Mitsubishi Electric Mr.SLIM SLZ-KA25VA Technical & Service Manual page 28

OPERATING PROCEDURE
5. Removing the room temperature thermistor (TH1)
(1) Remove the panel. (Refer to 3)
(2) Pull out the room temperature thermistor from the drain
pan.
(3) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(4) Remove the connector (CN20) from the indoor controller
board, and disconnect the room temperature thermistor.
6. Removing the drain pan
(1) Remove the panel. (Refer to 3)
(2) Remove the room temperature thermistor and the 2 lead
wires held with fastener; wireless controller board relay
connector (9P red) and panel relay connector (10P white).
(3) Remove the 4 screws fixed to the drain pan, and remove
the drain pan.
(4) Remove the fan guard. (Refer to 2)
7. Removing the pipe temperature thermistor/liquid (TH2)
and condenser/evaporator temperature thermistor (TH5)
(1) Remove the panel. (Refer to 3)
(2) Remove the drain pan. (Refer to 6)
(3) Disconnect the indoor coil thermistor from the holder.
(4) Remove the 3 screws fixed to the piping cover, and
remove the piping cover. (See photo 9)
(5) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
Pipe temperature thermistor/liquid (TH2)
(6) Remove the connector (CN21) from the indoor controller
board, and disconnect the pipe temperature thermistor/liquid.
Condenser/evaporator temperature thermistor (TH5)
(6) Remove the connector (CN29) from the indoor controller
board, and disconnect the condenser/evaporator temperature
thermistor.
8. Removing the fan motor (MF)
(1) Remove the panel. (Refer to 3)
(2) Remove the drain pan. (Refer to 6)
(3) Remove the nut and the washer from the turbo fan, and
remove the turbo fan.
(4) Remove the 2 screws fixed to the control box cover, and
remove the control box cover.
(5) Disconnect the connectors of the (fan 1) and the (fan 2)
from the indoor controller board.
(6) Remove the 3 screws fixed to the piping cover, and
remove the piping cover. (See photo 9)
(7) Remove the 6 screws fixed to the flat plate, and remove
the flat plate.
(8) Disconnect the lead wires to the direction of the fan motor,
and remove the 3 nuts of the fan motor.
PHOTOS&ILLUSTRATIONS
Photo 4
Control box
Screw
Room
temperature
thermistor
(TH1)
Screw
Control box
Photo 5
Pipe temperature
thermistor/liquid
(TH2)
Photo 6
Flat plate
Screws
Lead
wires
Screw
28
Connectors
Drain plug
Screw
Drain pan
Screw
Fan guard
Condenser/evaporator
temperature thermistor
(TH5)
Screw
Nut
Fan motor
(MF)
Nut
Screws
Nut