Mitsubishi Electric PLA-RP50 Service Manual

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

10Cooling0.161.07Heating0.151.00Single phase, 50Hz, 230VMunsell 6.4Y 8.9/0.4Plate fin coilTurbo fan (direct) % 10.12022-25-28-31(780-880-990-1,090)0(d

116NOISE CRITERION CURVESPLA-RP35BA.UKPLA-RP35BA1.UKPLA-RP35BA#2.UKPLA-RP50BA.UKPLA-RP50BA1.UKPLA-RP50BA#2.UKNOTCH SPL(dB) LINEHigh 31Medium1 29Medium

12PLA-RP100BA.UKPLA-RP100BA#2.UKPLA-RP100BA2.UKPLA-RP125BA.UKPLA-RP125BA#2.UKPLA-RP125BA2.UKNOTCH SPL(dB) LINEHigh 40Medium1 37Medium2 34Low 32NOTCH S

137OUTLINES AND DIMENSIONS37728460()Ceiling holeBranch duct holeDrain pipeconnected to VP-25CeilingGrilleDrain holeModels Auto vane(Air outlet)Air int

14WIRING DIAGRAM8INDOOR/OUTDOORCOMMUNICATIONCN3C(BLU)<Table 2>SW2(CAPACITY CODE)SETTINGPLA-RP35BAMODELSSW2ONOFF12345SETTINGPLA-RP100BAMODELSONOF

1515SYMBOL SYMBOLNAME NAMEI.BINDOOR CONTROLLER BOARDFUSE (T6.3AL250V)CONNECTOR (LOSSNAY)CONNECTOR (REMOTE SWITCH)CONNECTOR (HA TERMINAL-A)CONNECTOR (C

16Thermistor TH2Pipe temperature(Liquid)Distributorwith strainer (#50)Thermistor TH5(Cond./ Eva.temperature)Thermistor TH1(Room temperature)Refrigeran

17<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

18• "CHECK" lights, and refrigerant address "00" flashes.• Check that the remote controller's display has stopped before c

19[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

22REFERENCE MANUALService Ref.PUHZ-RP200/250YHA(1)(2)SUZ-KA·VA(1).THSUZ-KA.VAR2.THService Manual No.OC338PUHZ-P200/250YHA(3) OCH424/OCB424OC374OC379PU

20•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

2110-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeA

22Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is work-ing1 Freezing protection (Cooling mode)Th

23Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor/ Condenser-Evaporator (TH5)1 The unit is in 3-minute

24E6E7Error CodeAbnormal point and detection method CauseCountermeasureFbE1orE21 Contact failure, short circuit or, miswiring (converse wiring) of ind

2510-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller.PhenomenaCauseCou

26Note: Refer to the manual of outdoor unit for the detail of remote controller.(3)Upward/downward vane performance failure1 The vane is

2710-5. EMERGENCY OPERATION 10-5-1. When wireless remote controller fails or its battery is exhausted 10-5-2. When wired remote controller or indoor

2810-6. HOW TO CHECK THE PARTSPLA-RP35BA.UK PLA-RP50BA.UK PLA-RP60BA.UK PLA-RP71BA.UKPLA-RP100BA.UK PLA-RP125BA.UK PLA-RP140BA.UKPLA-RP35BA1.UK PLA-RP

2901020304050-20 -10 0 10 20 30 40 50< Thermistor for lower temperature >Temperature ()Resistance (k)<Thermistor Characteristic graph>Ro

3SAFETY PRECAUTION3Cautions for units utilising refrigerant R410A3-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Make sure that the

3010-7.TEST POINT DIAGRAMIndoor controller boardPLA-RP35/50/60/71/100/125/140BA.UKPLA-RP35/50/60/71BA1.UKPLA-RP30/50/60/71/100/125/140BA#2.UKPLA-RP71/

31SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwirelessremotecontrollerRemarksS

3211SPECIAL FUNCTION11-1. HOW TO PERFORM THE UP/DOWN OPERATION OF THE AIR INTAKE GRILLE11-1-1. Setting up the lowering distance of air intake grilleDi

333311-1-3. How to perform the up/down operation using wired remote controller (PAR-21MAA)[Note:] General OperationOperation status displayButton to e

34[Remarks:][Remarks:]Up/down operation modeUp/down operation modeUnit No.Refrigerant address No.Individually-specified up/down operation mode(a) &quo

3511-2. OPERATION (AUTOMATIC FILTER ELEVATION PANEL: PLP-6BAJ)UP/DOWN Machine 1UP/DOWN Machine 2Wire 1bWire 1aWire 2aWire 2bFig.1Detection switch(1) N

3611-3. ELECTRICAL CIRCUIT (Controller board and wiring diagram (Panel))11-3-1. Dip SW 22 type ON1132531111122222CN3G(BLK)CN3G(BLK)CN90(WHT)CN2B(WHT)F

3711-3-3. Check point of trouble<LED (SW22 type) /LED2 (SW2 type) display>Turn OFF : No power supplyBlink : Storage detection switch ON (short)

38Operation patternOC-1OC-2IC-1IC-23(2)3(2)2RC2MainunitSubunitRefrigerant address"01"Refrigerant address"00"Fig. 1[Back-up funct

3911-5-2. How to set rotation function (Back-up function, 2nd stage cut-in function)You can set these functions by wired remote controller. (Maintenan

4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant. No. Tool name Specifications 1 Gauge manif

40(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER

4141DISASSEMBLY PROCEDURE12OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS1. Removing the air intake grille(1) Slide the knob of air intake grille towar

42OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS9. Removing the pipe temperature thermistor (TH2) and condenser evaporator temperature thermistor (T

43OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS10. Removing the drain pump (DP) and float switch (FS)(1) Remove the drain pan. (See Photo 6)(2) Cut th

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCCopyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in

5°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFFFILTERCHECKOPERATION

6ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODEL SELECTNOT AVAILABLECHECKTEST RUN°CAMPMAMPMVANE CONTROL buttonUs

7SPECIFICATIONS5kWAkW*/min(CFM)Pa(mmAq)kWdBmm(in.)mm(in.)mm(in.)mm(in.)kg(lbs)Service Ref.ModePower supply (phase, cycle, voltage) Input Running

8Cooling0.070.51Heating0.060.43Single phase, 50Hz, 230VMunsell 6.4Y 8.9/0.4Plate fin coilTurbo fan (direct) % 10.05014-16-18-21(485-565-635-740)0(dire

9kWAkW*/min(CFM)Pa(mmAq)kWdBmm(in.)mm(in.)mm(in.)mm(in.)kg(lbs)Service Ref.ModePower supply (phase, cycle, voltage) Input Running current Externa