Gree Ultra Heat GMV-V72W/A-F, Service Manual, Page: 159 / 240

Ultra Heat GMV VRF Technical Service Manual MAINTENANCE
154
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
gas/liquid separator.
●Heat the connecting pipes of the gas/liquid
separator by acetylene welding and then
remove the pipes.
Note: Avoid nearby parts from being burnt
during welding.
4. Remove the gas/liquid
separator.
●Unscrew and remove the gas/liquid separator.
5. Install a new gas/liquid
separator.
●Put the gas/liquid separator based on the
position of the suction and discharge pipes and
weld the pipes with the gas/liquid separator.
●During welding, charge nitrogen into the pipes.
The pressure should be controlled within
0.5±0.1 kgf/cm
2
(relative pressure).
Note: Avoid nearby parts from being burnt
during welding.
●Screw the gas/liquid separator.