Section-2
04-3006_S2_OPM_ABB_DPA_UPSCALE_RI_10-80kW_EN_150316.doc Page 14/14 ABB
Modifications reserved
2.3.2 EXTERNAL BATTERY CABINET AND BATTERY (NOT FORSEEN)
It is normally recommended for redundant systems to provide each UPS with its own separate battery. In this
way the redundancy is extended also to the batteries.
ALL THE OPERATIONS IN THIS MANUAL MUST BE PERFORMED BY CERTIFIED
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.
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 DPA UPScale RI 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 or racks and on the UPS are open.
To achieve a correct cabling:
=> Refer to chapter 2.2.1 for the DPA UPScale RI 10
=> Refer to chapter 2.2.4 for the DPA UPScale RI 20
=> Refer to chapter 2.2.7 for the DPA UPScale RI 40
1) Connect Earth (PE) between the UPS and external battery cabinet.
2) Connect the corresponding + , N, - terminals between UPS and external battery cabinet according to
drawing
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