SERVICE MANUALSPLIT-TYPE,HEAT PUMP AIR CONDITIONERSCONTENTS1. TECHNICAL CHANGES ····································2 2. PART NAMES AND FUNCTIONS·····
10CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C
11OUTLINES AND DIMENSIONS4MSH-07NV - MSH-09NV - MSH-07NV - MSH-09NV -E2E2E1E1MUH-07NV - MUH-09NV - MUH-07NV - MUH-09NV -E2E2E1E1INDOOR UNITOUT
12MSH-12NV - MSH-12NV -E2E1MUH-12NV - MUH-12NV -E2E1INDOOR UNITOUTDOOR UNIT9.52If the right/left sides or back side is vacant,thefront has only to
OUTDOOR UNIT13MSH-18NV - MSH-24NV - MSH-18NV - MSH-24NV - MSH-18NV -E3E2E2E1E1MUH-18NV - MUH-18NV - MUH-18NV -E3E2E1INDOOR UNIT33 297297450450
14MUH-24NV- MUH-24NV- Unit : mm (inch)E2E1100 101000For 10 units or less200Outdoor Unit-Necessary surrounding clearance(Concentrated installation)The
15WIRING DIAGRAM5NOTE:1. For the outdoor electric wiring refer to the outdoor unit electric wiring diagram for servicing.2. Use copper conductors only
16MSH-12NV -E1MUH-12NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNIT❈❈❈❈❈❈~/N~TO OUTDOORUNITCONNECTING12VDCL32N;FOR MULTI SYSTE
17MSH-18NV -E1MUH-18NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNIT❈❈❈❈❈❈SYMBOLTBDSARHIC1SYMBOLNR11RT11RT12IC14152CSYMBOLC11F1
18MSH-24NV -E1MUH-24NV -E1MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITNFWHTBLUBLU4312111CN52CCIRCUIT BREAKERRT12IC141112CNHIC1NR1
19MSH-07NV - MSH-09NV - MSH-12NV -E2E2E2MUH-07NV - MUH-09NV -E2E2MODELS WIRING DIAGRAMMODELS WIRING DIAGRAMINDOOR UNITOUTDOOR UNITCIRCUIT BREAKER
2TECHNICAL CHANGESMSH-17NV - ➔MSH-07NV -1. Indoor electronic control P.C.board has changed.However, it is compatible between and models.2. Auto r
20MUH-12NV -E2MODEL WIRING DIAGRAMOUTDOOR UNIT21S4SR61CN661 CN721X62MCMF52C43WHTREDBLUBLUBLKWHTORNREDBLKWHTREDTRANSRSCC1REDBLK12VDCGRN/YLWTOINDOOR UN
21MSH-18NV -E2MUH-18NV -E2MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNIT~/NTO OUTDOORUNITCONNECTING12VDCL32NFOR MULTI SYSTEM;SYMBOL
22MSH-24NV -E2MUH-24NV -E2MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITNFWHTBLUBLU431111CN52CCIRCUIT BREAKERRT12IC141112CNHIC1NR11
23MSH-18NV -E3MUH-18NV -E3MODEL WIRING DIAGRAMMODEL WIRING DIAGRAMINDOOR UNITOUTDOOR UNITCIRCUIT BREAKERN212VDCL50HzCORDPOWERSUPPLY~/N 220-240VF11NR
24REFRIGERANT SYSTEM DIAGRAM6MSH-07NV -MSH-07NV -E2E1MUH-07NV -MUH-07NV -E2E1INDOOR UNITOUTDOOR UNITIndoorheatexchangerRoom temperaturethermistorR
25Unit:mmMSH-12NV -MSH-12NV -E2E1MUH-12NV -MUH-12NV -E2E1INDOOR UNITOUTDOOR UNIT(with heat insulator)(with heat insulator)Refrigerant pipe [12.7(
26MSH-24NV -MSH-24NV -E2E1MUH-24NV -MUH-24NV -E2E1INDOOR UNITOUTDOOR UNITIndoorheatexchangerRoom temperaturethermistorRT11Refrigerant pipe [15.88
27Models Piping size O.D : mm Length of connecting pipe : mRefrigerant pipingMax. length : m A1015Indoor unit0.43Gas9.5212.715.88Liquid6.359.52Outdoor
28EVACUATION PROCEDURES(AIR PURGE)Pipe length :7m maximumNo gas chargeis neededPipe lengthexceeding 7mCharge the prescribedamount of gasTighten the ca
297The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions,since operating cond
3PART NAMES AND FUNCTIONS2INDOOR UNITMSH-07NV - MSH-07NV -MSH-09NV - MSH-09NV -MSH-12NV - MSH-12NV -E2E1E2E1E2E1OUTDOOR UNITMUH-12NV -MUH-18NV
300.70.60.50.40.376543Outdoor low pressureAmbient temperature(˚C)Ambient humidity(%)Ambient temperature(˚C)Ambient humidity(%)MUH-07NV -E2E1MUH-07NV
310.70.60.50.40.376543MUH-12NV -E2E1MUH-12NV -E2E1Outdoor low pressureAmbient temperature(˚C)Ambient humidity(%)Ambient temperature(˚C)Ambient humid
32HEAT operationCondition indoor:Dry bulb temperature 20.0°CWet bulb temperature 14.5°COutdoor:Dry bulb temperature 7,15,20°CWet bulb temperature 6,12
33MICROPROCESSOR CONTROL8Once the controls are set, the same operation mode can berepeated by simply turning the OPERATE/STOP button ON.Indoor unit re
34ModelCOOL mode of"I FEEL CONTROL"DRY mode of"I FEEL CONTROL"HEAT mode of"I FEEL CONTROL"Initial room temperature In
35NOTE : Coil frost prevention during COOL mode of “I FEEL CONTROL”There are two types of controls in coil frost prevention.① Temperature control<M
36— HEAT mode of “I FEEL CONTROL” —1. Indoor fan speed control(1) Followings are the fan speed in AUTO.Set temperature minus room temperature: 2 degre
37NOTE 1 :When the outdoor fan is OFF in heating, defrosting of outdoor heat exchanger is not detected by the defrost thermis-tor RT61.NOTE 2 :When co
38NOTE1 ● When the indoor coil thermistor reads above 18°C, indoor fan operates at VLo for 30 seconds.● When the indoor coil thermistor reads 18°C or
398-2. COOL ( ) OPERATION(1) Press OPERATE/STOP button.OPERATION INDICATOR of the indoor unit turns on with a beep tone.(2) Select COOL mode.(3) Set t
4REMOTE CONTROLLERMSH-07NV - MSH-09NV - MSH-12NV - MSH-18NV - MSH-18NV -E2E1E1E1E1OB207t-1qxp 25/9/97 8:51 PM Page 4
40SLEEP8-6. AUTO VANE OPERATION(1) Vane motor driveMSH-N series is equipped with a stepping motor for the vane. The rotating direction, speed, and ang
41(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
428-8. 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 correct
438-9. EMERGENCY-TEST OPERATIONWhen the remote controller is missing, has failed or the batteries run down, press the EMERGENCY OPERATION switchon the
449SERVICE FUNCTIONS1. COMPULSORY DEFROSTING MODE FOR SERVICEBy short circuit of the connector JP607 and R853 on the outdoor deicer P.C. board, defros
45How 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
46When the indoor unit is controlled with the remote controller, the operation mode, set temperature, and the fan speed arememorized by the indoor ele
4710 TROUBLESHOOTING10-1 Cautions on troubleshooting10-1-1 Before troubleshooting, check the followings:1) Check the power supply voltage.2) Check the
4810-2 Instruction of troubleshootingIndoor unit oper-ates. Outdoor unitdoesn’t operate.Outdoor unitoperates inonly TestRun opera-tion.Outdoor unitdoe
4910-2-1 troubleshooting check table❈ Before taking measures, make sure that the symptom reappears, for accurate troubleshooting.Self check tableNO.12
5MSH-07NV - (Serial number 7000201T~) MSH-09NV - (Serial number 7000201T~)MSH-12NV - (Serial number 7000001T~) MSH-24NV -MSH-07NV - MSH-09NV -MS
50Measure the resistance between the terminals with a tester.(Coil wiring temperature10°C ~ 30°C)CompressorRoom temperaturethermistor10-2-2 Trouble cr
51YesYesCheck of indoor fan motorACheck of receiver P.C. boardBInodoor fan does not operate.Repair the indoor fan motor.Disconnect lead wires from con
52Check both “parts side”and “patternside”of indoor electronic control P.C.board visually.Check of indoor electronic control P.C. boardCThe unit doesn
53YesYesHow to check mis-wiring and serial signal error (when outdoor unit does not work)E1. Turn OFF power supply.2. Turn ON power supply.3. Press EM
54YesYesHow to check mis-wiring and serial signal error (when outdoor unit does not work)E1. Turn OFF power supply.2. Turn ON power supply.3. Press EM
55TEST POINT DIAGRAM AND VOLTAGEMSH-18NV -Indoor electric control P.C.boardE1}}}}}Fan motor power supplyFuse AC250V 3.15APower supply inputAC 220-240
56MUH-18NV -Outdoor deicer P.C. boardE1}Defrostthermistor(RT61)}}}}}}}+--Outdoor fan motorAC 220-240VReversing valve coilAC 220-240VR601DC5~10VINPUTA
57TEST POINT DIAGRAM AND VOLTAGEMSH-07NV - MSH-09NV - MSH-12NV -MSH-07NV - MSH-09NV - MSH-12NV -Indoor electronic control P.C. boardE2E2E2E1E1E1CN201
58TEST POINT DIAGRAM AND VOLTAGEMSH-24NV - MSH-18NV -MSH-24NV - MSH-18NV -E3E2E2E1Fan motor power supplyFuse AC 250V 3.15A}Power supply inputAC 22
59MUH-07NV - MUH-09NV - MUH-12NV -MUH-24NV - MUH-07NV - MUH-09NV -MUH-12NV - MUH-18NV - MUH-24NV -MUH-18NV -Outdoor deicer P.C. boardE3E2E2E
6SPECIFICATION3CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of
6011DISASSEMBLY INSTRUCTIONS2. Removing the electronic control P.C. board and thedisplay P.C. board.(1) Remove the front panel. (Refer to 1)(2) Remove
61OPERATING PROCEDURE PHOTOS3. Removing the electrical box(1) Remove the front panel. (Refer to 1)(2) Remove the electrical cover.(3) Disconnect the c
62OPERATING PROCEDURE PHOTOS1. Removing the front panel(1) Remove the screw caps at the down of the front panel.Remove the screws.(2) Pull the panel d
63OPERATING PROCEDUREPHOTOS3. Removing the electrical box(1) Remove the front panel. (Refer to 1)(2) Remove the electrical cover.(3) Disconnect the co
6411-3 MUH-07NV - MUH-09NV - MUH-07NV - MUH-09NV -OUTDOOR UNITE2E2E1E1OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove the top panel.(2
65OPERATING PROCEDURE PHOTOS4. Removing the outdoor fan motor(1) Remove the screws securing the outdoor fan motor.(2) Remove the lead clamps.(3) Disco
66OPERATING PROCEDURE PHOTOS1. Removing the cabinet(1) Remove the screws of the cabinet.(2) Hold the down of the cabinet on the both side to removethe
67OPERATING PROCEDURE PHOTOS3. Removing the outdoor fan motor(1) Remove the cabinet. (Refer to 1)(2) Disconnect the connector remove the clamp of fan
68OPERATING PROCEDURE PHOTOS1. Removing the electrical parts(1)Remove the screws and the top panel.(2)Remove the screw of the cover panel. To remove
69OPERATING PROCEDURE PHOTOS3. Removing the heat exchanger and the compressor(1)Remove the rear panel.Remove the valve bed, andopen the rear panel to
7CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.
7012 PARTS LIST123456E02 154 000E02 157 000E02 199 000E02 151 010E02 164 100E02 151 234E02 166 234E02 151 970E02 166 067FRONT PANEL(WH)FRONT PANEL(WH)
71Symbolin WiringDiagramQ'ty/unitRemarksPart No.NO. Part NameMSH-07NV- (WH)E1 E2MSH-09NV- (WH)E1 E2MSH-12NV-
72E02 096 232E02 085 297E02 199 521E02 085 245E02 096 630E02 128 900E02 164 900E02 047 506E02 096 290E02 096 662E02 096 661E02 085 515E02 154 642E02 0
731234567PROPELLER FANOUTDOOR FAN MOTORCOMPRESSOR CAPACITORTERMINAL BLOCKDEFROST THERMISTORDEICER P.C. BOARDREVERSING VALVE COILRA6V29-25+/440VACMFC1T
74Part number that are circled is not shown in the illustration.123456789101112131415161718192021GRILLCABINET ASSEMBLYBACK PANELSERVICE PANELCOMPRESSO
75Symbolin WiringDiagramQ'ty/unit1PC/SET3PCS/SETRemarksPart No.NO.Part NameMSH-18NV- MSH-24NV- 1234567FRONT PANEL(WH)GRILLE(WH)BOX(WH)AIR FILTER
7612345678910111213141516171819NO.E02 143 235E02 143 040E02 141 702E02 141 300E02 213 300E02 001 505E02 138 395E02 320 395E02 139 450E02 198 450E02 21
77Symbolin WiringDiagramQ'ty/unitMUH-18NV-RemarksPart No.NO. Part NameE3E2E1E02 141 232E02 141 521E02 141 245E02 139 630E02 139 515E02 139 900E02
7817137 5 312222048961412 15 1611181019OUTDOOR UNITSTRUCTURAL PARTSMUH-24NV-MUH-24NV-E2E12423OB207t-3qxp 25/9/97 9:11 PM Page 78
79OUTDOOR UNITSTRUCTURAL PARTSMUH-24NV-MUH-24NV-E2E1Symbolin WiringDiagramQ'ty/unitMUH-24NV-RemarksPart No.NO. Part NameE1MUH-24NV-E2E02 214 232E
8CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.
New publication, effective Sep. 1997Specifications subject to change without notice.CCCopyright 1997 MITSUBISHI ELECTRIC ENGINIEERING CO.,LTDIssued in
9CapacityElectrical dataCompressorIndoorfan motorOutdoorfan motorDimensionsWeightSpecial remarksModelFunctionPower supplyCoefficient of performance(C.
Kommentare zu diesen Handbüchern