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Pag. 4 di 41
R&D – PROCEDURA START-UP DT 0419 – E02
1
UPS GENERAL INFO
1.1
UPS GENERAL DESCRIPTION
These UPS families have the compact construction, with the outer metal frame and the electronic circuits
and power components inside. All user accessible elements an the control panel are placed on the front
side.
The top and side covers can be removed, giving an access to the internal part of the UPS for the service or
maintenance purposes.
The front side of all units contains the user interface panel useful for monitoring, maintenance and control.
The UPS has a air forced cooling system, the air is going out to the back side of the cabinet.
The terminal block for the electrical connection to the mains, reserve, load, external batteries, and the main
circuits breakers, are located on the front side of the unit.
1.1.1
UPS APPLICATIONS
The new UPS family was designed to provide stabilized and filtered power, especially for supplying
sophisticated and sensitive electronic devices (i.e. for data processing systems). Vela UPSes can be used
to supply electronic systems of medical centers, police stations, motorway tunnels, broadcasting stations,
banks, technical and administrative offices, requiring the power source free from voltage and frequency
variations.
1.1.2
POWER AND AUTONOMY
Thanks to its modular design, the UPS models are available with rated power from 50kVA to 65kVA
For all the size of the family are not available the internal battery, an or more external battery modules can
be used to increase the UPS autonomy.
1.1.3
SAFETY AND SIMPLICITY OF USE
All the UPS elements available for user daily maintenance are insulated and disconnected from hazardous
voltages.
Control of the overload and excessive temperatures guarantees the immediate and most suitable
intervention in the case when one of these conditions occurs during operation
.
The operator can view the UPS status on the front panel and perform shut down or switching operations
easily
(see chap. 3)
The unit is provided with the E.P.O. (Emergency Power Off). This function is activated by pressing the
button located on the front panel.
A remote E.P.O (optional) switch can be connected to UPS to provide remote emergency power off action.
The UPS state can be easily monitored with the personal computer and an interacting program (optional) or
through the remote panel (optional), especially when the UPS is installed in unmonitored areas. Refer to
the chapters 1.2.5 - 1.2.6.