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M-AP-001-EN Rev. N
Care should be exercised when selecting pipe sizes as they will vary according to their
application. Section 14, “Sample Refrigeration Circuits,” provides examples of compressor
piping arrangements for the most common applications.
The motor-cooling line should be channeled from the liquid line; refer to Section 13.3 for
more information. DTC requires the installation of a sight glass and full-ow liquid dryer in
the motor-cooling line.
NOTE
Some applications may require alternative arrangements. Contact DTC for further assistance, if required.
• • • CAUTION • • •
The discharge line must be tted with a non-return valve to prevent reverse ow into the discharge port, which can cause
damage to compressor components.
All pipe work should be carried out in accordance with industry standards. Brazing without the use of nitrogen will result in
debris being deposited in the pipes, potentially leading to blockage or damage.
Discharge piping should contain a caution label from system manufacturers or compressor installers that the surface is hot.
Piping Considerations
17 Piping Considerations
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