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14 Freedom HF Installation Guide
Basic Installation Procedures
Step 4: Connecting the AC Input Wires
General AC Wiring Considerations
AC Wiring Connectors Where applicable, connect AC wires with
crimp-on splice connectors. The amount of insulation you strip off
individual wires will be specified by the connector manufacturer and is
different for different types of connectors.
AC and DC Wiring Separation Do not mix AC and DC wiring in the
same conduit or panel. Where DC and AC wires must cross, make sure they
do so at 90 to one another. Consult applicable codes for details about DC
and AC wiring in close proximity to each other.
AC Wiring and GFCIs You can plug loads (12 amps continuous,
15 amps maximum) directly into the GFCI receptacle on the front panel of
the Freedom HF. You can also connect the inverter to an existing AC
installation and then plug loads into GFCI receptacles connected to that
circuit.
If you plan to use the Freedom HF with the GFCI installed on the unit,
proceed to “Step 6: Connecting the DC Cables” on page 21.
AC wiring includes all the wires and connectors between the AC source and
the Freedom HF and all wiring between the inverter, the AC panels, circuit
breakers, and the GFCIs. The type and size of the wiring varies with the
installation and load. For some RV applications, flexible multiple-strand
wire is required.
AC wiring must be sized appropriately to carry full load current on the
input and output AC circuits in accordance with the electrical codes or
regulations applicable to your installation. Table 4 is based on the U.S.
National Electrical Code, 2003 Ed. and the Canadian Electrical Code,
assuming 2-conductor-plus-ground cable, using 75 °C wiring, at an ambient
temperature of 30 °C. Other codes and regulations may be applicable to
your installation.
FIRE, SHOCK, AND ENERGY HAZARDS
Make sure wiring is disconnected from all electrical sources before
handling. All wiring must be done in accordance with local and national
electrical wiring codes. Do not connect the output terminals of the
Freedom HF to any incoming AC source.
Failure to follow these instructions can result in death or serious
injury.
Table 4
Required AC wire size vs. required breaker rating
Required Breaker Size (amps) Required Wire Size
Freedom HF 1000
30 A maximum 10 AWG
Freedom HF 1055
30 A maximum 10 AWG
Freedom HF 1800
30 A maximum 10 AWG
Freedom HF 1800 T
15 A maximum custom cable with connector
Freedom HF
1800 EMS
15 A maximum standard AC cable with three-
prong grounded AC plug
Freedom HF
1055 EMS
15 A maximum standard AC cable with three-
prong grounded AC plug
Freedom HF Install Guide.book Page 14 Thursday, November 24, 2011 11:06 AM