Chapter 8 Operation
4 5
8.3 Operation
Mode
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Standby Mode
After the UPS is connected to the utility AC power, it will supply power to the
UPS and the batteries will be charged.
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Online Mode
In on-line mode, the connected loads are supplied by the inverter, which derives
its power from the utility AC power, and the UPS charges the batteries and
provides power protection to its connected loads.
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Bypass Mode
In bypass mode, the critical loads are directly supplied by the utility AC power
and the batteries are charged. The default setting of the UPS is set in
BYPASS
mode.
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Battery Mode
When the UPS is operating during a power outage, the batteries provide DC
power, which maintains inverter operation to supply power to the critical loads.
You can install the UPSentry 2012 software (please download from http://www.
deltapowersolutions.com/en/mcis/software-center.php) or install the Mini SNMP
IPv6 card (optional) or the Mini MODBUS card (optional) to monitor and estimate
the battery remaining capacity. For more information about the Mini SNMP IPv6
card (optional) or the Mini MODBUS card (optional), please refer to its user
manual.
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ECO Mode
In ECO mode, when the utility input voltage and frequency are within the range
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utility AC power; if out of the range, the loads are supplied by the inverter.
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Frequency Conversion Mode
In Frequency Conversion mode, the UPS output frequency is manually set up.
The system will disable the bypass function and there is no bypass output.
