Mitsubishi Electric MSZ-FE12NA Service Manual download pdf (Page 37)

OPERATING PROCEDURE

PHOTOS

2. Removing the electronic control P.C. board, the

power monitor receiver P.C. board, i-see Sensor, SW

P.C. board and the terminal block

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

(2) Remove the screw of the conduit cover. Remove the con-

duit cover and the indoor/outdoor connecting wire.

(3) Remove the sensor holder from the electrical cover.

(4) Remove the screw of the electrical cover, and then the

electrical cover.

(5) Remove the ground wire connected to the indoor electronic

control P.C. board from the electrical box.

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

(7) Pull out the i-see Sensor from the power monitor receiver

P.C. board holder.

( ) Install the i-see Sensor in its former position when assem-

bling it. (Photo 5)

(8) Open the rear cover of the power monitor receiver P.C.

board holder and pull out the power monitor receiver P.C.

board.

(9) Open the sensor holder and pull out the SW P.C. board.

(10)

Pull the electronic control P.C. board slightly toward you

from the electrical box, and disconnect TAB3 and all the

connectors on the electronic control P.C. board.

(11)

Pull out the electronic control P.C. board from the electrical

box.

(12)

Remove the ground wire connected to the heat exchanger

from the electrical box.

(13)

Unhook the catches of the electrical box, and pull out the

electrical box.

(14)

Remove the screw of the terminal block cover, and then

the terminal block cover and the terminal block holder.

(15)

Remove the terminal block by sliding it.

Power monitor receiver

P.C. board holder

Photo 4

i-see Sensor

Photo 3

Photo 2

Ground wire to the heat exchanger

Drain hose

Screws of the

terminal block

cover

Sensor holder

Screw of the

electrical cover

Sensor holder (inside)

SW P.C. board

Screw of the

conduit cover

Terminal block

cover

Conduit cover

Holder

Catches of the

electrical box

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 43 44

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Mitsubishi Electric MSZ-FE12NA Service Manual Page 37

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