Wärtsilä JOVYSTAR COMPACT M
BAX 5480
- 13 -
7.2.5 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.
Injury hazard due to electric shock!
The device is subject to high voltages, thus all safety instructions must be scrupulously
adhered to before performing any operation on the UPS:
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.
Injury hazard due to electric shock!
If primary power isolators are installed in an area other than the UPS one, you must stick the
following warning label on the UPS. “ISOLATE THE UNINTERRUPTIBLE POWER SUPPLY
(UPS) BEFORE WORKING ON THIS CIRCUIT”
