Mitsubishi Electric Mr.Slim PLA-A24EA7 Service Manual page 38

OPERATING PROCEDURE
4. Removing the room temperature thermistor (TH1)
(1) Remove the electrical box cover. (See Photo 1 and 2.)
(2) Disconnect the connector CN20 (Red) from the indoor
controller board.
(3) Remove the room temperature thermistor with its holder.
(See Photo 3.)
5. Removing the indoor controller board (I.B)
(1) Remove the electrical box cover. (See Photo 1 and 2.)
(2) Disconnect the connectors:
CNMF (White) for fan motor
CNV (White) for vane motor
CN5Y (White) for motor for i-see Sensor
CN4Z (White) for sensor for i-see Sensor (sensor)
CN90 (White) for signal receiver
CNP (White) for drain pump
CN4F (White) for float switch
CN44 (White) for thermistor (TH2/TH5)
CN01 (Black) for Indoor/Outdoor connecting line
CN3C (Blue) for Indoor/Outdoor transmission
Disconnect the connectors for optional parts, if any.
(3) For the unit controlled with the wireless remote control-
ler, disconnect the lead wire connected to TB5 on the
indoor controller board.
TB5: Remote controller transmission connecting wire
(4) Remove the indoor controller board (3 holders/4 hooks).
(See Photo 4.)
OCH640C
PHOTOS/FIGURES
Photo 3
Electrical box
In Indoor controller
b board
Electrical box
(M5×10)
Thermistor (TH1)
Photo 4
Holders
38
Thermistor (TH1)
CN20
Electrical box
(M5×10)
( ( ( ( )
Thermistor holder
Hooks