Mitsubishi Electric MSZ-GE22VA Скачать руководство пользователя страница 35

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OPERATING PROCEDURE

PHOTOS

6. Removing the indoor fan motor, the indoor coil

thermistor, and the line flow fan

(1) Remove the panel (refer to 1.) and the corner box.
(2) Remove the indoor electronic control P.C. board hold-

er, the electrical box and the nozzle assembly.

(3) Remove the screws fixing the motor bed.
(4) Loosen the screw fixing the line flow fan.
(5) Remove the motor bed together with fan motor and

motor band.

(6) Release the hooks of the motor band. 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. (Refer to Photo 9)

(9) Remove the screws fixing the left side of the heat

exchanger.

(10) Lift the heat exchanger, and pull out the line flow fan

to the lower-left.

Photo 9

Photo 6

Photo 7

Photo 8

Screws of the line flow fan

Screws of the
motor bed

Screws of the
left side of the
heat exchanger

Motor band

Indoor coil

thermistor(sub)

RT13

Indoor coil

thermistor(main)

RT12

Mitsubishi ilmalämpöpumput huoltaa ja korjaa: Jäähdytinpalvelu RefGroup Oy

www.ilmalämpöpumput.com

Содержание MSZ-GE22VA

Страница 1: ...R CONDITIONERS Outdoor unit service manual MUZ GE VA Series OBH516 MXZ A VA Series OB377 MXZ 8A140A OC316 SERVICE MANUAL No OBH515 REVISED EDITION B INDOOR UNIT PARTS CATALOG OBB515 NOTE RoHS compliant products have G mark on the spec name plate Models MSZ GE22VA E1 MSZ GE25VA E1 MSZ GE35VA E1 MSZ GE42VA E1 MSZ GE50VA E1 Revision B MSZ GE42 50VA E1 has been added Please void OBH515 REVISED EDITION...

Страница 2: ...1 DISASSEMBLY INSTRUCTIONS has been corrected 11 6 Photo 9 has been changed Revision B MSZ GE42 50VA E1 has been added Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

Страница 3: ...3 MSZ GE22VA E1 MSZ GE25VA E1 MSZ GE35VA E1 MSZ GE42VA E1 MSZ GE50VA E1 1 New model TECHNICAL CHANGES 1 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

Страница 4: ...controller Operation indicator lamp Remote control receiving section Emergency operation switch E O SW Horizontal vane Vertical vane Air outlet Fan Air filter Catechin air filter Air inlet Heat exchanger Front panel Fan guard Air cleaning filter Anti Allergy Enzyme Filter option MSZ GE22VA MSZ GE25VA MSZ GE35VA MSZ GE42VA MSZ GE50VA PART NAMES AND FUNCTIONS 2 Mitsubishi ilmalämpöpumput huoltaa ja ...

Страница 5: ...A 42 46 48 High 36 40 43 Med 29 30 35 37 Low 21 22 30 33 Silent 19 26 28 Fan speed Cooling Super High rpm 1 020 1 120 1 120 1 280 High 860 950 1 060 Med 670 670 690 2 810 890 Low 530 680 750 Silent 470 600 650 690 2 Heating Super High rpm 1 040 1 140 1 240 High 860 700 2 950 930 2 1 080 930 2 Med 670 610 2 810 890 840 2 Low 530 690 750 Silent 470 600 650 Fan speed regulator 5 Remote controller mod...

Страница 6: ... re 0 0002 MICRO BAR BAND CENTER FREQUENCIES Hz COOLING FUNCTION SPL dB A LINE Super High FAN SPEED HEATING 42 42 NC 10 NOISE CRITERIA CURVES 4 MSZ GE42VA 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 4...

Страница 7: ...g hole 11 20 Oblong hole Installation plate Indoor unit Wall hole ø65 Air in Air out Installation plate Piping Drain hose Piping Insulation ø35 O D Liquid line ø6 35 0 5 m Flared connection ø6 35 Gas line ø9 52 0 43 m Flared connection ø9 52 22 25 35 42 ø12 7 50 Drain hose Insulation ø28 O D Connected part ø16 O D OUTLINES AND DIMENSIONS 5 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalv...

Страница 8: ...8 MSZ GE22VA MSZ GE25VA MSZ GE35VA WIRING DIAGRAM 6 MSZ GE42VA MSZ GE50VA Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

Страница 9: ...ator 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 Unit mm MSZ GE22VA MSZ GE25VA MSZ GE35VA MSZ GE42VA MSZ GE50VA REFRIGERANT SYSTEM DIAGRAM 7 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

Страница 10: ...For modification take out the batteries and press the OPERATE STOP ON OFF button twice or 3 times at first After modification put back the batteries then press the RESET button J2 J1 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 So...

Страница 11: ... 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 button of the remote controller is OFF To prevent breaker OFF due to the rush of starting current system...

Страница 12: ... ON TIMER button CLOCK SET button TIME SET buttons FORWARD button BACKWARD button OFF TIMER button RESET button i save button VANE CONTROL button Signal transmitting section Operation display section Temperature buttons OPERATE STOP ON OFF button FAN SPEED CONTROL button OPERATION SELECT button ECONO COOL button Indication of remote controller model is on back Lighted Blinking Not lighted MSZ GE22...

Страница 13: ...om tem perature is low or when defrosting is being done the indoor fan will stop or rotate in Very Low speed 2 High pressure protection The compressor operational frequency is controlled by the temperature of the indoor heat exchanger to prevent the con densing pressure from increasing excessively When the temperature of indoor heat exchanger becomes too high the high pressure protection works The...

Страница 14: ...eration with the vane angle at Angle 4 or 5 when the compressor cumulative operation time exceeds 1 hour the vane angle automatically changes to Angle 1 for dew prevention Horizontal position 5 In COOL and DRY operation Vane angle is fixed to Horizontal position In HEAT operation Vane angle is fixed to Angle 5 NOTE 2 FOR MULTI SYSTEM AIR CONDITIONER OUTDOOR UNIT MXZ series Multi system air conditi...

Страница 15: ...ration in approx 3 minutes The air conditioner starts heating operation approx 3 minutes after the vane has moved to the horizontal position Sometimes the area around your feet may not warm To warm the area around the feet set the horizontal vane to AUTO or the downward blowing position When VANE CONTROL button is pressed again the vane returns to the previously set position and the air conditione...

Страница 16: ...ation 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 is cancelled and the display of set time disappears Example 1 The current ti...

Страница 17: ...tch during normal operation Operation mode COOL HEAT Set temperature 24 C Fan speed Med Horizontal vane Auto The operation mode is indicated by the Operation Indicator lamp as following Operation Indicator lamp EMERGENCY COOL EMERGENCY HEAT STOP Lighted Not lighted 9 7 i save OPERATION 1 How to set i save operation 1 Press OPERATE STOP ON OFF button 2 Select COOL HEAT or ECONO COOL mode 3 Press i ...

Страница 18: ...res 3 Troubleshooting procedure 1 First check if the OPERATION INDICATOR lamp on the indoor unit is flashing ON and OFF to indicate an abnormal ity To make sure check how many times the abnormality indication is flashing ON and OFF before starting service work 2 Before servicing check that the connector and terminal are connected properly 3 If the P C board is supposed to be defective check the co...

Страница 19: ...r to 10 2 2 Make sure to check at least two consecutive blinking cycles 2 Releasing the failure mode recall function Release the failure mode recall function by the following procedures Turn OFF the power supply and turn it ON again Press RESET button of the remote controller The outdoor unit is abnormal Check the blinking pattern and confirm the abnormal point with the outdoor unit failure mode t...

Страница 20: ...e sub indoor coil thermistor 10 7 2 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 emit during the 12 seconds the indoor fan operation Refer to 10 6 Check of indoor fan m...

Страница 21: ... 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 outdoor unit Upper lamp 7 time flash Cause Outdoo...

Страница 22: ...d Replace the indoor electronic control P C board 5 Outdoor power sys tem Upper lamp flashes 5 time flash 2 5 second OFF It consecutively occurs 3 times that the com pressor stops for 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...

Страница 23: ...door unit is differently 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 GE22VA MSZ GE25VA MSZ GE35VA MSZ GE42VA MSZ GE50VA Part name Check method and criterion Figure Room temperature thermistor RT11 Indoor coil...

Страница 24: ...d is normal Does the voltage between CN211 and on the power P C board rise to the range of 2 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 Measure the voltage between CN211 and while the fan motor is rotating Replace t...

Страница 25: ...m back and press RESET button Refer to 10 1 4 Check if the unit operates with the remote controller Yes No Turn ON a radio to AM and press OP ERATE STOP ON OFF button on the remote controller Is noise heard from radio Yes No Replace the remote controller Are there any fluorescent lights of inverter or rapid start type within the range of 1 m Yes No Reinstall the unit away from lights Attach a filt...

Страница 26: ...2 50 No Is the resistance of resistor R111 approx 4 Ω GE22 25 35 Is the resistance of reac tor L111 approx 2 2 Ω GE42 50 No Replace the indoor power P C board the indoor terminal 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 boa...

Страница 27: ...or terminal block S2 and S3 Turn ON the power supply Is there amplitude of 10 to 20 V DC between indoor terminal block S2 and S3 Confirmation of serial signal Is there rated voltage between indoor terminal block S1 and S2 Confirmation of power voltage Yes No Is there any error of the in door outdoor connecting wire such as the damage of the wire intermediate connection poor contact to the terminal...

Страница 28: ...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 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpal...

Страница 29: ...ific 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 outdoo...

Страница 30: ...5 VDC 12 VDC GND Resistor R111 Indoor fan motor CN211 325 VDC GND high voltage DC 15 VDC 3 6 VDC 0 6 V MSZ GE42VA MSZ GE50VA Indoor terminal P C board Indoor power P C board Please replace the fuse after removing the indoor terminal P C board from the electrical box Fuse F11 Varistor NR11 Terminal block Connector to indoor electronic control P C board CN20A 5 VDC 12 VDC GND Reactor L111 Indoor fan...

Страница 31: ...r coil thermistor RT12 RT13 CN112 Vane motor CN151 Connector to Indoor power P C board CN10A 12 VDC 5 VDC Release of Auto restart function Solder the Jumper wire to JR07 Refer to 8 3 Emergency operation switch E O SW SW1 2 Indoor electronic control P C board GND Interlock switch FAN CN1R1 Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

Страница 32: ...minal 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 two types refer to 1 and 2 of the terminal with locking mechanism ...

Страница 33: ...onic control P C board Photo 2 Photo 3 3 Remove the indoor power P C board the indoor terminal P C board and the electrical box 1 Remove the panel refer to 1 and the 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 Unhook first the lower then the upper catches of the electrical box and pull ou...

Страница 34: ...y and remove the nozzle assembly 6 Remove the interlock switch Photo 4 Photo 5 5 Removing the horizontal vane motor 1 Remove the nozzle assembly Refer to 4 2 Remove the screws of the horizontal vane motor unit 3 Disconnect the connector from the horizontal vane motor 4 Remove the screws of the horizontal vane motor 5 Remove the horizontal vane motor from the horizontal vane motor unit Screws of ho...

Страница 35: ...emove 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 Refer to Photo 9 9 Remove the screws fixing the left side of the heat exchanger 10 Lift the heat exchanger and pull out the line flow fan to the lower left Photo 9 Photo 6 Photo 7 Photo 8 Screws of the line flow ...

Страница 36: ... in Dec 2008 No OBH515 REVISED EDITION B 5 Distributed in Sep 2008 No OBH515 REVISED EDITION A 5 Distributed in Aug 2008 No OBH515 6 Made in Japan New publication effective Dec 2008 Specifications subject to change without notice Mitsubishi ilmalämpöpumput huoltaa ja korjaa Jäähdytinpalvelu RefGroup Oy www ilmalämpöpumput com ...

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