Mitsubishi PLA-RP Service Manual

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

10Setting and display items Setting detailsVane · Louver · Vent. (Lossnay)Use to set the vane angle.• Select a desired vane setting from fi ve differen

11Setting and display items Setting detailsInitial setting DisplaydetailsMake the settings for the remote controller related items as necessary.Clock:

12°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFF FILTERCHECKOPERATI

13SPECIFICATIONS5kWAkWK/min(CFM)Pa(mmAq)kWdBmm(in)mm(in)mm(in)mm(in)kg(lbs)ModePower supply (phase, cycle, voltage) Input Running current Externa

14Cooling0.140.94Heating0.130.87Single phase, 50Hz, 230VMunsell 6.4Y 8.9/0.4Plate n coilTurbo fan (direct) o 10.12020-23-26-30(710-810-920-1,060)0(di

15kWAkWK/min(CFM)Pa(mmAq)kWdBmm(in)mm(in)mm(in)mm(in)kg(lbs)Service Ref.ModePower supply (phase, cycle, voltage) Input Running current External f

16Cooling0.161.07Heating0.151.00Single phase, 50Hz, 230VMunsell 6.4Y 8.9/0.4Plate fin coilTurbo fan (direct) o 10.12022-25-28-31(780-880-990-1,090)0(d

176NOISE CRITERION CURVESPLA-RP35BA.UKPLA-RP35BA1.UKPLA-RP35BA#2.UKPLA-RP35BAR3.UKPLA-RP50BA.UKPLA-RP50BA1.UKPLA-RP50BA#2.UKPLA-RP50BAR3.UKNOTCH SPL(d

18PLA-RP100BA.UKPLA-RP100BA#2.UKPLA-RP100BA2.UKPLA-RP125BA.UKPLA-RP125BA#2.UKPLA-RP125BA2.UKNOTCH SPL(dB) LINEHigh 40Medium1 37Medium2 34Low 32NOTCH S

197OUTLINES AND DIMENSIONS37728460()Ceiling holeBranch duct holeDrain pipeconnected to VP-25CeilingGrilleDrain holeModel Auto vane(Air outlet)Air inta

21TECHNICAL CHANGESPLA-RP35BA1.UK PLA-RP35BA#2.UKPLA-RP50BA1.UK PLA-RP50BA#2.UKPLA-RP60BA1.UK PLA-RP60BA#2.UKPLA-RP71BA1.UK PLA-RP71BA#2.UKPLA-RP100BA

20WIRING DIAGRAM8SYMBOL SYMBOLNAME NAMEI.BINDOOR CONTROLLER BOARDFUSE (T6.3AL250V)CONNECTOR (LOSSNAY)CONNECTOR (REMOTE SWITCH)CONNECTOR (HA TERMINAL-A

2121PLA-RP71BA2.UK PLA-RP100BA2.UK PLA-RP125BA2.UK PLA-RP140BA2.UKSYMBOL SYMBOLNAME NAMEI.BINDOOR CONTROLLER BOARDFUSE (T6.3AL250V)CONNECTOR (LOS

22Thermistor TH2Pipe temperature(Liquid)Distributorwith strainer (#50)Thermistor TH5(Cond./ Eva.temperature)Thermistor TH1(Room temperature)Refrigeran

23<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

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

25[Output pattern A] Errors detected by indoor unit[Output pattern B]E91. If the beeper does not sound again after the initial 2 beeps to confirm the

26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

2710-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeAbnormal

28Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is operating 1 Freezing protection (Cooling mode)

29Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor/ Condenser-Evaporator (TH5) The unit is in 3-minute r

32REFERENCE MANUALOUTDOOR UNIT’S SERVICE MANUALService Ref.SUZ-KA35/50/60/71VA3.THPUHZ-RP200/250YHA(1)(2)SUZ-KA·VA(1).THSUZ-KA.VAR2.THService Manual N

30E6E7Error CodeAbnormal point and detection method CauseCountermeasureFbE1orE21 Contact failure, short circuit or, miswiring (converse wiring) of ind

31Error CodeAbnormal point and detection method CauseCountermeasurePL Abnormal refrigerant circuit During Cooling, Dry, or Auto Cooling operation, wh

32Note: Refer to the manual of outdoor unit for the detail of remote controller.PhenomenaCauseCountermeasure(1)LED2 on indoor controller board is

33Note: Refer to the manual of outdoor unit for the detail of remote controller.(3) Upward/downward vane performance failure1 The vane is not downwa

3410-5. EMERGENCY OPERATION 10-5-1. When wireless remote controller fails or its battery is exhausted 10-5-2. When wired remote controller or indoor

3510-6. HOW TO CHECK THE PARTSPLA-RP35/50/60/71/100/125/140BA.UKPLA-RP35/50/60/71BA1.UKPLA-RP35/50/60/71/100/125/140BA#2.UKPLA-RP35/50/60/71BAR3.UKPLA

3601020304050-20-100 1020304050< Thermistor for lower temperature >Temperature ()Resistance (k)10-6-1. Thermistor10-6-2. DC Fan motor (FAN MOT

3710-7. 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-RP35

38SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withwireless remotecontrollerRemarks

393911SPECIAL FUNCTION11-1. HOW TO PERFORM THE UP/DOWN OPERATION OF THE AIR INTAKE GRILLE11-1-1. Setting up the lowering distance of air intake grille

4SAFETY PRECAUTION3Cautions for units utilising refrigerant R410A3-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Store the piping in

40F1 F2 F3 F4F1 F2 F3 F4AllAuto descending panelAuto descending panelInput display:AllCur. Address CheckDown / UpCur. Address CheckDown / UpRef. addre

4111-1-4. How to perform the up/down operation using wired remote controller (PAR-21MAA)[ Note: ] General OperationOperation status displayButton to e

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

43UP/DOWN Machine 1UP/DOWN Machine 2Wire 1bWire 1aWire 2aWire 2bFig.1Detection switch(1) Normal operation UP/DOWN Air intake grille is raised/low

4411-3. ELECTRICAL CIRCUIT (Controller board and wiring diagram (Panel))11-3-1. Dip SW 22 type ON1132531111122222CN3G(BLK)CN3G(BLK)CN90(WHT)CN2B(WHT)F

4511-3-3. Check point of trouble<LED (SW22 type) /LED2 (SW2 type) display>Turn OFF : No power supplyBlink : Storage detection switch ON (short

46Operation patternOC-1OC-2IC-1IC-23(2)3(2)2RC2MainunitSubunitRefrigerant address"01"Refrigerant address"00"Fig. 1[Back-up funct

4711-5-2. How to set rotation function (Back-up function, 2nd stage cut-in function)You can set these functions by wired remote controller. (Maintenan

481 Press the button. Select "Service" with the [Cursor] buttons (F1andF2) or the [Page] buttons (F3andF4), and press the button.PAR-30MAA

49DISASSEMBLY PROCEDURE12OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS1. Removing the air intake grille(1) Slide the knob of air intake grille toward

55[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.4PARTS NAMES AND FUNCTIONSDrain pipeFilterVaneGas pipeLiquid

50OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS9. Removing the pipe temperature thermistor (TH2) and condenser evaporator temperature thermistor (TH5

51OPERATING 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, JAPANCopyright 2007 MITSUBISHI ELECTRIC CORPORATIONDistributed in Aug. 2013

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

7Function buttonsF1 F2 F3 F4Press to turn ON/OFF the indoor unit. ON / OFF buttonWhen the backlight is off, pressing any button turns the backlight on

8FriMode Temp. FanRoomCool AutoSet temp.FriCoolMode Temp. FanAutoSet temp.The main display can be displayed in two different modes: "Full" a

9Not all functions are available on all models of indoor units.Filter informationError informationEnergy savingAuto returnScheduleNight setbackMain me