20
Then LCD will show the default UPS status summary screen after UPS finishing
self-test.
3) By pressing button continuously for more than 1 second
ˈ
the buzzer will
beep for 1s, UPS starts to turn on.
4) A few seconds later, the UPS turns into Battery mode. If the mains power comes
back, the UPS will transfer to Line mode without output interruption of the UPS.
Turning off UPS with mains
˖
˖
1) To turn off the inverter of UPS by pressing button continuously for more
than 3s and the buzzer will beep for 3s. The UPS will turn into Bypass mode at
once.
2) When completing the above action, UPS output voltage is still present. In order to
cut off the UPS output, simply cut off the mains power supply. A few seconds
later, LCD display shuts down and no output voltage is available from the UPS
output terminal.
Turning off UPS without mains
˖
1) To power off the UPS by pressing button continuously for more than 3s, and
the buzzer will beep 3s. The UPS will cut off the output at once.
2) A few seconds later, LCD shuts down and no voltage is available from the UPS
output.
5.3. LCD Operation
Except the default UPS status summary screen, the user could get more useful
information about UPS current status, old events which ever occurred, UPS own
identification, and could change the settings to fit the user own requirements,
optimize the function of UPS.
The status screen
˖
In the UPS status screen, when pressing or >200ms the detailed
information about UPS information that include alarm, fault output, input, bypass, load
and battery parameter would be shown. See Fig.5-2.
when pressing > 200ms the main menu would be shown. In fault or alarm
screen, when pressing > 200ms, the other alarm or fault would be shown by
pressing
or >200ms, and press >200ms the display would return to status
screen. The main menu includes four branches: UPS control menu, setting menu,
