Installing Usvi Cabinets - Siemens Hicom 150 E Office Service Manual

Hicom 150 E Office Rel.1.0 Service Manual - 6 Expanding the system
A USVI unit generally comprises the following components:
ELS2-ACW mains cutoff unit (non-feedback and isolated separation of mains input (power
plug) from PSUI)
USVI box (space for 2 battery managers and 2 battery sets)
Battery manager board (charging and control electronics)
Battery set board (comprising 4 maintenance-free 12 V lead storage batteries).
Two fully compatible battery managers from two different manufacturers are used. Both types can be
used simultaneously in one USVI cabinet.
The battery manager is connected to the PSUI via a connecting cable. A separate battery manager
with a battery set (battery board) and a mains cutoff unit is required for each PSUI. A port for
connecting an external charging rectifier or 48 V DC network system is provided on the back of the
battery manager.

6.1.1.2 Installing USVI cabinets

Mechanical data
The design and dimensions of the
EC2). One mains cutoff unit, one battery manager and one battery board are used for each PSUI (in
place of the battery board, an external battery can also be used -
Procedure: installing the USVI cabinet(s)
Caution
The USVI cabinet must not be placed on top of a system cabinet (BC, EC1, EC2).
Always mount the stacked system cabinets on
stability.
Step
1. Remove the front and back
2. Mount stacked system cabinets on the
The base element locations for the various system configurations are indicated by arrows in
Figure 6-1.
3. Position the cabinets at the installation site in such a way that they are stable and level. Correct
any differences in height.
If cabinets are stacked, make sure that the feet of the top cabinet fit into the corresponding
depressions in the bottom cabinet.
4. Secure the cabinets together, in each case using four connecting plates and screws plus
washers (Figure
Make sure that the connecting plates are mounted in the correct direction (facing inside!).
Notes on using USVI in a three-cabinet system
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USVI cabinet correspond to those of the system cabinets (BC, EC1,
cover from the USVI and system
6-1).
page
base elements
Action
base elements.
6-8.).
to ensure the necessary
cabinets.