17
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.
