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GENERATOR AC CONNECTION
SYSTEM
A single-phase, three-wire AC connection
system is used on the home generator. The
stator assembly consists of a pair of stationary
windings with two leads brought out of each
winding. The junction of leads T2 and T3 forms
the neutral lead, as shown schematically and as
wiring diagram below. A complete schematic and
wiring diagram can be found later in this manual.
NOTE: Neutral is not bonded to ground at
generator.
Grounding the Generator
Ground the home generator per applicable
codes, standards and regulations. There are two
generator Ground lug locations. The one inside
the alternator junction box next to the circuit
breaker is the primary lug and should meet most
applications. The second Ground lug is located
on the frame below the generator circuit breaker
cover, and should ONLY be used for a ground
rod located at the generator, if required by local
codes. See Controls for location.
Utility Circuit Connection
“240V Utility” leads must be routed in conduit.
The “240V Utility” leads deliver power to the
generator’s circuit board and water heater. This
power also charges the battery. When power on
these leads is lost, the generator will start.
Fault Detection System
The generator may have to run for long periods
of time with no operator present. For that reason,
the system is equipped with sensors that
automatically shut down the generator in the
event of potentially damaging conditions, such
as low oil pressure, high water temperature, over
speed, and other conditions. Refer to Fault
Detection System for more detailed information.
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