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Installation Option #2 for Freedom 10, 15, 20, 25, and 30
The inverter is used in Single Input / Single Output mode. The AC loads are split be-
tween main loads and ‘inverter loads’. The external sources of AC power can be a single
30 Amp shorepower source or a 30 Amp breaker from a panel fed by a 50 Amp 120 Volt
single phase (3 wire) shorepower source, 1 leg of a 50 Amp 120/240 split phase (4 wire)
shorepower source, or a generator. The charger shares power with the ‘inverter loads’
only.
In this installation example, one single-phase shorepower source is available or only one leg of a
split-phase source is used to supply the AC input of the inverter/charger. It is highly
recommended that only the lighter appliance and outlet circuits be connected to the Inverter AC
Panel. These loads are supplied power through the inverter in charge/transfer mode, or by the
inverter in invert mode. The charger shares power with the ‘inverter loads’ only and can transfer
up to 30 Amps. The heavier loads such as space heaters, stove, water heater, air conditioners,
AC to DC converters, or other battery chargers, should remain connected to the Main AC Panel.
These loads are only supplied by shore or generator power from the main panel. This split load
approach will help avoid problems such as overloading the inverter or rapidly discharging the
battery bank, and eliminate the need to manually manage the energy usage of these loads when
using inverter power.
The inverter AC input must be supplied power from a 30 Amp breaker in the main panel and from
the main neutral bus. The inverter’s AC output supplies a separate sub panel. The appliance
and outlet loads are then supplied with power from the inverter hot and neutral bus in the sub
panel. When installing a Freedom 20 D/D, 25 D/D or 30 D/D model, AC Input #2 and AC Output
#2 are not used and must be capped off.
If a generator is installed in the system, a break-before-make AC transfer switch is used to
select between shore or generator power. The transfer switch AC output is then routed to the
Main AC Panel.