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9. Do not backfeed the AC output of the in-
verter with incoming AC power. A backfeed
occurs when AC power from shorepower or
generator is connected to the output of the
inverter. This will damage the inverter and void
the warranty. Remember that incoming AC
must be fed only to the AC input and never the
AC output. Always check for AC voltage before
connecting wires to the AC output. Do NOT
turn the inverter ON until all AC connections
have been made. Backfeeding the inverter
voids the warranty.
10. Do not connect the AC input to the AC
output. This would be equivalent to plugging
the battery charger into the inverter. This could
occur if the unit’s AC output is connected to
the entire leg of a circuit breaker panel, then a
circuit breaker on that leg is used to feed the
battery charger input. This will cause the unit to
oscillate ON and OFF when the unit is in
inverter mode.
11. Always use proper wire and
connectors. The proper battery cable size is
critical. Considerable amperage flows in the
DC circuit. For the Freedom 10 use 2 AWG
(for the Freedom 15, 20, 25, 2/0 AWG; for the
Freedom 30, 3/0 AWG) UL Listed Welding
Cable terminated on each with UL Listed or UL
Recognized ring terminal connectors. For the
terminal, use Thomas & Betts (T&B) part
number BAL 2038. Be sure the connectors are
attached to the cable using a method approved
by the connector manufacturer. For the
INSTALLATION
connections to meet all requirements, T&B
recommends that each terminal be crimped in
two places with a pressure of 15 tons using a
hexagonal die. The T&B die has a code number
of 54. After the crimp is made, the barrel of the
terminal and the first inch of the cable needs to
be covered in UL Listed or UL Recognized
heat shrink tubing. Xantrex recommends a
2-inch length of 3M HDT 0800 tubing. Other
heat shrink may be used if it is UL Listed or
UL Recognized as long as the
manufacturer’s directions are followed.
12. If installing in a system which includes an
existing battery charger or AC to DC converter,
make sure these do not operate from the
inverter output AC power. This sets up a
power loop which, due to inefficiencies, will
quickly drain the batteries.
13. An Auxiliary Switch port is located on the
front panel of the unit, covered by a flap. When
installing the unit for operation without a Remote
Control Panel or Link Instrument, a jumper must
be installed in the Aux Switch port. The jumper
is shipped in a plastic bag with other installation
parts. DO NOT install the jumper until all cable
connections have been made.
When using a Freedom Remote Control
Panel or Link Instrument, the jumper is not
used.
Do not connect incoming AC from any
source to the AC output of the inverter.
This is known as backfeeding and will
damage the unit and void the warranty.
WARNING
Auxiliary Switch Port
Freedom 20
Jumper
Actual size 3/8” L x 3/16” W