Siemens Hicom 150 E Office Service Manual page 179

Hicom 150 E Office Rel.1.0 Service Manual - 6 Expanding the system
External 48 V DC
network
system
is used
(in place of internal battery
board)
Example of how to connect PSUIs to USVIs
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2. Install the ELS2-ACW mains cutoff unit(s) in system cabinet(s)
(metal back panel, lower right-hand corner): position the device
(note right/left) with the brackets in the middle lower row of
square holes and lightly press the sides until it engages in the
ridges.
3. Connect the output socket(s) of the mains cutoff unit(s) and
PSUI(s) using the cable(s) supplied
PSUI interface with two screws.
4. Connect PSUI(s) and battery managers using the cable(s)
supplied (Figure
from the rear and mounted on the metal back panel.
5. Insert power cable
of the network splitting device(s).
1. Bolt distribution frame (C39165-A7200-B10)
backplane mount on the rear panel using two threaded bushes.
The two four-pin connectors must be plugged directly into the
corresponding connectors on the battery managers.
2. If necessary, remove the power cable from the PSUI(s).
3. Install the ELS2-ACW mains cutoff unit(s) in system cabinet(s)
(metal back panel, lower right-hand corner): position the device
(note right/left) with the brackets in the middle lower row of
square holes and lightly press the sides until it engages in the
ridges.
4. Connect the output socket(s) of the mains cutoff unit(s) and
PSUI(s) using the cable(s) supplied
PSUI interface with two screws.
5. Connect the connecting cable between the external
battery/charging rectifier and the distribution frame.
Caution! Connecting lines must be protected (max. 25 A)!
6. Insert power cable
of the network splitting device(s).
(Figure
6-2). Cables must be routed to the cabinet(s)
(Figure 6-2, [C]) in the upper input socket(s)
(Figure
(Figure 6-2, [C]) in the upper input socket(s)
6-2, [A]). Secure each
(Figure 6-3) to the
6-2, [A]). Secure each