Mitsubishi Mr.Slim PLH-AAK Service Manual

TECHNICAL & SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSNo. OC360NOTE:• This manual does notcover outdoor units.When servicing outdoorunit

10Cooling 42,30012,4004.510.301.432.0UNIT : 840(33-1/16)UNIT : 840(33-1/16)UNIT : 298(11-3/4)UNIT : 30(66) [32(71)]4.216.8953Heating 47,800[58,000]14,

11Cooling w1/w2 37,500/44,40011,000/13,0006.78/5.580.261.242.0UNIT : 840(33-1/16)UNIT : 840(33-1/16)UNIT : 298(11-3/4)UNIT : 30(66)6.52/5.3219.23/16.2

12PLH-6AAK(H)Cooling 47,80014,0005.070.341.642.0UNIT : 840(33-1/16)UNIT : 840(33-1/16)UNIT : 298(11-3/4)UNIT : 32(71)[34(75)]4.737.7474Heating 54,900[

13PLH-6AAKCooling w1/w2 45,700/51,90013,400/15,2007.32/6.150.281.342.0UNIT : 840(33-1/16)UNIT : 840(33-1/16)UNIT : 298(11-3/4)UNIT : 32(71)7.04/5.8720

144DATA1. PERFORMANCE DATA [50Hz]1) COOLING CAPACITY(1) PLH-3AAK(H)CA : Capacity (W) SHC : Sensible heat capacity (W)P.C.

15COOLING CAPACITY(2)PLH-3AAK(H)Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

16COOLING CAPACITY(3)PLH-4AAK(H)Outdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

17COOLING CAPACITY(4)PLH-4AAK(H)Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

18COOLING CAPACITY(5)PLH-5AAK(H)Outdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

19COOLING CAPACITY(6)PLH-5AAK(H)Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

21REFERENCE MANUALService Ref. Service Manual No.PUH-3VKA2.TH-APUH-3YKA1.TH-APUH-4YKSA1.TH-APUH-5/6YKSA3.TH-APUH-3VKA.THPUH-3YKA.THPUH-4/5/6YKSA.THPUH

20COOLING CAPACITY(7)PLH-6AAK(H)Outdoor intake air D.B.(°C)20 25 30IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

21COOLING CAPACITY(8)PLH-6AAK(H)Outdoor intake air D.B.(°C)35 40 45IndoorIntake airD.B.(°C)IndoorIntake airW.B.(°C)20202222222424242426262626272727272

22Cooling capacity correction factorsRefrigerant piping length(one way)5m1.001.001.001.0010m0.9810.9890.9810.97515m0.9680.9800.9680.95520m0.9520.9700.

23P.C.4.034.144.264.404.814.935.085.256.116.276.466.676.736.917.127.35CA65897058755480769018966010339110541070711469122751312412518134101435215345P.C.

24Input (kW)Current (A)Starting current (A)Input (kW)Current (A)Starting current (A)ModeCapacity (W)Total Input (kW)IndoorOutdoorPLH-3AAK(H)Service Re

25CapacityInputIndoor unit Service Ref.Phase, HzVoltsAmperesOutdoor unit Service Ref.Phase,HzVoltsAmperesDischarge pressureSuction pressureDischarge t

2690807060504030201063 125 250 500 1000 2000 4000 8000APPROTIMATETERESHOLD OFREARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND

27UNIT1.5mMICROPHONECEILINGAmbient temperature 27:Test conditions are based on JIS Z8731OC360--1.qxp 06.2.24 1:56 PM Page 27

285OUTLINES AND DIMENSIONSUnit : mmAir outlet holeVane motorAuto vaneDrain holeGrilleDrain pipeVP-25connection(O.D.{32)Branch duct hole(Cut out hole)C

29WIRED REMOTE CONTROLLERUnit : mm13012019OC360--1.qxp 06.2.24 1:56 PM Page 29

32PART NAMES AND FUNCTIONS● Operation buttonsPAR-21MAAON/OFFFILTERCHECKOPERATIONCLEARTESTTEMP.MENUBACK DAYMONITOR/SETCLOCKON/OFFSet Temperature button

30WIRELESS REMOTE CONTROLLERUnit : mm159.3555819OC360--1.qxp 06.2.24 1:56 PM Page 30

316WIRING DIAGRAMPLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAKPLH-3AAKH PLH-4AAKH PLH-5AAKH PLH-6AAKH321321531MFFAN(WHT)REDWHTBLKBLKX1X4X1X4CBCR31DPD.U.MCNP(BLU

32REFRIGERANT SYSTEM DIAGRAM7Indoor unitIndoor heat exchangerRefrigerant pipe(option)15.88mm({5/8")(with heat insulator)Flexible tubeBall valveS

33PLH-5AAK(H)/PUH-5YKSA.TH · PUH-5YKSA3.TH-APLH-6AAK(H)/PUH-6YKSA.TH · PUH-6YKSA3.TH-AIndoor unitIndoor heat exchangerRefrigerant pipe(option)19.05mm

348TROUBLESHOOTING<Error code display by self-diagnosis and actions to be taken for service (summary)>Present and past error codes are logged an

35[Procedure]1. Press the CHECK button twice.2. Press the temperaturebuttons.3. Point the remote controller at the sensor on the indoor unit andpress

36SymptomCauseWired remote controllerOn the wireless remote controller with condition above, following phenomena takes place.• No signals from the rem

378-3. SELF-DIAGNOSIS ACTION TABLENote: Refer to the manual of outdoor unit for the details of display such as F, U, and other E.Error CodeMeaning of

38<Heating mode>When 10 seconds have passed after thecompressor starts operation and the hotadjustment mode has finished, the unit isdetected as

39Error CodeMeaning of error code and detection method CauseCountermeasureE0orE4Remote controller transmissionerror(E0)/signal receiving error(E4)1 Ab

4● DisplayFor purposes of this explanation,all parts of the display are shownas lit. During actual operation, onlythe relevant items will be lit.˚F˚C˚

40Error CodeMeaning of error code and detection method CauseCountermeasureFbAbnormality of indoor controller boardAbnormal if data cannot be normally

418-4. TROUBLESHOOTING BY INFERIOR PHENOMENA• When LED1 on indoor controller board is also off.1 Power supply of 220~240V AC is not supplied toindoor

42(3)Upward/downward vane performance failure1 The vane is not downward during defrosting andheat preparation and when the thermostat is OFF inHEAT mo

ON/OFF TEMPFANVANETEST RUNAUTO STOPAUTO STARThminLOUVERMODECHECKRESETSET CLOCKTEST RUN 3,4726A51 Turn on the power to the unit at least 12 hours bef

448-6. HOW TO CHECK THE PARTSPLH-3AAK PLH-4AAK PLH-5AAK PLH-6AAKPLH-3AAKH PLH-4AAKH PLH-5AAKH PLH-6AAKHParts name Check pointsDisconnect the connector

4501020304050-20 -10 0 10 20 30 40 50< Thermistor for lower temperature >Temperature (:)Resistance (K")<Thermistor Characteristic graph&

468-7.TEST POINT DIAGRAM8-7-1. Power boardPLH-3AAK(H) PLH-4AAK(H) PLH-5AAK(H) PLH-6AAK(H)CNSKConnect to the indoor controller board(CNDK)Between 11

478-7-2. Indoor controller board PLH-3AAK(H) PLH-4AAK(H) PLH-5AAK(H) PLH-6AAK(H)CN2DConnect to the indoorpower board (CN2S)(12.5~13.7V DC)CNDKC

4848SW1Setting by the dip switch and jumper wireFunctionsJumper wireModelsettingsSW5SystemsettingsCapacitysettingsPair numbersetting withwireless remo

498-9 OUTDOOR UNIT SERVICE FUNCTIONS (OUTDOOR CONTROLLER BOARD)(1) Compulsory defrosting1When all of the following conditions are satisfied, pressing

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

509FUNCTION SETTINGFunction SettingsNo.ModeNo.SettingInitial setting (Factory setting)- : Not available4-Way cassetteCeilingconcealedCeiling suspended

51Rotation setting (Function setting mode No.20)Function settingFeatures Indoor controller boardMode No.This system can correspond only by the pattern

526 Select mode No. 02 (room temperature detection position).7 Select setting No. 03 (remote controller fixed). (Use F and G.)8 Enter the sett

53[Operating Procedure]1 Check the setting items provided by function selection.If settings for a mode are changed by function selection, the function

54By setting unit number with the button, specified indoor unit starts performing fan operation. Detect which unit is assigned to which numbe

559-2. FUNCTION SELECTION OF REMOTE CONTROLLERThe setting of the following remote controller functions can be changed using the remote controller func

56OFFon1on2OFFONOFFONOFFOFFCALL-ONOFFONOFF:°FPAR-21MAAON/OFF FILTERCHECKOPERATIONCLEARTESTTEMP.MENUBACK DAYMONITOR/SETCLOCKON/OFFFEGCDHBAIGGGGGGEEGGGG

574-WAY AIR FLOW SYSTEM101. Placement of the air outlets• For this grille, the blowout direction comes in 11 patterns.Also,by unit function setting by

58Static pressure [Pa]Air flow [m3/min]2 intakes1 intake50-50-100-150-20001 2 3 4 5 6Static pressure [Pa]Air flow [m3/min]2 intakes1 intake50-50-100-1

595. BRANCH DUCT(Installation atsite)Discharge by branch duct becomes possible by installing a branch duce at site. Knockout holes on the wall panel o

6SPECIFICATIONS3PLH-3AAK(H)Cooling 26,3007,7003.320.170.811.00UNIT : 840(33-1/6)UNIT : 840(33-1/6)UNIT : 258(10-1/8)UNIT : 24(53) [26(57)]3.1513.82/5.

606. Air flow & Static pressure characteristics of Branch Duct (Air flow( Fan speed) at “Standard”)Staticpressure[Pa]Air flow [m3/min]302010012345

61Staticpressure[Pa]Air flow [m3/min]30405060708090100201001234567891011HiLoStaticpressure[Pa]Air flow [m3/min]30405060708090100201001234567HiLoStatic

62SYSTEM CONTROL1111-1. VARIETY OF SYSTEM CONTROL FUNCTIONSSystem Name System Diagram FeaturesParts Required in Addition to Standard SystemComponents

63OutdoorunitIndoorunitSubMainRemoteControllerSystem Name System Diagram FeaturesParts Required in Addition to Standard SystemComponents (Indoor/Outdo

6411-2. ONE REMOTE CONTROLLER (STANDARD) OPERATION(1) One Wired Remote Controller(OC: Outdoor unit IC: Indoor unit R: Remote controller (for wir

6511-3. TWO-REMOTE CONTROLLER OPERATION(1) Two Wired Remote Controllers(R: Wired remote controller)Slim Air Conditioner SystemStandard 1:1 Simultaneou

662.Connecting the remote control interface with each system(For details on each system, see the relevant instruction manual.)• Replace the interface

67Use as a Wired Remote Control (Using the MA Remote Controller)Note:1. Be sure the Auto Heating/Cooling Display Setting on the MA remote controller i

68SW501: Settings to accommodate MA remote controller and settings to accommodate outdoor unitsSW No.No. 1No. 2No. 3No. 4Functions OFF ON CommentsOnly

69* Fan speed 2 step model : An actual fan speed is 2 step though the display of remote controller becomes 4 step or 3 step.3. Test Run (Check Operati

7Service Ref.Power supply(phase, cycle,voltage)External finishHeat exchangerFanBooster heaterOperation control & ThermostatNoise level(Low-High)Un

70 When Mounting Directly to a WallMount the interface unit case to the wall using the mountingscrews.Interface casemounting screws Mountingscrews W

7111-5. POWER OUTAGE AUTOMATIC RECOVERY OPERATION• Whenever a power outage or switching of the power supply causes the power supply of an operating ai

72Note: When using group address, connect to refrigerant address "0" on the inside.Control circuitpower supplyDedicated short circuit preven

7311-8. OBTAINING REMOTE DISPLAYUse the A control operating display kit (PAC-SF40RM-E) to provide operation/error non-voltage contact output and on/of

74(2). Basic pattern for timer controlUse a no-voltage contact point output timer (one that has separate circuits for the load side and timer power su

7511-13. MULTIPLE REMOTE CONTROL DISPLAYYou can control several units with a multiple remote control display, bywiring an optional multiple display ad

Bell mouthPhoto 1ScrewsRoomtemperaturethermistorAir intake grille7612DISASSEMBLY PROCEDUREOPERATING PROCEDURE PHOTOS&ILLUSTRATIONS1. Removing the

77OPERATING PROCEDUREPHOTOS&ILLUSTRATIONS5. Removing the pipe temperature thermistor(1) Remove the bell mouth.(See photo 2)(2) Remove the electric

78OPERATING PROCEDURE PHOTOS&ILLUSTRATIONS9. Removing the heat exchanger(1) Remove the panel. (See photo 5)(2) Remove the bell mouth. (See photo 1

7913 PARTS LIST1132345614121110987GEARGEAR(VANE)VANEBUSHVANEMOTORON/OFF TEMPMODEL SELECTNOT AVAILABLECHECKTEST RUN˚CAMPMAMPMON/OFF CENTRALLY CONTROL

8Cooling 33,1009,7003.460.261.252.0UNIT : 840(33-1/6)UNIT : 840(33-1/6)UNIT : 298(11-3/4)UNIT : 30(66)[32(71)]3.205.2440Heating 35,500[44,400]10,400[1

80No.Parts No.Parts NameQ'ty / setPLH-AAK346WiringDiagramSymbolRecom-mendedQ'tyUnitAmountPrice123456789101112BASEBASELEGLEGTURBO FANTURBO FA

81FUNCTIONAL AND STRUCTURE PARTSPLH-3AAKHPLH-4AAKHPLH-5AAKHPLH-6AAKH3765421161514131091112THERMAL FUSEHEATER THERMALSWITCHPIPE TEMPERATURE THERMISTORS

82No.Parts No.Parts NameWiringDiagramSymbolRecom-mendedQ'tyUnitAmountPrice1234567891011121314151617DRAIN PANDRAIN PANDRAIN PANDRAIN SOCKETDRAIN P

83FUNCTIONAL AND STRUCTURE PARTSPLH-3AAKHPLH-4AAKHPLH-5AAKHPLH-6AAKHNo.Parts No. Parts NameWiringDiagramSymbolRecom-mendedQ'tyUnitPrice1234567891

84OPTIONAL PARTS14Note 1. How to connect refrigerant pipes.Factory supplied optional refrigerant pipings contain refrigerant at the above atmospheric

85PAC-SG06SP-EPLH-3/4/5/6AAK(H)Part No.Applicable Service Ref.8. AIR OUTLET SHUTTER PLATE (20set, 2pcs/set)PAC-SG03TM-EPLH-3/4/5/6AAK(H)Part No.Applic

HEAD OFFICE : TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU TOKYO 100-8310, JAPAN© Copyright 2006 MITSUBISHI ELECTRIC ENGINEERING CO.,LTD.Distributed in

9Cooling w1/w2 33,800/37,4009,900/10,9505.26/4.930.251.192.0UNIT : 840(33-1/6)UNIT : 840(33-1/6)UNIT : 298(11-3/4)UNIT : 30(66)5.01/4.1414.14/11.8169H