Vertiv
| Liebert
®
EXM
™
Battery Cabinet User Manual |
10
1.6.1
Connecting the Liebert EXM Battery Cabinet to the UPS
After the battery cabinet equipment has been positioned and secured for operation and the
batteries have been connected, connect the power cables as described below (see
Figure 9
).
1.
Verify that all incoming high and low voltage power circuits are de-energized and locked out or tagged
out before installing cables or making any electrical connections.
2.
Remove the UPS front input output panel to gain access to the ground and battery busbars.
3.
Remove the battery cabinet front panel to gain access to the busbars.
4.
Connect the safety ground and any necessary bonding ground cables to the copper ground busbar.
(example: UPS located behind the output busbars.).
All cabinets in the UPS system must be connected to the user's ground connection.
5.
Connect the system battery cables from the UPS battery terminals (+, N, -) to battery cabinet breaker
BCB (+, N, -) as shown in
Figure 9
. Be sure that the battery connections are made with the right polarity,
and tighten the connections to the torque specified in
Table 19
. Do not close the battery circuit breaker
before the equipment has been commissioned.
6.
Connect TB1 from battery cabinet to J22 on the UPS according to
Table 1
.
Figure 2
Bolting the Liebert EXM Battery Cabinet to the Liebert EXM UPS
NOTE
The grounding and neutral bonding arrangement must be in accordance with the National
Electrical Code and all applicable local codes.
NOTE
The shunt trip drive capability for the battery breaker is 220VDC at 2.4A.
DETAIL B
Liebert EXM
Battery
Cabinet
Liebert EXM
UPS
3
Washer
Split, M10
Flat Washer
M10
Hex Head
Bolt
M10 x 30mm
1
2
B
