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Operation
continued
During normal operation, the first line of your LCD Display shows which operating mode your UPS is in: Online, Economy, On Battery,
or Bypass.
Online mode: The UPS provides AC power while utility power is available and switches to On Battery mode instantly (zero transfer time)
if AC power is interrupted.
Economy mode: The UPS provides AC power at high efficiency while utility power is available and switches to On Battery mode quickly
if AC power is interrupted.
On Battery mode: The UPS provides AC power from battery backup so long as battery power lasts. It switches back to Online or Economy
mode if utility power is available and shuts down if it runs out of battery power.
Bypass mode: The UPS provides AC power while utility power is available. The UPS shuts down if AC power is interrupted.
The second line of the LCD Display shows basic power conditions. Push the SCROLL buttons to browse through these basic power conditions
in the sequence shown below.
XXXX MODE
LOAD = XXX% X.XXKW
XXXX MODE
IN = XXXV XX.X Hz
XXXX MODE
OUT = XXXV XX.X Hz
XXXX MODE
BATTERY = XXXVDC
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When in the On Battery mode, the UPS power module will beep to inform you that it is using battery power to support connected equipment.
If its connected batteries are at more than half capacity, it will beep every two seconds. If its connected batteries are below half capacity, it
will beep twice a second. If its connected batteries are nearly depleted, the UPS power module will beep continuously.
To silence the On Battery Alarm, press the “ON/MUTE” button.
When the UPS detects an output overload, its LCD will switch to the following display:
The UPS will then begin a countdown. If the UPS is still overloaded at the end of the countdown, the UPS will automatically go to Bypass
Mode to protect its inverter. The duration of the countdown varies with the severity of the overload, as follows:
OVERLOAD!
LOAD = XXX% X.XXKW
Overload Condition Countdown Duration
102% - 125% 1 minute
125% - 150% 30 seconds
>150% Immediate
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Normal Operation
On Battery Alarm
Overload Messages