Digitus DN-170041 - Operating Mode Description

16
3-6. Operating Mode Description
Operating
mode
Description
LCD display
Online mode When the input voltage is within
acceptable range, UPS will provide pure
and stable AC power to output. The UPS
will also charge the battery at online
mode.
ECO mode
(Efficiency
Corrective
Optimizer)
When the input voltage is within setting
range (±3%Vo max), UPS will bypass
voltage to output for energy saving. PFC
and INVERTER are still active at this
mode.
AECO mode
(Advanced
Efficiency
Corrective
Optimizer)
When the input voltage is within setting
range (±3%Vo max), UPS will bypass
voltage to output for energy saving. PFC
and INVERTER are off at this mode.
Frequency
Converter mode
（Rack）
When input frequency is within 40 Hz to
70 Hz, the UPS can be set at a constant
output frequency, 50 Hz or 60 Hz. The
UPS will still charge battery under this
mode.
Battery mode When the input voltage is beyond the
acceptable range or power failure and
alarm is sounding every 4 second, UPS
will backup power from battery.
Bypass mode When input voltage is within acceptable
range but UPS is overload, UPS will
enter bypass mode or bypass mode can
be set by front panel. Alarm is sounding
every 10 second.