Specification History
| SWS Version | Created | Specification ID | Title | Specification | Objective | Supporting Materials | Rationale | Status |
|---|---|---|---|---|---|---|---|---|
| Version 2020 | 08/14/2020 - 14:25 | 5.0103.4c | Refrigerant piping | Size refrigerant lines to match compressor manufacturer specifications and desired return velocities Install new filter dryers when installing new compressors Install P-type oil traps at the base of suction line risers and inverted P-type oil traps at the top of risers Slope horizontal runs 1" per 20' toward the compressor Install vibration absorbers in accordance with manufacturer specifications Route refrigerant piping so as not to inhibit service access to compressor or associated equipment |
Piping installed to ensure proper oil return, proper operation, and not interfere with normal maintenance or service procedures |
Black Line | ||
| Version 2020 | 08/14/2020 - 14:25 | 5.0103.4c | Refrigerant piping | Size refrigerant lines to match compressor manufacturer specifications and desired return velocities Install new filter dryers when installing new compressors Install P-type oil traps at the base of suction line risers and inverted P-type oil traps at the top of risers Slope horizontal runs 1" per 20' toward the compressor Install vibration absorbers in accordance with manufacturer specifications Route refrigerant piping so as not to inhibit service access to compressor or associated equipment |
Piping installed to ensure proper oil return, proper operation, and not interfere with normal maintenance or service procedures |
Black Line |