Battery Wiring - Liebert 300 series Installation, Operaton & Maintenance Manual

2.4.3 Battery Wiring

The matching Battery Cabinet is designed for
easy and convenient installation. Once the unit
is located in final position, connect wiring
between battery cabinet and LIPS module. DC
cables are provided by Liebert for 2%inch wide
matching bottom battery cabinets.
CAUTION
Be sure the barrier between the UPS and
22 inch matching battery pack is in
place. See Figure 2-6.
DC cables areprovided by others for all other
battery system.s.
Power wiring to the Battery Cabinet connects
positive, negative, and ground power cables
from the Battery Cabinet to the associated UPS.
Connection of the UPS to the Battery Cabinet
serves to both charge and discharge the
batteries (when needed).
WARNING
MAKE SURE ALL POWER (AND
CONTROL IF APPLICABLE) WIRING
FROM THE UPS IS DE-ENERGIZED
AND PROPERLY INSTALLED BEFORE
CONNECTING TO THE BATTERY
CABINET.
Cables to the Battery Cabinet should be sized
for a maximum 2.0 volt total line loss at the
maximum discharge current for the equipment.
Refer to the Site Planning Data on pages 2-2
and 2-3 for maximum battery discharge current.
A qualified licensed electrician can size the
wiring for your installation using this
information.
CAUTION
sure polarity
Be is correct when wiring
the Battery Cabinet to the connected
equipment (positive to positive; negative
to negative). If polarity is not correct,
fuse failures or equipment damage can
result.
Call Liebert Customer Service
schedule installation check-out, final battery
CAUTION
A battery intercell connection on each
tier is disconnected for
shipment. Do not complete these
connections. The Liebert Customer
Service Representative will complete
these connections as part of start-up.
DO NOT CONNECT THE DISCONNECT
PLUG ON THE BATTERY CABINET
UNTIL THE INSTALLATION HAS BEEN
INSPECTED BY LIEBERT CUSTOMER
SERVICE. AN IMPROPERLY
INSTALLED UNIT CAN RESULT IN
INJURY TO PERSONNEL OR DAMAGE
TO EQUIPMENT.
(Text continued on page 2-12.)
and Support to
safety
during