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216
No.
10
Part to be
exchanged
Exchange of
4-way valve
Work procedure
REQUIREMENT
Wear protective clothing on your hands as
other components may cause and injury etc.
Before beginning the procedure, ensure the
refrigerant has been reclaimed from the
outdoor unit, using a suitable refrigerant
recovery device.
1) Remove the lower cabinet (Front side).
2) Remove the inverter box according to the
item “How to remove the inverter box”.
3) Remove the brazed sections on PMV
assembly at 3 positions. (Refer to the figure
below.)
4) Remove the brazed sections on the 4-way
valve at 4 positions.
∗ When brazing, prepare a shield plate, etc.
so that the brazing flames do not burn the
wires.
Remarks
Remove brazed sections at
2 positions on the strainer.
4-way valve
body
Remove brazed sections at
2 positions under PMV.
Remove brazed sections at
3 positions on the 4-way valve.
PMV assembly
Remove brazed sections at
1 position under 4-way valve.
After removal of
PMV assembly
Before removal of
PMV assembly