Ac Wiring; Neutral To Safety Ground Bonding; Ac Wiring Connections; Table 3, Wire Color To Ac Wire Connection - Magnum Energy MM Series Installation And Operation Manual

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AC Wiring

This section describes the required AC wire size and overcurrent
protection needed if you have the "hardwire" versions. It also provides
information on how to make the AC connections.
Warning: All wiring should be performed by a qualified
person or a licensed electrician following all local/NEC codes.

Neutral to Safety Ground Bonding

The NEC (National Electric Code) provides the standards for safely
wiring Mobile (RV, Boat or Truck) and AE (Houses, Cabin, or Office)
installations in the United States. This wiring standard requires the AC
source, such as the utility feed in your home, an inverter or a genera-
tor, to have the neutral conductor tied to ground. These standards also
require that the AC neutral be connected to safety ground (often called
a "bond") in only one place at any time.
The fundamental difference between using an inverter in a Mobile
application or in a AE application is how the neutral is grounded in the
AC system.
In AE installations, the neutrals are connected together and are
always connected to safety ground at the main AC panel, never at
the inverter. However, in Mobile installations, there may be multiple
AC sources (i.e. utility/shore power, generator or inverter), which
means there may be the potential of having multiple neutral to
ground connections.
When using the MM Series in a AE application, you must use the "AE"
versions, which require the main service panel to provide the neutral-
to-ground bond for the entire electrical system. All other models of
the MM Series (non "AE" versions) provide an internal relay that
connects the neutral to ground while inverting and automatically
opens the neutral to ground bond when connected to the incoming AC
source; these other models are designed to be used in a Mobile
applications.

AC Wiring Connections

For all "hardwired" inverter models, the AC input and output wiring is
performed in the AC wiring compartment. This compartment is located
on the top panel (see figure 2, item 8). If installed, remove the two
Phillips screws on the cover to access the AC wiring compartment and
locate the inverter's AC wiring. There is a label located in the AC
access compartment which gives information on which wires are used
for the AC input and output. You can also refer to Table 3 to match the
inverter's AC wires to the appropriate AC wire connection.

Table 3, Wire Color to AC Wire Connection

AC IN
AC OUT
AC Ground
©2006 Magnum Energy Inc.
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Wire color (label)
Black (HOT IN)
White (NEUT IN)
Red (HOT OUT)
White with black
stripe (NEUT OUT)
Green (GROUND)
2.0 Installation
Wire connection
Hot In
Neutral In
Hot Out
Neutral Out
AC IN and AC OUT Ground
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