Mitsubishi Electric CITY MULTI PUMY-P112VKM6 Service Manual page 111

Photo 11
High pressure
sensor (63HS)
Bypass valve
coil fixing screw
Bypass valve
coil (SV1)
12. Removing linear expansion valve (LEV-A, LEV-B)
1. Remove the service panel. (See Photo 1)
2. Remove the top panel. (See Photo 1)
3. Remove the electrical parts box. (See Photo 5)
4. Remove 3 side panel (R) fixing screws (5 × 12) in the rear of the unit and remove the side panel (R).
5. Remove the linear expansion valve coil.
6. Recover refrigerant.
7. Remove the welded part of linear expansion valve.
Note:
• Recover refrigerant without spreading it in the air.
• The welded part can be removed easily after removing the side panel (R).
• When installing the linear expansion valve, cover it with a wet cloth to prevent it from heating (100°C or more), then
braze the pipes so that the inside of pipes are not oxidized.
Photo 12
Low pressure
sensor (63LS)
13. Removing the compressor (MC)
1. Remove the service panel. (See Photo 1)
2. Remove the top panel. (See Photo 1)
3. Remove 2 cover panel (front) fixing screws (5 × 12) and remove the cover panel (front). (See Photo 4)
4. Remove front panel fixing screws 5 (5 × 12) and 2 (4 × 10), and remove the front panel. (See Photo 4)
5. Remove 4 cover panel (rear) fixing screws (5 × 12) and remove the cover panel (rear).
6. Remove the electrical parts box. (See Photo 5)
7. Remove 3 valve bed fixing screws (4 × 10) and 4 ball valve and stop valve fixing screws (5 × 16) and then remove
the valve bed. (See Photo 4 and 7)
8. Remove 3 side panel (R) fixing screws (5 × 12) in the rear of the unit and then remove the side panel (R).
9. Remove 3 separator fixing screws (4 × 10) and remove the separator. (See Figure 1)
10. Recover refrigerant.
11. Remove the 3 compressor fixing nuts for motor using spanner or adjustable wrench.
12. Remove the welded pipe of motor for compressor inlet and outlet and then remove the compressor.
Note:
• Recover refrigerant without spreading it in the air.
OCH790 _111
Linear expansion
Linear expansion valve
valve coil (LEV-A)
Low pressure sensor (63LS)
Bypass valve
High pressure switch (63H)