Modifications reserved
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5.6.2
Connection of external battery cabinet for DPA UPScale™
For redundant multi-module systems, it is normally recommended to provide each UPS module with
its own separate battery. In this way, the redundancy is extended to the batteries. Figures 5.6.3-1 and
5.6.4-1 show how to connect the batteries in the external battery cabinet and in the DPA UPScale
frames ST 80 or ST 120.
NOTE
ALL THE OPERATIONS IN THIS MANUAL MUST BE PERFORMED BY
CERTIFIED ELECTRICIANS OR BY QUALIFIED INTERNAL PERSONNEL.
DO NOT OPERATE IF WATER OR MOISTURE IS PRESENT.
BY OPENING OR REMOVING THE UPS COVERS YOU RUN THE RISK OF
EXPOSURE TO DANGEROUS VOLTAGES!
If the five battery units are to be used as one common battery for all five UPS modules then battery
links may be connected as shown below.
NOTE
TO ENSURE PROTECTION OF PERSONNEL DURING THE UPS
INSTALLATION 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 shutdown of the DPA UPScale, perform the following steps:
1.
Make sure that the fuses feeding the UPS in the input distribution board are all open and no
power is being 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 corresp , N, - terminals between UPS and external battery cabinet,
according to the drawing.
Summary of Contents for DPA UPScale ST120
Page 1: ... Copyright 2017 ABB All rights reserved User Manual DPA UPScaleTM ST S2 10 200 kW ...
Page 76: ...Modifications reserved Page 76 79 10 Attachments 10 1 Technical data sheet ...
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Page 79: ... Copyright 2017 ABB All rights reserved Technical data sheet DPA UPScaleTM ST S2 10 200 kW ...
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Page 105: ... Copyright 2017 ABB All rights reserved Technical data sheet DPA UPScaleTM ST S2 10 200 kW ...