CERTIFICATE AND
CONDITIONS OF WARRANTY
SECTION 1
Q
5
2 GENERAL DESCRIPTION
UPS-ENTERPRISE: sure power supply for servers, graphics stations and network devices.
The main purpose of the UPS is to protect sensitive and critical equipment items from the electrical disturbances
that can compromise operation. Black-outs, brown-outs, variations of voltage and frequency, lightning,
electrostatic discharges and rapid overvoltages are phenomena found in all office and industrial environments
and which cause hardware damage and data losses.
2.1 OPERATION
UPS-ENTERPRISE is based on the on-line, double conversion, VFI (Voltage and Frequency Independent)
technology to guarantee the highest level of electrical protection. With this principle of operation, the voltage and
the frequency at the input of the UPS are completely regenerated via a first AC/DC conversion followed by a
DC/AC conversion in order to provide the consumer a stable waveform that is exempt of noise or distortions, and
therefore completely independent of the input mains. In this double conversion process, the UPS also becomes
a filter element in relation to the electrical network thus preventing the distorting absorption (typical of IT users)
from being reflected on the power supply line.
In the event of a black-out, UPS-ENTERPRISE provides for generation of the output voltage without any
disturbance, even transient, drawing the power from the internal batteries. During normal operation with the
mains line present, UPS-ENTERPRISE recharges the batteries fully automatically and independently.
2.1.1 Wiring diagram
Key
1 Battery-charger
2 Rectifier (AC/DC)
3 Batteries for standard back-up
4 Inverter (DC/AC)
5 Automatic internal by-pass
6 Mains input
7 Power output for consumer lines
8 UPS
9 Back-up expansion unit
10 Batteries for back-up extensions (optional)
6
5
4
2
1
3
10
7
8 9
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