Mitsubishi Air Conditioner PUMY-P36NKMU1

Disconnect the connector TH7/6 (red) on the multi controller circuit board in the electrical parts box

Loosen the wire clamps on top of the electrical parts box

Pull out the thermistor <Ambient> (TH7) from the sensor holder

Remove 2 front cover panel fixing screws (5 × 12) and remove the front cover panel

Remove front panel fixing screws, 5 (5x12) and 2 (4 x 10) and remove the front panel

Remove 4 back cover panel fixing screws (5 × 12) and remove the back cover panel

Remove the electrical parts box

Disconnect the connecting wire from terminal block

Remove all the following connectors from multi controller circuit board

Pull out the disconnected wire from the electrical parts box

Compressor Lead Wire Disconnection

Disconnect the compressor lead wire from the comp. terminal

Disconnect the connector 63LS (blue) on the multi controller circuit board in the electrical parts box

Remove the electrical parts box (See Photo 4)

Remove the welded part of low pressure sensor

Remove 4-way valve coil fixing screw (M5 × 7)

Remove the 4-way valve coil by sliding the coil toward you

Disconnect the connector 21S4 (green) on the multi controller circuit board in the electrical parts box