Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 114

5. Remove the terminal cover and disconnect the compressor lead wire.
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.
Photo 4
Front panel fixing screws (5x12)
Front
panel
fixing
screws
(4x10)
Valve
bed
fixing
screw
Front panel
fixing screws (5x12)
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 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 to remove thermistor <Ambient> (TH7).
Photo 6
Clamps
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 to remove thermistor <Suction pipe> (TH6).
OCH790 _114
Electrical parts box
Noise filter
circuit board
(NF)
Outdoor multi
controller
circuit board
(MULTI.B)
Terminal blocks
(TB3) (TB7)
Terminal block
(TB1B)
Terminal block
(TB1)
Valve bed fixing
screws
Valve bed
Compressor (MC)
Terminal cover
Cover panel (Rear)
Cover panel
fixing screws Cover panel (Front)
Electrical parts box
Photo 5
Hooks
Photo 7
Thermistor
<Suction pipe>
(TH6)
Thermistor
<Compressor>
(TH4)
Compressor
(MC)
Ball valve and stop valve fixing screws
Electrical parts box
Hook
Electrical
parts box
fixing screws
Thermistor
<HIC pipe>
(TH2)
Ball valve
and stop
valve
fixing
screws