Gree GMV MTAC VRF Series, Service Manual

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Gree GMV MTAC VRF for North America
103
Removal operation of compressor.
Remark: Before removing the compressor, please make sure that there’s no refrigerant inside the pipeline and the
power is disconnected.
Process Photo Operation Instruction
(4) Remove the
compressor from the
chassis.

Take out the compressor and replace
it.
Note:
When replacing the
compressor, do not damage nearby
pipelines and other parts.
(5) Fix the new
compressor at the
chassis.
(6) Connect suction
pipe and discharge
pipe of copressor
and pipeline of
system again.
(7) Connect the power
cord of compressor
well.

After replacing the compresor, fix the
nuts at the bottom of compressor.

Weld the connection pipe of
compressor, connect the pipeline and
compressor
Note: During welding process, do not
let flame burn out other parts.

Loose screws fixing the power cord
with screwdriver.

Conenct the power cord well
again. Note: When connecting the
power cord, make marks for different
color power cords and corresponding
wiring terminals.
(8) Check and open the
upper cover plate.

Check whether the pipeline is
connected well.

Check whetehr all parts and
connection wires are connected well.

If there’s no problem after checking,
install front and rear cover plates.
Removal operation for 4-way valve
Remark: Before removing the 4-way valve, please make sure that there’s no refrigerant inside the pipeline of system
and then power is disconnected.
Process Photo Operation Instruction
(1) Disconnect the
coil of 4-way valve
from the 4-way
valve.
(2) Disconnect the
4-way valve and
connection
pipeline.

Remove the coil of 4-way valve at
first.

Weld those 4 connection spots on
4-way valve, and then pull out the
connection pipeNote: During welding
process, do not let the flae burn out
other parts.