Mitsubishi Electric SLZ Series Technical & Service Manual page 31

OPERATING PROCEDURE
6. Removing the pipe temperature thermistor/liquid (TH2)
and pipe temperature thermistor/gas (TH5)
(1) Remove the panel. (Refer to procedure 2)
(2) Remove the room temperature thermistor (TH1). (Refer
to procedure 4)
(3) Remove the drain pan. (Refer to procedure 5)
Pipe temperature thermistor/liquid (TH2) and pipe
temperature thermistor/gas (TH5) (See Photo 8)
(4) Remove the control box cover. (Refer to procedure 3)
(5) Disconnect the thermistor connectors from the CN44 on
the indoor controller board.
(6) Cut the band fixing the thermistor connectors to the fan
motor cable.
(7) Remove the thermistors from the holders on heat
exchanger.
Note: When re-attaching the thermistor connectors to the
fan motor cable, make sure to put the fixed band
into the groove. (See Photo 8-1)
7. Removing the fan motor (MF)
(1) Remove the panel. (Refer to procedure 2)
(2) Remove the room temperature thermistor (TH1). (Refer
to procedure 4)
(3) Remove the drain pan. (Refer to procedure 5)
Turbo fan (See Photo 3)
(4) Remove the nut and washer from the turbo fan.
(5) Remove the turbo fan from the motor shaft.
< Nut and washer >
Note 1: When assembling the turbo fan, attach it so that
it's tabs fit the holes of washer.
Note 2: Nut tightening torque: 4.5 ± 0.5 Nm.
Turbo fan
tabs
Fan motor (See Photo 9)
(6) Remove the control box cover. (Refer to procedure 3)
(7) Disconnect the fan motor cable from the CNMF on the
indoor controller board.
(8) Remove the 2 motor lead cover fixing screws, then
remove the motor lead cover.
(9) Loosen the 3 clamps fixing the fan motor cable.
(10) Cut the band.
(11) Remove the 3 nuts and washers, then remove the fan
motor.
(12) Remove the 3 motor mounts.
Note 1: When re-attaching the motor mount, make sure
that the thicker end faces the motor shaft.
(See Photo 10-1)
Note 2. When re-attaching the turbo fan, make sure that
the tightening torque for nuts is 5 N·m or lower.
TCH118
Photo 8
Pipe temperature
thermistor/gas
Photo 8-1
Band
Photo 9
Motor lead
cover
Motor lead
cover fi xing
screws
Washer
holes
Photo 10
Motor mounts
31
PHOTOS/FIGURES
(TH5)
Pipe temperature
thermistor/liquid (TH2)
Clamps
Band
Nut and washer Nut and washer Fan motor Fan motor Fan motor
Photo 10-1
Fan motor
Thicker end
Fan motor
Band
cable
Fan motor
cable
Motor lead
cover fi xing
screws
Nuts and
washers
Fan motor
Motor mount