Mitsubishi Electric PKA-RP60KAL Service Manual Page 1

SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSSPLIT-TYPE, AIR CONDITIONERSNOTE:• This manual describes only service data of the indoor units.• R

10Thermistor TH2Pipe temperature(Liquid)Distributorwith strainer (#50/#100)Thermistor TH5(Cond./ Eva.temperature)Thermistor TH1(Room temperature)Refri

11<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged and displayed on t

12• "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's dis-play has stopped before c

13[Output pattern A] Errors detected by indoor unit[Output pattern B]E9*1 If the beeper does not sound again after the initial 2 beeps to confirm the

14•If the unit cannot be operated properly after test run, refer to the following table to find the cause.SymptomCauseWired remote controller LED 1, 2

159-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeAb

16Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is oper-ating1 Freezing protection (Cooling mode)

17Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor / Condenser-Evaporator (TH5)1 The unit is in 3-minute

18E6E7Error CodeAbnormal point and detection method CauseCountermeasureFbE1orE21 Contact failure, short circuit or, miswiring (converse wiring) of ind

199-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller.PhenomenaCauseCountermeasu

21REFERENCE MANUALService Ref.Service Manual No.PUHZ-P200/250YHA3OCH424/ OCB424PUHZ-RP35/50/60/71VHA4PUHZ-RP100/125/140VKAPUHZ-RP100/125/140/200/250YK

20Note: Refer to the manual of outdoor unit for the detail of remote controller.(3) Upward/downward vane perform-ance failure1 The vane is n

219-5. EMERGENCY OPERATION 9-5-1. When wireless remote controller troubles or its battery is exhausted 9-5-2. When wired remote controller or indoor

229-6. HOW TO CHECK THE PARTSPKA-RP60KAL.TH PKA-RP71KAL.TH PKA-RP100KAL.THParts name Check pointsDisconnect the connector then measure the resistance

239-6-2. DC Fan motor (fan motor/indoor controller circuit board)Notes · High voltage is applied to the connecter (CNMF) for the fan motor. Pay attent

24{9-7. TEST POINT DIAGRAMPKA-RP60KAL.TH PKA-RP71KAL.TH PKA-RP100KAL.THCN51Centrally controlCN44Pipe temperature thermistor1-2 : Liquid (TH2)3-4 : Con

25SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerRemarksS

2610SPECIAL FUNCTIONNote:· When the unit is restarted to operate after turning off the power or OFF operation, the unit which was operating will start

27• System constraint· This function is available only in cooling mode.[2nd stage cut-in function]··· Request code number "322~324"Start ope

28(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER

29DISASSEMBLY PROCEDURE111. REMOVING THE PANEL(1) Press and unlock the knobs on both sides of the front grille and lift the front grille until it i

3SAFETY PRECAUTION2Cautions for units utilising refrigerant R410A2-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

303. REMOVING THE ELECTRICAL BOX(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the front and side electrical box covers (each 1 scre

316. REMOVING THE INDOOR FAN MOTOR AND THE LINE FLOW FAN(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the electrical box (Refer t

8. REMOVING THE HEAT EXCHANGER(1) Remove the panel and the corner box. (Refer to 1.)(2) Remove the electrical box (Refer to 3.) and the nozzle asse

4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.3PART NAMES AND FUNCTIONSEmergencyoperationswit

5ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAILABLECHECKTEST RUN°CAMPMAMPMVANE CONTROL buttonUs

6SPECIFICATIONS4Cooling0.060.43Heating0.050.36Single phase, 50Hz, 230VMunsell 1.0Y 9.2/0.2Plate fin coilLine flow fan (direct) % 10.05618-20-22(635-70

75NOISE CRITERION CURVES* Measured in anechoic room.PKA-RP100KAL,TH41 - 45 - 49PKA-RP60,71KAL,TH39 - 42 - 45Sound level dB (A)Sound level at anechoic

8Refrigerant pipe : 9.52Flared connection : 3/8F16 O.DLiquid pipeGas pipeDrain hoseSleeve(purchased locally)7575~80Through hole53321830663565.2423

9WIRING DIAGRAM7SYMBOL SYMBOLNAME NAMEI.BR.BIndoor controller boardFUSE (T3.15AL250V)VaristorSurge absorberConnector (LOSSNAY)Connector (Remote switch