Mitsubishi Electric PUMY-P112VKM4 Technical & Service Manual page 151

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 electri-
cal parts box.
(4) Loosen the wire clamps on top of the electrical parts
box.
(5) Pull out the thermistor <Suction pipe> (TH6) from the
sensor 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 thermis-
tor <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 sen-
sor 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 thermis-
tor <Suction pipe> (TH6).
OCH673C
PHOTOS/FIGURES
Photo 5
Hooks
Clamps Clamps
Photo 6
Photo 7
Thermistor
<Suction pipe> (TH6)
Thermistor
<Compressor> (TH4)
Compressor (MC)
Ball valve and stop valve fixing screws
Photo 8
Lead wire of thermistor <Ambient> (TH7)
Sensor holder
151
Electrical parts box
Hook
Electrical parts
box fixing
screws
Electrical parts box Electrical parts box
Thermistor
<HIC pipe>
(TH2)
Ball valve
and stop and stop
valve fixing
screws