FranklinWH System User Manual
13
Operating Modes
The FranklinWH system supports several operating modes, including Emergency Backup,
Self-Consumption, and Time of Use.
Emergency Backup Mode
When the FranklinWH system operating mode is set to the Emergency Backup, the
FranklinWH system will prioritize charging the aPower battery to 100 % State of Charge
(SOC) from solar and the utility grid.
In the event of a grid failure, the aPower battery will automatically power the household
loads. As soon as the grid is restored, the system will automatically return to charging the
aPower battery.
Self-Consumption Mode
When the FranklinWH system operating mode is set to the Self-Consumption, the
FranklinWH system stores the excess electricity generated by the solar system after
powering for the household loads in real-time. If the solar production is insufficient to
power all the household loads, the FranklinWH system will discharge as a supportive
power source, thus reducing the amount of electricity imported from the grid.
If the SOC value of the backup reserve is set 100 %, the FranklinWH system will start
charging to full power (aPower battery actual SOC value = 100 %) from solar and does not
discharge. In the event of a grid failure, the FranklinWH system will power the household
loads.
Time of Use Mode
If the electricity rate in the homeowner’s area changes throughout the day, based on
demand, the homeowner can select the Time of Use mode to customize the on-peak and
off-peak times according to the electricity rate. The FranklinWH system will select solar
and aPower battery power during peak rate periods. During the off-peak periods, the
system will use power from the grid, the PV system, and the batteries in balance according
to household loads.
If the SOC value of the backup reserve is set 100 %, the FranklinWH system will start
charging to full power (aPower battery actual SOC value = 100 %) from solar on off-peak
period and does not discharge. In the event of a grid failure, the FranklinWH system will
power the household loads.
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