Vertiv
| Liebert
®
NXL
™
500-750kVA UPS Installation Manual |
56
Figure 41 Alternate Liebert
®
NXL
™
500kVA bottom cable entry
Phase A and Phase B busbars can be removed to ease bottom cable entry on the Liebert
®
NXL
™
500kVA. The cables can be pulled and lugged.
1.
Install Phase C cables.
2.
Install Phase B busbar as shown in
.
3.
Install Phase B cables.
4.
Install Phase A busbar as shown in
5.
Install Phase A cables.
6.
Verify that all busbar bolt connections are torque properly.
Liebert
®
NXL
™
500kVA Rectifier
Front View with Busbars
and Breaker
Liebert
®
NXL
™
500kVA Rectifier
Front View without Phase A
and Phase B Busbars
Phase A Busbar
Phase B Busbar
Phase C Busbar
DETAIL A
Torque Specifications
See Detail A
for Torque
Specifications
Glastic to
Bus Torque
240 in-lb,
Typical
Bolt-Nut to
Bus Torque
240 in-lb, Typical