04-3275_OPM_ABB_CONCEPTPOWER_DPA_500kW_EN_REV-A.docx Page 15/78 ABB
Modifications reserved
4.2 ELECTRICAL INSTALLATION
The electrical installation procedure is described in the following. The installation inspection and initial start-up of
the UPS and extra battery cabinet must be carried out by a qualified service personnel such as a licensed service
engineer from the manufacturer or from an agent certified by the manufacturer.
WARNING
THE INSTRUCTION IN THIS USER MANUAL HAVE ALWAYS TO BE FOLLOWED IN
ORDER TO AVOID INJURIES FROM ELECTRICAL IMPACTS.
WARNING
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 FRONT COVERS BEHIND THE UPS DOOR, YOU
RUN RISK OF EXPOSURE TO HAZARDOUS VOLTAGES.
PHYSICAL INJURY OR DEATH MAY FOLLOW, OR DAMAGE MAY OCCUR TO THE
UPS, OR THE LOAD EQUIPMENT IF THESE INSTRUCTIONS ARE IGNORED.
To ensure correct operation of the UPS and its ancillary equipment it is necessary to provide the appropriate wiring
and with fuse protection in accordance with the prescribed local standards or with the local regulations/law.
Alternatively refer to the suggested appropriate wiring and fuse protection in the next subsections 4.3.
The UPS unit has the following power connections:
Rectifier input: three-phase (1-L1, 1-L2, 1-L3)
Bypass input :three-phase (2-L1, 2-L2, 2-L3)
Neutral (N) The Neutral connection at UPS input (upstream) is mandatory.
Load output : three-phase (3-L1, 3-L2, 3-L3)
Battery: (+) and (-) Note: The battery (-) is at the same potential and is the same connection point as N.
Protective earth (PE)
IMPORTANT
NOTES
In TN-S Systems, no 4-pole input switches or circuit breakers should be used. If you
have to use for other reason a 4-pole switch, you have to be aware that, when open,
the system - UPS and all downstream equipment - are floating against the PE.
To Next Page
Loading...
