Remove Electrical Parts Box Fixing Screw; Removing The Thermistor - Mitsubishi Electric City Multi PUMY-P36NHMU Technical & Service Manual

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
saturated 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
saturated temp> (TH6), since they are combined
together.
Refer to No.4 above to remove thermistor <Low
pressure saturated temp>.
PHOTOS & ILLUSTRATION
Photo 4
Photo 5
Electrical
parts box
Photo 6
Lead wire of thermistor
<Outdoor> (TH7)
Lead wire of thermistor
89
Electrical parts box
Electrical parts box fixing screw
Thermistor
<TH6>
PUMY-P48NHMU
Sensor holder
PUMY-P36NHMU/P48NHMU
Sensor holder
<Outdoor>
(TH7)
(1)
2