Mitsumi electronic MU09NW User Manual

39

(1) Remove the screws caps of the front panel.

Remove the screws.

(2) Pull the panel down to your side slightly and unhook the

catches at the top.

(1) Remove the front panel. (Refer to 1)
(2) Remove the screw of the electrical cover.

Remove the electrical cover.

(3) Disconnect the room temperature thermistor and the con-

nector from the indoor coil thermistor.

(4) Remove the terminal cover.

Remove the screw of the terminal block.

(5) Disconnect all the connectors on the electronic control P.C.

board.

(6) Disconnect the white lead wire and the black lead wire from

52C relay.

(7) Remove the electronic control P.C. board and the display

P.C. board.

NOTE:

w

on the wiring diagram shows the terminals with a lock mechanism, so it

cannot be removed when you pull the lead wire. Be sure to pull the wire by
pushing the locking lever (projected part) of the terminal with a finger.

1

1

Slide the sleeve.

2

2

Pull the wire while pushing

the locking lever.

Screw

Indoor electronic
control P.C.
board

Terminal block
cover

Terminal block
cover screw

Room temperature
thermistor connector

Front panel

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