Mitsubishi Electric MSZ-G09SV Manuel de service

SERVICE MANUALSPLIT-TYPE, HEAT PUMP AIR CONDITIONERSWireless typeModelsNo. OB245CONTENTS1. PART NAMES AND FUNCTIONS······················22. SPECIFICA

10OUTDOOR UNITMUZ-G09SV- MODEL WIRING DIAGRAME1BLKR64WHTREDWHTBLU6 5 4 3 2 1X61CN725RT64GRNWHTTAB65CY613C65ORNNWVUR61DS62REDC63DS61BLKF801(-)(+)TAB63

11OUTDOOR UNITMUZ-G12SV- MODEL WIRING DIAGRAME1BLKR64WHTREDWHTBLU6 5 4 3 2 1X61CN725RT64GRNWHTTAB65CY613C65ORNNWVUR61DS62REDC63DS61BLKF801(-)(+)TAB63

12MUZ-G09SV -E1OUTDOOR UNITREFRIGERANT SYSTEM DIAGRAM6MSZ-G09SV -E1INDOOR UNITUnit : mmIndoorheatexchangerOutdoorheatexchangerFlared connectionRoom te

13MAX. REFRIGERANT PIPING LENGTHRefrigerant PipingMax. length Aw Height difference should be within 8m(MSZ-G09SV- E1 )/ 10m(MSZ-G12SV- E1 )

14PERFORMANCE CURVES7The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions.Si

1511.510.59.68.67.76.8MSZ-G09SV- E111.610.69.68.77.86.9MSZ-G12SV- E10 50 100 150(Hz)0.00.51.01.5Correction of Cooling capacityCapacity correction fact

1628.025.923.721.619.417.215.112.9MSZ-G09SV- E129.327.124.822.620.318.115.813.5MSZ-G12SV- E1Heating capacityNOTE:The above curves are for the heating

17OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT1 Both indoor and outdoor unit are under the same temperature/humidity condition.NOTE : The unit of pre

186.05.55.04.54.03.53.02 5 10 15 20 25230V58HzMUZ-G12SV -E1Outdoor unit current (A)Ambient temperature(:)HEAT operationCondition Indoor : Dry bulb te

19MSZ-G09SV - MUZ-G09SV -E1E1CAPACITY:2.6(KW)INPUT:940(W)SHF:0.68OUTDOOR DB(;)INDOOR INDOOR21 25 27 30DB(;) WB(;)Q SHC SHF INPUT Q SHC SHF INPUT

2MUZ-G09SV-MUZ-G12SV-E1E1OUTDOOR UNITAir inletAir outletDrain outletPipingDrain hose1PART NAMES AND FUNCTIONSINDOOR UNITMSZ-G09SV-MSZ-G12SV-E1E1Emerge

20CAPACITY:2.6(KW)INPUT:940(W)SHF:0.68OUTDOOR DB(;)INDOOR INDOOR35 40 43 46DB(;) WB(;)Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INP

21MSZ-G12SV - MUZ-G12SV -E1E1CAPACITY:3.5(KW)INPUT:1290(W)SHF:0.67OUTDOOR DB(;)INDOOR INDOOR21 25 27 30DB(;) WB(;)Q SHC SHF INPUT Q SHC SHF INPUT

22CAPACITY:3.5(KW)INPUT:1290(W)SHF:0.67OUTDOOR DB(;)INDOOR INDOOR35 40 43 46DB(;) WB(;)Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF IN

23CAPACITY:3.6(KW)INPUT:1140(W)OUTDOOR DB(;)INDOOR-10 -5 0 5 10 15 20DB(;)Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT15 2.27 741 2.74 8

24MICROPROCESSOR CONTROL8Signal transmitting sectionOperation display sectionOPERATE /STOP(ON /OFF)buttonOPERATION SELECT buttonFAN SPEED CONTROL butt

255. TEMPERATURE buttonsIn “I FEEL CONTROL” (h)mode, set temperature is decided by the microprocessor based on the room temperature.In addition, set t

26—DRY mode of “I FEEL CONTROL”—The system for dry operation uses the same refrigerant circuit as the cooling circuit.The compressor and the indoor fa

27(3) Warm air control.When the following any condition of 1(a. ~ d.) and the condition of 2 are satisfied at the same time, warm air controlworks.1 a

28Time chart of defrost in HEAT mode (reverse type)normalIndoor fanCompressor normalOutdoor fan motorR.V. coil (21S4)OFFONOFF105Hz (MSZ-G09SV)125Hz (M

298-4. HEAT ( ) OPERATION(1) Press OPERATE/STOP(ON/OFF) button.OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.(2) Select HEAT m

3REMOTE CONTROLLERSignal transmitting sectionOperation display sectionOPERATE /STOP(ON /OFF)buttonOPERATION SELECT buttonFAN SPEED CONTROL buttonON-TI

30(5) Dew preventionDuring COOL or DRY operation with the vane angle at Angle 4 or 5 when the compressor cumulative operation timeexceeds 1 hour, the

31(8) ECONO COOL ( ) operation (ECONOmical operation)When the ECONO COOL button is pressed in COOL mode, set temperature is automatically set 2°C high

32PROGRAM TIMER(Example 1) The current time is 8:00 PM.The unit turns off at 11:00 PM, and on at 6:00 AM.● The OFF timer and ON timer can be used in c

338-9. Operational frequency control of outdoor unit1. OutlineThe operational frequency is decided by following:First, set the target operational freq

348-10. Electronic expansion valve control (LEV control)(1) Outline of LEV controlThe LEV basic control is comprised of setting LEV opening degree to

35In COOL mode, the two indoor coil thermistor (one main and one sub) sense temperature ununiformity (super heat)at the heat exchanger, And when tempe

368-12. 4-way valve controlCOOL&DRY mode. . . . . . . OFF(Voltage is not supplied from relay P.C. board to R.V. Coil.). . . . . . . . . . . . . .

378-13. Indoor fan motor controlThe detected rotational frequency of the fan motor is feed backed to the microprocessor and then the microprocessorwor

389-3. P.C. BOARD MODIFICATION FOR INDIVIDUAL OPERATION A maximum of 4 indoor units with wireless remote controllers can be used in a room. In this ca

399-4. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speeda

42SPECIFICATIONIndoor modelFunctionPower supplyCapacityAir flow(Hi)DehumidificationPower outletRunning currentPower inputAuxiliary heaterPower factorS

40TROUBLESHOOTING10MSZ-G09SV -MSZ-G12SV -E1E111-1. Cautions on troubleshooting1. Before troubleshooting, check the following:1) Check the power supp

4110-2. Troubleshooting procedureThe following procedure facilitates identifying defective points.Details of OPERATION INDICATOR lamp flashing can be

421. Troubleshooting check table (Indoor unit troubleshooting check table)MSZ-G09SV -MSZ-G12SV -E1E1Operation Indicatorflashing· Flashing of the op

43(Outdoor LED indication table)MUZ-G09SV -MUZ-G12SV -NOTE 1. The location of LED is illustrated at the right figure.2. LED lights up during normal op

442. Checking mis-wiring and serial signal error Outdoor unit does not operate. When the OPERATION INDICATOR lamp (on the left-hand side) flashes on a

453. Trouble shooting procedure of main parts(Simple check method of main parts)MSZ-G09SV - MUZ-G09SV -MSZ-G12SV - MUZ-G12SV -E1E1E1E1Checking method

46Checking method and criterionPart nameOutdoor fanmotor (MF61)Vane motor (MV1, MV2)R.V. coil (21S4)Expansion valve(LEV)Measure the resistance between

47How to check inverter/ compressorACheck the voltagebetween terminals.Check thecompressor.Disconnect the connectorbetween compressor andtransistor mo

48 Check of compressor windingECheck of compressorD● Disconnect the connector between compressor and transistor module, and measure resistance between

49●Re-install the unit away from the lights.●Attach a filter on receiving part.Check of remote controller and power monitor, receiver P.C. board.HChec

51.5+ 440V250V 3.15A93.5:5A 250VMP24GA 12V 300"ERZV10D471S201DH1Y5PJM1aN-ZTMP-DC12V136:i3: 2A 100+ 420V1500+ 420V8A 8mH70m" 5W 10" 15

50Check of outdoor thermistorsJCheck of indoor electronic control P.C. boardIThe unit does not operate with the remote controller. The OPERATION INDIC

51Check of outdoor fan motorLCheck of R.V. coilKDisconnect the connector between the compressor and transistor module.Turn ON the power supply to ind

52Replace the current limiting resistor (R64).Check of thermal fuseNCheck of power supply.MDisconnect the connector between compressor and transistor

53Replace the LEV coil.Replace the LEV.Check of linear expansion valve (LEV)PWith remote controller set toward the indoor unit, press OPERATE/ STOP(O

54TEST POINT DIAGRAM AND VOLTAGEMSZ-G09SV -MSZ-G12SV -Indoor electronic control P.C. boardE1E1Varistor (NR11)Fuse (F11) 250V AC 3.15ARoom temperaturet

55MUZ-G09SV -MUZ-G12SV -E1E1Outdoor electronic control P.C. board-20 -10 0 10 20 30 400102030405060708090100Temperature(:)Defrost thermistor(RT61)Te

56MUZ-G09SV -Noise filter P.C. boardE1MUZ-G12SV -Noise filter P.C. boardE1}Current -limit-ing relay(X64)Surge absorber(DSA61)Current -limit-ing rela

57MUZ-G09SV -MUZ-G12SV -Relay P.C. boardE1E1R.V. coil(21S4)230V ACOutdoor fan motor (MF61)230V AC OB245-2.qxp 3/3/00 11:29 AM Page 57

58DISASSEMBLY INSTRUCTIONS1111-1. MSZ-G09SV - MSZ-G12SV -INDOOR UNITE1E1(1) Slide the sleeve and check if there is a locking lever or not. (2) The te

59OPERATING PROCEDURE PHOTOS4. Removing the vane motor(1) Remove the front panel.(2) Remove the screws of the vane motor, disconnect the vanemotor con

690807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.002 MICRO BARBAND CENTER

6011-2. MUZ-G09SV - MUZ-G12SV -OUTDOOR UNITE1E1OPERATING PROCEDUREPHOTOS1. Removing the cabinet(1) Remove the screws fixing the service panel.(2) Pu

61OPERATING PROCEDUREPHOTOS7. Removing the compressor(1) Remove the service panel, top panel and the cabinet.(Refer to 1)(2) Remove the soundproof fel

62PARTS LIST12MSZ-G09SV - (WH)MSZ-G12SV - (WH)12-1. INDOOR UNIT STRUCTURAL PARTSE1E1E02 424 000E02 424 010E02 408 100E02 410 100E02 409 234E

63E02 448 235E02 409 040E02 409 041E02 408 702E02 001 504E02 408 303E02 448 303E02 151 300E02 151 505E02 408 302E02 408 509E02

64MUZ-G09SV -MUZ-G12SV -E1E112-5. OUTDOOR UNIT STRUCTURAL PARTS AND FUNCTIONAL PARTS591741516621810131437 1112Part numbers that are circled are not sh

65MUZ-G09SV -MUZ-G12SV -E1E112-6. OUTDOOR UNIT ELECTRICAL PARTS1112410981331276Part number that is circled is not shown in the illustration.DIODE STAC

13OPTIONAL PARTS6613-1. AIR CLEANING FILTER● AIR CLEANING FILTER removes fine dust of 0.01 micron from air by means of static electricity.● Normal lif

OB245-3.qxp 3/3/00 11:38 AM Page 67

HEAD OFFICE MITSUBISHI DENKI BLDG.MARUNOUCHI TOKYO100-8310 TELEX J24532 CABLE MELCO TOKYOCCCopyright 2000 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDIssue

7OUTLINES AND DIMENSIONS4MSZ-G09SV-E1INDOOR UNITUnit: mmMSZ-G12SV-E1INDOOR UNIT116.581.57867818850165629567 or more100412.542271 4.5231.582 169326 326

8Liquid refrigerant pipe jointRefrigerant pipe (flared) [6.35Service panelGas refrigerant pipe jointRefrigerant pipe (flared) [9.52 (MUZ-G09SV - E1 )S

95 WIRING DIAGRAMINDOOR UNITMSZ-G09SV- MODELS WIRING DIAGRAME1POWERSUPPLYCORD~/N 230V50HzGRN/YLWBLKGRYYLWBRNWHTREDMF1234563SR141321CN121C11HIC1TRANSM