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4.4 EPO
The EPO button located in the operator control and display panel (with cover to avoid disoperation,
see Fig.4-9) is designed to switch off the UPS in emergency conditions (e.g., fire, flood, etc.).To
achieve this, just press the EPO button, and the system will turn off the rectifier, inverter and stop
powering the load immediately (including the inverter and bypass output), and the battery stops
charging or discharging.
If the input utility is present, the UPS control circuit will remain active; however, the output will be
turned off. To completely isolate the UPS, users need to open the external mains input supply to
the UPS
Warning
When the EPO is triggered, the load is not powered by the UPS. Be careful to use the EPO function.
Fig .4-9 EPO Button
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