Mitsubishi Outdoor Unit MUZ-WR12NA

(1) Remove the cabinet and panels. (Refer to section 1.)

(2) Disconnect the lead wire to the reactor and the following connectors:

CN641 (Defrost thermistor and discharge temperature thermistor)

CN643 (Ambient temperature thermistor)

CN644 (Outdoor heat exchanger temperature thermistor)

(3) Pull out the discharge temperature thermistor from its holder.

(4) Pull out the defrost thermistor from its holder.

(5) Pull out the outdoor heat exchanger temperature thermistor from its holder.

Disconnect the lead wire to the reactor

Disconnect the following connectors

Remove the compressor connector (CN61)

Remove all the screws fixing the heat sink support and the separator

Remove the fixing screws of the terminal block support and the back panel

Remove the screw of the ground wire and screw of the terminal block support

Remove the heat sink support from the P.C. board support

(1) Remove the cabinet and panels. (Refer to section 1.)

(2) Remove the inverter assembly. (Refer to section 2.)

(3) Remove all the screws fixing the reactor.

(5) Remove the soundproof felt.

(6) Recover gas from the refrigerant circuit.

NOTE: Recover gas from the pipes until the pressure gauge shows 0 PSIG.

(7) Detach the brazed part of the suction and the discharge pipe connected with compressor.

(8) Remove the nuts fixing the compressor.

(1) Remove the cabinet and panels. (Refer to section 1.)

(2) Disconnect the following connectors:

(3) Remove the propeller fan nut.

(5) Remove all the screws fixing the fan motor.

NOTE: The propeller fan nut is a reverse thread.;

(1) Remove the cabinet and panels. (Refer to section 1.)

(2) Disconnect the following connectors: