Mitsubishi Electric PUMY-P112VKM1 Service Manual page 150

From the previous page.
OPERATING PROCEDURE
(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.
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, TH6 and TH7 (red), on the
Outdoor multi controller 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 Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Disconnect the connector TH7 (red) on the outdoor multi
controller 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).
OCH576
PHOTOS & ILLUSTRATION
Photo 5
Photo 6 Clamps
Photo 7
Thermistor
<Suction pipe> (TH6)
Thermistor
<Compressor> (TH4)
Photo 8
Lead wire of thermistor <Ambient> (TH7)
150
Electrical parts box
Electrical parts
box fixing
screws
Electrical parts box
Thermistor
<HIC pipe>
(TH2)
Ball valve
and stop
valve fixing
screws
Compressor (MC)
Sensor holder