GMV5 DC INVERTER VRF UNITS SERVICE MANUAL
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②Clear oil return pipes.
③Clear liquid pipe filters.
For other pipeline parts, clear them based on actual situation. If you do not replace the parts immediately,
make sure to block the pipes with tapes, preventing air moistures and impurities from contaminating
them.
Step 7: Preparations.
1. Prepare new parts.
In the course of moving compressors, do not lay them down or put them upside down. The tilt angle
should be less than 30°. Make sure oil will not overflow from the oil balance opening. The inlet and outlet
1. Remove the oil
return filter to see
whether it is blocked. If
yes, replace the filter
2. Blow nitrogen into
the oil return pipes
and capillary tubes to
clean them
1. Remove the liquid
pipe filter to see
whether it is blocked. If
yes, replace the filter
2. Replace
the drying
filter