GREE Duct type split Air conditioner Inverter Series
119
Disassembly and Assembly of 4-way valve
Remark: Make sure that there isn’t any refrigerant in pipe system and the power supply is cut off before removal of
4-way valve.
1.Remove electric coils of 4- way
valve.
Place electric coils far away from
the 4-way valve to prevent the
connecting line of 4-way valve from
burning when succeeding welding.
2.Disconnect the pipe (site D in
illustration) of 4-way valve and
discharge pipe.
Don’t leave welding slag inside
pipes.
3.Disconnect the pipe (site E in
illustration) of 4-way valve and
connecting pipe.
Don’t leave welding slag inside
pipes.
4.Disconnect the pipe (site C in
illustration) of 4-valve and
connecting pipe.
Don’t leave welding slag inside
pipes.
5.Disconnect the pipe (site S in
illustration) of 4-way valve and
connecting pipe.
Don’t leave welding slag inside
pipes.
6.Remove the 4-way valve.
Remove 4-way valve after it is
cooled.
Install new 4-way valve in reversed order and wrap it with wet cloth before welding.