Mitsubishi Electric PUMY-P125VMA, Техническое и сервисное руководство

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OPERATING PROCEDURE PHOTOS
10. Four-way valve disassembly procedures:
(1) Remove the side panel (See photo 1).
(2) Remove the top panel (See photo 1).
(3) Remove the electrical parts box (See photo 5 or 6).
(4) Recover gas from the refrigerant circuit.
(5) Remove the 4-way valve coil (See photo 7).
(6) Remove the mounting screws from the gas side ball
valve (2 pcs : 5
o
16).
(7) Remove the field piping from the outdoor unit (gas side).
(8) Remove the welded portion.
1
Upper and lower heat exchanger inlet (T connector).
2
Accumulator inlet (T connector)
3
4-way valve inlet
(9) Remove 4-way valve.
✻ Do not expose 4-way valve to above 120°C.
Photo 11
Photo 12
Photo 13
11. Solenoid valve disassembly procedures:
(1) Remove the side panel (See photo 1).
(2) Remove the electrical parts box (See photo 5 or 6).
(3) Recover gas from the refrigerant circuit.
(4) Remove the solenoid valve coil (See photo 7).
(5) Remove the welded portions of the solenoid valve.
(take care excessive heating)
12. Expansion valve disassembly procedures:
(1) Remove the side panel (See photo 1).
(2) Remove the electrical parts box (See photo 5 or 6).
(3) Recover gas from the refrigerant circuit.
(4) Remove welded portions of expansion valve.
(take care excessive heating)
✻ To remove welded portion, cut the band holding it and
remove the rubber tube.
Pipe of heat exchanger inlet (T connector)
Accumulator inlet
(T connector)
Fixing screws
Gas side ball valve
4-way valve inlet
4-way valve
Solenoid valve coil
Welding parts
Expansion valve Band Rubber tube
Welding parts
Oil separator
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