CG-SVX17D-EN 161
Maintenance
Compressor Replacement
If the CGAM chiller suffers a failed compressor, use these steps for replacement:
Each compressor has lifting eyes. Both lifting eyes must be used to lift the failed compressor. DO
NOT LIFT A COMPRESSOR USING A SINGLE LIFTING EYE. Use proper lifting techniques, a
spreader bar and rigging as for lifting both compressors simultaneously.
Compressor weights by compressor model are:
• CSHD 125 - 142 lbs.
• CSHD 161 - 155 lbs.
• CSHN 184 - 234 lbs.
• CSHN 250 - 238 lbs.
• CSHN 315 - 337 lbs.
• CSHN 374 - 362 lbs.
After a mechanical failure of a compressor, it is necessary to change the oil in the remaining
compressor and also replace the liquid line filter drier. After an electrical failure of a compressor,
it will also be necessary to change the oil in the remaining compressor, replace the liquid line filter
drier and add a suction filter drier with clean-up cores.
Note: Do not alter the refrigerant piping in any way as this can affect compressor lubrication.
Note: Do not add a filter drier within 10 inches of the elbow for CSHD compressors, or within 16
inches of the elbow for CSHN compressors.
Table 66. Compressor Locations
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