Gree GMV-1015WM/G-U, Service Manual

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Gree GMV6 DC Inverter VRF Units Service Manual
279
equalizer, and make relevant records to facilitate the replacement of compressors, gas-liquid separator
and other components, and adding of lubricant to the system. The total amount of oil that is poured out
of the system needs to be supplemented with additional oil after repair.
Step 8: Removing pipeline system
After checking the parts that need to be replaced, check whether there is any abnormality in the
system pipeline. Use nitrogen to blow the main pipeline and focus on detecting and removing the oil
passages.
①
Removing the oil return pipeline.
2. Use high-pressure nitrogen
to clean the capillary tube
and oil return pipeline.
1. Remove the oil return
filter to see if it is blocked.
If yes, replace the filter.
②
Checking the liquid pipe filter.
Remove the liquid pipe
filter to see if it is
blocked. If yes, replace
the filter.
Remove the other piping components according to the actual conditions. If the components are not
replaced immediately after removing the pipeline, use tape to seal the pipeline to prevent moisture and
impurities from contaminating the system.
Step 9: Replacing compressors