Mitsubishi Electronics MSZ-FD09NA Removing the electrical box Photo, Removing the nozzle assembly

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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 ground wire. (Refer to 2.)

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

CN211 (Fan motor)

CN112 (Indoor coil thermistor)

CN1U1 (Horizontal vane motor)

CN151 (Vertical vane motor)

(4) Unhook the catches of the electrical box, and pull out the

 

electrical box. (See Photo 4)

Be sure to assemble the i-see Sensor in

 

 

the correct position

4.Removing the nozzle assembly

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

(2)Remove the conduit cover, and then the indoor/outdoor connecting 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;

 

CN1U1 (Horizontal vane motor)

 

 

 

 

 

 

CN151 (Vertical vane motor)

 

 

 

 

 

(5) Remove the power monitor receiver P.C. board holder and

 

 

 

 

 

 

the holder. (See Photo 4)

 

 

 

 

 

(6) Pull out the drain hose from the nozzle assembly and

 

 

 

 

 

 

remove the nozzle assembly.

Photo 6

 

 

5. Removing the vertical vane motor unit

 

 

 

 

 

 

 

 

 

Screws of the vertical vane motor unit cover

 

(1)

Remove the nozzle assembly. (Refer to 4.)

 

 

 

 

 

 

 

 

(2)

Remove the crank of the vertical vane motor unit from the

 

 

 

 

 

 

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.

 

 

 

 

 

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

 

 

 

 

 

 

Crank of the vertical

Screw of the vertical

 

Photo 6)

 

(6)

Remove the vertical vane motor from the vertical vane

 

vane motor unit

vane motor unit

 

motor unit.

 

 

 

 

 

(7)

Disconnect the connector of vertical vane motor from the

Photo 7

 

 

 

vertical vane motor.

 

 

 

 

 

 

Screws of the vertical vane motor unit cover

Screw of the vertical

Crank of the vertical

vane motor unit

vane motor unit

38

Image 38
Contents MSZ-FD09NA MSZ-FD12NA Specification has been corrected New model Accessories Part Names and FunctionsRemote controller Power supply Phase, Hz 208/230Weight External finish Indoor modelOperating Range Outlet AIR Speed and Coverage RangeAir Outlines and DimensionsUnit inch Air outWiring Diagram Refrigerant flow in cooling Refrigerant flow in heating Refrigerant System DiagramUnitinch How to modify the remote controller P.C. board Service FunctionsTimer Short Mode P.C. Board Modification for Individual OperationOperation How to release Auto Restart FunctionAuto Restart Function Lamp lights during operation Microprocessor ControlRefer to Lamp blinks in abnormal conditionHeat Operation Cool OperationDRY Operation Auto Vane Operation Auto Change Over ··· Auto Mode OperationMode selection Outdoor Unit MXZ seriesDirection Feet, set the horizontalVertical vane See Sensor Area SettingSee Control Operation Enlarged view of i-see SensorLighted Not lighted DaytimeNighttime Cold area Operation and operating range Center ·····Program Timer EMERGENCY/TEST Operation Minute Time Delay OperationChanging temperature indication F/C Lead wiring Housing point Troubleshooting procedure TroubleshootingBefore troubleshooting, check the following How to replace batteriesFailure Mode Recall Function OFFIndoor unit failure mode table PowerInstruction of Troubleshooting Troubleshooting Check Table Lighted BlinkingArea R Power Trouble Criterion of Main Parts MSZ-FD09NAMSZ-FD12NA Troubleshooting Flow Check of indoor fan motorPage Replace the horizontal vane motor, How to check miswiring and serial signal error Electromagnetic noise enters into TV sets or radios SW P.C. Board Test Point Diagram and VoltageIndoor electronic control P.C. board Power monitor receiver P.C. board Monitor P.C. board Disassembly Instructions Removing the panel PhotoOperating Procedure Photos Open the rear cover of the power monitor receiver P.CPhoto Removing the vertical vane motor unit Removing the nozzle assemblyRemoving the electrical box Photo Correct positionRemoving the horizontal vane motor Photo Removing the indoor fan motor and the line flow fan PhotoMade in Japan