Gree GMV-224WM/B-X, Service Manual

Page: 213 / 375

GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
210
Electric expansion 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
electric expansion
valve.
●Remove the coil from the
electric expansion valve.
●Heat the connecting pipes of
the electric expansion valve by
welding and remove the pipes.
Note: Avoid nearby parts from
being burnt during welding.
4. Remove the
electric expansion
valve.
●Remove the electric expansion
valve.