Compressor Replacement - G&D VERTICAL AIR Series Installation Manual & User Manual

REFRIGERANT PIPING
The compressor suction and discharge lines are copper. In most instances, piping may be reused. If piping is not
reusable, order the correct service parts. Cut all tubing with a tubing cutter to prevent copper filings from entering
the system. Cut the tubing in a straight length of pipe after the compressor connection has been un‐sweated. The
line can then be reinstalled using a slip coupling and brazing.
NOTICE: The compressor suction line configuration must not be changed in any way. Changing compressor suction
line configuration will compromise proper oil return to the compressor(s).
COMPRESSOR ELECTRICAL TERMINAL BOX
Be sure to protect the terminal box and all wiring when un‐brazing or brazing compressor refrigerant piping
connections

COMPRESSOR REPLACEMENT

If the chiller suffers a failed compressor, use these steps for replacement:
Each compressor has lifting eyes. Use proper lifting techniques.
After a mechanical failure of a compressor, it is necessary replace the liquid line filter drier. After an electrical failure
of a compressor, it will also be necessary to 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 16 inches of the elbow of any compressor 25hp or larger.
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