Gree U-Match 5 Series Manual page 125

GREE
Note: Before removing the 4-way valve, make sure refrigerant is fully discharged from the unit and power is cut off.
Step
2. Break off the connection pipes
from the 4-way valve.
3. Replace the 4-way valve and
connect it to the connection
pipes.
4. Install the coil of 4-way valve.
U-Match 5 SERIES UNIT SERVICE MANUAL
Removal of 4-way valve
Picture
122
Work instruction

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.

Replace the 4-way valve and
then use a soldering gun to
weld the 4 joints of the 4-way
valve.
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.

Tighten the screws of the coil
of 4-way valve with a
screwdriver.