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AC Output Neutral Bonding
The AC source must have its neutral conductor bonded to ground.
Bonding system The RS3000 provides a system that automatically connects the neutral conductor
of the inverter’s AC output circuit to safety ground (“bonding” it) while the
inverter/charger is inverting, and disconnects it (“unbonding” it) when the
inverter/charger is connected to external AC power. This system is designed to
conform to installation codes that require AC sources such as inverters and
generators to have their neutral conductors tied to ground at the source of power in
the same way that the neutral conductor from the utility is tied to ground. These
same codes specify that the neutral can only be connected to ground in one place
at any one time.
Suitability This automatic neutral-to-ground bonding system requires AC input sources with
bonded neutral. This will be the case in most situations: in a utility feed, at an
external AC hook-up, or a generator with a bonded neutral. If not, have an
electrician look into bonding the source’s neutral to ground. See also “AC Input
and Output Isolation” on page 21.