Mitsubishi Electric PLA-A36BA4 Manuale di Servizio

SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSSPLIT-TYPE, AIR CONDITIONERS CONTENTS 1. REFERENCE MANUAL ...2 2. SAFETY P

105NOISE CRITERION CURVESPLA-A12BA4 PLA-A18BA4NOTCH SPL(dB) LINEHigh 31Medium1 29Medium2 28Low 27NOTCH SPL(dB) LINEHigh 32Medium1 31Medium2 29Low 2890

11PLA-A36BA4 PLA-A42BA4NOTCH SPL(dB) LINEHigh 40Medium1 37Medium2 34Low 32NOTCH SPL(dB) LINEHigh 41Medium1 39Medium2 36Low 3490807060504030201063 125

12INDOOR UNITPLA-A12BA4 PLA-A18BA4 PLA-A24BA4PLA-A30BA4 PLA-A36BA4 PLA-A42BA46OUTLINES AND DIMENSIONSUnit : inch(mm)14-27/3211-3/162-3/8+50(7.5)+35-

137WIRING DIAGRAMINDOOR UNITPLA-A12BA4 PLA-A18BA4 PLA-A24BA4PLA-A30BA4 PLA-A36BA4 PLA-A42BA4<Table 2>SW2 (CAPACITY CODE)ServicePLA-A30BA4PLA-A

14Thermistor TH2Pipe temperature (Liquid)Distributorwith strainer (#50)Thermistor TH5(Cond./ Eva. temperature)Thermistor TH1(Room temperature)Refriger

159 TROUBLESHOOTINGUnit conditions at serviceError codeActions to be taken for service (summary)The trouble is reoccurring.DisplayedNot displayedJudge

16[Procedure]1. Press the CHECK button twice.2. Press the temperature buttons.3. Point the remote controller at the sensor on the indoor unit and p

17[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

18•If the unit cannot be operated properly after the test run, refer to the following table to find out the cause.SymptomCauseWired remote controller

199-3. 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

21REFERENCE MANUALOUTDOOR UNIT SERVICE MANUALModel name Service Ref. Service Manual No.PUZ-A18/24/30/36/42NHA4 PUZ-A18/24/30/36/42NHA4OCH481OCB481PUZ-

20Error CodeAbnormal point and detection method CauseCountermeasureP6Freezing/overheating protection is oper-ating1 Freezing protection (Cooling mode)

21Error CodeAbnormal point and detection method CauseCountermeasureP9Pipe temperature thermistor / Condenser-Evaporator (TH5)1 The unit is in 3-minute

22E61 Contact failure, short circuit or, miswiring (converse wiring) of indoor/outdoor unit connecting wire2 Defective transmitting receiving circuit

239-4. TROUBLESHOOTING BY INFERIOR PHENOMENA Note: Refer to the manual of outdoor unit for the detail of remote controller.(1)Upward/downward

249-5. EMERGENCY OPERATION 9-5-1. When IR wireless remote controller troubles or its battery is exhausted 9-5-2. When wired remote controller or indo

259-6. HOW TO CHECK THE PARTSPLA-A12BA4 PLA-A18BA4 PLA-A24BA4PLA-A30BA4 PLA-A36BA4 PLA-A42BA4Parts name Check pointsDisconnect the connector then me

26<Thermistor Characteristic graph>Room temperature thermistor(TH1)Pipe temperature thermistor/liquid(TH2)Condenser/evaporator temperature therm

279-7. TEST POINT DIAGRAMIndoor controller boardPLA-A12BA4 PLA-A18BA4 PLA-A24BA4PLA-A30BA4 PLA-A36BA4 PLA-A42BA4CN3CTransmission(Indoor/outdoor)(0~2

28SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsCapacitysettingsPair numbersetting withIR wireless remotecontrollerRema

2910SPECIAL FUNCTIONOperation patternOC-1OC-2IC-1IC-23(2)3(2)2RC2MainunitSubunitRefrigerant address"01"Refrigerant address"00"Fig

3SAFETY PRECAUTION2Cautions for units utilising refrigerant R410A2-2. CAUTIONS RELATED TO NEW REFRIGERANTUse new refrigerant pipes.Store the piping to

30(1) Request Code ListRotation settingInitialsettingInitialsetting2nd stage cut-in settingSetting contentsSetting No.(Request code)No.7(316)No.8(317

31(2) Setting method of each function by wired remote controllerB: Refrigerant addressC: Data display areaD: Request code display areaTESTCHECKFILTER

3211DISASSEMBLY PROCEDUREOPERATING PROCEDUREPHOTOS & ILLUSTRATIONS1. Removing the air intake grille(1) Slide the knob of air intake grille toward

33OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS8. Removing the pipe temperature thermistor (TH2) and condenser evaporator temperature thermistor (T

34OPERATING PROCEDUREPHOTOS & ILLUSTRATIONS9. Removing the drain pump (DP) and float switch (FS)(1) Remove the drain pan. (See Photo 6)(2) Cut the

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HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPANCCopyright 2010 MITSUBISHI ELECTRIC ENGINEERING CO., LTD.Distributed in

4GravimeterUnit[3] Service tools Use the below service tools as exclusive tools for R410A refrigerant.[2] Additional refrigerant charge When cha

53PART NAMES AND FUNCTIONSDrain pipeFilterVaneGas pipeLiquid pipeAir outleti-see sensor(option)Air intake(Intake grille)

6°F°C°F°CERROR CODEAFTERTIMERTIME SUN MON TUE WED THU FRI SATONOFFHrAFTERFILTERFUNCTIONONLY1Hr.WEEKLYSIMPLEAUTO OFFPAR-21MAAON/OFFFILTERCHECKOPERATION

7 IR wireless remote controller (Option)ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKMODELSELECTNOT AVAILABLESWINGC

8Service Ref.Power supply (phase, cycle, voltage) Max. Fuse Size Min. Circuit Ampacity External finish (Panel) Heat exchanger Fan Fan (drive) % No.

9UNIT : 840 (33-1/16) PANEL : 950 (37-3/8)UNIT : 840 (33-1/16) PANEL : 950 (37-3/8) UNIT : 298 (11-3/4) PANEL : 35 (1-3/8) UNIT : 25 (55) PANEL :