B400R 1-3kVA User Manual
17
(3) EPO Connection:
The User can select the polarity of the EPO, the EPO is normally close by default settings.
NO
The EPO connector is normally open on the rear panel. Once the connector is closed with a wire, the
UPS will stop the output until the EPO status is disabled.
NC
The EPO connector is normally closed with a wire on the rear panel. Once the connector is open, the
UPS will stop the output until the EPO status is disabled.
4.3 Battery charge
Fully charge the batteries of the UPS system by leaving the UPS system connected to the mains for
approximately 1-2 hours. The UPS system can be used directly without charging the batteries but
the stored energy time may be shorter than the nominal value specified.
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