Gree GMV5E Series Service Manual page 283

GREE
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
Step
5. Install a new
gas/liquid separator.
6. Fix and wire the
electric box.
7. Check and install the
front panels.
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Gas/liquid separator
Diagram
279
Operation Procedure
●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/cm2 (relative
pressure).
Note: Avoid nearby parts from
being burnt during welding.
●Screw the gas/liquid separator.
●Put the electric box back to
original position and screw it.
● Connect all lines.
●Check various parts and
connecting lines.
● If no problem is found, hook the
front panels and tighten the
screws.