Mitsubishi Electric MS-GA80VB Manual de servicio

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

10WIRING DIAGRAM6MU-GA60VB -E1MODEL WIRING DIAGRAMOUTDOOR UNITTB1REDMC~/N230V 50HzPOWER SUPPLY52CGRN/YLWPENCIRCUIT BREAKER X1NOLNOREDREDWHTBLUORNC2WH

11OUTDOOR UNITDEICERP.C. BOARDYLWBLKWHTREDBRNTB271CN730YLWBLKWHTCIRCUIT BREAKER 152C2CZWHTWHTREDC2ORNA1 A2BLU52CDSARTO INDOOR UNIT CONNECTING

12REFRIGERANT SYSTEM DIAGRAM7MU-GA50VB -E1OUTDOOR UNITRefrigerant pipe [12.7(with heat insulator)Flared connectionFlared connectionRefrigerant pipe [

13MU-GA80VB -E1OUTDOOR UNITUnit:mmIndoorunitwMax. Heightdifference: 10m(MS-GA50/GA60VB)/ 15m(MS-GA80VB)ARefrigerant PipingMax. Lengthw Height diff

14ModelMU-GA50VB - E1 Refrigerant piping length (one way)Outdoor unit precharged1,45015m16020m26025m3607m010m60ADDITIONAL REFRIGERANT CHARGE(R410A

15PERFORMANCE CURVES811.610.57.58.59.512.816.310.213.111.614.618.017.413.912.410.815.619.2MU-GA50VB - E1MS-GA60VB - E1MS-GA50VB - E1MU-GA60VB - E1

16MU-GA80VB -E1Ambient temperature(˚C)Ambient humidity(%)183270(%)230V15 2050256030 350.60.70.80.91.01.1(:)67891011Ambient temperature(˚C)Ambient hum

17MS-GA50VB - : MU-GA50VB - (230V)E1E121 18 5.88 2.76 0.47 1448 5.63 2.64 0.47 1520 5.40 2.54 0.47 1593 5.20 2.44 0.47 166521 20 6.13 2.14 0.35 1520

1821 18 4.90 2.30 0.47 1774 4.50 2.12 0.47 1882 4.33 2.03 0.47 191921 20 5.15 1.80 0.35 1846 4.80 1.68 0.35 1937 4.63 1.62 0.35 199122 18 4.90 2.50 0.

19MS-GA60VB - : MU-GA60VB - (230V)E1E122822356228223562455228223562455228223562455257922822356245525792282235624552579265422822356245525792654228223

2TECHNICAL CHANGES1MU-A18WV - ➔MU-GA50VB -1. Oil separator has been removed.2. Model name has been changed.Indication of capacity has been changed.

2021 18 6.37 2.87 0.45 2430 5.85 2.63 0.45 2579 5.62 2.53 0.45 262921 20 6.70 2.21 0.33 2530 6.24 2.06 0.33 2654 6.01 1.98 0.33 272822 18 6.37 3.12 0.

2121 18 9.99 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 2738 9.99 3.20 0.32 2901 9.69 3.10 0.32 2967 9.35 2.99 0.32 3

2221 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.

23TROUBLESHOOTING99-1. Cautions on troubleshooting1. Before troubleshooting, check the following:(1) Check the power supply voltage.(2) Check the indo

24StartIndoor unit operates.Outdoor unit doesn't operate.Indoor unit doesn't receive the signal from remote controller.Indoor unit operates

259-3. Trouble criterion of main partsMU-GA50VB - MU-GA60VB - MU-GA80VB -E1E1E1Part name FigureCheck method and criterionMeasure the resistance bet

26Check of outdoor unitCompressor and/or outdoor fan motor doesn’t operate.MU-GA80VBIs there 230V AC to between L-N on the outdoor terminal block?NoCh

27After 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

28Check of outdoor thermistorMeasure resistance between CN 662 3 and 4.NoYesReplace the thermistor.Measure resistance between CN 662 1 and 2.Connect C

29MU-GA80VB -Outdoor deicer P.C. boardE1Varistor(NR62)Fuse 3.15A / 250V}12V DC}5V DC++Temperature(:)Discharge temperature thermistor(RT62)Resistance(

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

30DISASSEMBLY INSTRUCTIONS10(1) Slide the sleeve and check if there is a locking lever or not. (2) The terminal with this connector is a terminal wit

31PHOTOS3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1.)(2) Disconnect the connector and remove the hooked leadwire from the fan

32OPERATING PROCEDUREPHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the bottom of the cabinet on the both side to removeth

33PHOTOS3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1.)(2) Disconnect the connector and remove the hocked leadwire from the fan

3410-3. MU-GA80VB -OUTDOOR UNIT E1OPERATING PROCEDUREPHOTOS1.Removing the cabinet(1) Remove the screws of the service panel.(2) Remove the screws of

35Photo 6Suction pipeDischarge pipeTerminal coverOPERATING PROCEDUREPHOTOS3. Removing the propeller and the outdoor fan motor(1) Remove the cabinet. (

36PARTS LIST11MU-GA50VB -MU-GA60VB -11-1. OUTDOOR UNITSTRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSE1E111712131116456109823719201415222118

37MU-GA50VB -MU-GA60VB -11-1. OUTDOOR UNITSTRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSE1E1MU-GA50VB - E1MU-GA60VB -E1Symbolin WiringDiagr

38MU-GA80VB -11-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSE142113911210 11256781514151617181922232425320OB370-2.qxp 04.1

39MU-GA80VB -11-2. OUTDOOR UNIT STRUCTURAL PARTS, ELECTRICAL PARTS AND FUNCTIONAL PARTSE1MU-GA80VB - E1Symbolin WiringDiagramQ'ty/unitRemarksPar

4Electronic scale for refrigerant chargingOutdoor unitRefrigerant gas cylinderoperating valveRefrigerant gas cylinderfor R410A with siphonRefrigerant

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

5PART NAMES AND FUNCTIONS2Drainage hosePipingAir inletAir inletAir outletDrain outlet(back and side)Air outlet(back and side)OUTDOOR UNITMU-GA50VB -M

SPECIFICATION63Outdoor modelFunctionPower supplyCapacityDehumidificationAir flow(High) Power outletRunning currentPower inputPower factorStarting curr

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

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

9OUTLINES AND DIMENSIONS5MU-GA80VB -E1OUTDOOR UNITUnit: mmOUTDOOR UNITMU-GA50VB - MU-GA60VB -E1E1100mm or more100mm or more100mm or more350mm or mo