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Operation
30 900-0112-01-00 Rev B
System Display-Based Functions
Advanced Generator Start (AGS)
As noted under the Gen Alert feature (see page 28), the system is capable of starting a generator.
Gen Alert simply starts and stops the generator based on battery voltage. For more advanced control,
the inverter system can use the Advanced Generator Start (AGS) feature, which runs through the
entire three-stage charging cycle. It can start according to battery voltage, inverter load, time of day,
and other criteria. It has a quiet time feature which restricts the generator from starting at
inconvenient times. Additional features are also available.
Because this is an advanced function with capabilities beyond the inverter’s Gen Alert, the control
logic for AGS is based in the system display, not the inverter. See the system display manual for more
information on programming and using the AGS mode.
High Battery Transfer (HBX)
In HBX mode, the system is connected to an AC source such as the utility grid; however, it will use
battery power as the first priority. The AC source is locked out until needed. In this mode, the system
runs on battery-supplied power for as long as the batteries can be sustained. It is expected that the
system will be supplied by renewable sources such as PV power. When the batteries become
depleted, the system reconnects to the AC source to operate the loads. The batteries may be
recharged using the renewable source. When the batteries are recharged to a high voltage, the
system transfers back to the batteries as the primary source (hence the name High Battery Transfer).
NOTE:
It is recommended to turn the inverter’s charger off. The intent of HBX mode is to use only the
renewable source for charging batteries. Renewable charging is the motivator for returning to battery
(and renewable) operation. Any use of the inverter’s charger interferes with this priority. (Conflicts
between the charger and HBX mode may also keep it from charging effectively.)
Because this is a system-wide function and not a function of individual inverters, the control logic for
HBX is based in the system display. See the system display manual for more information.
Grid Use Programming
The inverter system is capable of connecting to, or disconnecting from, the utility grid based on time
of day. It can also be programmed to connect at different times on weekdays and on weekends.
Because this is a system-wide function and not a function of individual inverters, the control logic for
Grid Use is based in the system display. See the system display manual for more information.