User manual

12
Step 4:
Press the “Up“ button (ON/MUTE) again to switch to "03" of
program list. Then press “Enter“ button for setting programmable
outlet time. Push “Up” button to change the value of backup time
according your demand. Then press “Enter” to confirm the setting.
Step 5:
Press “Up“ button (ON/MUTE) to switch to "00" of program list. Then press “Enter” button to
exit setting menu.
Step 6:
Disconnect AC input and wait until the LCD display is off. The new setting will be activated
when turning on the UPS again.
3-6. Operating Mode Description
Operating mode Description LCD display
ECO mode When the input voltage is within voltage
regulated range, UPS will power the output
directly from the mains. ECO is an
abbreviation of Efficiency Corrective
Optimizer. In this mode, when battery is
fully charged, the fan will stop working for
energy saving.
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.
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.
Battery mode When the input voltage is beyond the
acceptable range or power failure and alarm
is sounding every 4 seconds, UPS will
backup power from battery.