Gree GMV5 Series, Service Manual

Page: 288 / 321

GREE Photovoltaic Direct-driven Inverter Multi VRF Units
284
3.3 Disassembly and Assembly Procedure of Outdoor Unit Main
Parts
3.3.1 Disassembly and Assembly of Compressor
Removal procedure of compressor
Note: Before removing the compressor, make sure no refrigerant is inside the pipeline and power has
been disconnected.
Step Diagram Operation Procedure
1
．
Remove the
front panels.
●Use a screwdriver to unscrew
the upper and lower front panels;
●Lift the front panel in order to
take them out. Note: Both the
upper panel and lower panel are
fixed with two fasteners
respectively to connect to the side
panels.
2
．
Disconnect
the power cord
of compressor,
and remove the
electric heating
belt, top
temperature
sensor, and
discharge
temperature
sensor.
●Remove the sound -proof sponge
from the compressor;
●
Use a screwdriver to unscrew
the power cord;
●Remove the power cord;
●Remove the electric heating belt,
top temperature sensor, and
discharge temperature sensor.
Note: Before removing the power
cord, mark the wiring terminals
corresponding to the colors of
power cord.
3. Remove the
nuts of
compressor.
●Use a wrench to unscrew the 4
nuts of compressor.
4
．
Remove the
suction and
discharge
pipes.
●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±0.1kgf/cm 2 (relative
pressure);
●Avoid nearby materials from
being burnt during welding.