Mitsubishi Electric MSH-GA50VB Instrukcja Obsługi

SERVICE MANUALCONTENTS1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS······················53. SPECIFICATION···

10WIRING DIAGRAM6MUH-GA60VB DEICERP.C. BOARDBLUX52X52NOCOMTAB52BLU52CA2A1T61BLKWHTREDBRNTB271CN730BLKWHTCIRCUIT BREAKER CN721352C4REDC2ORNDSAR

11DEICERP.C. BOARDT61YLWBLKWHTREDBRNTB271CN730YLWBLKWHTCIRCUIT BREAKER CN721152C2CZWHTWHTREDC2ORNA1 A2BLU52CDSARTO INDOOR UNIT CONNECTING 12VW

12REFRIGERANT SYSTEM DIAGRAM7MufflerMUH-GA50VB -E1Refrigerant pipe [12.7(with heat insulator)Flared connectionFlared connectionRefrigerant pipe [6.35(

13MUH-GA80VB Unit:mmOutdoorheatexchangerFlared connectionDefrostthermistorRT61DischargetemperaturethermistorRT62Flared connectionStop valveStop valv

14ModelMUH-GA50VB Refrigerant piping length (one way)Outdoor unit precharged1,80015m16020m26025m3607m010m60ADDITIONAL REFRIGERANT CHARGE(R410A : g)Cal

15PERFORMANCE CURVES811.610.57.58.59.512.815.69.812.611.214.117.217.413.912.410.815.619.2MUH-GA50VBMSH-GA60VBMSH-GA50VBMUH-GA60VBMSH-GA80VBMUH-GA80VBT

1626.624.522.520.418.416.314.312.336.834.031.128.325.522.619.817.038.435.532.529.626.623.620.717.7MUH-GA50VBMSH-GA60VBMSH-GA50VBMUH-GA60VBMSH-GA80VBMU

17HEAT operationCondition indoor:Dry bulb temperature 20.0°CWet bulb temperature 14.5°COutdoor:Dry bulb temperature 7,15,20°CWet bulb temperature 6,12

18MSH-GA50VB : MUH-GA50VB (230V)21 18 5.88 2.76 0.47 1424 5.63 2.64 0.47 1495 5.40 2.54 0.47 1566 5.20 2.44 0.47 163821 20 6.13 2.14 0.35 1495 5.88 2

1921 18 4.90 2.30 0.47 1744 4.50 2.12 0.47 1851 4.33 2.03 0.47 188721 20 5.15 1.80 0.35 1816 4.80 1.68 0.35 1905 4.63 1.62 0.35 195822 18 4.90 2.50 0.

2RefrigeratingoilRefrigerantNew refrigerantR410AHFC-32: HFC-125 (50%:50%)Pseudo-azeotropic refrigerantNot includedA1/A172.6-51.41.55764Non combustible

20MSH-GA60VB : MUH-GA60VB (230V)21 18 7.40 3.41 0.46 1928 7.09 3.26 0.46 2024 6.80 3.13 0.46 2121 6.55 3.01 0.46 221721 20 7.72 2.62 0.34 2024 7.40 2

2121 18 6.17 2.84 0.46 2362 5.67 2.61 0.46 2506 5.45 2.51 0.46 255521 20 6.49 2.21 0.34 2458 6.05 2.06 0.34 2579 5.83 1.98 0.34 265122 18 6.17 3.09 0.

2221 18 9.99 4.39 0.44 2608 9.56 4.21 0.44 2738 9.18 4.04 0.44 2869 8.84 3.89 0.44 299921 20 10.41 3.33 0.32 2738 9.99 3.20 0.32 2901 9.69 3.10 0.32 2

2321 18 8.33 3.67 0.44 3195 7.65 3.37 0.44 3390 7.35 3.24 0.44 345621 20 8.76 2.80 0.32 3325 8.16 2.61 0.32 3488 7.86 2.52 0.32 358622 18 8.33 4.00 0.

24OUTDOOR WB(:)INDOOR-10 -5 0 5 10 15 20DB(:)Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUTCAPACITY : 5.2(kW)INPUT : 1610(W)1521263.283.122

25SERVICE FUNCTIONS99-1. COMPULSORY DEFROSTING MODE FOR SERVICEBy short circuit of the connector JPDS and JPSG(MUH-GA50VB)/ JPG1 and R871(MUH-GA60/GA8

26StartIndoor unit operates.Outdoor unit doesn't operate.Indoor unit doesn't receive the signal from remote controller.Indoor unit operates

2710-3. TROUBLE CRITERION OF MAIN PARTSMUH-GA50VB MUH-GA60VB MUH-GA80VBPart name FigureCheck method and criterionMeasure the resistance between the

28AACheck of outdoor unitCompressor and/or outdoor fan motor doesn’t operate.Ye sCompressor doesn't operate.Ye sYe sIs there 230V AC between 3 on

29Is there 230V AC to between L-N on the outdoor terminal block?NoCheck the outdoor power supply and connection of wiring.Ye sCompressor does not oper

3NOTE : The unit of pressure has been changed to MPa on the international system of units(SI unit system).The conversion factor is: 1(MPa [Gauge]) =10

30After 30 seconds, does compressor stop?NoYesIs there 230V AC between A1-A2 on the compressor contactor (52C)?Replace the deicer P.C. board.Yes1 Turn

31How to check mis-wiringD1. Turn OFF the power supply (indoor/ outdoor unit) and disconnect indoor/outdoor connecting wire on indoor side.2. Short-ci

32Check of LEV (Expansion valve)EReplace the LEV.With remote controller set toward the indoor unit, press OPERATE/ STOP (ON/ OFF) button and confirm o

33Check of outdoor thermistorMeasure resistance between CN 661 1 and 2.Measure resistance between CN 662 3 and 4.NoYe sReplace the thermistor.Measure

34MUH-GA50VBOutdoor deicer P.C. boardCN711Outdoor fan motor 230V ACCN721R.V. coil230V ACF61Fuse2A/250V}}CN661 1-2Defrost thermistor RT61 (Refer to 10-

35MUH-GA60VB MUH-GA80VB Outdoor deicer P.C. boardVaristor(NR62)Fuse 3.15A / 250VDefrostintervaltime shortpin(JPG1,R871)(Refer to9-1.)}12V DCJumper

36DISASSEMBLY INSTRUCTIONS11OPERATING PROCEDUREPHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the down of the cabinet on t

37OPERATING PROCEDUREPHOTOSPhoto 5Terminal coverCompressorDischargepipeSuctionpipeCompressor set nutsPhoto 4PropellerSet screws of the outdoor fan mo

3811-2. MUH-GA60VB MUH-GA80VBOUTDOOR UNITNOTE : These photos are MUH-GA80VB.MUH-GA60VB is almost the same as MUH-GA80VB.OPERATING PROCEDUREPHOTOS1.Re

39Photo 6Suction pipeDischarge pipeTerminal coverOPERATING PROCEDUREPHOTOS3. Removing the propeller and the outdoor fan motor(1) Remove the cabinet. (

4R410APipe diametermm6.359.5212.715.8817222629Dimension of flare nutR22172224272 Flaring work and flare nutFlaring work for R410A pipe differs from th

40PARTS LIST (non-RoHS compliant)121204131211109876532MUH-GA50VB 12-1. OUTDOOR UNIT STRUCTURAL PARTS,ELECTRICAL PARTS AND FUNCTIONAL PARTS211416181915

41Symbolin WiringDiagramQ'ty/unitMUH-GA50VB -RemarksPart No. Part NameE1E02 817 233E02 817 232E02 817 521E02 643 630E02 141 501E02 139 515E02 07

42MUH-GA60VB12-3. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS323161211513 142456789101117181920212224252627PARTS LIST (non-Ro

43MUH-GA60VB 12-3. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSMUH-GA60VB - E1Symbolin WiringDiagramQ'ty/unitRemarksPar

44MUH-GA80VB12-5. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS424171311614 152567891011121819202122232526272832PARTS LIST (non

45MUH-GA80VB12-5. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSMUH-GA80VB - E1Symbolin WiringDiagramQ'ty/unitRemarksPart

46131204131211109876532MUH-GA50VB 13-1. OUTDOOR UNIT STRUCTURAL PARTS,ELECTRICAL PARTS AND FUNCTIONAL PARTS21141618191517RoHS PARTS LIST (RoHS complia

47Symbolin WiringDiagramQ'ty/unitMUH-GA50VBRemarksPart No. Part NameE1-E2-E02 817 233E02 A27 233E02 817 232E02 817 521E02 643 630E02 B35 630E02 1

48RoHS PARTS LIST (RoHS compliant)MUH-GA60VB13-3. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS323161211513 1424567891011171819

49RoHS PARTS LIST (RoHS compliant)MUH-GA60VB 13-3. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSMUH-GA60VB - E1Symbolin Wirin

5PART NAMES AND FUNCTIONS2Drainage hosePipingAir inletAir inletAir outletDrain outlet(back and side)Air outlet(back and side)ACCESSORIESMUH-GA50VB12Dr

50RoHS PARTS LIST (RoHS compliant)MUH-GA80VB13-5. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTS424171311614 1525678910111218192

51RoHS PARTS LIST (RoHS compliant)MUH-GA80VB13-5. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSMUH-GA80VB - E1Symbolin Wiring

New publication, effective Jun. 2010Specifications subject to change without notice.CCCopyright 2004 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDDistribute

6WHT-BLK 71.2BLK-RED 89.3WHT-BLK 79.5BLK-RED 83.0Outdoor modelFunctionPower supplyCapacityDehumidificationAir flow(High) Power outletRunning currentPo

7Outdoor modelFunctionPower supplyCapacityDehumidificationAir flow(High/Low)Power outletRunning currentPower inputPower factorStarting currentCompress

8NOISE CRITERIA CURVES490807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70BAND CENTER FREQUENCIES, HzTest conditions,

9MUH-GA60VB MUH-GA80VBOUTLINES AND DIMENSIONS5Unit: mmMUH-GA50VB100mm or more100mm or more100mm or more350mm or more500mm or moreREQUIRED SPACEDrain