Mitsubishi VS-50VA2 Service Manual

CONTENTS1. TECHNICAL CHANGES ··································· 22. PART NAMES AND FUNCTIONS ····················· 33. SPECIFICATION ················

10Test conditionsCooling: Dry-bulb temperature 27°CWet-bulb temperature 19°CHeating: Dry-bulb temperature 20°CWet-bulb temperature 15.5°CINDOOR UNI

11MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VADMSZ-GE50VA MSZ-GE50VA2 MSZ-G

12MSZ-GE22VA MSZ-GE25VA MSZ-GE33VA MSZ-GE35VA MSZ-GE35VA2WIRING DIAGRAM6MSZ-GE42VA MSZ-GE50VA MSZ-GE50VA2MSZ-GE22VAD MSZ-GE25VAD MSZ-GE35VADOB

13MSZ-GE60VA MSZ-GE71VA MSZ-GE80VA MSZ-GE80VA2MSZ-GE42VAD MSZ-GE50VADMSZ-GE60VAD MSZ-GE71VAD MSZ-GE80VADOBH531E

14MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VADMSZ-GE50VA MSZ-GE50VA2 MSZ-G

158-1. TIMER SHORT MODEFor service, the following set time can be shortened by bridging JPG and JPS on the electronic control P.C. board. (Refer to 10

168-3. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed

17WIRELESS REMOTE CONTROLLERON TIMER buttonCLOCK SET buttonTIME SET buttonsFORWARD buttonBACKWARD buttonOFF TIMER buttonRESET buttoni save buttonVANE

18Operation Indicator lampThe operation indicator at the right side of the indoor unit indicates the operation state. •The following indication appli

199-2. DRY ( ) OPERATION(1) Press OPERATE/STOP (ON/OFF) button.OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.(2) Select DRY mo

2MSZ-GE22VA - A1MSZ-GE25VA - A1MSZ-GE33VA - A1MSZ-GE35VA - A1MSZ-GE42VA - A1MSZ-GE50VA - A1MSZ-GE60VA - A1MSZ-GE71VA - A1MSZ-GE80VA - A1 1. New modelT

209-6. AUTO VANE OPERATION1. Horizontal vane(1) Vane motor driveThese models are equipped with a stepping motor for the horizontal vane. The rotating

212. Vertical vane (MSZ-GE60/71/80)(1) Vane motor drive These models are equipped with a stepping motor for the vertical vane. The rotating direction

22(Example 1) The current time is 8:00 PM.The unit turns off at 11:00 PM, and on at 6:00 AM.• OFF timer and ON timer can be used in combination. The t

23(3) Press , , and buttons to set ON/OFF, time, and temperature.E.g. : [ON], [6:00] and [24°C] are selected.Pressing selects ON/OFF timer.Pr

249-10. EMERGENCY/TEST OPERATIONIn the case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the right side of the indo

25RESET buttonInsert the negative pole of the batteries first. Check if the polarity of the batteries is correct.NOTE: 1. If RESET button is not press

261Lock25. How to install the horizontal vaneIf horizontal vane is not installed correctly, all of the operation indicator lamps will blink.In this ca

2710-2. FAILURE MODE RECALL FUNCTIONOutline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even thoug

282. Indoor unit failure mode tableUpper lamp of OP-ERATION INDICA-TOR lampAbnormal point (Failure mode) Condition RemedyNot lighted Normal — —1-tim

2910-3. INSTRUCTION OF TROUBLESHOOTINGIndoor unit oper-ates.Outdoor unit does not operate.If blinking of OPERATION INDI-CATOR lamp cannot be checked,

3Remote controllerOperation indicator lampRemote control receiving sectionEmergency operation switch (E.O. SW) Horizontal vaneDisplay sectionVertical

3010-4. TROUBLESHOOTING CHECK TABLEBefore taking measures, make sure that the symptom reappears for accurate troubleshooting.When the indoor unit has

31OPERATION INDICATORNo. Abnormal pointOperation indicator lamp Symptom Condition Remedy1Attachment of the hori-zontal vaneAll lamps fl ash at the same

32 A Check of indoor fan motor10-6. TROUBLESHOOTING FLOWThe indoor fan motor error has occurred, and the indoor fan does not operate.Turn OFF the pow

33The indoor fan motor error has occurred, and the indoor fan does not operate.Turn OFF the power supply.Is there any foreign matter that interferes t

34 B Check of remote controller and indoor electronic control P.C. board Check if the remote controller is exclusive for this air conditioner.Does th

35 C Check of indoor P.C. board and indoor fan motorTurn OFF the power supply.Remove indoor fan motor connector CN211 from indoor power P.C. board an

36CN211R111Indoor electroniccontrol P.C.BoardIndoor terminalP.C. boardFuse(F11)Varistor(NR11)YesNo 1. The fan motor connector's lead wire is

37 D How to check miswiring and serial signal errorTurn OFF inverter-controlled lighting equipment.Turn OFF the power supply and then turn ON again.P

38MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VADMSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VADTurn OFF inverter-controlled lighting equipment.Turn OFF the power

39 E Check of installation of the horizontal vaneIs the stopper of the horizontal vane locked to the indoor unit correctly?YesNoRe-lock the stopper o

4ACCESSORIESModelMSZ-GE22VA MSZ-GE35VA MSZ-GE50VAMSZ-GE22VAD MSZ-GE35VA2 MSZ-GE50VA2MSZ-GE25VA MSZ-GE35VAD MSZ-GE50VADMSZ-GE25VAD MSZ-GE42VA MSZ-G

40 F Electromagnetic noise enters into TV sets or radiosYesIs the unit earthed?NoEarth the unit.YesIs the distance between the antennas and the indoo

411. Indoor power P.C. board, Indoor terminal P.C. boardMSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VAMSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD1

42Room temperature thermistor (RT11)Indoor coil thermistor (RT12, RT13)Temperature (°C)Resistance (kΩ)Timer short mode point JPG JPS (Refer to 8-1.)Ro

43JR24JRREJRDFTJR07JRPRHJR19JRTUJR01Indoor terminal P.C. board Indoor electronic control P.C. boardPower monitor receiver SW P.C. boardIndoor fan moto

44JR07JR77Indoor terminal P.C. board Indoor electronic control P.C. boardPower monitor receiver SW P.C. boardIndoor fan motor(CN211) 325 VDC (–) GND (

11-1. MSZ-GE22VA MSZ-GE22VAD MSZ-GE25VA MSZ-GE25VAD MSZ-GE33VA MSZ-GE35VA MSZ-GE35VA2 MSZ-GE35VAD MSZ-GE42VA MSZ-GE42VAD MSZ-GE50VA MSZ-GE50VA2 MSZ

OPERATING PROCEDURE PHOTOS2. Removing the indoor electronic control P.C. board and the room temperature thermistor(1) Remove the panel (Refer to 1.) a

OPERATING PROCEDURE PHOTOS4. Removing the nozzle assembly(1) Remove the panel (Refer to 1.) and the corner box.(2) Remove the indoor/outdoor connectin

OPERATING PROCEDURE PHOTOS6. Removing the indoor fan motor, the indoor coil thermistor, and the line flow fan(1) Remove the panel (Refer to 1.) and th

11-2. MSZ-GE60VA MSZ-GE60VAD MSZ-GE71VA MSZ-GE71VAD MSZ-GE80VA MSZ-GE80VA2 MSZ-GE80VADNOTE: Turn OFF power supply before disassembly.OPERATING PROCEDU

5Indoor modelMSZ-GE22VAMSZ-GE22VADMSZ-GE25VAMSZ-GE25VADMSZ-GE33VAMSZ-GE35VAMSZ-GE35VA2MSZ-GE35VADPower supply Single phase 230 V, 50 HzElectrical data

OPERATING PROCEDURE PHOTOS2. Removing the indoor electronic control P.C. board, the power monitor receiver SW P.C. board and the indoor terminal P.C.

OPERATING PROCEDURE PHOTOS4. Removing the nozzle assembly(1) Remove the panel (Refer to 1.) and the corner box.(2) Remove the V.A. clamp, and then the

OPERATING PROCEDURE PHOTOS7. Removing the water cut, the indoor fan motor, the indoor coil thermistor, and the line flow fan(1) Remove the panel (Refe

53OBH531E

© Copyright 2009 MITSUBISHI ELECTRIC CORPORATIONDistributed in Dec. 2013. No. OBH531 REVISED EDITION-EDistributed in Sep. 2013. No. OBH531 REVISED EDI

6Indoor model MSZ-GE42VA MSZ-GE42VAD MSZ-GE50VA MSZ-GE50VA2 MSZ-GE50VADPower supply Single phase 230 V, 50 HzElectrical dataPower input 1CoolingW29 4

7Indoor modelMSZ-GE60VAMSZ-GE60VADMSZ-GE71VAMSZ-GE71VADMSZ-GE80VAMSZ-GE80VA2MSZ-GE80VADPower supply Single phase 230 V, 50 HzElectrical dataPower inpu

8Specifications and rated conditions of main electric partsFuse (F11)T3.15AL250VHorizontal vane motor (MV), (MV1) 12 VDCVertical vane motorMSZ-GE60VA

9MSZ-GE22VA MSZ-GE22VADMSZ-GE25VA MSZ-GE25VAD90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESS