Mitsubishi Electric Mr.SLIM PUHZ-RP35VHA2 Service Manual page 138

OPERATING PROCEDURE
4. Removing the thermistor <Outdoor 2-phase pipe> (TH6)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Disconnect the connectors, TH7/6 (red), on the
controller circuit board in the electrical parts box.
(4) Loosen the clamp for the lead wire in the rear 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.5 below to remove thermistor <Outdoor>.
5. Removing the thermistor <Outdoor> (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 controller
circuit board in the electrical parts box.
(4) Loosen the clamp for the lead wire in the rear of the
electrical parts box. (See Photo 4)
(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.4 above to remove thermistor
<Outdoor 2-phase pipe>.
6. Removing the thermistor <Outdoor pipe> (TH3) (TH33) and
thermistor <Discharge> (TH4), thermistor <Shell> (TH32)
(1) Remove the service panel. (See Figure 1)
(2) Disconnect the connectors, TH3 (white) and TH4 (white),
TH33 (yellow), TH32 (black) on the controller circuit board
inthe electrical parts box.
(3) Loosen the clamp for the lead wire in the rear of the
electrical parts box. (See Photo 4)
(4) Pull out the thermistor <Outdoor pipe> (TH3), (TH33) and
thermistor <Discharge> (TH4) from the sensor holder.
[Removing the thermistor<Shell> (TH32)]
for 60/71VHA3#1
(5) Pull out the themistor <Shell> (TH32) from the holder of
the compressor shell.
VHA2 (TH33 : See Photo 9)
(1)
VHA3 (#1) (TH3, TH33 : See Figure 2)
Photo 4
Controller
Electrical parts box
circuit board
(C.B.)
Photo 5
PUHZ-RP60/71VHA2
Lead wire of thermistor
<Outdoor> (TH7)
PUHZ-RP60/71VHA2
Lead wire of thermistor
Photo 6
PUHZ-RP60/71VHA2
Thermistor<Discharge> (TH4) Thermistor<Outdoor pipe> (TH3)
138
PHOTOS
Thermistor
<Outdoor 2-phase pipe>
(TH6)
Sensor holder
PUHZ-RP60/71VHA3(#1)
1
Sensor holder
<Outdoor>
(TH7)
(1)
Clamp