LEGRAND BSK93, Operating Manual

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Installation and start-up of KEOR HPE UPS 400-500 kVA
Installation et démarrage de l’ASI KEOR HPE 400-500 kVA
Installazione e avviamento KEOR HPE UPS 400-500 kVA
16 OMT87187 REV. A
Do not modify the device
Do not modify the device in any way: this may result in damage to the equipment
itself as well as to objects and persons. Maintenance and repair must be carried out
by authorized personnel only. Contact the manufacturer for details of the nearest
service centre.
2.3.5 Electrical connection
The UPS connection to the AC power must be carried out in compliance with the current regulations.
Make sure the indications specified on the identification plate correspond to the AC power system
and to the actual electrical consumption of all of the equipment connected.
Check the conformity to the Standards
The UPS must be installed in compliance with the standards in force in the country of
installation.
IT system
The UPS is also designed to be connected to an IT power distribution system.
All the electrical connections must be carried out by authorized personnel. Before connecting the
device make sure that:
 the connection cable to the AC line is properly protected;
 the nominal voltages, the frequency and the phase rotation of the AC supply are
respected;
 the polarities of the DC cables coming from the battery have been checked;
 no leakage current to earth is present.
The device is connected to the following voltage supplies:
 DC battery voltage;
 AC mains voltage;
 AC bypass voltage.