LEGRAND KEOR HP 400kVA Installation Et Démarrage page 39

Installation and start-up of UPS Keor Hp 400-800kVA
Installation et démarrage de l'UPS Keor Hp 400-800 kVA
Installazione e avviamento UPS Keor Hp 400-800kVA
4.3 CONNECTION OF POWER CABLES
For the electric connection of UPS KEOR HP, connect the following cables:
 DC supply from the battery;
 AC supply from the rectifier and bypass supply mains;
 AC output to the loads.
Injury hazard due to electric shock!
Very high voltages are present at the ends of the cables coming from the battery:
 Isolate the battery via DC circuit breakers before connecting it to the UPS;
 Connect the ground cable to the relevant bar before carrying out any other
connection inside the device.
Risk of damages to the device due to insufficient insulation
 The cables must be protected from short-circuits and leakage currents to earth;
 The connection points must be hermetically sealed to prevent the air from
being sucked through the cable passage.
Risk of damages to the device due to incorrect wiring
To connect the device, follow the electrical drawing scrupulously and respect the
polarity of cables.
OMD39075 REV. F 39