Gree GC201808-III, Service Manual

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GREE GMV5 HR HEAT RECOVERY UNITS
301
(1) Clear oil return pipes.
(2) Clera 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
should be blocked. If the sealing rubber is not available, cover them with tape to prevent direct contact of
oil and air.
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.