Xantrex 817-2000-12, Owner'S Manual

Page: 29 / 92

Basic Installation Procedures
975-0822-01-01 15
AC Mains Power
A source of 230 V
V
50Hz sine wave alternating current provides
energy to pass power through to AC loads. This source is usually
the utility grid (power company) or an AC generator. An automatic
or manual AC mains selector switch can be used to switch
between the multiple sources of shore power to the Freedom X
system.
The AC mains feeding the Freedom X may have the neutral
conductor floating, meaning isolated from earth potential. See
AC
Output Neutral Floating on page 16 for more information.
NOTE : Throughout this guide, the term “shore power” refers to AC
input power from a utility grid, generator, or other AC source.
AC Disconnect and Over-Current
Protection Device
Most safety requirements and electrical codes require the
Freedom X’s AC and DC inputs and outputs to be provided with
over-current protection (such as circuit breakers or fuses) and
disconnect devices.
AC Input
The circuit breaker or fuse (connected through hard
wiring) that is used to supply the Freedom X must
be rated at no more than 30A and must be approved
for use on 230 V
V
branch circuits. The wire used
between the breaker and the Freedom X input must
be sized adequately to carry current up to the rating
of the input breaker and in accordance with the
electrical codes or regulations applicable to your
installation.
AC Output
The circuit breaker or fuse must be rated at no more
than the rating of the input breaker in the installation
and must be approved for use on 230 V
V
branch
circuits. The wire used between the Freedom X and
the AC output breaker must be of adequate size to
match the AC input circuit breaker’s rating. The
wiring from each AC output breaker to each of the
loads must be adequately sized to carry the current
rating of the individual AC output breaker.
Disconnect
Devices
Each system requires a method of disconnecting
the AC circuits. If the over-current protection
devices are circuit breakers, they will also serve as
the disconnects. If fuses are used, separate AC
disconnect switches will be needed ahead of the
fuses. These will have to be a branch circuit rated
for 230 V
V
and have an appropriate current rating.