Vertiv
| Liebert
®
EXM
™
Battery Cabinet User Manual |
27
The Alber BDSUi system is installed inside the battery cabinet as shown in
Figures 14
,
15
and
16
.
The monitoring system power inlet is wired to the Alber BDSUi fuse block on the UPS (see
Figures 10
and
12
). The Alber BDSUi fuse block supplies 120VAC and has an 8A fuse.
If required, power can be supplied from the output terminals of the UPS, a distribution panel or
another UPS-protected source.
For details about operating the Alber system, refer to the Alber unit’s documentation, available at
http://www.alber.com/
Figure 10 Alber BDSUi-UXCM rear panel
2.9
Connecting an Alber
®
BDSUi-UXBM/50
™
The battery module is wired at the factory. Refer to the Alber user manual for details.
Table 8
Alber UXCM rear panel features
Connection
Function
Liebert IntelliSlot Bays,
2
Enables remote connectivity and use of optional protocols
Remote Alarm Reset
Permits a remote alarm to be reset by shorting these two pins
Form C Alarm Relay
Output
Enables alarm outputs for critical, maintenance and hardware
alarms
24VAC Output Power
Power connections for UXBM when a UXCM is connected to
multiple strings
Fiber Optic
Communication with the UXBM/50
Power Switch
Turns UXCM On and Off
Input Power Receptacle
Power cord connection and fuse holder
+ -
COM NC NO COM NC
COM
NO
NO
NC
REMOTE
RESET
CRITICAL
ALARM
MAINT.
ALARM
HARDWARE
ALARM
OUTPUT
4
OUTPUT
3
OUTPUT
2
OUTPUT
1
24VAC
Maximum
2 Strings
24VAC
Maximum
2 Strings
24VAC
Maximum
2 Strings
24VAC
Maximum
2 Strings
FIBER OPTIC
RX
TX
UXCM – ASSEMBLED IN U.S.A.
24VAC Output Power Connections
Liebert
IntelliSlot Bays
Alarm Reset
and Outputs
Fiber Optic
Connectors
Input Power
Cable
Receptacle
Power Switch
Fuse Holder