Mitsubishi Electric PUZ-M200YKA Service Manual page 106

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. (See Photo 4)
(4) Loosen the fastener for the lead wire in the electrical
parts box.
(5) Loosen the clamps for the lead wire on top of the electri-
cal parts box.
(6) Pull out the thermistor <Ambient> (TH7) from thermistor
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 in the previous page to remove the
thermistor <2-phase pipe>(TH6).
7. Removing the thermistor <Liquid> (TH3), thermistor
<Discharge> (TH4) and thermistor <Comp. surface>
(TH33), Thermal protector (TRS).
(1) Remove the service panel. (See Photo 1)
(2) Disconnect the connector, TH3 (WHT), TH4(WH) and
TH33(YE) on the controller circuit board in the electrical
parts box. (See Photo 4)
(3) Loosen the fastener, cable strap and band for the lead
wire on the controller circuit board in the electrical parts
box.
(4) Loosen the clamp for the lead wire on separator.
(5) Pull out the thermistor <Liquid> (TH3) from thermistor
clip and thermistor <Discharge> (TH4) from thermistor
holder.
(6) Remove the damper cover and damper top, then pull out
the thermistor <Comp. surface> (TH33) from thermistor
holder.
(7) Remove the lead wire on the thermal protector (TRS)
from the hook-and-loop fastener on the damper.
(8) Remove the damper and pull out the thermal protector
(TRS) from the holder.
OCH737
PHOTOS/FIGURES
Photo 11
Lead wire of thermistor <Ambient> (TH7)
Photo 12
Damper cover
Damper top
Compressor
Thermistor <Liquid> (TH3)
Damper
Thermistor <Comp. Surface> (TH33)
Hook-and-loop fastener
106
Sensor holder
Valve bed
Thermistor
<Discharge> (TH4)
Thermal protector
(TRS)