Gree U-Match 6 Series - Page 101

GREE U-Match 6 SERIES UNIT SERVICE MANUAL
98
Model: GUD35W1/NhA-S,GUD50W1/NhA-S,GUD71W1/NhA-S,GUD85W1/NhA-S
Removal of 4-way valve
Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off.
Step Picture Work instruction
1. Take off the
electromagnetic coil of the
4-way valve.
 Carefully unscrew the screws of
electromagnetic coil with a
screwdriver.
2. Break off the connection
pipes from the 4-way valve.
 Use a soldering gun to loosen
the 4 joints on the 4-way valve
and then remove the
connection pipes.
Note: When welding the pipes,
the 4-way valve should be
wrapped with wet cloth for
cooling. Do not let the flame
burn the other components.
3. Replace the 4-way valve
and connect it to the
connection pipes.
 Replace the 4-way valve and
then use a soldering gun to
weld the 4 joints of the 4-way
valve.
 Tighten up the screws of
electromagnetic coil with a
screwdriver.
Note: When welding the pipes,
the 4-way valve should be
wrapped with wet cloth for
cooling. Do not let the flame
burn the other components.