Mitsubishi Electric Mr.Slim PKH Series Service Manual page 34

OPERATION PROCEDURE
4. REMOVING THE POWER BOARD
(1) Remove the front panel. (See Photo 1)
(2) Remove the electrical parts box (2 screws). (See Photo 2)
(3) Disconnect the whole connector in the control board.
(4) After lifting the controller case with pressing it's convex sec-
tion, remove the controller case and the control board simul-
taneously. (See Photo 3)
(5) Disconnect the connector in the power board.
(6) Remove the power board.
5. REMOVING THE VANE MOTOR
(1) Disconnect the connector CN6V on the indoor controller
board.
(2) Remove the 2 screws of the vane motor, disconnect the lead
wire and remove the vane motor from the shaft.
6. REMOVING THE THERMISTOR
(1) Removing the room temperature thermistor TH1
1 Disconnect the connector CN20<red> on the indoor
controller board.
2Remove the room temperature thermistor from the holder.
(2) Removing the pipe temperature thermistor TH2
1 Disconnect the connector CN21<white> on the controller
board.
2Remove the pipe temperature thermistor with set to the pipe.
(3) Removing the indoor coil temperature thermistor TH5
1 Disconnect the connector CN29<black> on the indoor
controller board.
2Remove the gas pipe thermistor with set to the pipe.
7. REMOVING THE NOZZLE ASSEMBLY
(1) Disconnect the connector CN6V on the controller board.
(2) Disconnect the lead wire of the vane motor.
(3) Remove the corner cover.
(4) Pull the drain hose out from the nozzle assembly.
(5) Unhook the hook of the lower nozzle assembly and pull
the nozzle assembly toward you, then remove the nozzle
assembly by sliding it down.
8. REMOVING THE ELECTRICAL PARTS BOX
(1) Remove the terminal block cover.
(2) Disconnect the connector <yellow> of the wireless remote
controller board.
(3) Remove the front panel. (See Photo 1)
(4) Disconnect the vane motor connector.
(5) Disconnect the fan motor connector from the fan motor.
(6) Disconnect the connector <yellow> of the heater. (only PKH).
(7) Remove the liquid(TH2) / gas(TH5) pipe thermistors. (See
Photo 6)
(8) Remove the electrical parts box (2 screws).
OC330C
PHOTOS & ILLUSTRATION
(Photo 4)
(Photo 5)
Nozzle
assembly
Van motor
(Photo 6)
Pipe
temperature
thermistor
(TH2)
Room
temperature
thermistor
(TH1)
(Photo 7)
Nozzle assembly
(Photo 8)
Pipe
temperature
thermistor
Fan motor connector
34
Power board
Electrical parts
box
Set screws
Lead wire
Condenser
/evaporator
temperature
thermistor
(TH5)
Electrical
parts box
Drain hose
Hook
Corner cover
Vane motor
connector
Electrical
parts box