Filter
Top Products
22 Wiring Connections
4. The UPS Module Output Neutral is connected to one common point and solidly grounded per
requirements of the National Electrical Code. The ground connection inside the UPS cabinet
may be required by the power wiring configuration at your site.
5. For Battery Cabinets:
DC power cables (and ground) from Battery Cabinet to UPS Module, and between Battery
Cabinets. Observe polarity.
6. For remote battery:
DC power cables (and ground) from battery to Module Battery Disconnect, and then to UPS
Module DC bus. Observe polarity.
7. Module Battery Disconnect control wiring to UPS Module, and between Battery Cabinets.
8. Control wiring to Remote Monitor Panel, if used. Selected alarm messages are also available
for customer use through a set of contacts on a separate terminal board. Wiring must be run
in individual separate steel conduit.
9. Emergency Power Off control wiring must be run in separate steel conduit.
10. Communications wiring for site monitoring or for modem must be run in separate steel
conduit.
11. Power and control connections required for the Maintenance Bypass.
12. Any additional special wiring required at your site.
!
CAUTION
UPS bypass and output neutral must be connected to only one
common point in the UPS. This neutral line must be grounded at
the source.
NOTE
DC power and battery circuit breaker control cables are provided with the
matching Battery Cabinet.
!
WARNING
DO NOT MAKE ANY CONNECTIONS BETWEEN BATTERY TIERS
IN THE BATTERY CABINET. THESE CONNECTIONS WILL BE
MADE BY THE LIEBERT CUSTOMER SERVICE
REPRESENTATIVE DURING START-UP.