UPS2000-G-(1 kVA-3 kVA)
User Manual
Copyright © Huawei Technologies Co., Ltd.
4.6 Operating Modes
Table 4-5 Operating mode description
When the input voltage is in the
acceptable range, the UPS works
in normal mode, supplies stable
sine wave AC output current,
while charging batteries.
When the input voltage is in the
preset range, the UPS transfers to
bypass mode to save energy.
Frequency conversion
mode
When the input frequency is in the
acceptable range, the UPS sets the
output frequency to 50 Hz or 60
Hz and, while charging batteries.
When the input voltage is
abnormal or an outage occurs, the
UPS transfers to battery mode.
The buzzer beeps once every 4
seconds. The UPS uses batteries to
supply power.
When the UPS works in online
mode and is overloaded, it will
enter the bypass mode if the input
voltage is in an acceptable range.
If the UPS is set to be enables the
bypass mode, the UPS
automatically transfers to bypass
mode after connecting to the
mains.
When the UPS works in bypass
mode, the buzzer beeps once every
10 seconds.
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