c
Check the motor amp draw.
#1 L1 _______________ L2 ______________ L3 _______________
#2 L1 _______________ L2 ______________ L3 _______________
#3 L1 _______________ L2 ______________ L3 _______________
#4 L1 _______________ L2 ______________ L3 _______________
#5 L1 _______________ L2 ______________ L3 _______________
#6 L1 _______________ L2 ______________ L3 _______________
#7 L1 _______________ L2 ______________ L3 _______________
#8 L1 _______________ L2 ______________ L3 _______________
#9 L1 _______________ L2 ______________ L3 _______________
#10 L1 _______________ L2 ______________ L3 _______________
#11 L1 _______________ L2 ______________ L3 _______________
#12 L1 _______________ L2 ______________ L3 _______________
#13 L1 _______________ L2 ______________ L3 _______________
#14 L1 _______________ L2 ______________ L3 _______________
#15 L1 _______________ L2 ______________ L3 _______________
#16 L1 _______________ L2 ______________ L3 _______________
Vertiv™ Liebert® EconoPhase Pumped Refrigerant Economizer:
c
Clean coil and free of debris.
c
Check/retorque wire connections.
c
Check contactors for pitting. Replace if pitted.
c
Check surge protection device status indicator lights (if equipped).
c
Verify pump speed control operation.
c
Check pump mounting.
66 Proprietary and Confidential ©2024 Vertiv Group Corp. 12 Preventive Maintenance Checklist
Vertiv™ Liebert® MCV Installer/User Guide
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