Gree GMV-Y36WL/A-T, Service Manual

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GREE hotovoltaic Multi VRF for North America
138
Removal operation for plate heat exchanger
Remark: Before removing the plate heat exchanger, please make sure that there’s no refrigerant inside the pipeline
of system and disconnect the power
Process Photo Operation Instruction
3)Replace plate
heat exchanger
●Replace plate heat
exchanger
4) Replace gas
liquid separator
● Weld the pipe
connected with plate
heat exchanger
Note: During welding
process, do not let
flame burn out other
parts
5 Common Maintenance
5.1 Vacuum drying for the system
5.1.1 Selection requirement for the vaccum pump
Do not use different vacuum pump for vaccum-pumping for different refrigerant system
；
The final vacuum for the vacuum pump should reach -0.1Mpa;
The air discharge volume for the vacuum pump should reach 4L/S above;
The precision of vacuum pup should reach 0.02mmHg above;
The system vacuum pump for R410A must be with check valve.