INFOSEC UPS SYSTEM – 4 rue de la Rigotière – 44700 Orvault – France – www.infosec-ups.com
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
3-3. Audible Alarm
Beeping once every 2 minutes
Beeping once every 4 seconds
Beeping twice every second
Beeping once every second
Fan failure/Over temperature
Overload 3 times in 30min
Cover of the maintain switch is open
Inverter soft start failure
Inverter output short-circuited
Battery SCR short-circuited
3-4. Single UPS Operation
1. Switch on the UPS with utility power supply (in AC mode)
1) Set the input breaker to the “ON” position. The fan is now running and the UPS supplies power to
the loads via the bypass. The UPS is operating in Bypass mode.
NOTE 1: When the UPS is in Bypass mode, the output voltage will be directly supplied by the utility
power after you switch on the input breaker. In Bypass mode, the load is not protected by the UPS.
To protect your valuable devices, you should switch on the UPS. Refer to next step.
2) Press and hold the “ON” button for 1s to switch on the UPS and the buzzer will beep once.
3) A few seconds later, the UPS will switch to AC mode (LED “LINE”). If the utility power is unusual,
the UPS will operate in Battery mode without interruption.
NOTE: When the UPS is running out battery, it will shut down automatically at Battery mode. When the
utility power is restored, the UPS will auto restart in AC mode.
2. Switch on the UPS without the utility power supply (in Battery mode)
1) Press and hold the “ON” button for 1s to switch on the UPS, and the buzzer will beep once.
2) A few seconds later, the UPS will run in Battery mode (LED “BATTERY”).
3. Connect devices to UPS
After the UPS is switched on, you can connect devices to the UPS.
1) Switch on the UPS first and then switch on the devices one by one, the LCD panel will display the
total load level.