Mitsubishi Electric MSZ-GF60VE - E1 Service Manual Download Page 4

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ACCESSORIES

PART NAMES AND FUNCTIONS

MSZ-GF60VE MSZ-GF60VE2 MSZ-GF71VE MSZ-GF71VE2

Model

MSZ-GF60VE

MSZ-GF60VE2

MSZ-GF71VE

MSZ-GF71VE2

Installation plate

Installation plate fi xing screw 4 × 25 mm

Remote controller holder

Fixing screw for 3.5 × 16 mm (Black)

Battery (AAA) for remote controller

Wireless remote controller

Felt tape (For left or left-rear piping)

Operation indicator lamp

Remote control receiving section

Emergency operation switch (E. O. SW)

Horizontal vane

Vertical vane

Air outlet

Fan

Air fi lter

[Nano platinum fi lter (GF60/71VE) /
Air purifying fi lter (GF60/71VE2)]

Air inlet

Heat exchanger

Front panel

Air cleaning fi lter

[Electrostatic anti-allergy enzyme fi lter,
option (GF60/71VE) / Silver-ionized air
purifi er fi lter, option (GF60/71VE2)]

Display section

Fan guard

Remote controller

OBH634B

Summary of Contents for MSZ-GF60VE - E1

Page 1: ...s OBH635 MXZ D VA Series OBH626 MXZ 6C122VA OBH584 INDOOR UNIT Revision B MSZ GF60VE2 E1 ER1 and MSZ GF71VE2 E1 ER1 have been added Please void OBH634 REVISED EDITION A CONTENTS 1 TECHNICAL CHANGES 3 2 PART NAMES AND FUNCTIONS 4 3 SPECIFICATION 5 4 NOISE CRITERIA CURVES 6 5 OUTLINES AND DIMENSIONS 7 6 WIRING DIAGRAM 8 7 REFRIGERANT SYSTEM DIAGRAM 9 8 SERVICE FUNCTIONS 10 9 MICROPROCESSOR CONTROL 1...

Page 2: ...ovide adequate ventilation After stopping the operation of the air conditioner turn off the power supply breaker and remove the power plug Discharge the capacitor before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts with wet hands Do not pour water into the electric parts Do not touch the refrigerant Do not touch th...

Page 3: ...because of relocation In that case the MUZ GF VE series outdoor units will not operate without taking a step Follow the procedure Deleting the memorized abnormal condition described in 10 2 1 MSZ GF60VE E1 ER1 MSZ GF71VE E1 ER1 1 New model MSZ GF60VE E1 MSZ GF60VE2 E1 MSZ GF71VE E1 MSZ GF71VE2 E1 1 Air filter has been changed 2 Optional air cleaning filter has been changed 3 Remote controller has ...

Page 4: ... Wireless remote controller 1 Felt tape For left or left rear piping 1 Operation indicator lamp Remote control receiving section Emergency operation switch E O SW Horizontal vane Vertical vane Air outlet Fan Air filter Nano platinum filter GF60 71VE Air purifying filter GF60 71VE2 Air inlet Heat exchanger Front panel Air cleaning filter Electrostatic anti allergy enzyme filter option GF60 71VE Sil...

Page 5: ... Cooling Super High 52 53 LONG POWERFUL Super High dB A 49 High 45 Med 41 Low 37 Silent 29 30 Heating Super High 52 LONG POWERFUL Super High dB A 49 High 45 Med 41 Low 37 Silent 29 30 Fan speed Cooling Super High 1 280 1 300 LONG POWERFUL Super High rpm 1 090 1 140 High 960 1 010 Med 850 900 Low 740 800 Silent 660 700 Heating Super High 1 280 1 300 LONG POWERFUL Super High rpm 1 090 1 140 High 960...

Page 6: ...R BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING 49 49 NC 10 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 49 49 NC 10 Specifications and rated conditions of main el...

Page 7: ... 52 Gas line A1 0 45m Flared connection Ø15 88 Drain hose Insulation Ø28 Connected part Ø16 O D Piping Insulation Ø50 O D Liquid line Ø9 52 0 5m Flared connection Ø6 35 Gas line Ø12 0 45m Flared connection Ø15 88 Drain hose Insulation Ø28 Connected part Ø16 O D Air out Piping Drain hose 11 26 Oblong hole 11 20 Oblong hole Installation plate Indoor unit Wall hole Ø75 Air in Installation plate MSZ G...

Page 8: ...8 WIRING DIAGRAM 6 MSZ GF60VE E1 MSZ GF71VE E1 MSZ GF60VE ER1 MSZ GF71VE ER1 MSZ GF60VE2 E1 MSZ GF60VE2 ER1 MSZ GF71VE2 E1 MSZ GF71VE2 ER1 OBH634B ...

Page 9: ...nnection Refrigerant pipe ø15 88 with heat insulator Refrigerant pipe ø6 35 MSZ GF60VE MSZ GF60VE2 ø9 52 MSZ GF71VE MSZ GF71VE2 with heat insulator Indoor coil thermistor RT12 main Indoor coil thermistor RT13 sub Refrigerant flow in cooling Refrigerant flow in heating MSZ GF60VE MSZ GF60VE2 MSZ GF71VE MSZ GF71VE2 OBH634B ...

Page 10: ...oor unit as shown in Table 1 After modification press the RESET button Table 1 1 unit operation 2 units operation 3 units operation 4 units operation No 1 unit No modification Same as at left Same as at left Same as at left No 2 unit Solder J1 Same as at left Same as at left No 3 unit Solder J2 Same as at left No 4 unit Solder both J1 and J2 How to set the remote controller exclusively for particu...

Page 11: ...oard JR77 CN151 NOTE The operation settings are memorized when 10 seconds 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 off with the remote controller before power failure the auto restart function does not work as the power bu...

Page 12: ...CLOCK SET button WIDE VANE CONTROL button LONG button WEEKLY TIMER set button TIME TIMER set buttons FORWARD button BACKWARD button RESET button i save button VANE CONTROL button MSZ GF60VE MSZ GF60VE2 MSZ GF71VE MSZ GF71VE2 MSZ GF60VE2 MSZ GF71VE2 Signal transmitting section Operation display section TEMPERATURE buttons STOP OPERATE OFF ON button Indication of remote controller model is on back F...

Page 13: ...the indoor fan starts running according to the settings on the remote controller 9 2 DRY OPERATION 1 Press OPERATE STOP ON OFF GF60 71VE STOP OPERATE OFF ON GF60 71VE2 button OPERATION INDICATOR lamp of the indoor unit turns on with a beep tone 2 Select DRY mode with OPERATION SELECT button 3 The set temperature is determined from the initial room temperature 1 Coil frost prevention Coil frost pre...

Page 14: ...f the room temperature is equal to or lower than the set temperature operation starts in HEAT mode 2 Mode change COOL mode changes to HEAT mode when about 15 minutes have passed with the room temperature 1 C below the set temperature HEAT mode changes to COOL mode when about 15 minutes have passed with the room temperature 1 C above the set temperature NOTE 1 If 2 or more indoor units are operatin...

Page 15: ...stat off this control does not work in the indoor unit 9 ECONO COOL operation ECONOmical operation When ECONO COOL button is pressed in COOL mode set temperature is automatically set 2 C higher by the microprocessor However the temperature on the LCD screen on the remote controller is not changed Also the horizontal vane swings in various cycle SWING operation makes you feel cooler than set temper...

Page 16: ...lease the timer To release ON timer press ON TIMER button To release OFF timer press OFF TIMER button TIMER is cancelled and the display of set time disappears 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 timer of the set time that is reached first will operate first and display shows the order of OFF t...

Page 17: ...is case the ON OFF timer has priority over the weekly timer the weekly timer operation will start again after the simple ON OFF timer is complete When the weekly timer is set temperature can not be set to 10 C The weekly timer operation and i save operation cannot be used together 1 How to set the weekly timer Press and buttons to continue setting the timer for other days and or numbers 4 Press bu...

Page 18: ...ncy operation In the test run or emergency operation the horizontal vane operates in VANE AUTO mode Emergency operation continues until EMERGENCY OPERATION switch is pressed once or twice or the unit receives any signal from the remote controller In the latter case normal operation will start NOTE Do not press EMERGENCY OPERATION switch during normal opera tion Operation mode COOL HEAT Set tempera...

Page 19: ...rvice work 2 Before servicing check that the connector and terminal are connected properly 3 When the electric 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 r...

Page 20: ...led correctly all of the operation indicator lamps will blink In this case install the horizontal vane correctly by following the procedures to NOTE Before installation of the horizontal vane turn OFF the power supply Check the upper and the lower vane 2 1 Lock Vane OBH634B ...

Page 21: ... with the remote controller headed towards 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 mentioned 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 ...

Page 22: ...the main indoor coil ther mistor the sub indoor coil thermistor 10 7 1 3 time flash 2 5 second OFF Serial signal The serial signal from outdoor unit is not re ceived for a maximum of 6 minutes Refer to 10 6 How to check miswiring and serial signal error 11 time flash 2 5 second OFF Indoor fan motor The rotational frequency feedback signal is not emitted during the 12 seconds after the indoor fan i...

Page 23: ...erial signal Upper lamp 2 time flash Cause Indoor unit Trouble of room temperature indoor coil thermistor Upper lamp 3 time flash Cause Indoor unit Trouble of indoor fan motor Upper lamp 4 time flash Cause Indoor unit Trouble of indoor unit control system Upper lamp 5 time flash Cause Outdoor unit Outdoor power system abnormality Upper lamp 6 time flash Cause Outdoor unit Trouble of thermistor in ...

Page 24: ...overcurrent protection or 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 Upper 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 servi...

Page 25: ...tly set to COOL includes DRY and HEAT at the same time the operation mode of the indoor unit that has operated at first has the priority Unify the operation mode Refer to outdoor unit service manual 10 5 TROUBLE CRITERION OF MAIN PARTS MSZ GF60VE MSZ GF60VE2 MSZ GF71VE MSZ GF71VE2 Part name Check method and criterion Figure Room temperature thermistor RT11 Indoor coil thermistor RT12 RT13 Measure ...

Page 26: ...ween CN211 and 2 Measure the voltage between CN211 and If more than 12 seconds passes after EMERGENCY OPERATION switch is pressed 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 indoor electronic control P C board rise to the range of 3 to 6 VDC within 12 seconds after EMERGENCY OPERATION switch is pressed Replace the ind...

Page 27: ... Attach a filter on receiving part Measure the voltage between power monitor receiver SW P C board connec tor CN20A No 2 and No 3 when the remote controller button is pressed Is the voltage approximately 4 VDC No Yes Replace indoor electronic control P C board Replace power monitor receiver SW P C board 1 Look at the image of the signal transmitting section of the remote controller through the mon...

Page 28: ...ane motor coil Refer to 10 5 Measure the resistance between CN211 and of the indoor fan motor connector Short open circuit Replace the indoor fan motor Short open circuit Replace the horizontal vane motor and the indoor electronic control P C board Turn OFF the power supply Check both parts side and pattern side of the indoor electronic control P C board visually Replace the varistor NR11 and fuse...

Page 29: ...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...

Page 30: ...Refer to 10 1 5 Turn ON the power supply Are all lamps flashing Yes No Turn OFF the power supply To check the continuity of the interlock switch Fan measure the resistance of connector connected to CN1R1 on the indoor electronic control P C board Is there resistance 0 Ω Yes No Replace the interlock switch Fan Replace the indoor electronic control P C board OK Turn OFF the power supply OBH634B ...

Page 31: ...pecific conditions 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 out...

Page 32: ...ort mode point JPG JPS Refer to 8 1 Please replace the fuse after removing the indoor terminal P C board from the electrical box Vane motor CN151 CN152 5 VDC 12 VDC Room temperature thermistor RT11 CN111 Indoor coil thermistor RT12 RT13 CN112 Interlock switch FAN CN1R1 1 Indoor electronic control P C board Indoor terminal P C board Power monitor receiver SW P C board MSZ GF60VE MSZ GF60VE2 MSZ GF7...

Page 33: ...cking lever or not 2 The terminal with this connector has 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 termin...

Page 34: ...the screw of the terminal block on the indoor terminal P C board 9 Remove the indoor terminal P C board and the indoor electronic control P C board Photo 2 Photo 3 3 Removing the indoor electrical box 1 Remove the panel Refer to 1 and the right corner box 2 Remove the indoor outdoor connecting wire Refer to 2 3 Remove the earth wire connected to the indoor heat exchanger from the electrical box 4 ...

Page 35: ...l vane 3 Remove the screw of the vertical vane motor unit and pull the vertical vane motor unit 4 Remove the screws of the vertical vane motor unit cover 5 Remove the crank of the vertical vane motor unit from the shaft of the vane motor 6 Remove the vertical vane motor from the vertical vane motor unit 7 Disconnect the connector of vertical vane motor from the vertical vane motor 6 Removing the h...

Page 36: ... out the indoor fan motor 9 Remove the indoor coil thermistor from the heat exchanger Install the indoor coil thermistor in its former position when assembling it Photo 9 10 Remove the screws fixing the left side of the heat exchanger 11 Lift the heat exchanger and pull out the line flow fan to the lower left When attaching the line flow fan screw the line flow fan so 5 mm gap is provided between ...

Page 37: ...ked position Do not pull the lead wire when removing the indoor coil thermistor Holder shape Clip shape 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 1 Set the indoor coil thermistor in the center of the clip shape part 2 Check the marked mounting position 3 Mo...

Page 38: ...ght 2013 MITSUBISHI ELECTRIC CORPORATION Distributed in Dec 2015 No OBH634 REVISED EDITION B Distributed in Dec 2013 No OBH634 REVISED EDITION A Distributed in Mar 2013 No OBH634 Made in Japan New publication effective Dec 2015 Specifications are subject to change without notice ...

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