Mitsubishi Electric MUCFH-24NV- E3 Manual de servicio

SERVICE MANUALSPLIT-TYPE,HEAT PUMP AIR CONDITIONERSCONTENTS1. TECHNICAL CHANGES ····································22. PART NAMES AND FUNCTIONS······

10MS-12NV - MS-12NV -E2E1MU-12NV - MU-12NV -E2E1INDOOR UNITOUTDOOR UNIT{12.7If the right/left sides or back side is vacant,thefront has only to be

11MS-18NV - MS-24NV -MS-18NV - MS-24NV - MS-18NV -E3E2E2E1E1MU-18NV - MU-24NV -MU-18NV - MU-24NV - MU-18NV -E3E2E2E1E1OUTDOOR UNITINDOOR UNI

MS-07NV -MS-09NV -E1E1MU-07NV -E1MU-09NV -E1MODELS WIRING DIAGRAMMODELS WIRING DIAGRAMINDOOR UNITOUTDOOR UNITSYMBOLC11F12F11MFSYMBOLNR11RT11RT12HI

13MS-12NV -E1MU-12NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITSYMBOLC11F12F11MFSYMBOLNR11RT11RT12HIC1SYMBOLTBMVSR1152CNAMEN

14MS-18NV -E1MU-18NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITBRNDSARGRN/YLWLD1REMOTECONTROLLER31DISPLAYP.C.BOARD101CN102CN

15MS-24NV -E1MU-24NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNIT52CCIRCUIT BREAKERRT12IC141112CNHIC1NR11TRANS1220-240V~WHT220

16MS-07NV - MS-09NV - MS-12NV -E2E2E2MU-07NV - MU-09NV -E2E2MODELS WIRING DIAGRAMMODELS WIRING DIAGRAMINDOOR UNITOUTDOOR UNITSYMBOLC11F12F11MFSYM

17MS-18NV -E2MU-18NV -E2MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNIT~SYMBOLTBDSARHIC1SYMBOLNR11RT11RT12IC14152CSYMBOLC11F12F11MFM

18MS-24NV -E2MU-24NV -E2MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITSYMBOLTBDSARHIC1SYMBOLNR11RT11RT12IC14152CSYMBOLC11F12F11MFMV

19MU-12NV - MU-18NV -E3E2MODELS WIRING DIAGRAMOUTDOOR UNITNOTE:1. Use copper conductors only.(For field wiring)2. “❈”show the terminals with a lock

2TECHNICAL CHANGESMS-07NV - ➔MS-07NV -1. Indoor electronic control P.C. board has changed.However, it is compatible between and models.2. Auto res

20REFRIGERANT SYSTEM DIAGRAM6MS-07NV - MS-09NV -MS-07NV - MS-09NV -E2E2E1E1MU-07NV - MU-09NV -MU-07NV - MU-09NV -E2E2E1E1MS-12NV - MS-12NV -

21Unit:mmMS-24NV - MS-24NV -E2E1MU-24NV - MU-24NV -E2E1INDOOR UNITOUTDOOR UNITIndoorheatexchangerRoom temperaturethermistorRT11Refrigerant pipe [1

22ModelOutdoor unit precharged(up to 7m)65090085080016502150 Refrigerant piping length (one way)15m1207m010m45MS-07NV - E1MS-07NV - E2MS-09NV -

23Pipe length :7m maximumNo gas chargeis needed.Pipe lengthexceeding 7mCharge the prescribedamount of gas.Tighten the cap to the service port to obtai

24PERFORMANCE CURVESThe standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions.Sin

25876543MU-09NV -E2E1MU-09NV -E2E1220V240VOutdoor unit current(A)Ambient temperature(˚C)Ambient humidity(%)876543MU-07NV -E2E1MU-07NV -E2E1Ambient

26765432MU-12NV -E2E1MU-12NV -E2E1220V240VOutdoor unit current(A)Ambient temperature(˚C)Ambient humidity(%)Ambient temperature(˚C)Ambient humidity(

27Once the controls are set, the same operation mode can berepeated by simply turning the OPERATE/STOP button ON.Indoor unit receives the signal with

28ModelCOOL mode of"I FEEL CONTROL"DRY mode of"I FEEL CONTROL"Initial room temperature Initial set temperature26: or more26: or

29NOTE : Coil frost prevention during COOL mode of “I FEEL CONTROL”There are two types of controls in coil frost prevention.① Temperature control<M

3PART NAMES AND FUNCTIONS2INDOOR UNITMS-07NV - MS-09NV - MS-12NV -MS-07NV - MS-09NV - MS-12NV -E2E2E2E1E1E1OUTDOOR UNITMU-12NV - MU-18NV -MU-2

30Operation time chartExampleNOTE ● Coil frost prevention during DRY mode of “I FEEL CONTROL”The operation is same as coil frost prevention during COO

31SLEEP6. AUTO VANE OPERATION(1) Vane motor driveMS(D)-N series is equipped with a stepping motor for the vane. The rotating direction, speed, and ang

32(3) PositioningThe vane is once pressed to the vane stopper below to confirm the standard position and then set to the desired angle.The positioning

338. TIMER OPERATION1. How to set the timer(1) Press OPERATE/STOP button to start the air conditioner.(2) Check that the current time is set correctly

349. EMERGENCY-TEST OPERATIONWhen the remote controller is missing, or has failed, or when the batteries run down, press the EMERGENCY OPERATIONswitch

35How to modify the remote controller P.C. boardRemove batteries before modification.The board has a print as shown below :The P.C.board has the print

When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed arememorized by the indoor elect

3710 TROUBLESHOOTING10-1 Cautions on troubleshooting10-1-1 Before troubleshooting, check the followings:1) Check the power supply voltage.2) Check the

3810-2 Instruction of troubleshootingIndoor unit oper-ates. Outdoor unitdoesn’t operate.Outdoor unitoperates inonly TestRun opera-tion.Outdoor unitdoe

39Measure the resistance between the terminals with a tester.(Coil wiring temperature –10°C ~ 40°C)Measure the resistance between the terminals with a

4REMOTE CONTROLLERMS-07NV - MS-09NV - MS-12NV -MS-18NV - MS-24NV - MS-18NV -E2E1E1E1E1E1OB206t-1.qxp 25/9/97 6:43 PM Page 4

Replace the receiver.Replace the remote controller.Replace batteries.(see page 37.)Check the model name of remote controller.Repair the indoor fan mot

Check the conti-nuity of indoorand outdoor unitconnection.Replace the indoor electronic con-trol P.C. board.Check the outdoor wiring and con-ductor re

42TEST POINT DIAGRAM AND VOLTAGEMS-18NV -Indoor electronic control P.C. boardE1Fan motor power supply}Fuse AC250V 3.15APower supply input AC220-240V+

43TEST POINT DIAGRAM AND VOLTAGEMS-07NV - MS-09NV - MS-12NV -MS-07NV - MS-09NV - MS-12NV -Indoor electronic control P.C. boardE2E2E2E1E1E1CN201 No

44TEST POINT DIAGRAM AND VOLTAGEMS-24NV - MS-18NV -MS-24NV - MS-18NV -Indoor electronic control P.C. boardE3E2E2E1}}}}Fan motor power supplyFuse AC250

45DISASSEMBLY INSTRUCTIONS11OPERATING PROCEDURE PHOTOS1. Removing the front panel(1) Remove the screws caps of the front panel.Remove the screws.(2) P

46OPERATING PROCEDURE PHOTOS3. Removing the electrical box(1) Remove the front panel. (Refer to 1)(2) Remove the electrical cover.(3) Disconnect the c

47OPERATING PROCEDURE PHOTOS1. Removing the front panel(1) Remove the screws caps at the down of the front panel.Remove the screws.(2) Pull the panel

48OPERATING PROCEDURE PHOTOSPhoto 3Photo 4Heat exchangerscrewCatchBearing supportscrewsHeat exchangerIndoor fan motorLine flow fan Motor bandFanmotors

49OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove screws securing the top panel.(2) Remove the screw securing the service panel.(3) Remove

5MS-07NV - (Product number 7000001T~) MS-09NV - (Product number 7000001T~)MS-12NV - (Product number 7000001T~) MS-24NV - (Product number 7000001

50OPERATING PROCEDURE PHOTOS3. Removing the compressor(1) Remove the lead clamps.(2) Remove the screws fixing the relay panel.(3) Remove the screw fix

51OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the bottom of the cabinet on the both side to removet

52PHOTOS3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1)(2) Disconnect the connector remove the hooked lead wirefrom the fan moto

53PARTS LIST12INDOOR UNITSTRUCTURAL PARTSMS-07NV - (WH)MS-09NV - (WH)MS-12NV - (WH)MS-07NV - (WH)MS-09NV - (WH)MS-12NV - (WH)E2E2E2E1E1E1E02 202

54INDOOR UNITELECTRICAL PARTSMS-07NV - (WH) MS-09NV - (WH) MS-12NV - (WH) MS-07NV - (WH) MS-09NV - (WH) MS-12NV - (WH) E2E2E2E1E1E1E02 166 235E0

55OUTDOOR UNITSTRUCTURAL PARTSMU-07NV -MU-09NV -MU-07NV -MU-09NV -E2E2E1E1E02 096 232E02 085 297E02 199 521E02 085 245E02 085 630E02 127 900E02 16

56E02 085 501E02 085 301E02 085 353E02 002 350E02 202 37412345PROPELLER FANOUTDOOR FAN MOTORCOMPRESSOR CAPACITOROUTDOOR FAN CAPACITORTERMINAL BLOCKSym

57OUTDOOR UNITSTRUCTURAL PARTSMU-12NV -MU-12NV -E2E1E02 141 521E02 141 232E02 140 233E02 141 245E02 075 506E02 140 515E02 141 630E02 141 900E02 140

58INDOOR UNITSTRUCTURAL PARTSMS-18NV - (WH)MS-24NV - (WH)MS-18NV - (WH)MS-24NV - (WH)MS-18NV - (WH)E3E2E2E1E1E02 138 000E02 138 010E02 143 234E02

INDOOR UNITELECTRICAL PARTSMS-18NV - (WH)MS-24NV - (WH)MS-18NV - (WH)MS-24NV - (WH)MS-18NV - (WH)E3E2E2E1E159E02 143 235E02 143 040E02 141 702E02

CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.O

60Symbolin WiringDiagramQ'ty/unitRemarksPart No.NO.Part NameE1 E1E2 E3-- -E2-E02 141 232E02 141 521E02 141 245E02 138 630E02 147 630E02 138 515E0

61ACCESSORY AND REMOTE CONTROLLER PARTSMS-07NV - (WH)MS-09NV - (WH)MS-12NV - (WH)MS-18NV - (WH)MS-24NV - (WH)MS-07NV - (WH)MS-09NV - (WH)MS-12N

62Part No.ModelMAC-1000FTMAC-1100FTE1 E2MS-07NV - , MS-09NV - , MS-12NV - MS-18NV -

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HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100 TELEX J24532 CABLE MELCO TOKYOCCCopyright 1997 MITSUBISHI ELECTRIC ENGINIEERING CO.,LTDIssued in

7CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.

8CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.

9OUTLINES AND DIMENSIONS4MS-07NV - MS-09NV -MS-07NV - MS-09NV -E2E2E1E1MU-07NV - MU-09NV -MU-07NV - MU-09NV -E2E2E1E1INDOOR UNITOUTDOOR UNITUn