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⚫ Line mode
Line mode means that the mains input is rectified/converted by the
AC/DC section and then inverted to stable output by DC/AC section.
In line mode, the output is clean and good to the loads. If the mains
get abnormal, the UPS will transfer to battery mode without interrupt.
The LCD display in Line mode is shown in the following diagram. The
information about the utility power, the battery level, the UPS output and
the load level could be displayed. The “LINE” string indicates the UPS is
working in Line mode.
■ The Line mode
⚫ Battery mode
Battery mode means that the battery power goes through the DC/DC
section to the inverter (DC/AC) and get a stable backup output when
the mains input is not usable. If the mains input recovered, the UPS
will transfer to line mode without interrupt.
The LCD display in battery mode is shown in the following diagram. The
information about the utility power, the battery level, the UPS output and
the load level could be displayed. The “bATT” string indicates the UPS
is working in the battery mode.
When the UPS is running in battery mode, the buzzer beeps once every
4 seconds. If the “ON” button on the front panel is pressed for more than
1 second again, the buzzer will stop beeping (in silence mode). Press
the “ON” button once again for more than 1 second to resume the alarm
function.
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