GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
207
5. Remove the
compressor.
●
Remove the compressor from
the chassis.
6. Install a new
compressor on the
chassis.
●
Put the compressor in a proper
position.
●
Use a wrench to screw the nuts
on the compressor.
●
The compressor should not be
installed upside down.
7. Connect the
suction and
discharge pipes of
the compressor to
the pipeline system.
●
Heat the
suction and discharge
pipes by acetylene welding and
then install the pipes.
●
During welding, charge
nitrogen into the pipes. The
pressure should be controlled
within 0.5±0.1 kgf/cm
2
(relative
pressure).
●
Avoid nearby materials from
being burnt during welding.
8. Connect the
power line to the
compressor, and
install the electric
heating belt, top
temperature sensor,
and discharge air
temperature sensor.
●Put the power line in a proper
position.
●
Use a screwdriver to screw the
power line.
●
Install the electric heating belt,
top temperature sensor, and
discharge air temperature
sensor
.
●
Put the sound-proof sponge
back to position.
9. Check and then
install the front
panels.
●
Check various parts and
connecting lines.
●
If no problem is found, hook
the front panels and tighten the
screws.
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