Vertiv Liebert DSE - Page 77

Compressor Section
1. Check oil level
2. Check for oil leaks
3. Check compressor mounts (springs/bushings)
4. Cap tubes (not rubbing)
5. Check/Re-torque wire connections (inside compressor box)
6. Compressor operation (vibration/noise)
7. Check crank-case heater fuses/operation
8. Check for refrigerant leaks
9. Suction pressure Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
10. Discharge Pressure Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
11. Superheat Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
12. Low-pressure switch cut
out
Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
13. Low pressure cut in Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
14. High pressure cut out Circuit #1 _______ Circuit #2 _______ Circuit #3 _______
15. Amp draw
Circuit #1A L1 L2 L3
Circuit #1B (if tandem) L1 L2 L3
Circuit #2A L1 L2 L3
Circuit #2B (if tandem) L1 L2 L3
11 Preventive Maintenance Checklist 77