Mitsubishi Electric MUZ-FD25VA-E1 Manual de servicio

CONTENTS1. TECHNICAL CHANGES ··································· 32. PART NAMES AND FUNCTIONS ····················· 43. SPECIFICATION ················

108-1. TIMER SHORT MODEFor service, set time can be shortened by short circuit of JPG and JPS on the electronic control P.C. board.The time will be sh

118-3. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed

12WIRELESS REMOTE CONTROLLEROperation Indicator lampThe operation indicator at the right side of the indoor unit indicates the operation state. •The

139-1. COOL ( ) OPERATION(1) Press OPERATE/STOP (ON/OFF) button.OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone.(2) Select COOL

149-5. AUTO VANE OPERATION1. Horizontal vane(1) Vane motor driveThese models are equipped with a stepping motor for the horizontal vane. The rotating

15(7) SWING ( ) modeBy selecting SWING mode with VANE CONTROL button, the horizontal vane swings vertically. (8) Cold air prevention in HEAT operation

169-6. TIMER OPERATION1. How to set the time (1) Check that the current time is set correctly.NOTE: Timer operation will not work without setting the

179-8. EMERGENCY/TEST OPERATIONIn case of test run operation or emergency operation, use EMERGENCY OPERATION switch on the right side of the indoor un

18RESET 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

1910-2. FAILURE MODE RECALL FUNCTIONOutline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even thoug

2Revision A:• 11. DISASSEMBLY INSTRUCTIONS has been corrected.11-6. Photo 9 has been changed.Revision B:• MSZ-GE42/50VA - E1 has been added.Mitsubishi

202. Indoor unit failure mode tableUpper lamp of OP-ERATION INDICA-TOR lampAbnormal point (Failure mode) Condition Correspondence Not lighted Normal

2110-3. INSTRUCTION OF TROUBLESHOOTINGIndoor unit oper-ates.Outdoor unit does not operate.If blinking of OPERATION INDI-CATOR lamp cannot be checked,

2210-4. TROUBLESHOOTING CHECK TABLEBefore taking measures, make sure that the symptom reappears for accurate troubleshooting.When the indoor unit has

23OPERATION INDICATORNo. Abnormal pointOperation indicator lamp Symptom Condition Correspondence1Attachment of the hori-zontal vaneAll lamps fl ash at

24 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 po

25 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

26 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 a

27Replace the indoor power P.C. board and the indoor terminal P.C. board D How to check miswiring and serial signal errorTurn OFF the power supply.Is

28 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

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

3MSZ-GE22VA - E1MSZ-GE25VA - E1MSZ-GE35VA - E1MSZ-GE42VA - E1MSZ-GE50VA - E1 1. New model. TECHNICAL CHANGES1Mitsubishi ilmalämpöpumput huoltaa ja kor

301. Indoor power P.C. board, Indoor terminal P.C. boardMSZ-GE22VA MSZ-GE25VA MSZ-GE35VA10-7. Test point diagram and voltageIndoor terminal P.C. boa

31Room temperature thermistor (RT11)Indoor coil thermistor (RT12, RT13)Temperature (°C)Resistance (kΩ)Timer short mode point JPG JPS(Refer to 8-1.)Roo

32MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VANOTE: Turn OFF power supply before disassembling.OPERATING PROCEDURE PHOTOS1. Removing the

33OPERATING PROCEDURE PHOTOS2. Removing the indoor electronic control P.C. board and the room temperature thermistor(1) Remove the panel (refer to 1.)

34OPERATING PROCEDURE PHOTOS4. Removing the nozzle assembly(1) Remove the panel (refer to 1.) and the corner box.(2) Remove the indoor/outdoor connect

35OPERATING PROCEDURE PHOTOS6. Removing the indoor fan motor, the indoor coil thermistor, and the line flow fan(1) Remove the panel (refer to 1.) and

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN© Copyright 2008 MITSUBISHI ELECTRIC CO.,LTDDistributed in Dec. 2008. No

4ACCESSORIESInstallation plate 1Installation plate fi xing screw 4 × 25 mm 5Remote controller holder 1Fixing screw for 3.5 × 1.6 mm (Black) 2Battery

5Indoor model MSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VAPower supply Single phase 230 V, 50 HzElectrical dataPower input 1CoolingW22 294

6MSZ-GE22VA MSZ-GE25VA90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.000

7Unit: mmMSZ-GE22VA MSZ-GE25VA MSZ-GE35VA MSZ-GE42VA MSZ-GE50VA211.5231.525321.5155 1558080225 2253191595852325669798785 6.51306195029550425643428

8MSZ-GE22VA MSZ-GE25VA MSZ-GE35VAWIRING DIAGRAM6MSZ-GE42VA MSZ-GE50VAMitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oywww.

9IndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Flared connectionRefrigerant pipe ø9.52 (GE22/25/35/42) ø