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3-5-2. Turn on the UPS without utility power supply (to Battery mode)
1) Make sure the battery is connected and that the battery pack breaker is in the "ON" position.
2) Press the "ON/ENTER" button to start up the internal power. The UPS will enter into Bypass mode without
output.
3) With the LCD on the home page, press the "ON/ENTER" button. The LCD will show a prompt page of
"Turn On". Move the arrow to "Yes" using the up or down button and then press "ON/ENTER". The UPS
will start up and beep once. You could also enter the "control menu" to select the instruction "Turn On" to
startup the UPS. Please refer to the section "LCD operation".
4) A few seconds later the UPS will enter into Battery mode and "Battery mode" will be displayed on the
LCD.
NOTE: In battery mode the UPS will shut down automatically once the battery is depleted. If the utility
power is restored the UPS will auto restart to Line mode.
3-5-3. Connect devices to the UPS
After the UPS is turned on devices (load) can now be connected to the UPS.
1) Turn on the UPS and then switch on the load devices one by one. The LCD panel will display the total
load level.
2) At start up an inductive load can consume a large amount of power. If inductive loads, such as a printer,
need to be connected, the inrush current should be calculated to ensure the capacity of the UPS is not
exceeded.
3) If the UPS is overloaded the buzzer will beep twice every second.
4) When the UPS is overloaded shed some load immediately. For system safety, it is recommended that the
total load connected to the UPS not exceed 80% of its nominal power capacity.
5) When the UPS is in Line mode, and the overload time exceeds the duration listed in the specification, the
UPS will automatically transfer to Bypass mode. After the overload is removed the UPS will return to
Line mode.
When the UPS is in battery mode, and the overload time exceeds the duration listed in the specification,
the UPS will enter a fault status. At this time, if the bypass is enabled, the UPS will supply power to
the load via bypass. If the bypass function is disabled, or the input power is not within the bypass accept-
able range, the UPS will cutoff power to the load.
3-5-4. Charge the batteries
1) After the UPS is connected to the utility power the charger will automatically charge the batteries except
when the UPS is in Battery mode or during a battery test.
2) It is recommended to charge the batteries for at least 10 hours before use otherwise the backup time may be
shorter than expected.
3) Make sure that the battery numbers setting on the control board (Please refer to the section on changing
battery quantity) is consistent with the actual number of batteries connected.
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User Manual
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