148
OPERATING PROCEDURE
Photo 4
(6) Remove 2 electrical parts box fixing screws (4 × 10)
and detach the electrical parts box by pulling it upward.
The electrical parts box is fixed with 2 hooks on the left
and 1 hook on the right.
From the previous page.
Photo 5
4. Removing the thermistor <Suction pipe> (TH6)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Disconnect the connector, TH7/6 (red), on the Multi control-
ler circuit board in the electrical parts box.
(4) Loosen the wire clamps on top of the electrical parts box.
(5) Pull out the thermistor <Suction pipe> (TH6) from the sen-
sor holder.
Note: When replacing thermistor <Suction pipe> (TH6),
replace it together with thermistor <Ambient> (TH7)
since they are combined together.
Refer to procedure No.5 below to remove thermistor
<Ambient> (TH7).
5. Removing the thermistor <Ambient> (TH7)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Disconnect the connector TH7/6 (red) on the multi controller
circuit board in the electrical parts box.
(4) Loosen the wire clamps on top of the electrical parts box.
(See Photo 5.)
(5)
Pull out
the
thermistor <Ambient>
(TH7)
from
the sensor
holder.
Note: When replacing thermistor <Ambient> (TH7), replace
it together with thermistor <Suction pipe> (TH6), since
they are combined together.
Refer to procedure No.4 above to remove thermistor
<Suction pipe> (TH6).
Photo 7
Lead wire
of
thermistor <Ambient>
(TH7)
Sensor holder
Photo 6
Electrical
parts box
Clamps
High pressure
sensor (63HS)
Thermistor
<Suction pipe> (TH6)
Thermistor
<Compressor> (TH4)
Thermistor
<HIC pipe>
(TH2)
Ball valve and stop
valve fixing screws
PHOTOS
Electrical parts box
Electrical parts
box fixing
screws
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