Gree GMV5E Series Service Manual page 274

GREE
Precondition: No refrigerant exists in the pipeline system and the power supply has been disconnected.
Step
4. Remove the
suction and
discharge pipes.
5. Remove the
compressor.
6. Install a new
compressor on the
chassis.
7. Connect the
suction and
discharge pipes of
the compressor to
the pipeline system.
8. Connect the power
line to the
compressor, and
install the electric
heating belt, top
temperature sensor,
and discharge air
temperature sensor.
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
Compressor
Diagram
270
Operation Procedure
●Heat the suction and discharge
pipes by acetylene welding and then
remove the pipes.
●During welding, charge nitrogen into
the pipes. The pressure should be
controlled within 0.5± 0.1 kgf/cm
(relative pressure).
●Avoid nearby materials from being
burnt during welding.
●Remove the compressor from 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.
●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
(relative pressure).
●Avoid nearby materials from being
burnt during welding.
●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.
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