Mitsubishi Electric MSZ-A12RV-E1 Manual de servicio

SERVICE MANUALWireless typeModelsNo. OB230REVISED EDITION-ASPLIT-TYPE, HEAT PUMP AIR CONDITIONERSCONTENTS1. TECHNICAL CHANGES ·······················

106 WIRING DIAGRAMINDOOR UNITMSZ-A09RV- MSZ-A12RV- MODELS WIRING DIAGRAME1E1POWERSUPPLYCORD~/N 220-240V50HzGRN/YLWBLKGRYYLWBRNWHTREDMF1234563SR141321

11OUTDOOR UNITMUZ-A09RV- MUZ-A12RV- MODELS WIRING DIAGRAME1E1C65BLKCN771F90112CN911YLWX61REDWHTORGX62654321MF615CN914BOARDRELAYCN912CN779CN778CN91344

12MUZ-A09RV -MUZ-A12RV -E1E1OUTDOOR UNITREFRIGERANT SYSTEM DIAGRAM7MSZ-A09RV -MSZ-A12RV -E1E1INDOOR UNITUnit : mmMAX. REFRIGERANT PIPING LENGTHModelMS

13PERFORMANCE CURVES8The standard data contained in these specifications apply only to the operation of the air conditioner under normal conditions.Si

147.46.96.35.85.34.8MSZ-A09RV- E18.57.97.36.76.15.5MSZ-A12RV- E10 50 100 150(Hz)0.00.51.01.5Correction of Cooling capacityCapacity correction factorsT

1527.125.123.020.918.816.714.612.530.428.125.823.421.118.716.414.1MSZ-A12RV- E1MSZ-A09RV- E1NOTE:The above curves are for the heating operation withou

16OUTDOOR LOW PRESSURE AND OUTDOOR UNIT CURRENT1 Both indoor and outdoor unit are under the same temperature/humidity condition.NOTE : The unit of pre

176.05.55.04.54.03.53.02 5 10 15 20 25240V220V58HzMUZ-A12RV -E1Outdoor unit current (A)Ambient temperature(:)HEAT operationCondition Indoor : Dry bul

18PERFORMANCE DATACOOL operationMSZ-A09RV - MUZ-A09RV -E1E121183.06 1.71 0.56 640 2.93 1.64 0.56 672 2.81 1.57 0.56 704 2.70 1.51 0.56 73621203.19 1

19OUTDOOR DB(:)INDOOR INDOOR35 40 43DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT21 18 2.55 1.43 0.56 784 2.34 1.31 0.56 832 2.25 1.26

1 TECHNICAL CHANGES2INFORMATION FOR THE AIR CONDITIONER WITH R410A REFRIGERANT• This room air conditioner adopts R410A of HFC refrigerant which never

20MSZ-A12RV - MUZ-A12RV -E1E1OUTDOOR DB(:)INDOOR INDOOR21 25 27 30DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT21 18

21OUTDOOR DB(:)INDOOR INDOOR35 40 43DB(:) WB(:) Q SHC SHF INPUT Q SHC SHF INPUT Q SHC SHF INPUT21 18 3.33 1.70 0.51 1196 3.06 1.56 0.51 1269 2.94 1.

22OUTDOOR WB(:)INDOOR-10 -5 0 5 10 15 20DB(:) Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT Q INPUT15 3.02 1027 3.65 1232 4.27 1390 4.90 1501 5.52

23MICROPROCESSOR CONTROL9Signal transmitting sectionOperation display sectionOPERATE /STOP(ON /OFF)buttonOPERATION SELECT buttonFAN SPEED CONTROL butt

24ModelCOOL mode of"I FEEL CONTROL"DRY mode of"I FEEL CONTROL"HEAT mode of"I FEEL CONTROL"Initial room temperature In

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

269-1-3. HEAT mode of “I FEEL CONTROL”Defrosting in DRY mode The operational frequency of the compressor is controlled based on the temperature of the

272. High pressure protectionIn HEAT mode and manually-operated HEAT mode, the indoor coil thermistor detects the temperature at the indoor heatexchan

289-2. COOL ( ) OPERATION(1) Press OPERATE/STOP(ON/OFF) button.POWER MONITOR lamp of the indoor unit turns on with a beep tone.(2) Select COOL mode wi

295. Dew preventionDuring COOL or DRY operation with the vane angle at Angle 4 or 5 when the compressor cumulative operation timeexceeds 1 hour, the v

3-30 -20 -10 0 10 203040 50 60-0.50.00.51.01.52.02.53.03.54.0(MPa [Gauge])R410AR22Conversion chart of refrigerant temperature and pressureSaturated li

30COOL and DRYHEATAbout 100-About 150-Horizontal AIR FLOW blowing range7 Horizontal AIR FLOW ( )The vertical vane angle changes as follows by pressing

31PROGRAM 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

32GREEN SIGN21 22 23 24 25 26 27 28 29 30GREEN SIGN21 22 23 24 25 26 27 28 29 30GREEN SIGN21 22 23 24 25 26 27 28 29 30Light up Blinking lightPress

339-10. Operational frequency control of outdoor unit1. OutlineThe operational frequency is decided by following the procedures below:First, set the t

349-11 .Electronic expansion valve control (LEV control)(1)Outline of LEV controlThe LEV basic control is comprised of setting LEV opening degree to t

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

369-13. 4-way valve controlCOOL&DRY mode. . . . . . . . . ON(voltage applied)The 4-way valve turns ON as soon as thermostat turns ON.The 4-way val

379-14. Indoor fan motor controlThe detected rotational frequency of the fan motor is feed backed to the microprocessor and then the microprocessor wo

3810-3. 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 c

3910-4. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed

42PART NAMES AND FUNCTIONSINDOOR UNITMSZ-A09RV-MSZ-A12RV-E1E1Emergency operation switchDisplay sectionPower monitor lampReceiving sectionGrilleAir cle

40TROUBLESHOOTING1111-1. Cautions on troubleshooting1. Before troubleshooting, check the following:1) Check the power supply voltage.2) Check the indo

4111-2. Troubleshooting procedureThe following procedure facilitates identifying defective points.The abnormalities in can be located in the Troublesh

421. Troubleshooting check table (Indoor unit troubleshooting check table)MSZ-A09RV -MSZ-A12RV -E1E1 flash· Flashing of the POWER M

43(Outdoor LED indication table)MUZ-A09RV -MUZ-A12RV -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 POWER MONITOR lamp (on the left-hand side) flashes on and of

45Checking method and criterionPart name3. Trouble shooting procedure of main parts(Simple check method of main parts)MSZ-A09RV - MUZ-A09RV -MSZ-A12RV

46Checking method and criterionPart nameOutdoor fanmotor(MF61)Horizontal vanemotor(MV1)Vertical vanemotor(MV2)R.V. coil(21S4)Linear expan-sion valve(L

47(How to check inverter/compressor)StartCheck voltagebetween terminals.Are voltagesbalanced?Checkcompressor.Disconnect the connector between compress

48 Check of compressor windingDCheck of compressorC● Disconnect the connector between compressor and IPM, and measure resistance between the compresso

49●Re-install the unit away from the lights.●Attach a filter to light-intercepting part.Check of remote controller and indoor electronic control P.C.

5REMOTE CONTROLLERSignal transmitting sectionOperation display sectionOPERATE /STOP(ON /OFF)buttonOPERATION SELECT buttonFAN SPEED CONTROL buttonON-TI

50Check of outdoor thermistorsICheck of indoor electronic P.C. boardHMeasure resistance between CN 6411 and 2.Measure resistance between CN 6421 and 2

51Check of outdoor fan motorKCheck of R.V. coilJDisconnect connector between compressor and IPM.Turn on power supply to indoor unit, and press emergen

52Check of thermal fuseMCheck of power supplyL3 minutes after power turns on, is there voltage of approx. 220-240V AC between outdoor terminal block 2

53Replace LEV.(coil defect)Replace LEV.Check of linear expansion valve (LEV)P• Press RESET button, while pressing OPERATION SELECT button on remote co

54TEST POINT DIAGRAM AND VOLTAGEMSZ-A09RV -MSZ-A12RV -Indoor electronic control P.C. boardE1E1Varistor (NR11)Fuse 250V AC 3.15ARoom temperaturethermis

55-20 -10 0 10 20 30 400102030405060708090100Temperature(:)Defrost thermistor(RT62)Temperature(:)Discharge temperature thermistor(RT61)0 1020304050607

56MUZ-A09RV -MUZ-A12RV -Noise filter P.C boardE1E1Outdoor fan motor220-240V AC R.V. coil220-240V ACRelay P.C board220-240V ACFRONTBACKFRONT BACKPowe

57DISASSEMBLY INSTRUCTIONS12OPERATING PROCEDURE PHOTOS1. Removing the front panel(1) Remove the screw caps of the front panel.Remove the screws.(2) Pu

58OPERATING PROCEDURE PHOTOS3. Removing the electrical box(1) Remove the front panel. (Refer to 1)(2) Remove the electrical cover.(3) Disconnect the c

59OPERATING PROCEDUREPHOTOS1. Removing the cabinet(1) Remove the screws fixing the top panel and top panel.(2) Remove the screws fixing the service pa

63SPECIFICATIONIndoor modelFunctionPower supplyCapacityAir flow(High)DehumidificationPower outletRunning currentPower inputAuxiliary heaterPower facto

60OPERATING PROCEDUREPHOTOS7. Removing the compressor(1) Remove the top panel, the service panel and the cabinet.(Refer to 1)(2) Remove the soundproof

61PARTS LIST13MSZ-A09RV - (WH)MSZ-A12RV - (WH)13-1. INDOOR UNIT STRUCTURAL PARTSE1E1E02 408 970E02 411 234E02 409 976E02 409 000E02 409 067E

62MSZ-A09RV - (WH)MSZ-A12RV - (WH)E1E113-4. ACCESSORY AND REMOTE CONTROLLER PARTS13-3. INDOOR UNIT ELECTRICAL PARTS22 2313-3. INDOOR UNIT ELECTRICAL P

63M21 75K 297T2W E56 515T2W E57 630T2W E56 521T2W E45 232M21 21J 501T2W E93 290T92 510 280M21 69A 662M21 69A 661M21 40L 245T2W E56 531T2W E56 645M21 6

64M21 90A 308T2W E56 331T2W E56 424T2W E45 376T2W E56 389T2W E56 309T2W E56 441T2W E56 451T2W E57 451T2W E56 376123456789FIN TEMPERATURE THERMISTORREA

6513-8. AIR CLEANING FILTER● AIR CLEANING FILTER removes fine dust of 0.01 micron from air by means of static electricity.● Normal life of AIR CLEANIN

HEAD OFFICE: MITSUBISHI DENKI BLDG.,2-2-3, MARUNOUCHI, CHIYODA-KU, TOKYO100-8310, JAPANCCCopyright 1999 MITSUBISHI ELECTRIC ENGINEERING CO.,LTDDistrib

71.5+ 440VMP24GA 12V 300"ERZV10D471S201DH1Y4PJM1aN-ZTMP-DC12V93.5:5A 250V136:i3: 2A250V 3.15A 500+ 450V1.8+ 440VRR-18250V 2A13A 1.0mHEM4324050m&q

90807060504030201063 125 250 500 1000 2000 4000 8000APPROXIMATETERESHOLD OFHEARING FORCONTINUOUSNOISENC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND P

9116.581.581827885016562956 or more100412.542271 4.5231.582169326 32651895616017.5Air inAir outInsulation [28Drain hose [16(Connected part O.D)Install