ENGLISH
UPS EVO DSP PLUS
11
User’s manual
8
Functioning
8.1
Turning ON and OFF
Let’s see carefully the consequences of the pressure of
ON/OFF
buttons.
The UPS is in Stand-by mode (the Inverter is OFF);
if the
ON/OFF
button is pressed, after few seconds the Inverter
starts and the UPS switches in Normal mode.
The UPS is in Normal mode
(the Inverter is ON);
if the
ON/OFF
button is pressed, the Inverter turns OFF and the
UPS switches in Stand-by mode.
To turn completely OFF the UPS please do the following steps:
Put the UPS in Stand-by mode by pressing the ON/OFF button
Disconnect the AC Input Voltage for the UPS.
The Led panel is OFF only when the UPS is completely OFF.
If UPS is used daily, it is recommended to leave the UPS connected to the AC Input line and use the
ON/OFF
buttons on the front panel to activate/deactivate the Inverter.
If the UPS has to be turn OFF completely for several days, it is recommended to disconnect the AC Input line for
the UPS and then press the
ON/OFF
button.
If the
ON/OFF
button is pressed when AC Input line is not present, the UPS switches ON even, and works in Battery
mode after some seconds.
If the
OFF
button is pressed when AC Input line is not present, then the Inverter switches OFF and consequently
there will be no Output power.
8.2
Low Battery and Automatic Restart
The UPS reaches the
Low
Battery
condition
whenever, during working in Battery mode, the batteries reach a
charge level allowing the connected devices to operate for few minutes more.
The UPS warns operators of
Low
Battery
by lighting of the
LOW BATT.
led on led panel and by emitting an
acoustic signal every second.
If AC Input does not come back on within few minutes, the UPS
shuts-down automatically
thus preventing the
batteries from discharging excessively; the UPS stops supplying Output power, deactivates control panel indication
and goes to a waiting state. Once AC Input comes back on, the UPS
restarts automatically
and after 4 seconds it
goes back to work in Normal mode.
After a complete discharge, the UPS needs 4 hours to recharge completely the batteries. The UPS recharges
batteries automatically if it works in Normal mode, in Bypass mode or in Stand-By mode.
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