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The UPS is a double-conversion on-line UPS that may operate in the following alternative
modes:
◆Normal mode
The rectifier/charger derives power from the AC Mains and supplies DC power to the inverter
while floating and boosting charge the battery simultaneously. Then, the inverter converts the DC
power to AC and supplies to the load.
◆Battery mode (Stored Energy Mode)
If the AC mains input power fails, the inverter, which obtains power from the battery, supplies the
critical AC load. There is no power interruption to the critical load. The UPS will automatically return to
Normal Mode when AC recovers.
◆Bypass mode
If the inverter is out of order, or if overload occurs, the static transfer switch will be activated to
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