15. Water-treatment plan established and followed for open cooling-tower application
16. Check refrigerant/glycol lines for signs of leaks/repair as found
17. Motor amp draw
#1 L1 L2 L3
#2 L1 L2 L3
#3 L1 L2 L3
#4 L1 L2 L3
Glycol Pump (if equipped)
1. Check pump rotation
2. Check pump and supply/return lines/connections for leaks
3. Pump pressures
#1 Suction Discharge
#2 Suction Discharge
#3 Suction Discharge
4. Amp Draw
#1 L1 L2 L3
#2 L1 L2 L3
#3 L1 L2 L3
5. Verify pump changeover (if multiple pumps)
Vertiv | Liebert® PDX™ and PCW™ Installer/User Guide | 95
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