Chapter 4 Operations
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HSTP3T 15/20KE-C/KEBC-C User Manual
FUNCTION
END
BACK
Manual INV
ManualByp/Esc
Fault Clear
Stop Test
Batt. Test
Maint Test
Fig.4.3 Battery maintenance
4.4 EPO
The EPO button located in the operator control and display panel (with cover to avoid
disoperation, see Fig.4-5) 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 .4-5 EPO Button
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