UDD-SD-116/
Release Date: 31.12.2014/Rev No: 1/Rev.
Date
: 27.04.2015
35
NOTE
When UPS is working in bypass mode, it has no back up function.
5.2 Line Mode
LED indications on front panel in line mode or CUCF mode are as following: The inverter green
LED is on.
When input AC mains correspond to the working conditions, UPS will work in line mode.
5.3 Battery Mode
LED indications on front panel in battery mode are as following: both the inverter green LED and
battery yellow LED is on, the buzzer beeps once every 4 seconds. The warning red LED will be
on while beeping.
When the mains power is low or unstable, UPS will turn to battery mode at once.
5.4 ECO Mode
LED indications on front panel in ECO mode are as following: both the inverter green LED and
bypass yellow LED are on.
When the input mains meets the input range of the ECO mode and the ECO function is on, the
UPS will works in ECO mode. If input AC mains exceed the range of ECO several times within one
minute but stays in inverter input range, UPS will work in AC inverting mode automatically.
Note: On ECO mode, when the UPS switches to Inverter mode (including Line mode and BAT
mode) from ECO mode, 15ms interrupt probably be happened.