TECHNICAL & SERVICE MANUALSPLIT-TYPE, COOLING AIR CONDITIONERSCONTENTS1. FEATURES ···········································22. PART NAMES AND FU
10Cooling capacityNotes:1.T.C. : Total capacity (xkW)...Btu/h=(W)x0.86C.F. (T.I.) : Correction factors of Total input + Outdoor unit input)2.(oF)=32+9
112. STANDARD OPERATION DATA3. OUTLET AIR SPEED AND COVERAGE RANGECapacityInputIndoor unit Service Ref.phase, HzVoltsAmperesOutdoor unit Service Ref.p
125OUTLINES AND DIMENSIONS1. INDOOR UNITPC-2GJA11802101571585182 (3/8F) liquid201 (5/8F) gas241 (Drainage)Air intake918254680Electrica
13PC-2.5GJA1PC-3GJA11240 (suspension bolt pitch)140150320 80177061290121421018081 761310Air outlet1228680254Air intake8518220124115157(3/8F liquid)(5/
141228680254Air intake121427020781 961310Air outlet1240 (suspension bolt pitch)140150320 80177068718219824516217(3/8F liquid)(5/8F gas)(Drainage) 3285
151535680254Air intake152427020781 961620Air outlet1547(suspension bolt pitch)140150320 80187068718219824516217(3/8F liquid)(3/4F gas)(Drainage) 32851
162.REMOTE CONTROLLERRemote controller cable installationMITSUBISHI ELECTRIC121110987654321292827262524232221201918TIMER TEMPTIMER/TEMP.UPDOWNPOWERCOO
17WIRING DIAGRAM6SWCSWAOPSTD123CNPD.U.M31X1X1CN120LD9LD6SW4LD24SW8LD23LD22LD21LD20LD19LD18LD17LD16LD15LD14LD13LD12LD11LD10LD5LD4LD3LD1LD7SW7SW6SW5SW3L
187 REFRIGERANT SYSTEM DIAGRAMIndoor heatexchangerIndoor coilthermistorRT2Distributorwith strainerOutdoor heatexchangerBall valve (with service port)F
19ThermalswitchIndoor heatexchangerDistributorwith strainerFlaredconnectionFlexible tubeCompressor : flow of refrigerant FlaredconnectionHigh pressure
21FEATURES1. ADVANCED REMOTE CONTROLLER(1) Ultra-thin 12mm (1/2”) remote controllerThe streamelined, square controller is designed to blend with any i
208 OPERATION FLOW-CHARTModels : PC-GJA1. Main operation1StartPOWER SUPPLYLiveON/OFFbutton ONTIMER MODEbutton ONDuringoperationAUTO STOP lamp ON AUT
21COOL operationInitialCOOLINGNONONONONOYESYESYESYESYESNOYESYESYESYESYESYESYESYESYESYESYESNONONONOYESNONONONONONONONONOVane initialsettingFan speedLOW
22w8—9 Refer to page 24~25.w12 When room temperature is 18°C or below, the compressor cannot operate.When room temperature rises over 18°C, the compre
23MICROPROCESSOR CONTROL9MITSUBISHI ELECTRIC121110987654321292827262524232221201918TIMER TEMPTIMER/TEMP.UPDOWNPOWERCOOLON/OFFLOUVER MODESELECTFANSPEED
242. INDOOR UNIT CONTROL2-1COOL operation(1) Compressor control1 3-minute time delayTo prevent overload, the compressor will not start within 3 minute
25<Termination conditions>Coil frost protection is released when the start condition is not satisfied again during the allowance, or when the CO
26<Timer function>AUTO STOP ·········The air conditioner stops after the set time lapses.AUTO START ········The air conditioner starts after the
272-5 Test runThe unit starts the test run by pressing both the UP and DOWN buttons simultaneously for more than two seconds duringlamp ON or the unit
282-8 Function of jumper wire and dipswitch on indoor controller board1. Jumper wire1 JR1...Jumper wire for the auto vanes.Cut JR01 for the unit WITHO
29TROUBLESHOOTING101. self-diagnostic function! When trouble occurs during operation, the unit stops and enters the self-diagnostic mode, and displays
1 Removed the knockout work by separating the piping spacefrom the air outlet for efficiency of the piping work.w Knockout work is needed for the top
3011DISASSEMBLY PROCEDUREOPERATING PROCEDURE PHOTOS&ILLUSTRATIONS1. Removing the air intake grill (1) Slide the intake grill holding knobs (at tw
31Figure 25. Removing the side panel(1) Remove the air intake grill.(2) Remove the screw from the side panel, and remove theside panel by sliding the
32OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS6. Removing the vane motor (1) Remove the air intake.(2) Remove the left side panel.(3) Remove the rela
33OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS9. Removing the drain pan (1) Remove the air intake grill.(2) Remove the beam.(3) Remove the side panel
34OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS12. Removing the heat exchanger(1) Remove the air intake grill.(2) Remove the beam.(3) Remove the side p
35No.Part No. Part Name SpecificationPC-2GJA, GJA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set PricePart numbers that are circled
36No.Part No. Part Name SpecificationPC-2.5GJA,GJA1 GJA,GJA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set PricePart numbers that a
37No.Part No. Part Name SpecificationPC-4GJSA, GJSA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set Price123456789101112131415161718
3812104·151813141916111720No.Part No. Part Name SpecificationPC-5GJSA,GJSA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set Price1234
39No.Part No. Part NameSpecificationPC-2GJAGJA1PC-2.5/3GJAGJA1PC-4GJSAGJSA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set Price1234
PART NAMES AND FUNCTION24Air outletIntake grilleAir intakeLeft/right guide vanesChange the direction of airflowfrom the horizontal blower.Long-life fi
40STRUCTURAL PARTSPC-2GJAPC-2GJA12 19 13 15 4 12 1624517789 6 27 3 2025261181423111028
41No.Part No. Part NameSpecificationPC-2GJA, GJA1WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set PricePart numbers that are circled
42STRUCTURAL PARTSPC-2.5GJA / PC-3GJAPC-4GJSAPC-2.5GJA1 / PC-3GJA1PC-4GJSA118423 896327 192625221172410515271214131116
43No.Part No. Part NameSpecificationPC-2.5/3WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set PricePart numbers that are circled not s
44STRUCTURAL PARTSPC-5GJSA/PC-6GJSAPC-5GJSA1/PC-6GJSA1225418897532128127192615241012142016112917613
45No.Part No. Part NameSpecificationPC-5/6WiringDiagramSymbolRecom-mendedQ'tyUnitAmountQ'ty / set PricePart numbers that are circled not sho
4613OPTIONAL PARTSNote 1. How to connect refrigerant pipes.Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric
47BACKACTIVEBYPASSPOWERON/OFFDUALCENTRALAHEADMITSUBISHI ELECTRICENGAGEDGROUPACTIVE BYPASSGROUPSELECTIONPROGRAMTIMERCONTROLLEROPERATIONDUAL CENTRAL1234
48ANET(Y)(W) (R) (O)(BR)5AAPOWERSUPPLYNEFuse(5A)Tie-lapWiring has to be changed when a 200,230 or 240V power is used.Tie-lapTRANSFORMERTransmissionTE
494. Set the address number (from SW1-1 to SW1-6) inthe dipswitch when a centralized remote controller isbeing used. The address is the control number
5● Remote controllerSettings remain in effect until changed. Airconditioner can be operated by simply pushingON/OFF button once settings have beenmade
505. PROGRAM TIMER ADAPTERThis adapter is needed when a program timer(PAC-815PT)or a centralized remote controller(PAC-805RC)is used.5-2 Connection me
51BRNREDORNYLWGRNJSTXHP-3BRNREDORNYLWGRN552<Wiring>CN51connector (5P)51GREENYELLOWORANGEREDBROWNElectrical insulation is needed.Optional multipl
HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYOcCopyright 1997 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Issued in
63SPECIFICATIONSNotes : w1. Rating condition (JISB8616)Indoor : 27OC (80OF) D.B., 19OC (66OF) W.B.Outdoor : 35OC (95OF) D.B., 24OC (75OF) W.B.Refriger
7Service Ref.External finishFan motor outputAirflow Lo-HiExternal static pressureOperation control & ThermostatNoise level Low-HighCond. drain con
83. ELECTRICAL SPECIFICATIONSRating conditions — JIS B8616 Indoor : 27°C (80°F) D.B., 19°C (66°F) W.B.Outdoor : 35°C (95°F) D.B., 24°C(75°F) W.B.Seris
9DATA41. PERFORMANCE DATACooling capacity 50HzCooling Capacity Correction Factors 50HzService Ref.Refrigerant piping length (one way)5m(16ft) 10m(33ft
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