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OPERATING PROCEDURE
4. Removing the thermistor <2-phase pipe> (TH6)
(1) Remove the service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the connectors, TH7/6 (red), on the controller
circuit board in the electrical parts box.
(4) Loosen the fastener on the electrical parts box and unbind
the lead wires.
(5) Loosen the cable strap for the lead wire in the rear of the
electrical parts box.
(6) Pull out the thermistor <2-phase pipe> (TH6) from the
sensor holder.
Note: When replacing thermistor <2-phase pipe> (TH6),
replace it together with thermistor <Ambient> (TH7)
since they are combined together.
Refer to procedure 5 below to remove thermistor
<Ambient>.
5. 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 fastener on the electrical parts box and unbind
the lead wires.
(5) Loosen the cable strap for the lead wire in the rear of the
electrical parts box. (See Photo 4)
(6) 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 4 above to remove thermistor
<2-phase pipe>.
6. Removing the thermistor <Liquid> (TH3) and thermistor
<Discharge> (TH4), thermistor <Comp. surface> (TH34)
(1) Remove the service panel. (See Photo 1)
(2) Disconnect the connectors, TH3 (white) and TH4 (white),
TH34 (red) on the controller circuit board in the electrical
parts box.
(3) Loosen the cable strap for the lead wire in the front of the
electrical parts box.
(4) Loosen the fastener on the electrical parts box and unbind
the lead wires.
(5) Pull out the thermistor <Liquid> (TH3), and thermistor
<Discharge> (TH4) from the sensor holder.
[Removing the thermistor<Comp. surface> (TH34)]
(6) Remove the sound proof cover (upper) for compressor.
(7) Pull out the thermistor <Comp. surface> (TH34) from the
holder of the compressor shell.
OCH533D
PHOTOS
Photo 4
Thermistor <2-phase pipe>
(TH6)
Electrical parts box
Controller
circuit board (C.B.)
Photo 5
Lead wire of thermistor <Ambient> (TH7)
Photo 6
Motor for compressor
Thermistor
(MC)
<Comp. surface>
(TH34)
92
Cable strap
Sensor holder
Thermistor <Liquid> (TH3)
Thermistor
<Discharge>
(TH4)
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