Mitsubishi Electric PUMY-P100VHMB Service Manual page 97

From the previous page.
OPERATING PROCEDURE
(6) Remove electrical parts box fixing screw (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 <Low pressure saturated temp.>
(TH6)
(1) Remove the service panel. (See Figure 1)
(2) Remove the top panel. (See Figure 1)
(3) Disconnect the connectors, TH6 and TH7 (red), on the
Multi controller board in the electrical parts box.
(4) Loosen the wire clamps on top of the electrical parts box.
(5) Pull out the thermistor <Low pressure saturated temp.>
(TH6) from the sensor holder.
Note: In case of replacing thermistor <Low pressure satu-
rated temp.> (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 (red) on the Multi controller
board in the electrical parts box.
(4) Loosen the wire clamps on top 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 <Low pressure sat-
urated temp> (TH6), since they are combined together.
Refer to No.4 above to remove thermistor <Low pres-
sure saturated temp>.
PHOTOS & ILLUSTRATION
Photo 4
Photo 5
Electrical
parts box
Photo 6
Lead wire of thermistor
97
Electrical
parts box
Electrical parts
box fixing screw
Thermistor
<TH6>
Sensor holder
<Outdoor>
(TH7)