Twin Ac Inputs - TBB Energier Pro Series User Manual

2.17 Twin AC inputs

Energier Pro has internal or external TAI for systems with two AC inputs (Grid and Diesel Generator). TAI function can help the system to
connect Grid and Diesel Generator in meantime.
Upon Grid failed or abnormal, Energier pro bi-directional inverter will change to inverter and discharging battery.
Upon battery discharging to low protection alarm level, through AGS, Energier pro bi-directional inverter will send signal to start Diesel
Generator connected.
After detecting output of Diesel Generator was stable, Energier pro bi-directional inverter will pass the electricity from Diesel Generator
to load and meantime charging the battery.
— If grid resume during Diesel Generator running, Energier pro bi-directional inverter will send signal to stop the generator and bring
the Grid in. Energier pro bi-directional inverter will change to inverter mode between the switching for seamless transfer.
— If grid did not recover, Diesel Generator will keep running to charge the battery until the bulk stage finish. Then, Energier pro
bi-directional inverter will send signal to stop generator and change to inverter mode.
Notice
If unit was set GEN/On mode, Energier pro bi-directional inverter will treat two AC input resources as Generator. If unit was set at
GEN/Off mode, Energier pro bi-directional inverter will treat "Grid Input" as normal grid and treat "Gen Input" as generator.
5000-8000 VA models only support built-in TAI.
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Energier pro User Manual