Section-2
04-3008_S2_ABB_OPMCPDPA-S2_GB_121202
Page 15/16 ABB
Printed in Switzerland – Modifications reserved
2.3.2.2
Connection of External Battery Cabinet for Conceptpower DPA™ S2
It is normally recommended for redundant Multi-Module systems to provide each UPS-Module with its own
separate battery. In this way the redundancy is extended also to the batteries. In the Figure 1. and Figure 2. the
drawing shows how to connect the batteries in the external battery cabinet and the Upgrade DPA frames.
NOTE!
ALL THE OPERATIONS IN THIS MANUAL MUST BE PERFORMED BY
AUTHORISED ELECTRICIANS OR BY QUALIFIED INTERNAL PERSONNEL.
DO NOT OPERATE IN CASE OF PRESENCE OF WATER OR MOISTURE.
BY OPENING OR REMOVING THE UPS-COVERS YOU RUN RISK OF EXPOSURE
TO DANGEROUS VOLTAGES!
If the five battery batches are desired to be used as one common battery for all five UPS-Modules then Battery
Links may be connected as shown below.
To ensure protection of the personnel during the installation of the UPS make sure that the connections
are performed under the following conditions:
No mains voltage is present in the UPS
All the loads are disconnected
The UPS and the external battery are voltage-free
To verify the complete shut down of the
Conceptpower DPA
TM
S2
perform following steps:
1) Make sure that the fuses feeding the UPS in the input Distribution Board are all open and no power is
fed to the UPS.
2) Make sure the "MAINTENANCE BYPASS"(IA1) is open (position "OFF”)
3) Make sure the battery fuses in the external battery cabinet and on the UPS are open.
4) Connect
Earth
(PE)
between the UPS and external battery cabinet.
5) Connect
the
corresponding
+ , N, -
terminals between UPS and external battery cabinet according to
drawing
!
!
