Liebert® MCV Condenser
o Make sure that the coil is clean of debris (clean coil if required).
o Verify that the fans are free of debris.
o Ensure that the fans are securely mounted.
o Confirm that the motor bearings are in good condition.
o Check all refrigerant lines for vibration isolation. Support as necessary.
o Check for refrigerant leaks.
o Check the surgeprotection device (if installed) status-indicator lights.
o Check/Re-torque the wire connections.
o Check the contactors for pitting (replace if pitted).
o Verify the operation sequence/setpoints.
o Charge verification:
Outdoor Ambient Temperature__________
Subcooling__________
Indoor unit return air temperature__________
Receiver sight-glass level _________
o 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® DSE Thermal Management System Installer/User Guide
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