Emerson Liebert NXL 250 kVA - Figure 41 1+N UPS Transfer to Bypass Menu Commands; Load Transfer-1+N System: Remove a UPS from System (Collective)

Operation
41 Liebert
®
NXL
™
2.15.8 Load Transfer—1+N System: Remove a UPS from System (Collective)
1. Under the “Transfer” menu button on the touchscreen, press the “This Module” button.
The Transfer/Retransfer screen will appear in the multipurpose window (see Figure 41).
2. If the system has enough capacity to turn Off the unit, press the “Remove Inverter” button. This
will open CB2.
3. To isolate the UPS from the critical bus, open the MOB breaker. This breaker is external to UPS,
possibly in the paralleling gear.
4. See 2.15.7 - Load Transfer—N+1 System: Add UPS to N+1 System (Collective) to reconnect
the module to the collective.
Figure 41 1+N UPS Transfer to Bypass menu commands
NOTE
If disengaging this UPS from the system will cause the other UPS units in the system to
overload, then the “Remove Inverter” will be disabled.