INFOSEC UPS SYSTEM E4 VALUE 4000 Manuel Utilisateur page 46

2) If it is necessary to connect inductive loads such as a printer, the in-rush current should be
calculated carefully to see if it meets the capacity of the UPS, as the power consumption of this
kind of load may be too big.
3) If the UPS is in overload, the buzzer will beep twice every second.
4) If the UPS is in overload, please remove some loads immediately. It is recommended to have the
total loads connected to the UPS totaling less than 80% of its nominal power capacity to prevent
overloads for system safety.
5) If the overload time is over the acceptable time listed in the specs in AC mode, the UPS will
automatically switch to Bypass mode. After the overload is removed, it will return to AC mode. If
the overload occurs 3 times in half hour, the UPS will be locked in Bypass mode. UPS can transfer to
Line mode only by manual restart. At this time, if bypass is enabled, the UPS will power to the load
via bypass. If bypass function is disabled or the input power is not within bypass acceptable range,
it will cut off output directly.
4. Charge the batteries
1) Once the UPS has been connected to the utility power, the charger will charge the batteries
automatically except in Battery mode or during the battery self-test.
2) Charging batteries for at least 10 hours before use is recommended. Otherwise, the backup time
may be shorter than expected.
5. Battery mode operation
1) When the UPS is in Battery mode, the buzzer will beep according to different battery capacites. If
the battery capacity is more than
voltage drops to the alarm level, the buzzer will beep quickly (once every sec) to remind users that
the battery is at a low level and that the UPS is about to automatically shut down. Users can switch
off some non-critical loads to disable the shutdown alarm and prolong the backup time (the UPS
would cut off the programmable output terminal automatically when the programmable timer
function is enabled). If there is no more load to be switched off, you have to shut down all loads as
soon as possible to protect the devices from load failure and/or data loss.
2) In Battery mode, users can press the Mute button to disable the buzzing sound.
3) The backup time may vary with different environment temperatures and load types.
4) When setting backup time for 16.5 hours (default value from LCD panel), after discharging 16.5
hours, UPS will shut down automatically to protect the battery. This battery discharge protection
can be enabled or disabled using the LCD panel control. (Refer to 3-6-9 LCD setting section)
6. Turn off the UPS during normal mode
1) Turn off the UPS inverter by pressing the "OFF" button for at least 1s. The buzzer will beep once
and the UPS will switch to Bypass mode.
NOTE 1: If the UPS has been set in Bypass mode, the utility power is transmitted to the output
terminal even though the UPS is switched off (inverter).
NOTE 2: After turning off the UPS, please be aware that the UPS is working in Bypass mode and
that connected devices are only supplied in case of power supply.
2) In Bypass mode, output voltage from the UPS is still present. In order to cut off the output, switch
off the input breaker. A few seconds later, there is no display shown on the display panel and UPS
is completely off.
INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
45
Hot Line Tel : +33 (0)2 40 76 15 82 – fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 03 16 AA 59 203 26
25%, the buzzer will beep once every 4 seconds; If the battery