Operating Mode Description - PowerWalker VFI 1000RM LCD Manuel D'usage

3.6. Operating Mode Description

Operating mode
Online mode
EN
ECO mode
AECO mode
(Advanced
Efficiency
Corrective
Optimizer)
Frequency
Converter mode
Battery mode
Bypass mode
Standby mode
Description
When the input
acceptable range, UPS will provide pure
and stable AC power to output. The UPS
will also charge the battery at online
mode.
Energy saving mode:
When the input voltage is within voltage
regulation range, UPS
voltage to output for energy saving. The
UPS will also charge the battery at ECO
mode.
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.
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.
When the input voltage is beyond the
acceptable range or power failure, the
UPS will backup power from battery and
alarm is sounding every 5 second.
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.
UPS is powered off and no output supply
power, but still can charge batteries.
voltage is within
will bypass
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LCD display