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5.5 Test function:
The UPS can perform a self-test including checking the battery
status by pressing the On-Switch “I” for more than 1 second.
5.6 Turn off the UPS:
(1) In Inverter Mode:
Press and hold the “ “ button, this will switch the UPS to bypass
mode. If mains voltage is not available the UPS will automatically
shutdown. If mains power is available disconnect the cable.
(2) In Battery Mode:
Press and hold the “ “ button to turn off the UPS, the UPS will then
shutdown.
5.7 Audible alarm mute function:
The audible alarm can be silenced while the UPS is in battery mode
by pressing and holding the “I” button. The alarm will be enabled
when the battery charge is at low level to alert imminent shutdown of
the UPS
The audible alarm can be silenced while the UPS is in bypass mode
by pressing and holding the “ “button. The action doesn’t affect the
warning and fault alarm.
5.8 Operation procedure of external battery for long backup
time model (“C” model)
(1) Use the battery pack with voltage: 36VDC for B400-010-C (3 pcs
of 12V batteries), 96VDC for B400-020-C / B400-030-C (8 pcs of
12V batteries). Connection of batteries with a different string
voltage will cause permanent damage to the batteries and UPS.
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