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Indoor model

MSZ-FH25VE MSZ-FH25VE2 MSZ-FH35VE MSZ-FH35VE2 MSZ-FH50VE MSZ-FH50VE2

Power supply

Single phase 230 V, 50 Hz

Electrical

data

Power input 1

Cooling

Heating

Running current

Cooling

0.28

0.29

Heating

0.28

0.29

Fan

motor

Model

RC0J30-MD

Current 1

Cooling

0.28

0.29

Heating

0.28

0.29

Dimensions W × H × D

925 × 305(+17) × 234

Weight

13.5

Special remarks

Air direction

Air

fl ow

Cooling

Super High

696

744

High

516

606

Med.

378

516

Low

282

444

Silent

234

384

Heating

Super High

792

876

High

552

672

Med.

384

540

Low

282

432

Silent

240

342

Sound level

Cooling

Super High

dB(A)

High

Med.

Low

Silent

Heating

Super High

dB(A)

High

Med.

Low

Silent

Fan speed

Cooling

Super High

rpm

1,220

1,280

High

970

1,090

Med.

770

970

Low

630

870

Silent

550

780

Heating

Super High

rpm

1,350

1,460

High

1,020

1,180

Med.

780

1,000

Low

630

850

Silent

560

720

Fan speed regulator

Remote controller model

SG13A

SG15C

SG13A

SG15C

SG13A

SG15C

NOTE

: Test conditions are based on ISO 5151.

Cooling: Indoor

Dry-bulb temperature 27°C Wet-bulb temperature 19°C

Outdoor Dry-bulb temperature 35°C

Heating: Indoor

Dry-bulb temperature 20°C

Outdoor Dry-bulb temperature 7°C Wet-bulb temperature 6°C

1 Measured under rated operating frequency.

SPECIFICATION

Specifications and rating conditions of main electric parts

Fuse

(F11)

T3.15AL250V

Horizontal vane motor

(MV1)

12 VDC

Vertical vane motor

(MV2)

12 VDC

i-see SENSOR MOTOR

(MT)

12 VDC

Varistor

(NR11)

S10K300E2K1

Terminal block

(TB)

OBH623D

Содержание MSZ-FH25VE

Страница 1: ...RoHS compliant products have G mark on the spec name plate Outdoor unit service manual MUZ FH VEHZ Series OBH625 MUZ FH VE Series MXZ D VA Series No OBH623 REVISED EDITION D Models MSZ FH25VE E1 ER1 MSZ FH35VE E1 ER1 MSZ FH50VE E1 ER1 MSZ FH25VE2 E1 ER1 MSZ FH35VE2 E1 ER1 MSZ FH50VE2 E1 ER1 Outdoor unit service manual MUZ FH VE Series OBH624 MUZ FH VEHZ Series OBH625 MXZ D VA Series OBH626 Please ...

Страница 2: ...touch the live parts Use the specified refrigerant only Never use any refrigerant other than that specified Doing so may cause a burst an explosion or fire when the unit is being used serviced or disposed of Correct refrigerant is specified in the manuals and on the spec labels provided with our products We will not be held responsible for mechanical failure system malfunction unit breakdown or ac...

Страница 3: ...ed for example because of relocation In that case the MUZ FH VE HZ series outdoor units will not operate without taking a step Follow the procedure Deleting the memorized abnormal condition described in 10 2 1 MSZ FH25VE E1 MSZ FH35VE E1 MSZ FH50VE E1 1 New model MSZ FH25VE ER1 MSZ FH35VE ER1 MSZ FH50VE ER1 1 New model MSZ FH25VE E1 MSZ FH25VE2 E1 MSZ FH35VE E1 MSZ FH35VE2 E1 MSZ FH50VE E1 MSZ FH5...

Страница 4: ...on plate fixing screw 4 25 mm 5 Remote controller holder 1 Fixing screw for 3 5 16 mm Black 2 Battery AAA for remote controller 2 Wireless remote controller 1 Felt tape For left or left rear piping 1 Air cleaning filter Electrostatic anti allergy enzyme filter 1 Air cleaning filter Deodorizing filter 1 Air purifying device 1 Model MSZ FH25VE2 MSZ FH35VE2 MSZ FH50VE2 Installation plate 1 Installati...

Страница 5: ...Super High dB A 44 46 High 36 39 Med 29 34 Low 24 29 Silent 20 21 25 Fan speed Cooling Super High rpm 1 220 1 280 High 970 1 090 Med 770 970 Low 630 870 Silent 550 780 Heating Super High rpm 1 350 1 460 High 1 020 1 180 Med 780 1 000 Low 630 850 Silent 560 720 Fan speed regulator 5 Remote controller model SG13A SG15C SG13A SG15C SG13A SG15C NOTE Test conditions are based on ISO 5151 Cooling Indoor...

Страница 6: ...4 Test conditions Cooling Dry bulb temperature 27 C Wet bulb temperature 19 C Heating Dry bulb temperature 20 C INDOOR UNIT WALL MICROPHONE 0 8m 1m 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING 44 46 NC 10...

Страница 7: ...ection ø9 52 Drain hose Insulation ø28 O D Connected part ø16 O D OUTLINES AND DIMENSIONS 5 MSZ FH50VE MSZ FH50VE2 Piping Insulation ø37 O D Liquid line ø6 35 0 50 m Flared connection ø6 35 Gas line ø9 52 0 43 m Flared connection ø12 7 Drain hose Insulation ø28 O D Connected part ø16 O D MSZ FH25VE MSZ FH35VE MSZ FH50VE MSZ FH25VE2 MSZ FH35VE2 MSZ FH50VE2 OBH623D ...

Страница 8: ...8 MSZ FH25VE E1 MSZ FH35VE E1 MSZ FH50VE E1 WIRING DIAGRAM 6 MSZ FH25VE ER1 MSZ FH35VE ER1 MSZ FH50VE ER1 OBH623D ...

Страница 9: ...9 MSZ FH25VE2 E1 MSZ FH35VE2 E1 MSZ FH50VE2 E1 MSZ FH25VE2 ER1 MSZ FH35VE2 ER1 MSZ FH50VE2 ER1 OBH623D ...

Страница 10: ...t flow in cooling Refrigerant flow in heating Unit mm REFRIGERANT SYSTEM DIAGRAM 7 Indoor heat exchanger Flared connection Room temperature thermistor RT11 Flared connection Refrigerant pipe ø12 7 with heat insulator Refrigerant pipe ø6 35 with heat insulator Indoor coil thermistor RT12 main Indoor coil thermistor RT13 sub Refrigerant flow in cooling Refrigerant flow in heating MSZ FH25VE MSZ FH35...

Страница 11: ...eaker ON the remote controller that first sends a signal to an indoor unit will be regarded as the remote controller for the indoor unit Once they are set the indoor unit will only receive the signal from the assigned remote controller afterwards SERVICE FUNCTIONS 8 8 3 SETTING THE INSTALLATION POSITION Be sure to set the remote controller according to the installed position of the indoor unit Ins...

Страница 12: ...conds have passed after the indoor unit was operated with the remote controller If main power is turned OFF or a power failure occurs while AUTO START STOP timer is active the timer setting is can celled If the unit has been turned OFF with the remote controller before power failure the auto restart function does not work as the power button of the remote controller is OFF To prevent the breaker f...

Страница 13: ...ion display section TEMPERATURE buttons OPERATE STOP ON OFF button Indication of remote controller model is on back Distance of signal About 6 m Beep s is are heard from the indoor unit when the signal is received FAN SPEED CONTROL button PURIFIER button INDIRECT DIRECT button OPERATION SELECT button ECONO COOL button POWERFUL button CLOCK button Lid Slide the lid down to open the remote controlle...

Страница 14: ...ts when the temperature of outdoor heat exchanger becomes too low The compressor stops once the indoor outdoor fans stop the 4 way valve reverses and the compressor re starts This mode continues until the temperature of outdoor heat exchanger rises or the fixed time passes 9 5 AUTO CHANGE OVER AUTO MODE OPERATION Once desired temperature is set unit operation is switched automatically between COOL...

Страница 15: ...ontal vanes The rotating direction speed and angle of the motor are controlled by pulse signals approximately 12 V transmitted from indoor microprocessor 2 The horizontal vane angle and mode change as follows by pressing VANE CONTROL button Horizontal position 4 In COOL and DRY operation Vane angle is fixed to Horizontal position In HEAT operation Vane angle is fixed to Angle 4 AUTO 1 2 5 SWING 4 ...

Страница 16: ...he POWERFUL mode is cancelled automatically 15 minutes after operation starts or when POWERFUL button is pressed once again within 15 minutes after operation starts The operation mode returns to the mode prior to POWERFUL operation To cancel this operation manually select a different mode or press one of the following but tons within 15 minutes after operation starts OPERATE STOP ON OFF MSZ FH25 3...

Страница 17: ...TIME SET buttons and OFF timer setting a Press OFF TIMER button during operation b Set the time of the timer using TIME SET buttons and Each time FORWARD button is pressed the set time increases by 10 minutes each time BACKWARD but ton is pressed the set time decreases by 10 minutes 2 To release the timer To release ON timer press ON TIMER button To release OFF timer press OFF TIMER button TIMER i...

Страница 18: ...d down the button to change the time quickly The temperature can be set between 16 C and 31 C at weekly timer blinks Pressing selects the day of the week to be set Pressing selects the setting number E g Mon Tue Sun and 1 are selected All days can be selected NOTE The simple ON OFF timer setting is available while the weekly timer is on In this case the ON OFF timer has priority over the weekly ti...

Страница 19: ...ers finely tuned operation by locating where an occupant is in the room 1 Press INDIRECT DIRECT button during COOL DRY HEAT or AUTO mode to activate INDIRECT DIRECT mode This mode is only available when the i see control mode is effective 2 Each press of INDIRECT DIRECT button changes INDIRECT DIRECT in the following order INDIRECT An occupant will be less exposed to direct airflow DIRECT Mainly t...

Страница 20: ...ation is the test run operation This opera tion is for servicing The indoor fan runs at High speed and the tem perature control does not work After 30 minutes of test run operation the system shifts to EMERGENCY COOL HEAT MODE with a set temperature of 24 C The fan speed shifts to Med The coil frost prevention works even in the test run or the emergency operation In the test run or emergency opera...

Страница 21: ...efore servicing check that the connector and terminal are connected properly 3 When the electronic control P C board seems to be defective check the copper foil pattern for disconnection and the components for bursting and discoloration 4 When troubleshooting Refer to 10 2 10 3 and 10 4 4 How to replace batteries Weak batteries may cause the remote controller malfunction In this case replace the b...

Страница 22: ...owards the indoor unit Press EMERGENCY OPERATION switch so that the memorized abnormal condition is deleted 4 Release the failure mode recall function according to Releasing the failure mode recall function men tioned above Yes Blinks No OFF NOTE 1 Make sure to release the failure mode recall function after it is set up otherwise the unit cannot operate properly 2 If the abnormal condition is not ...

Страница 23: ...on The air purifying device might be abnormal Check if the air purifying device is abnormal according to the following procedures ON OFF Beeps Repeated cycle Repeated cycle 2 5 second OFF Blinking at 0 5 second interval Beeps Repeated cycle 2 5 second OFF Blinking at 0 5 second interval Beeps After repairing the unit recall the failure mode again according to Setting up the failure mode recall fun...

Страница 24: ...and GND on the electronic P C board falls significantly 0 4V 0 5ms 3 time flash Refer to 10 6 Check of AIR PURIFYING power Abnormal electric discharge error 1 When the voltage between CN1T1 and GND on the electronic P C board falls by 1 2V below the normal voltage value 2 5V 2 time flash Electrode Spark discharge Electrode Electrode 1 time flash AIR PURIFYING power control When the voltage between...

Страница 25: ...g or trouble of serial signal POWER lamp 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor POWER lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor POWER lamp 4 time flash Cause Indoor unit Trouble of indoor unit control system POWER lamp 5 time flash Cause Outdoor unit Outdoor power system abnormality POWER lamp 6 time flash Cause Outdoor unit Trouble ...

Страница 26: ... start up failure protection within 1 minute after start up Refer to How to check of in verter compressor Refer to outdoor unit service manual Check the stop valve 6 Outdoor thermistors POWER lamp flashes 6 time flash 2 5 second OFF The outdoor thermistors short or open circuit during the compressor operation Refer to Check of outdoor thermistor Refer to outdoor unit service manual 7 Outdoor contr...

Страница 27: ...mistor Indoor fan motor MF Check 10 6 Check of indoor fan motor Vane motor MV1 HORIZONTAL Measure the resistance between the terminals with a tester Temperature 10 30 C Color of the lead wire Normal RED SKY 262 328 Ω Vane motor MV2 VERTICAL Measure the resistance between the terminals with a tester Temperature 10 30 C Color of the lead wire Normal RED SKY 219 273 Ω i see SENSOR MOTOR MT Measure th...

Страница 28: ...ressed the voltage measured at 2 above goes 0 VDC although the indoor P C board is normal Does the voltage between CN211 and on the power P C board rise to the range of 3 to 6 VDC within 12 seconds after EMERGENCY OPERATION switch is pressed Replace the indoor fan motor Yes No The indoor fan motor error has occurred and the indoor fan repeats 12 second ON and 30 second OFF 3 times and then stops M...

Страница 29: ...Assign a number of remote controller Refer to 8 2 Check if the unit operates with the remote controller Does the unit operate with the remote controller Yes No OK Measure the voltage between receiver P C board connector CN301 No 1 and No 3 when the remote controller button is pressed Is the voltage approximately 4 VDC 5 VDC No Yes Replace the indoor electronic control P C board 1 Look at the image...

Страница 30: ...ard No No Replace the indoor power P C board and the indoor fan motor Replace the indoor electronic control P C board Measure the resistance of the vane motor coil Refer to 10 5 Short circuit Replace the vane motor and the indoor electronic control P C board 1 The fan motor connector s lead wire is red whereas is black 2 Connect of the tester to fan motor connector s lead wire and to lead wire oth...

Страница 31: ...n the indoor electronic control P C board No Does the indoor POWER lamp blink continuously 6 minutes after the emergency operation starts No Does the outdoor LED light up Replace the indoor electronic control P C board Replace the indoor power P C board Yes Yes Does the outdoor LED blink 6 times Yes Confirm that the thermostat is OFF and wiring is not loose No Does DC 6V or more occur between indo...

Страница 32: ...N Yes Turn OFF inverter controlled lighting equipment Turn OFF the power supply and then turn ON again Press EMERGENCY OPERATION switch A Is serial signal error indicated 6 minutes later B Yes Reinstall either the unit or the light away from each other Attach a filter on remote control receiving section of the indoor unit No NOTE Refer to the outdoor unit service manual Replace the indoor electron...

Страница 33: ...e wiring Press EMERGENCY OPERATION switch once Does the indoor POWER lamp light up Confirmation of the power to the indoor unit Yes No Is serial signal error indicated 6 minutes later Yes No Is there any miswiring poor contact or wire disconnection of the indoor outdoor connect ing wire Yes Correct them No A Turn OFF the power supply Check once more if the indoor outdoor connecting wire is not mis...

Страница 34: ...and correct the problem Turn OFF the power supply Turn ON the power supply Does the LED on the outdoor display P C board or the outdoor control P C board repeat quick BLINKING and OFF 2 If the trouble sometimes occurs possible causes are as follows 3RRU FRQQHFWLRQ RI WKH LQGRRU outdoor connecting wire Check for intermediate connection of the indoor outdoor connecting wire loose connection to the t...

Страница 35: ...l P C board after check of the wiring of CN1T1 on the indoor electronic control P C board High voltage approximately 5 8kV is generated during AIR PURIFYING power operation Pay careful attention and never touch the air purifying device and the high voltage lead part Yes No OFF AIR PURIFYING operation Continuously blinking OFF Continuously blinking Does AIR PURIFYING lamp flash 2 time with unit sto...

Страница 36: ...ions such as antennas or wiring Check the following before asking for service 1 Devices affected by the electromagnetic noise TV sets radios FM AM broadcast shortwave 2 Channel frequency broadcast station affected by the electromagnetic noise 3 Channel frequency broadcast station unaffected by the electromagnetic noise 4 Layout of indoor outdoor unit of the air conditioner indoor outdoor wiring ea...

Страница 37: ... Refer to 8 1 To disable Auto restart function cut the Jumper wire to JR77 Refer to 8 4 Emergency operation switch E O SW SW1 Connector to indoor power P C board CN102 Room temperature thermistor RT11 CN111 Indoor coil thermistor RT12 RT13 CN112 Indoor power P C board Indoor electronic control P C board Receiver board Display board Switch board MSZ FH25VE MSZ FH35VE MSZ FH50VE MSZ FH25VE2 MSZ FH35...

Страница 38: ... the locking mechanism Slide the sleeve Pull the terminal while pushing the locking lever Hold the sleeve and pull out the terminal slowly Connector Sleeve Locking lever Terminal with locking mechanism Detaching points The terminal which has the locking mechanism can be detached as shown below There are 2 types Refer to 1 and 2 of the terminal with locking mechanism The terminal without locking me...

Страница 39: ...move the V A clamp and the indoor outdoor connecting wire 3 Remove the indoor electrical box Refer to 2 4 Remove the earth wire connected to the electrical box from the indoor power P C board 5 Disconnect the following connectors Indoor electronic power P C board CN201 Terminal block CN202 To the indoor electronic control P C board 6 Remove the lead wire holder 7 Remove the indoor power P C board ...

Страница 40: ...l vane motor unit and pull out the vertical vane motor unit 3 Remove the screws of the vertical vane motor unit cover 4 Disconnect the connector from the vertical vane motor 5 Remove the vertical vane motor from the vertical motor unit cover 6 Removing the horizontal vane motor 1 Remove the nozzle assembly Refer to 4 2 Remove the screws of the horizontal vane motor unit and pull out the horizontal...

Страница 41: ... fan 6 Remove the motor bed together with the indoor fan motor and the motor band 7 Release the hooks of the motor band and remove the motor band Pull out the indoor fan motor 8 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it Photo 9 9 Remove the screws fixing the left side and the upper right side of the heat e...

Страница 42: ...pe part Position and procedure for mounting the clip shape part When fixing the indoor coil thermistor to the clip shape holder shape part the lead wire should point down About the same length HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2012 MITSUBISHI ELECTRIC CORPORATION Distributed in Nov 2015 No OBH623 REVISED EDITION D Distributed in Jul 2014 No OBH623 RE...

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