Mitsubishi Electric MSZ-FE12NA Service Manual download pdf (Page 41)

OPERATING PROCEDURE PHOTOS

3. Removing the indoor electrical box

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

(2)

Remove the indoor/outdoor connecting wire.

(Refer to 2 (2)-(4).)

(3) Remove the ground wire connected to the indoor heat

exchanger from the electrical box.

(4) Remove the screw of the electrical cover and remove

the electrical cover.

(5) Disconnect all the connectors on the indoor electronic

control P.C. board and unhook all lead wires.

(6) Remove the screw fixing the electrical box, then the

upper catch of the electrical box, and pull out the

electrical box.

Photo 3

Photo 4

4. Removing the nozzle assembly

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

(2) Remove the V.A. clamp, and then the indoor/outdoor

connecting wire.

(Refer to 2 (2)-(4).)

(3) Remove the electrical cover. (Photo 2)

(4) Disconnect the following connectors on the electronic

control P.C. board:

CN151 (Horizontal vane motor)

CN152 (Vertical vane motor)

(5) Remove the power monitor receiver holder. (Photo 2)

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

remove the nozzle assembly.

(7) Remove the vane motors. (Refer to 5 and 6.)

Screw of the vertical

vane motor unit

Screw of the

electrical box

Indoor electri-

cal control P.C.

board

Ground wires

Indoor terminal

P.C. board

Upper catch

Screw of the

terminal block

Screw of the

conduit cover

Screw of the conduit plate

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Mitsubishi Electric MSZ-FE12NA Service Manual Page 41

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