Mitsubishi Electronics MSZ-FD35VAS, MSZ-FD25VAS service manual Removing the electrical box Photo

Page 38

OPERATING PROCEDURE

PHOTOS

3. Removing the electrical box

Photo 5

 

(1)Remove the panel (Refer to 1.) and the corner box.

(2)Remove the indoor/outdoor connecting wire, the sensor holder, the electrical cover and the earth wire. (Refer to 2.)

(3)Disconnect the following connectors on the electronic con- trol P.C. board;

fan motor <CN211>, indoor coil thermistor <CN112>, vane motor <CN151>, interlock switch <CN1R1>, plasma power

P.C. board <CN1T1>.

(4) Unhook the catches of the electrical box, and pull out the electrical box. (See Photo 3)

Be sure to assemble the i-see Sensor in the correct position

4. Removing the nozzle assembly

Photo 6

(1)

Remove the panel (Refer to 1.) and the corner box.

 

 

(2)

Remove the V.A. clamp, and then the indoor/outdoor con-

 

Interlock switch

 

necting wire. (See Photo 2)

 

 

(3)Remove the sensor holder and the electrical cover. (See Photo 3.)

(4)Disconnect the following connectors on the electronic con- trol P.C. board;

vane motor <CN151>, interlock switch<CN1R1>.

(5)

Remove the power monitor receiver P.C. board holder and

 

 

the plasma power holder P.C. board holder. (See Photo 4)

 

(6)

Pull out the drain hose from the nozzle assembly and

 

 

remove the nozzle assembly.

 

(7)

Remove the interlock switch.

Screws of the interlock switch

5. Removing the vertical vane motor unit

Photo 7

(1)

Remove the nozzle assembly. (Refer to 4.)

 

 

(2)

Remove the crank of the vertical vane motor unit from the

 

Screws of the vertical vane motor unit cover

 

 

 

arm of the vertical 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.

(w) Only the crank of the left side vertical vane motor unit.

 

 

(See Photo 7)

 

 

(6) Remove the vertical vane motor from the the vertical vane

Crank of the vertical

Screw of the vertical

motor unit.

vane motor unit

vane motor unit

(7)Disconnect the connector of vertical vane motor from the vertical vane motor.

Photo 8

Screws of the vertical vane motor unit cover

Crank of the vertical

Screw of the vertical

vane motor unit

vane motor unit

 

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Image 38
Contents MSZ-FD25VA E1 MSZ-FD25VAS E1 MSZ-FD35VA E1 MSZ-FD35VAS E1 Page Technical Changes Part Names and Functions See control operationIndoor model SpecificationSpecifications and rating conditions of main electric parts Noise Criteria Curves MSZ-FD25VA MSZ-FD25VASUnit mm Outlines and DimensionsWiring Diagram Refrigerant System Diagram Unit mmP.C. Board Modification for Individual Operation Service FunctionsTimer Short Mode J1 J2Operation Remote ControllerAuto Restart Function Microprocessor Control OPERATE/STOPDRY Operation Auto Change Over ··· Auto Mode OperationCool Operation Heat OperationHorizontal vane Auto Vane OperationOutdoor Unit MXZ series Vertical vane COOL/DRY HeatSee Sensor Area SettingSee Control Operation Daytime Plasma Operation Operation and operating rangeProgram Timer Clean OperationTimer Operation EMERGENCY/TEST Operation Minute Time Delay OperationEmergency Operation switch E.O.SW Troubleshooting Failure Mode Recall Function OFFFlow chart of Plasma operation failure mode recall function Plasma operation checkIndoor unit failure mode table Plasma operation failure mode tableInstruction of Troubleshooting StartTroubleshooting Check Table An abnormality other than above mentioned is detectedPlasma Trouble Criterion of Main Parts Troubleshooting Flow Power lamp flashes 3-time Indoor fan does not operateYes Check of indoor P.C. board and indoor fan motor How to check miswiring and serial signal error Check of installation of the horizontal vane Electromagnetic noise enters into TV sets or radios SW P.C. Board Test Point Diagram and VoltageIndoor electronic control P.C. board CN1 Disassembly Instructions Removing the panel PhotoPower monitor receiver Removing the vertical vane motor unit Photo Removing the nozzle assembly PhotoRemoving the electrical box Photo Removing the horizontal vane motor Photo Removing the indoor fan motor and the line flow fan PhotoSpecifications subject to change without notice