48
Photo 5
4. Removing the thermistor <Outdoor 2-phase pipe> (TH6)
(1) Remove the service panel. (See Photo 1.)
(2) Remove the top panel. (See Photo 1.)
(3) Disconnect the connectors, TH6 and TH7 (red), on the
controller circuit board in the electrical parts box.
(4)
Loosen the 2 wire clamps on top of the electrical parts box.
(5) Pull out the thermistor <Outdoor 2-phase pipe> (TH6) from
the sensor holder.
Note: In case of replacing thermistor <Outdoor 2-phase
pipe> (TH6), replace it together with thermistor
<Outdoor> (TH7) since they are combined together.
Refer to No.6 below to remove thermistor <Outdoor>.
5. Removing the thermistor <Outdoor> (TH7)
(1) Remove the service panel. (See Photo 1.)
(2) Remove the top panel. (See Photo 1.)
(3)
Disconnect the connector TH7 (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 5.)
(5) Pull out the thermistor <Outdoor> (TH7) from the sensor
holder.
Note: In case of replacing thermistor <Outdoor> (TH7),
replace it together with thermistor <Outdoor 2-phase
pipe> (TH6), since they are combined together.
Refer to No.5 above to remove thermistor <Outdoor
2-phase pipe>.
Photo 7
Clamp
Thermistor
<Outdoor 2-phase pipe>(TH6)
6. Removing the thermistor <Liquid pipe> (TH3), thermistor
<Discharge> (TH4) and thermistor <Suction pipe> (TH32)
(1) Remove the service panel. (See Photo 1.)
(2) Disconnect the connectors, TH3 (white) and TH4 (white)
on the controller circuit board in the electrical parts box.
(3) Loosen the clamp for the lead wire in the rear of the elec-
trical parts box.
[Removing the thermistor<Liquid pipe>(TH3)]
(4) Pull out the thermistor <Liquid pipe> (TH3) from the sen-
sor holder.
[Removing the thermistor<Suction pipe>(TH32)]
(4) Pull out the thermistor <Suction pipe> (TH32) from the
thermo-holder.
(TH32 : See. Figure 2)
[Removing the thermistor<Discharge>(TH4)]
(4) Pull out the thermistor <Discharge> (TH4) from the sen-
sor holder.
Electrical
parts box
Photo 6
Soundproof
cover (upper)
for compressor
Thermistor <Outdoor pipe> (TH3)
Compressor
(MC)
Lead wire of thermistor
<Outdoor>
(TH7)
Sensor holder
Thermistor
<Discharge>
(TH4)
OPERATING PROCEDURE
PHOTOS