GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
213
5. Install a new oil
separator.
●Weld the four pipe joints with
the oil 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 oil separator.
●
Tighten the electric heating
belt.
6. Fix and wire the
electric box.
●Put the electric box back to
original position and screw it.
●
Connect all lines.
7. Check and install
the front panels.
●Check various parts and
connecting lines.
●
If no problem is found, hook
the front panels and tighten the
screws.
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
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.
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