Delta Amplon MX Series, User Manual, Page: 31 / 40

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Chapter 3 Operation
z
z
Buck mode when AC is normal.
When the input voltage is higher
than the voltage regulation range
but lower than high loss point, the
buck AVR will be activated.
z
z
Boost mode when AC is normal.
When the input voltage is lower
than the voltage regulation range
but higher than low loss point, the
boost AVR will be activated.
z z
Battery Mode
When the input voltage is be-
yond the acceptable range
or power failure and alarm is
sounding every 10 seconds,
UPS will backup power from
battery.
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z
Standby mode
UPS is powered off and no out-
put supply power, but still can
charge batteries.
z
z
Fault mode
The UPS is powered off and
there is no output, but the bat-
teries can still be charged.