Mitsubishi Electric MSZ-FD VA Series Service Manual page 60

OPERATING PROCEDURE
3. Removing the defrost thermistor, discharge tempera-
ture thermistor, outdoor heat exchanger temperature
thermistor and ambient temperature thermistor
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Remove the back panel. (Refer to 1.)
(3) Disconnect the following connectors:
<Electronic control P.C. board>
CN661 (Discharge temperature thermistor, defrost thermis-
tor and outdoor heat exchanger temperature ther-
mistor)
CN663 (Ambient temperature thermistor)
(4) Pull out the defrost thermistor from its holder.
(5) Pull out the discharge temperature thermistor from its hold-
er. (Photo 7)
(6) Pull out the outdoor heat exchanger temperature thermistor
from its holder.
(7) Pull out the ambient temperature thermistor from its holder.
4. Removing outdoor fan motor
(1) Remove the top panel, cabinet and service panel. (Refer to
1.)
(2) Disconnect the following connectors:
<Electronic control P.C. board>
CN931 and CN932 (Fan motor)
(3) Remove the propeller.
(4) Remove the screws fixing the fan motor.
(5) Remove the fan motor.
Photo 5
Outdoor heat
exchanger tempera-
ture thermistor
Photo 6
Screws
of the
outdoor
fan motor
60
PHOTOS
Ambient tem-
perature
thermistor
Defrost thermistor