154
OPERATING PROCEDURE PHOTOS
(6) Remove 2 electrical parts box fixing screws (4 × 10) then
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.
4. Removing the thermistor <Suction 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 multi con-
troller circuit board in the electrical parts box.
(4) Loosen the wire clamps on the back of 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 Photo 1)
(2) Remove the top panel. (See Photo 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.
(See Photo 6.)
(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 5
From the previous page.
Photo 6
Photo 7
Electrical parts box
Clamps
Photo 8
Lead wire
of
thermistor <Ambient>
(TH7)
Sensor holder
Electrical
parts box
Multi controller
board (MULTI.B)
Electrical parts
box fixing screws
Thermistor
<Low pressure
saturated temp.>
(TH6)
Hooks
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