Gree GMV-120WM/B-F

GMV5 D.C INVERTER MULTI VRF SERVICE MANUAL
235
Four-way valve
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
Step
Diagram
Operation Procedure
1. Loosen the hooks at
the bottom of the
electric box and the
screws.
●
Remove the upper and lower front
panels.
●
Loosen the hooks at the bottom of
the electric box.
●
Use a screwdriver to unscrew the
electric box.
2. Remove the electric
box.
●Disconnect internal and external
connecting lines of the electric box.
●Protect the internal parts during the
disassembly.
3. Disassemble the
four-way valve.
Use a screwdriver to unscrew
accessories of the four-way valve.
Remove the accessories.
●Heat the connecting pipes of the
four-way valve by acetylene welding
and then remove the pipes.
●Record the direction of the valve
and position of the pipe joints.
Note: Avoid nearby parts from being
burnt during welding.
4. Remove the
four-way valve.
●
Remove the four-way valve from
the pipeline.