Mitsubishi Electric MSZ-FH50VE - E1 Manuale di Servizio

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

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

118-4. AUTO RESTART FUNCTIONWhen the indoor unit is controlled with the remote controller, the operation mode, the set temperature, and the fan speed

12WIRELESS REMOTE CONTROLLERMSZ-FH25VE MSZ-FH35VE MSZ-FH50VEMICROPROCESSOR CONTROL9NOTE: Last setting will be stored after the unit is turned OFF wi

139-2. 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

14NOTE 2 FOR MULTI SYSTEM AIR CONDITIONER OUTDOOR UNIT: MXZ series Multi system air conditioner can connect two or more indoor units with one outdoo

15(7) SWING ( ) modeBy selecting SWING mode with VANE CONTROL button, the horizontal vanes swing vertically. When COOL, DRY or FAN mode is selected, o

169-7. 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. WEEKLY TIMER OPERATION• A maximum of 4 ON or OFF timers can be set for individual days of the week.• A maximum of 28 ON or OFF timers can be se

18(5) Press button to turn the weekly timer ON. ( lights.)•When the weekly timer is ON, the day of the week whose timer setting is complete, will l

199-11. NATURAL FLOW ( ) OPERATIONIn NATURAL FLOW operation, air fl ow will become more like natural wind. An occupant will not be directly exposed to

2<Preparation before the repair service> Prepare the proper tools. Prepare the proper protectors. Provide adequate ventilation. After stoppi

2010-1. CAUTIONS ON TROUBLESHOOTING1. Before troubleshooting, check the following1) Check the power supply voltage.2) Check the indoor/outdoor connect

2110-2. FAILURE MODE RECALL FUNCTIONOutline of the functionThis air conditioner can memorize the abnormal condition which has occurred once.Even thoug

222. Flow chart of AIR PURIFYING power failure mode recall functionOperational procedureNote1. Make sure to release the failure mode recall function a

234. Indoor unit failure mode tablePOWER lampAbnormal point (Failure mode) Condition RemedyNot lighted Normal — —1-time fl ash every 0.5-second Room

2410-3. INSTRUCTION OF TROUBLESHOOTINGIndoor unit oper-ates.Outdoor unit does not operate.If blinking of OPERATION INDI-CATOR lamp cannot be checked,

2510-4. TROUBLESHOOTING CHECK TABLEBefore taking measures, make sure that the symptom reappears for accurate troubleshooting.When the indoor unit has

26OPERATION INDICATOR(POWER)(AIR PURIFYING)No. Abnormal point Operation indicator lamp Symptom Condition Remedy 1MXZ type Operation mode setting• A

27 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

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

29 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

3TECHNICAL CHANGES1MSZ-FH25VE - E1MSZ-FH35VE - E1MSZ-FH50VE - E1 1. New modelThese models are compatible with the outdoor units with low standby power

30 D How to check miswiring and serial signal errorMUZ-25/35Turn OFF inverter-controlled lighting equipment.Turn OFF the power supply and then turn O

31MUZ-FH50Turn the power supply OFF.Is there rated voltage in the power supply?YesNoCheck for incorrect indoor-outdoor connecting wiring.Check the pow

32Turn OFF inverter-controlled lighting equipment.Turn OFF the power supply and then turn ON again.Press EMERGENCY OPERATION switch.•••AIs serial sign

33When AIR PURIFYING lamp flashes 2-time.When POWER lamp flashes 1 to 5 times while AIR PURIFYING power failure mode is recalled.After performing the

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

35Room temperature thermistor (RT11)Indoor coil thermistor (RT12, RT13)Temperature (°C)Resistance (kΩ)Indoor electronic control P.C. boardIndoor power

11-1. MSZ-FH25VE MSZ-FH35VE MSZ-FH50VENOTE: Turn OFF power supply before disassembly.OPERATING PROCEDURE PHOTOS1. Removing the panel(1) Remove the h

OPERATING PROCEDURE PHOTOS2. Remove the indoor electrical box(1) Remove the panels (Refer to 1.) and the corner box right.(2) Remove the screw of the

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

OPERATING PROCEDURE PHOTOS7. Removing the air purifying device(1) Remove the panels (Refer to 1.) and the corner box right.(2) Remove the air purifyin

4ACCESSORIESMSZ-FH25VE MSZ-FH35VE MSZ-FH50VEPART NAMES AND FUNCTIONS2ModelMSZ-FH25VEMSZ-FH35VEMSZ-FH50VEInstallation plate 1Installation plate fi xin

HEAD OFFICE: TOKYO BLDG., 2-7-3, MARUNOUCHI, CHIYODA-KU, TOKYO 100-8310, JAPAN© Copyright 2012 MITSUBISHI ELECTRIC CORPORATIONDistributed in Mar. 2013

5Indoor model MSZ-FH25VE MSZ-FH35VE MSZ-FH50VEPower supply Single phase 230 V, 50 HzElectrical dataPower input 1CoolingW29 31Heating 29 31Running cu

6MSZ-FH25VE MSZ-FH35VE90807060504030201063 125 250 500 1000 2000 4000 8000NC-60NC-50NC-40NC-30NC-20NC-70OCTAVE BAND SOUND PRESSURE LEVEL, dB re 0.000

7Unit: mmMSZ-FH25VE MSZ-FH35VE MSZ-FH50VEMSZ-FH25VE MSZ-FH35VEPipingInsulation ø37 O.DLiquid line ø6.35 - 0.39 m (Flared connection ø6.35)Gas line

8MSZ-FH25VE MSZ-FH35VE MSZ-FH50VEWIRING DIAGRAM6OBH623A

9IndoorheatexchangerFlared connectionRoom temperaturethermistorRT11Flared connectionRefrigerant pipe ø9.52(with heat insulator)Refrigerant pipe ø6.35(