Batteries; In-Built Batteries; External Battery Cabinets - ABB PowerValue 11/31 T Operating Manual

4.3 Batteries

Each battery block consists of 24 batteries of 12V in series. The nominal DC voltage of a battery block
is therefore 288Vdc.
4.3.1

In-built batteries

Some models of PowerValue 11/31 T have internal batteries. These batteries are already installed and
connected when the units are delivered. To replace, reduce or increase the amount of batteries, connect
the batteries as indicated in the figure 16. Connect the terminals to their matching color terminals.
4.3.2

External battery cabinets

To achieve longer back up times, external battery cabinets are available
Each can host up to 96 batteries 9 Ah and two configurations are possible: 2 x 24 x 9 Ah and 4 x 24 x
9 Ah.
Battery cabinets are dispatched empty, with links and trays. Batteries for both of above configurations
are available separately.
1. If the UPS has internal batteries, disconnect the battery connectors.
2. Connect a battery breaker between the external battery cabinet and the UPS according to the
specifications contained in the technical datasheet
3. Set the battery breaker to the position OFF and connect the batteries (24 batteries in series).
4. Connect the battery cabinet to the battery terminals in the rear of the UPS.
Modifications reserved
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1x24 batteries
Figure 16: Internal batteries connections
2x24 batteries