Mitsubishi Electric PUZ-SM100VKA2 Service Manual page 88

OPERATING PROCEDURE
6. Removing the thermistor <Ambient> (TH7)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the connector TH7/6 (red) on the controller
circuit board in the electrical parts box.
(4) Loosen the 2 wire clamps on top of the electrical parts box.
(See Photo 12)
(5) Pull out the thermistor <Ambient> (TH7) from the sensor holder.
Note: When replacing thermistor <Ambient> (TH7),
replace it together with thermistor <2- phase pipe>
(TH6), since they are combined together. Refer to
procedure No.5 to remove thermistor <2-phase
pipe>.
7. Removing the thermistor <Liquid> (TH3), thermistor
<Discharge> (TH4) and thermistor <Comp. surface> (TH33)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 2 cover panel (front) fixing screws (5 × 12) and
remove the cover panel (front). (See Photo 1)
(4) Remove 4 cover panel (rear) fixing screws (5 × 12) and
remove the cover panel (rear). (See Photo 1)
(5) Remove 4 right side panel fixing screws (5 × 12) in the rear
of the unit and remove the right side panel (See Photo 18)
(6) Disconnect the connectors, TH3 (white), TH4 (white) and
TH33 (black) on the controller circuit board in the electrical
parts box.
(7) Loosen the fastener for the lead wire under the electrical
parts box. (See Photo 14)
(8) Pull out the thermistor <Liquid> (TH3) from thermistor clip.
(9) Pull out the thermistor <Discharge> (TH4) from the
thermistor holder. (See Photo 16)
[Removing the thermistor <Comp. surface> (TH33)]
(10) Remove the sound proof cover (upper) for compressor.
(See Photo 16)
(11) Pull out the thermistor <Comp. surface> (TH33) from the
holder of the compressor shell. (See Photo 17)
Photo 16 (100V/YKA2)
Thermistor
<Discharge> (TH4)
Compressor
Nut
OCH774A
Thermistor
<Comp.surface> (TH33)
PHOTOS/FIGURES
Photo 13 Thermistor <Ambient> (TH7)
Photo 14
Fastener
Photo 15
Thermister
<liquid>
(TH3)
Photo 17 (140V/YKA2)
Thermistor
<Discharge> (TH4)
Thermistor
<Comp.surface> (TH33)
Compressor
88
Sensor holder
Nut