Electrical Installation - ABB PowerScale CABINET A User Manual

1.5 ELECTRICAL INSTALLATION

The customer has to supply the wiring to connect the UPS to the local power source see Section 2, chapter 1.1.
The electrical installation procedure is described in the following text. 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!
WARNING!
To ensure correct operation of the UPS and its ancillary equipment it is necessary to provide the mains cables with
appropriate fuse protection. See
The UPS unit has the following power connections:
Rectifier (In) :
earth (PE)
Bypass (In) :
earth (PE)
Load (Out) :
earth (PE)
External Battery :
!
NOTE!
THE INSTRUCTION IN THIS USER MANUAL HAVE ALWAYS TO BE FOLLOWED
IN ORDER TO AVOID INJURIES FROM ELECTRICAL IMPACTS.
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
PHYSICAL INJURY OR DEATH MAY FOLLOW, OR DAMAGE MAY OCCUR TO
THE UPS, OR THE LOAD EQUIPMENT IF THESE INSTRUCTIONS ARE
IGNORED.
Section 2, chapter 2.1.3
INPUT NEUTRAL IS REQUIRED TO OPERATE THE RECTIFIER.
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.
04-3004_S1_OPM_ABB_POWERSCALE_10-50kVA_EN_150113.doc
Printed in Switzerland – Modifications reserved
Three-phase (1L1, 1L2, 1L3), Neutral (1N) and protective
connection for the rectifier input
Three-phase (2L1, 2L2, 2L3), Neutral (2N) and protective
connection for the bypass if used as Dual Feed input
Three-phase (3L1, 3L2, 3L3), Neutral (3N) and protective
connection for the load output
Plus (+), Common (N), Minus (-) and protective earth (PE)
connection for the external batteries
UPS
Section-1
0V 230V
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