Orion Network Pro RTX2 User Manual page 23

Buck mode
when AC is
normal.
Boost mode
when AC is
normal.
Battery mode
Standby mode
When the input voltage is higher than
the voltage regulation range but lower
than high loss point, the buck AVR will
be activated.
When the input voltage is lower than
the voltage regulation range but higher
than low loss point, the boost AVR will
be activated.
When the input voltage is beyond the
acceptable range or power failure and
alarm is sounding every 10 seconds,
UPS will backup power from battery.
UPS is powered off and no output
supply power, but still can charge
batteries.
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