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28
Battery information
Indicates the battery capacity by 0-25%, 26-50%, 51-75% and 76-100%.
Indicates the battery is not connected.
Indicates low battery level and low battery voltage.
Input & Battery voltage information
Indicates the input voltage, frequency or battery voltage.
VAC: Input Voltage, VDC: Battery Voltage, Hz: Input Frequency
4.3 Audible Alarm
Description Alarm Status Mutable
UPS Status
Bypass Mode Beeps once every 2 minutes
YesBattery Mode Beeps once every 4 seconds.
Fault Mode Beeps continuously.
Warning
Overload Beeps twice per second.
No
All other warnings Beeps once per second.
Fault
All Beeps continuously. Yes
4.4 Single UPS Operation
4.4.1 Turning On the UPS (On-line Mode)
1) Make sure the power supply is correctly connected. If you have an external battery pack, set the breaker of the battery pack to the
“ON” position, then switch the UPS input breaker to the “ON” position. At this time, the fan will be running and the UPS will proceed to
power-on for initialization. Several seconds later, the UPS will operate in Bypass Mode and supply power to the connected loads via the
bypass.
Note: In Bypass Mode, the load is not protected by the UPS. To protect connected devices, turn on the UPS as shown in Step 2.
2) Press and hold the “ON” button for 0.5 seconds to turn on the UPS. The alarm will beep once.
3) A few seconds later, the UPS will enter On-line Mode. If utility power is abnormal, the UPS will operate in Battery Mode without
interruption.
Note: When the UPS is running low on battery power, it will automatically shut down in Battery Mode. The UPS will auto restart in On-line Mode once
utility power is restored.
4.4.2 Turning On the UPS without Utility Power (Battery Mode)
1) When using an external battery pack, make sure the two battery strings are correctly connected before switching the battery pack
breaker to the “ON” position.
2) Switch the battery pack breaker to the “ON” position.
3) Press the “ON” button to set up the power supply for the UPS. The UPS will enter Power-on Mode. After initialization, the UPS will enter
“No Output Mode”/Standby Mode. When this happens, press and hold the “ON” button for 0.5 seconds to turn on the UPS. The alarm
will beep once.
4) A few seconds later, the UPS will turn on and enter Battery Mode.
4. Operation
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