the corrected sensor data See Monitor function of the remote controller switch 58 Fan control Outline of specifications 1 On the fresh air intake indoor unit HH tap only is provided 2 For 1 minute after operation start the forced fan OFF control is invalid 3 There is no cool air discharge preventive control 4 When refrigerant is recovered while cooling or fan operation is selected and when cooling oil is recovered while heating operation is selected the fan continues operation However the priority is given to forced fan OFF control Remarks F
97. n of overflow in one line lt Detected by indoor unit Outdoor liquid back detection error It is judged as liquid back occurred from refrigerating cycle status 01 TS condition 02 TD condition Gas leak detected Continuation of high temperature of outdoor suction temp sensor TS1 over reference value is repeatedly detected Outdoor discharge TD2 temp error High temperature error is detected on discharge temp sensor TD2 Detection of outdoor unit No 4 way valve reversal error Refrigerating cycle error is detected in heating operation Check code display Outdoor 7 segment TCC LINK central amp Sub code Remote controller High pressure protective operation Representative defective position High pressure Pd sensor detects value over reference value Error contents Compressor 1 side Compressor 2 side Open Short of temp sensor TH built in outdoor IGBT is Error of temp sensor TH built in outdoor IGBT detected Compressor 1 side Compressor 2 side Detection circuit of inverter current Idc detects Compressor break down overcurrent Compressor 1 side Compressor 2 side Compressor error Lock Compressor lock is detected Compressor 1 side Compressor 2 side Current detection circuit error Abnormal current is detected during stop of compressor Compressor 1 side Compressor 2 side High pressure SW system op
98. n electric engineer for rework Prohibition of modification Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified parts For spare parts use those specified If unspecified parts are used a fire or electric shock may be caused For details refer to the parts list Do not bring a child close to the equipment Before troubleshooting or repair work do not bring a third party a child etc except the repair engineers close to the equipment It causes an injury with tools or disassembled parts Please inform the users so that the third party a child etc does not approach the equipment Insulating measures Connect the cut off lead cables with crimp contact etc put the closed end side upward and then apply a water cut method otherwise a leak or production of fire is caused at the users side 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 monox ide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Refrigerant Check the used refrigerant name and
99. n of Liquid pipe connecting section Heat insulator 9 For heat insulation of hanging bracket 048 For heat insulation of hanging bracket 072 096 Separate sold parts Part name Standard wired Ez Model RBC AMT31E remote controller NOTE Never use a wireless type remote controller even if you have one otherwise the air conditioner may malfunction 1 PRECAUTIONS FOR SAFETY Ensure that all Local National and International regulations are satisfied Read this PRECAUTIONS FOR SAFETY carefully before Installation The precautions described below include the important items regarding safety Observe them without fail After the installation work perform a trial operation to check for any problem Follow the Owner s Manual to explain how to use and maintain the unit to the customer Turn off the main power supply switch or breaker before the unit maintenance Ask the customer to keep the Installation Manual together with the Owner s Manual CAUTION New Refrigerant Air Conditioner Installation THIS AIR CONDITIONER ADOPTS THE NEW HFC REFRIGERANT R410A WHICH DOES NOT DESTROY OZONE LAYER The characteristics of R410A refrigerant are easy to absorb water oxidizing membrane or oil and its pressure is approx 1 6 times higher than that of refrigerant R22 Accompanied with the new refrigerant refrigerating oil has also been changed Therefore during install
100. nd the leakage breaker When starting the operation after stop for a long time turn on the main power switch for 12 hours or more before start This is required to turn on the compressor case heater for warming in order to prevent overload on the compressor when activating the outdoor unit DON OFF FAN SWING FIX ILTER L RESET TEST UNIT DO Pus button The operation lamp goes on and the operation starts After HEAT operation stopped FAN operation may continue for approx 30 seconds h ON OFF C D Select an operation mode with the MODE button One push of the button in each time the display changes in the order shown on the right ste 46 In the defrost mode the fan stops so that air is not HEAT coor f discharged and PRE DEF 9 is displayed Determine the set up temperature by pushing the TEMP or TEMP At shipment button Operation mode Setting range from 161027 Stop Push 2999 button The operation lamp goes off and the operation stops Operation mode and Function COOL Cools the fresh air and sends it into the room HEAT Heats the fresh air and sends it into the room FAN _ Sends the fresh air as it is The air conditioner with the fresh air intake indoor unit controls temperature of the supply air so that it is close to the setup temperature of the remote controller However
101. ndoor unit is connectable to S MMS Super Modular Multi system However this is not connectable to S HRM Super Heat Recovery Multi system and Mini SMMS h OK 0 5m or less JS N A 80 to 100 to capacity of the outdoor units Up to two fresh air intake indoor units occupy 30 or less against total capacity of indoor units Keep the height difference between the fresh air intake indoor units to 0 5m or less The fresh air intake indoor unit is usually used together with the indoor units on one refrigerant cycle of the multi system The fresh air intake indoor unit only cannot be connected The total capacity of the indoor units and the fresh air intake indoor units is restricted to 80 to 100 against the capacity of the outdoor units This restriction should be strictly kept for correct control of the refrigerant Upto two fresh air intake units can be connected on one line of the multi system The allowable total capacity of the two fresh air intake indoor units shall be 3096 or less against the total capacity of the indoor units including the fresh air intake indoor units Connection which stretches over two floors is unavailable N O Height difference 0 5m or more cO 3 SELECTION OF INSTALLATION PLACE A WARNING Install the air conditioner at eno
102. necessary change connection of this lead wire REQUIREMENT When the external static pressure was changed enter the changed static pressure value in the identification plate of the unit Terminal block No Fan motor wiring Remarks F1 Low static pressure tap Blue 50 60Hz F2 Intermediate static pressure tap Orange 50 60Hz At shipment from factory High static pressure tap Black 50 60Hz 45 11 test RUN WARNING Before turning on the power supply carry out the following items To protect the compressor at 1 Using 500V megger check there is 1MQ or more between the starting time keep power ON terminal block of the power supply and the earth If 1MQ or less condition before 12 hours or more is detected do not run the unit 2 Check that all the valves of the outdoor unit are fully opened Never push the electromagnetic contactor to carry out a forced test operation It is very dangerous because a protective device does not work How to execute test operation To carry out a fan operation in a single indoor unit turn off the power once short CN72 on P C board and then turn on the power again Start the unit in FAN mode In this case do not forget to clear short circuit of CN72 after test operation Using the remote controller check the operation in the usual operation For the operation procedure refer to the attached Owner s Manual A forced test operation
103. nection of Ps sensor connector Check Ps sensor error Check compression error of compressor Check 4 way valve error Check outdoor P C board I F error Check SVA circuit error Pd sensor error All stop Output voltage of Pd sensor was zero Sensor Open Pd 4 15MPa during stop of compressor Check connection of Pd sensor connector Check Pd sensor error Check outdoor P C board I F error Indoor other error Corresponding unit only stops Indoor P C board did not operate normally Check indoor P C board error EEPROM error 1 All stop only in case of the header unit Outdoor EEPROM error All stop 1 The follower unit continues operation Outdoor board I F did not operate normally Check power voltage Check power noise Check outdoor P C board I F error Check code Main remote controller Outdoor 7 segment display Check code Sub code Compressor 1 side Compressor 2 side Detected position Check code name Compressor breakdown Status All stop Error detection condition Inverter current detection circuit detected over current and stopped Check item position Check power voltage 220 240 10 Check compressor error Check cause of abnormal overload operation Check outdoor P C board IPDU error Compressor 1 side Compressor 2 side Compressor erro
104. ng PMV1 2 Check SV41 circuit and SV42 circuit error Check low pressure Ps sensor error Check indoor air filter clogging Check valve open of indoor PMV Check refrigerant pipe clogging Check outdoor fan operation In heating mode Check refrigerant shortage Protection for oil level drop detection All stop The operating compressor detected oil shortage continuously for 2 hours Check all the outdoor units in the corresponding line gt Check full opening of service valve of balance pipe Check connection and installation of TK1 TK2 TK3 and TK4 sensors Check characteristics of TK1 TK2 TK3 and TK4 resistance values Check gas leak and oil leak in the same line Check refrigerant stagnation in compressor Check error of SV3A SV3B SV3C SV3D and SV3E valves Check clogging of oil separator oil return circuit Check clogging of oil equation circuit MG SW Magnet Switch OCR Over current Relay Check code Main remote Outdoor 7 segment display controller Check code H08 H08 Sub code 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error Detected position VF Check code name Oil level detective temp sensor error Status stop Error detection condition Resistance value of sensor is infinite or zero Open Short Check item position Check connection of TK1 sensor connector
105. ng the indoor PMV coil set the indoor PMV to the maximum opening For 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 1403 61 10 4 Function Selection Setting for Indoor Air Conditioner For setup be sure to use a wired remote controller Procedure Select a function while the air conditioner stops by RBC AMT31E only CBD 4 SWING FIX VENT Cale Ca UNIT GH 09 lt Operation procedure gt Ts 2 35 4 5 6 END 1 Push G buttons concurrently for 4 seconds or more The unit No firstly displayed indicates the indoor air conditioner address of the master unit of the group control In this time the fans of the selected indoor air conditioners operate 2 Every pushing gt button displays the indoor air conditioner No the group control one by one In this time the fan of the selected indoor air conditioner only operates Using temperature setting Cv A buttons specify the item code DN 4 Using timer time v buttons select a setting data Push 5 button OK if display goes on To change the selected indoor air conditioner return to procedure 2 To change an item to be set up return to procedure 3 6 Pushing gt button enters in the normal stop status 62 Function Select Item No
106. normal high pressure generates in the refriger ating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recovering device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Cabling After repair work surely assemble the disassembled parts and connect and lead the removed cables as before Perform the work so that the cabinet or panel does not catch the inner cables If incorrect assembly or incorrect cable connection was done a disaster such as a leak or fire is caused at user s side After the work has finished be sure to use an insulation tester set 500V mugger to check the resistance is 2MQ or more between the charge section and the non charge metal section Earth position Insulator check If the resistance value is low a disaster such as a leak or electric shock is caused at user s side 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
107. nt 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 m 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 amount 10kg e g charged amount 15kg Room A Room B Room C Room D Room E Y Room 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 NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with th
108. o procedure 2 To change an item to be set up return to procedure 3 TEST 6 Pushing 5 button enters in the normal stop status 2 Wiring Can correspond to up to relay of which rated current of the operation coil is approx 16mA Relay DC12V procured locally CNO032 FAN DRIVE 2P WHI Outside control input of fan Pol a To terminal Indoor control PC board NOTE Restrict wire length between indoor control board and relay within 2m 65 B Leaving on prevention control Function This control controls the indoor air conditioner singly The wire is connected to the control P C board of the indoor air conditioner In group control the wire is connected to the indoor air conditioner Control P C board and set the item code to the connected indoor air conditioner It is used when the external operation is unnecessary but the stop operation is necessary If using a card switch box card lock or etc is used turn off omission of the indoor air conditioner can be prevented When inserting the card ON OFF operation from RBC AMT31E is allowed When pulling off the card the unit stops if the indoor air conditioner operates and Start Stop operation from RBC AMT31E is prohibited 1 Control items 1 External contact is ON ON OFF operation from RBC AMT31E is allowed Status that card is inserted in the card switch box 2 External contact is OFF The unit
109. ols adjustment of projection margin is necessary For this adjustment a copper pipe gauge etc are necessary Note 2 Charging cylinder for R410A is being currently developed General tools Conventional tools can be used In addition to the above exclusive tools the following equipments which serve also for R22 are necessary as the general tools 1 Vacuum pump Screwdriver Use vacuum pump by Spanner or Monkey wrench attaching vacuum pump adapter Hole core drill Torque wrench Hexagon wrench Opposite side 4mm Pipe cutter Tape measure Metal saw Pipe bender Level vial Also prepare the following equipments for other installation method and run check 1 Clamp meter 3 IInsulation resistance tester 2 Thermometer 4 Electroscope 1 OUTLINE FRESH AIR INTAKE INDOOR UNIT Type Concealed Duct High Static Pressure type Three models 5HP 8HP 10HP are prepared Connectable outdoor unit Three series MMY APXXXXT8 APXXXXHT8 APXXXXHT7 of Cooling only and Heat pump super modular multi type outdoor unit Corresponding system Corresponds to a system in which there are the fresh air intake indoor units and the indoor air conditioners For the fresh air intake indoor units up to 2 units for one system and also within 30 to capacity of the connectable indoor air conditioners are allowed B Definition The fresh air intake indoor unit means an air controller for taken in fresh a
110. on Items to be checked Compressor does not Isn t it delaying for 3 minutes 3 minutes after compressor OFF operate Isn t it during thermostat OFF Isn t it during operation of fan or timer Isn t it initial communication of the system Indoor fan does not rotate Isn t the outside temp out of range of use temperature Outdoor fan does not rotate Isn t it under control of cooling low outside air operation or air speed exchanges Isn t defrost function operating Indoor fan does not stop Isn t it under control for waste heat elimination operation when heating opera tion stops Remote controller cannot Isn t it under control operation from outside or remote position use for Start Stop operation s wiring returned to the initial status Are connecting wires of fresh air intake indoor unit and remote controller correct 2 Procedure of trouble diagnoses If a trouble occurred check the unit in the following procedure E28 error Check the check display on the interface P C board of the Check the check display corresponding follower unit on the interface P C board of the header unit Check position or part Trouble in which trouble occurred NOTE In case of malfunction of microcomputer due to power supply circumstance or external noise other than after mentioned check items an incorrect diagnosis can be considered When there is any noise source change wire
111. on the power the incorporated PMV is closed fully and the period until the vacuuming finishes elongates Open fully valves of the outdoor unit Gas leak check Check with a leak detector or soap water whether gas leaks or not from the pipe connecting section or cap of the valve REQUIREMENT Use a leak detector manufactured exclusively for HFC refrigerant R410A R134a etc Heat insulating process Perform heat insulating for pipes at liquid side and gas side separately In cooling time temperature at both liquid and gas sides becomes lower Therefore perform heat insulating process sufficiently to avoid dewing For heat insulator of pipe at gas side be sure to use one with heat resisting temp 120 C or more REQUIREMENT Apply the heat insulation to the pipe connecting section of the indoor unit securely up to the root without exposure of the pipe The pipe exposed to the outside causes water leak Main unit Flare nut Pipe heat Attached heat insulator insulator 8 ELECTRIC WORK A WARNING 1 Using the specified wires ensure to connect the wires and fix wires securely so that the external strength of the wires do not transmit to the connecting part of the terminals Incomplete connection or fixation may cause a fire etc Be sure to connect earth wire Grounding work Do not connect the earth wire to gas pipe city water pipe lightning rod or the earth wire of telephone
112. onditioner No nput of indoor outside error Interlock Abnormal stop by outside error CN80 input ndoor AC fan error Indoor AC fan error was detected Fan motor thermal relay operation Detected indoor air conditioner No ndoor overflow was detected Float switch operated Check code display Remote controller Outdoor 7 segment Sub code Other indoor air conditioner error Representative defective position No main remote controller Communication receive error of remote controller Follower unit of the group cannot operate by E03 L03 L07 L08 alarm of master unit Error contents Signal cannot be received from indoor air conditioner or main remote controller is not set including 2 remote controller control Remote controller communication send error Signal cannot be sent to indoor air conditioner Check code display TCC LINK central Outdoor 7 segment Sub code Duplicated main remote controllers Representative defective position Communication send error of central control system In 2 remote controller control both remote controllers are set as main controller Indoor master unit stops with alarm and follower unit operation continues Error contents Signal of central control system cannot be sent or there are multiple identical central devices AI NET Communication receive error of central control system Si
113. one changes to I zone When the following conditions are satisfied control function resets Reset conditions D TC1 gt 12 and TC2 gt 12 and gt 12 20 minutes passed after stop 3e rese P1 10 C 5 10 Qi OC 14 value When power supply is turned on if the value is under this temperature thermostat is forcedly off The cooling operation is performed as follows based on the detected temperature of TC2 sensor and TCJ sensor When M zone is detected for 45 minutes thermostat is forcedly off In N zone timer counting pauses and is held When shifting to M zone again timer counting restarts and continues When L zone is detected timer is cleared and operation returns to normal operation P2 5 Q2 2 0 Reset conditions D TC1 gt 12 and TC2 gt 12 and TCJ gt 12 20 minutes passed after stop 55 Drain up kit Separately sold kit Outline of specifications 1 In cooling operation including Dry operation the drain pump is usually operated 2 If the float switch operates while drain pump operates the compressor stops the drain pump continues the operation and a check code is output 3 If the float switch operates while drain pump stops the compressor stops and the drain pump operates If the float switch keeps operating for approx 4 minutes a check code is out
114. op Transmission from outdoor to indoor cannot continue for 30 seconds Check outdoor end terminal resistance setup SW30 2 Check the communication connection between indoor and outdoor Duplicated indoor addresses Indoor I F Duplicated indoor addresses All stop Multiple indoor unit address setup are duplicated Check indoor address Check the change of remote controller connection Group individual after setup of indoor address Remote controller Duplicated master remote controllers Corresponding unit only stops In 2 remote controller control including wireless both are setup as master Header indoor unit stops and other indoor unit is operating Check remote controller setup Check remote controller P C board Indoor unit Communication error between indoor P C board assembly Corresponding unit only stops There is any trouble in power line Indoor PC board failure Check code Main remote controller Outdoor 7 segment display Check code Sub code 01 Indoor outdoor communication 02 Between outdoors communication Detected position Check code name Automatic address start error Status All stop Error detection condition When indoor automatic address started other refrigerant circuit System was setting automatic address When outdoor automatic address started indoor automatic address was exe
115. or detects protective operation Protection for oil level drop detection Protective operation is detected by oil level detection temp sensor TK1 to TK4 TK1 sensor error TK2 sensor error sensor error TK4 sensor error Oil level detection temp sensor TK1 to TK4 error Open Short of oil level detection temp sensor TK1 to TK4 is detected Compressor 2 case thermostat operation Case thermostat of compressor 2 performs protective operation TK1 oil circuit system error TK2 oil circuit system error TKS oil circuit system error TK4 oil circuit system error Oil level detection circuit system error 71 Temperature change of oil level detection temp sensor TK1 to TK4 cannot be detected though compressor started the operation Check code display Outdoor 7 segment Sub code TCC LINK central amp Remote controller Representative defective position Duplication of outdoor line addresses Error contents Line address setup is duplicated against outdoor unit in different refrigerant pipe line No of indoor units with priority Duplicated indoor units with priority Displayed in indoor unit with priority There are multiple indoor units with priority against indoor unit with priority L05 L06 by single display Duplicated indoor units with priority Displayed on the unit other than indoor unit with priority There are multipl
116. orced thermostat OFF The thermostat is forcedly off by outdoor suction temperature TA COOL At TA 19 C e HEAT At TA gt 15 or TA lt 59 The thermostat is forcedly off by outdoor suction temperature TA and remote controller setting temperature TS e COOL At TA lt TS 3 C e HEAT AtTA gt TS 3 C Forced fan OFF The thermostat is forcedly off by outdoor suction temperature TA e COOL FAN At TA lt 5 C e HEAT At TA lt 59 After fan OFF status continued for 60 minutes turn on the fan for 1 minute The forced fan OFF status continues or released by outdoor suction temperature TA in this time lt Release conditions gt e COOL FAN At TA gt 5 C HEAT At TA gt 5 Other forced fan OFF release conditions Operation stop Operation mode exchange Test run mode Operation mode Outside temp Operation ready display Freeze preventive control Low temperature release Outline of specifications 1 The cooling operation is performed as follows based on the detected temperature of TC1 sensor TC2 sensor and TCJ sensor When J zone is detected for 5 minutes thermostat is forcedly off n K zone timer counting pauses and is held When J zone is detected timer is cleared and returns to normal operation e f thermostat is forcedly off by continuation of J zone indoor fan only operates until z
117. p wiring of the terminal boards A and B of the replaced indoor air conditioner and then mount the remote controller only E Take off all CN41 connectors of the indoor air conditioners the Group wiring same group except the indoor Group wiring Remote controller air conditioner to be replaced Remote controller Be sure to return the tentatively removed group wiring or CN41 connector to the original positions after finish of operation 92 Write in operation of setting contents to EEPROM 1 EEPROM setting contents mounted on the service P C board are those at shipment from factory Push 5 amp 5 buttons concurrently for 4 seconds or more on the remote controller 1 Corresponded to numbers in p 94 Remote controller operation diagram 444 is displayed for UNIT No In this time the item code DN displays Z The fan of the indoor air conditioner operates Using TEMP CY CA buttons the item code DN is increased decreased one by one 3 Remote controller operation diagram 2 3 Firstly set type and capacity of the indoor air conditioner The data at shipment from the factory is written in EEPROM by changing type and capacity a Set the item code DN Z As it is b Set the type by TIME v buttons 4 Fr
118. passed and then displays it on LCD Clears the estimate timer when received filter reset signal from remote controller In this time if the specified time has passed resets the measured time and erases the LCD display 56 Outline of specifications Remarks Operation stand by Ready stand by gt displayed on the remote control Operation stand by Heating stand by ler display display 1 When the following check codes are indicated e There is an indoor air conditioner which detected indoor overflow P10 There is an indoor air conditioner which detected interlock warning L30 2 During forced thermo OFF COOL operation is unavailable because other indoor air conditioner operates in HEAT mode COOL priority setting Outdoor I F P C board SW11 bit1 is ON is made and other indoor air conditioner operates in COOL DRY mode Therefore HEAT operation is unavailable 3 When fan stops by forced fan OFF control 4 The above indoor air conditioners unavailable to operate enter in Standby status with thermo OFF HEAT stand by gt displayed the remote controller Heating stand by 1 Defrosting display Indoor fan stops because unit is under defrost operation Central control 1 The remote controller at indoor air conditioner side In central control mode mode selection becomes able to select the operable contents of Central control display the unit by setup
119. put Remarks Check code P10 Cooling oil Refrigerant recovery control When the indoor air conditioner which stops in which thermostat is off or which operates FAN performs the following control by receiving the cooling oil refrigerant recovery signal from the outdoor unit Opens PMV of the indoor air conditioner with certain opening angle Recovery operation is usually performed every 2 hours Heating refrigerant oil recovery control When the indoor air conditioner which stops in which thermostat is off or which operates FAN performs the following control by receiving the heating refrigerant oil recovery signal from the outdoor unit D Opens PMV of the indoor air conditioner with certain opening angle Detects temperature of TC2 and closes PMV Recovery operation is usually performed every 1 hour Short intermittent operation compen sation control 1 For 5 minutes after start of operation the operation continues forcedly even if entering in thermostat OFF condition 2 However cooling heating selection operation ready and protective control are given with priority and thermostat is turned off Remained heat elimination 1 If stopped from HEAT operation the indoor fan operates for approx 30 seconds Filter sign display Estimates operation time of the indoor fan sends the filter exchange signal to remote controller when the specified time 2500H
120. r lock MG SW error OCR operation Over current was detected several seconds after header compressor had started Check compressor error Check power voltage AC380 10 415V 10 Check cable of compressor and phase missing Check connector terminal connection on IPDU P C board Check conduction of case heater Check activation error due to liquid stagnation in compressor Check outdoor P C board IPDU error Check outdoor MG SW or OCR Compressor 1 side Compressor 2 side Current detection circuit system error All stop While header compressor stopped current flowed more than the specified current and was detected Check cabling of current detection circuit system Check outdoor P C board IPDU error Compressor 1 case thermo operation All stop Compressor 1 case thermostat performed protective operation Check compressor 1 case thermo circuit Connector cable P C board Check full opening of service valve Gas and liquid side Check outdoor PMV clogging PMV1 2 Check SV41 circuit leakage Check miscabling misinstallation of SV41 and SV42 Check valve open status of indoor PMV Check compressor error Check 4 way valve error Check refrigerant shortage Low pressure protective operation All stop Low pressure Ps detected operation lower than 0 02MPa Check full opening of service valve Gas and liquid side Check outdoor PMV cloggi
121. r P C board I F IPDU Fan IPDU error Fan PDE error Check external noise Si EDU E ue erar Check power supply P C board for fan error All IPDU error or communication error between IPDU and I F P C board or outdoor I F P C board error Indoor unit Indoor TCJ sensor error Corresponding Resistance value of sensor is infinite or Check connection cabling of TCJ sensor connector unit only stops zero Open Short Check characteristics of TCJ sensor resistance value Check indoor P C board error Indoor unit Indoor TC2 sensor error Corresponding Resistance value of sensor is infinite or Check connection cabling of TC2 sensor connector unit only stops zero Open Short Check characteristics of TC2 sensor resistance value Check indoor P C board error Indoor unit Indoor TC1 sensor error Corresponding Resistance value of sensor is infinite or Check connection cabling of TC1 sensor connector unit only stops zero Open Short Check characteristics of TC1 sensor resistance value Check indoor P C board error TD1 sensor error All stop Resistance value of sensor is infinite or Check connection of TD1 sensor connector zero Open Short Check characteristics of TD1 sensor resistance value Check outdoor P C board I F error TD2 sensor error All stop Resistance value of sensor is infinite or Check connection of TD2 sensor connector zero Open Short Check characterist
122. r conditioner singly without communication with the remote controller or outdoor unit This function is available regardless of system ON or system OFF However a trouble of the equipment may be caused if using this function for a long time Use this function for approx several minutes as a standard Operation 1 Short cut CHK pin CN71 on indoor P C board In this time the operation mode differs according to status of the indoor air conditioner Normal time Float SW and fan motor are normal Abnormal time Either float SW or fan motor is abnormal A float switch is not provided on the fresh air intake indoor unit The short plugs for the float switch are already inserted at shipment from the factory Restricted to the normal time if DISP pin CN72 on indoor P C board is short cut in addition to short circuited CHK pin CN71 on indoor P C board you can set opening of indoor PMV only to the minimum opening 30pls Opening DISP pin sets opening to the maximum opening 1500pls again 259 Releasing Open the CHK pin While the system is operating it stops once but resets automatically after several minutes CHK pin short circuit Normal time Abnormal time DISP pin open DISP pin short circuit Fan motor ON ON OFF Indoor PMV Max opening 1500pls Min opening 30pls Min opening 30pls Communication All ignored All ignored All ignored P C board LED Go on Go on Flash When replaci
123. ration can be selected from the following three types OFF timer The operation stops after the set time has passed Repeat OFF timer Every time the operation stops after the set time has passed ON timer The operation starts after the set time has passed Timer operation DON OFF MODE VENT Ca FILTER RESET TEST Push TIMER SET button push of the button Repeat OFF timer ON timer The timer display type changes every CIE NN OFF timer R SET DATA and timer time displays flash No display Push Gv a to select SET TIME For every push of A button the set time increases in the unit of 0 5 hr 30 minutes The maximum set time is 168 hr For every push of Y button the set time decreases in the unit of 0 5 hr 30 minutes The minimum set time is 0 5 hr Push SET button display disappears and timer time display goes on When ON timer is activated timer time ON timer are displayed and other displays disappear Clear of timer operation 4 Push CL button TIMER display disappears NOTICE Repeat OFF timer set once resumes So start again stop by same timer For cancel timer push button 5 INSTALLATION MANUAL Accessory parts and Parts to be procured locally O Accessory parts Part name Installation Manual This manual Be sure to hand over to customers For heat insulation of Gas pipe connecting section For heat insulatio
124. ration 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 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 Wheth dono new equipment tional equipment for 410 be used equipment can be used Flare tool Pipe flaring Copper pipe gauge for Flaring by conventional adjusting projection margin flare tool Torque wrench Connection of flare nut Gauge manifold Evacuating refrigerant Charge hose charge run check etc Vacuum pump adapter Vacuum evacuating Electronic balance for refrigerant charging Refrigerant charge ojoccoe o Refrigerant cylinder Refrigerant charge Leakage detector Gas leakage check Charging cylinder Refrigerant charge Note 1 When flaring is carried out for R410A using the conventional flare to
125. rd value of detection circuit of fan IPDU current fluctuated at start time Check fan IPDU error Sub code 3 Abnormal current was detected within 30 seconds after start time Check fan motor Lock phase missing Check cause of abnormal overload at start time Check connection of connector to fan motor Sub code 4 Short circuit current was detected when 2 seconds or more passed after start time Over current was detected when 30 seconds or more passed after start time Check power supply voltage Check fan IPDU error All stop Sub code C Heat sink sensor TH of fan IPDU detected 95 C error Check outdoor fan system Check fan IPDU error Check fixation between fan IPDU and heat sink All stop Sub code D Heat sink sensor TH of fan IPDU detected short circuiting or open Check fan IPDU error All stop Sub code E nput power supply voltage of the fan IPDU over the setup value was detected Input power supply terminal of the fan IPDU was unconnected Power supply P C board error of the fan IPDU Check input power supply voltage of the fan IPDU Check power supply P C board error of the fan IPDU Check error of external electrolytic condenser 01 Compressor 1 side 02 Compressor 2 side G Tr short circuit protection error All stop Instantaneous over current was detected when compressor started Check connector conn
126. ried out Timer time display While this indication is displayed the indoor fan Set time by the timer is displayed Stops When a trouble occurs the check code is dis 14 played No function display Displayed if there is no function even if the Timer SETIN setup display button is pushed When pushing the Timer SET button the display of the timer is selected in order of OFF gt 15 ial OFF repeat OFF timer gt ON ES air E s A MIGNE res intake No display indoor unit displays 4 only 6 Filter display 16 TEST run display If FILTER fff is displayed clean the air filter Dishlayed during 7 UP DOWN grille display 8 ventilator operation display This function is not provided to an air conditioner 9 Louver position display with fresh air intake indoor unit Operation section Push each button to select a desired operation The details of the operation needs to be set up once the same states are used by pushing button 5 6 Fan mode button The fresh air intake indoor unit operates in HIGH 8 mode only Timer set button TIMER SET button is used when the timer is set up Check button CHECK button is used for check operation During normal operation do not use this button Fan button FAN button is used when a fan that is sold on the market or etc is connected When No function Q is displayed on
127. rigerant is azeotropic mixture type refrigerant Therefore use liquid type to charge the refrigerant If using gas for charging composition of the refriger ant 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 material 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 lt Flare nut gt Use the flare nuts which are attached to the air conditioner unit 2 Joint The flare joint and socket joint are used for NOTE joints of the copper pipe The expression Air conditioner described in The joints are rarely used for installation of the REFRIGERANT R410A means Air Condi the air conditioner tioner Fresh Air Intake Indoor Unit However clear impurities when using them 4 Tools 1 Required Tools for R410A Mixing of different types of oil may cause a trouble such as gene
128. roller cannot operate the fresh air intake indoor unit air conditioner together with the indoor units for air conditioner If the operation contents have been set up once the air conditioner can be operated according to the setup contents by pushing only ON OFF button The two fresh air intake indoor units at the maximum can be connected to one refrigerating cycle Display section All display items are shown in right figure for the explanation l gum o INS dz Displ Only selected contents are displayed in actual operation Jis oo c SENON When turning on the leakage breaker at the first time SET DATA flashes on the display part of the remote controller ere e eel While this display is flashing the model is being automatically A Cx Operation confirmed Accordingly wait for a while after SET DATA display am Cad section has disappeared and then use the remote controller 2 3 5 7 SET DATA display 10 SWING display Displayed during setup a timer 1 1 Set up temperature display Operation mode display HEAT COOL FAN The selected setup supply air temp is displayed The selected operation mode is displayed 12 CHECK display 13 Displayed while the protective device works or a trouble occurs Remote controller sensor display PRE HEAT display Displayed when the heating operation starts or defrosts operation is car
129. s are used for the Indoor Outdoor inter unit wiring and Central controller wiring To prevent noise trouble use 2 core shield wire The length of the communication line means the total length of the inter unit wire length between indoor and outdoor units added with the central control system wire length Remote controller wiring 4 2 core with non polarity wire is used for wiring of the remote controller wiring and group remote controllers wiring Remote controller wiring remote controller inter unit wiring Twist wire 0 5mm to 2 0mm x 2 Total wire length of remote controller wiring and remote controller inter unit wiring L L1 L2 Ln In case of wired type only Up to 500m Total wire length of remote controller inter unit wiring L1 L2 Ln Up to 200m CAUTION The remote controller group connection between the fresh air intake indoor unit and the usual air conditioner unit is impossible The remote controller wire Communication line and AC220 240V wires cannot be parallel to contact each other and cannot be stored in the same conduits If doing so a trouble may be caused on the control system due to noise etc Group control between the fresh air intake indoor unit and the normal air conditioner unit is impossible Indoor unit unit Indoor unit unit Indoor unit unit Fresh air intake Fresh air intake indoor unit indoor unit Remote Remote controller
130. s little it is dangerous because overheat or seizure may be caused For specifications of the power capacity of the outdoor unit and the power supply wires refer to the Installation Manual attached to the outdoor unit Power supply 220 240 50Hz 220V 60Hz Power supply switch Earth leakage breaker or power supply wiring fuse rating for Power supply 1 indoor units should be selected by the accummulated total current values of the indoor units Below 20m Twist wire 2 0 mm P ly wiri Below 50m Twist wire 3 5 mm Up to 1000m Twist wire 1 25 mm Up to 2000m Twist wire 2 00 mm Up to 1000m Twist wire 1 25 mm Up to 2000m Twist wire 2 00 mm Indoor Outdoor inter unit wiring 2 Wire si 2 cables Ire size JR Central control line wiring 3 ONE Communication line 2 cables Wire size Remote controller wiring 4 PaE 2 cables Wire size Twist wire 0 5 to 2 0 mm Indoor unit power supply 1 For the power supply of the indoor unit prepare the exclusive power supply separated from that of the outdoor unit Arrange the power supply earth leakage breaker and main switch of the indoor unit connected to the same outdoor unit so that they are commonly used Power supply cord specification Cable 3 core 2 5mm in conformity with Design 60245 IEC 57 Indoor Outdoor inter unit wiring Central controller wiring 2 3 2 core with polarity wire
131. s of remote controller and signals to shield wires 69 11 2 Checking Method On the remote controller Handy type For Central control and the interface P C board of the outdoor unit LCD display part Remote controller to display the operation status or 7 segment display part On the outdoor interface P C board is provided Using this self diagnosis function the judgment method of defective air conditioner or troubled position when a trouble occurred is described below The following table lists each check code that each device detects Confirm the check contents according to the checked position in the following table Check from indoor remote controller or TCC LINK central controller Refer to Remote controller amp TCC LINK central display Check from outdoor unit Refer to Dutdoor segment display Detection by fresh air intake unit Check code display TCC LINK central amp remote controller Outdoor 7 segment Sub code Representative defective position Regular communication error between indoor and remote controller Check code display list Indoor air conditioner Error contents No communication from remote controller and network adapter No communication of central control system Regular communication error between indoor and outdoor units No communication from outdoor unit Duplicated indoor unit Nos Duplicated indoor units Detection of address same to self ad
132. setup of the indoor unit if necessary To change the setup use the main remote controller wired remote controller The setup change for wireless remote controller sub remote controller or remote controller less system Central control remote controller only is provided is impossible In these cases prepare and mount a separate main remote controller Exchange of applicable control setup Basic operation procedure for setup exchange Change the setup while operation of the equipment stops Be sure to stop the operation of a set Cr Procedure Description When pushing 5 S buttons simultaneously for 4 seconds or more after a while the display part flashes as shown in the figure Check that the displayed item code is 10 If the item code indicates other than 10 push 6 button to erase the display and then retry the operation from the first step For some time after es button has been pushed the operation of the remote controller cannot be accepted In a group control the firstly displayed indoor unit No becomes the center unit The display changes according to the indoor unit model Every pushing button the indoor unit No in the group control is displayed successively Select an indoor unit of which setup to be changed In this time the position of the indoor unit of which setup to be changed can be confirmed because the fan and the flap of the selecte
133. stallation of SV41 and SV42 01 Compressor 1 side 02 Compressor 2 side Actuation of high pressure SW All stop High pressure SW actuated Check Pd pressure sensor error Check full opening of outdoor service valves Gas side Liquid side Check outdoor fan error Check outdoor fan motor error Check clogging of outdoor PMV PMV1 2 Check clogging of indoor outdoor heat exchangers Check short circuiting of outdoor suction discharge air Check clogging of SV2 circuit Check outdoor P C board I F error Check indoor fan system error Cause of air volume decrease Check opening of indoor PMV Check miscabling of communication line between indoor and outdoor Check operation error of check valve of discharge pipe Check SV4 valve circuit Check refrigerant overcharge 01 Power supply open phase 02 Power supply negative phase 01 Compressor 1 side 02 Compressor 2 side IPDU I F Open phase negative phase Heat sink overheat error All stop Open phase was detected when the power turned on Negative phase was detected when the power turned on IGBT built in temp sensor TH was overheated Check outdoor power line Check outdoor P C board I F error Check power voltage Check outdoor fan system error Check clogging of heat sink cooling duct Check fixation between IGBT and heat sink Check screwing and contact Check IPDU error IGBT built
134. t Type 0018 Fresh air intake unit Duct type Indoor air conditioner capacity According to capacity type Line address 0099 Undefined Indoor air conditioner address 0099 Undefined Group address 0099 Undefined Power failure automatic reset 0000 None Option Abnormal input CN70 selection HA terminal T10 selection 0000 Normal Drain pump control 0001 Drain pump ON Timer setting Wired remote controller 0000 Possible Fan OFF in defrosting time Type Item code 10 1 way Air Discharge Cassette 4 way Air Discharge Cassette 2 way Air Discharge Cassette 1 way Air Discharge Cassette Compact type Concealed Duct Standard Slim Duct Concealed Duct High Static Pressure Under Ceiling High Wall Floor Standing Cabinet MML AP tcekH Floor Standing Concealed Floor Standing Below 6HP Compact 4 way Air Discharge Cassette 0001 To OFF Indoor air conditioner capacity Item code 11 Invalid E Setup data Model 007 type 048 type 056 type 009 type 012 type 072 type 015 type 096 type 018 type 024 type 027 type 030 type Fresh air intake indoor unit Duct type 036 type nitial setup value of EEPROM installed on the service P C board 17 1 71 1
135. ter dia O32mm Thickness 10mm or more Check the water drainage is surely performed at the trial When not securing down slope on the drain pipe use a operation Check also no water leakage is found at the drain up kit sold separately pipe connecting part Also refer to the Drain up kit installation manual Service plate Check the draining After drain piping work check that water drain is properly performed and water does not leak from the connecting part of the pipes In this time check also there is no abnormal sound of the motor of the drain pump Be sure to check draining when installed in the heating Pour water into the drain pan using hose etc period REQUIREMENT Be sure to check draining even if installing the unit in heating season Using a kettle or hose pour water gradually from the drain pan at the air supply port REFRIGERANT PIPING A WARNING If refrigerant gas has leaked during the installation work ventilate the room immediately If the leaked refrigerant gas comes in contact with fire noxious gas may generate After the installation work confirm that refrigerant gas does not leak If refrigerant gas leaks into the room and flows near a fire source such as a cooking range noxious gas may generate REQUIREMENT When the refrigerant pipe is long set the support brackets to fix the pipe with 2 5 to 3m intervals If the pipe is not fixed abnormal sound may generate Be sur
136. tilating fan is available even if the indoor air conditioner does not operate Use a ventilating fan which can receive the no voltage A contact as external input signal n group control all the units are batched and each unit cannot be singly operated 1 Operation Operate the wired remote controller switch in the following procedure Operation should be performed during stop of the unit Be sure to execute setting to the master unit Same in group control In group control both master and follower units become available to operate when setting up to the master unit 1 Push G 5 buttons concurrently for 4 seconds or more The unit No firstly displayed indicates the indoor air conditioner address of the master unit of the group control In this time the fans of the selected indoor air conditioners operate 2 Every pushing lt gt button displays the indoor air conditioner No the group control one by one In this time the fan of the selected indoor air conditioner only operates Using temperature setting buttons specify the item code 7 SU 4 Using timer time buttons select a setting data At shipment wou Setting data is as follows Setting data Operation of total enthalpy heat exchanger or ventilating fan SU wos Unavailable At shipment DUO Available 5 Push 5 button OK if display goes on To change the selected indoor air conditioner return t
137. ting operation 3 Cooling refrigerant oil recovery function Heating refrigerant oil recovery function 4 Connector CN104 2P Yellow 1 For detection of outdoor suction temperature Connector CN100 3P Brown 1 For super heat control of PMV in cooling operation Connector CN101 2P Black Temperature sensor E 1 For under cool control of PMV in heating operation Connector CN102 2P Red 1 For super heat control of PMV in cooling operation Connector CN103 2P Green 1 For detection of discharge temperature 9 CONTROL OUTLINE 9 1 Control Specifications Outline of specifications Remarks When power 1 Distinction of outdoor units supply is reset When the power supply is reset the outdoor units are distinguished and control is selected according to the distinguished result 2 If the power supply is reset while a trouble occurs the check code is once cleared When abnormal status continues even if operation restarted by pushing ON OFF button of the remote controller the check code is displayed again on the remote controller Operation 1 Based on the operation select command the opera selection tion mode is selected Command from remote controller Control outline Fresh air intake indoor unit stops Fan operation Cooling operation Heating operation DRY or AUTO mode cannot be selected Remote 1 Adjustment range contro
138. ugh strong place to withstand the weight of the unit If the strength is not enough the unit may fall down resulting in injury Install the air conditioner at a height 2 5m or more from the floor If you insert your hands or others directly into the unit while the air conditioner operates it is dangerous because you may contact with revolving fan or active electricity A CAUTION Upon approval of the customer install the air conditioner in a place that satisfies the following conditions Place where the unit can be installed horizontally In the process after removing the ceiling panel it important to reinforce the groundwork framework and keep a level correctly of the existing ceiling to prevent vibration of the ceiling panel Place where a sufficient servicing space can be ensured for safety maintenance and check Place where drained water will not cause any problem Avoid installing in the following places Place exposed to air with high salt content seaside area or place exposed to large quantities of sulfide gas hot spring Should the unit be used in these places special protective measures are needed Place exposed to oil vapor oil smoke or corrosive gas Place where organic solvent is used nearby Place close to a machine generating high frequency or place such as a factory where the voltage frequently varies Place where the discharged air blows directly into the window of the neighboring house For o
139. urrently for 4 seconds or more to call the service monitor mode The service monitor goes on and firstly tem perature of the item code is displayed 2 172 buttons to change item No to one item code of the item to be monitored For display codes see the following table 2 Push es button to change the item to be 4 monitored and then monitor the sensor temperature or operation status of the indoor air conditioner and the outdoor 7 unit in the refrigerant line ON OFF Cu MODE VENT Returns to usual display 9 Operation procedure TEST 4 Pushing gt button returns displ h A play to the usual display 1 gt 2 3 4 5 Display type Inlet air temp from outside TA Compressor 1 discharge temp Td1 Room temp Remote controller Compressor 1 discharge temp Td2 High pressure sensor detection pressure Pd Display Data name type Data name Low pressure sensor detection pressure Ps Suction temp TS Outdoor coil temp TE Temp at liquid side TL External temp TO Indoor blow off temp TF 5 o 9 5 o c Indoor PMV opening Low pressure saturation temp TU Connected No of indoor air Compressor 1 current I1 conditioners Compressor 2 current I2 Total HP of connected in
140. utdoor unit Place where noise of the outdoor unit is easily transmitted When installing the air conditioner on the boundary with the neighbor pay due attention to the level of noise Place with poor ventilation Before air ducting work check whether value of air volume static pressure and duct resistance are correct Do not install this air conditioner on a vessel or a vehicle including train To avoid a trouble caused by vibration and so on Do not install the fresh air intake indoor units at outdoors or under the eaves 23 Installation space Keep the space necessary for installation and service REQUIREMENT 1 Before installation of the unit mount the accessories sold separately Drain up kit etc to the unit In addition to the air inlet panel set also the check port at the side face 2 The check port should be 600 x 600mm 200mm or more Electric parts box Check port 1000mm or more Check port 600 Installation under atmosphere of the high humidity Although it has been confirmed that no trouble occurs on the unit there is a fear of drip of the water if operation under high humidity condition continues In some cases including the rainy season especially inside of the ceiling may become high humidity atmosphere dew point temperature 30 C humidity 80 or higher 1 Installation to inside of the ceiling with tiles on the roof 2 Installation to inside of the ceil
141. y described below to perform operation and confirmation an error occurred When an error generated on the air conditioner the error history can be confirmed in the following proce dure Up to 4 errors history is stored in memory It can be confirmed from operation status or stop status Procedure Confirmation should be performed during stop of the system 1 Push 5 5 buttons concurrently for 4 minutes or more to call the service check mode The service check goes on the item code l is firstly displayed and then the contents of the latest alarm are displayed The indoor air conditioner No in which alarm generated and the alarm contents are displayed 2 monitor other error history push TEMP GE buttons to change the error history No Item code Item code Z Latest Item code 4 Old 2 FAN MODE CD C NOTE Four error histories are stored in memory B SWING FIX VENT Cr ce 2 3 3 Pushing 2 button returns the display to the normal display 1 lt Requirement gt Returns to the normal display Do not push C5 button otherwise all the error histories Operation procedure of the indoor air conditioners are deleted 1 5 2 i 3 How to read the check monitor display lt 7 segment display gt Vito uuu LUE CY Reading 0 1 2 3 4 5 6 7 8 9 A b C d E F H J L um

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