Gree GMV5E Series Service Manual page 266

GREE
Step 10: Install a new oil separator.
If the original oil separator contains impurities inside, replace it.
Step 11: Install a new compressor.
Note: Keep wiring identical to factory installation. Control varies with compressors. Wrong wiring or
inverse connection of the compressors may cause damage to units.
Cautions on replacement of compressors:
① Before installing new compressors, remove the sealing rubbers and weld the compressors with
corresponding pipes. During welding, charge nitrogen into the pipes. Since compressors' suction
and discharge pipes are made of copper plated steels, you need to prepare special welding rods
(containing 5% or more silver). Welding clearance should be controlled within 0.1~0.3mm,
GMV5E DC INVERTER VRF UNITS SERVICE MANUAL
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