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Basic Installation Procedures
This guide for use by qualified personnel only.
13. Connect the cable from the negative post of the battery to the
negative DC terminal of the inverter.
14. Install the lock washer and nut that are supplied. Tighten the
nut to a torque of 108–120 in-lbf (12.2–13.6 N-m). Make the
connection snug enough so the ring terminal does not move
around on the DC terminal, but do not overtighten.
15. Slip the DC terminal covers over the Freedom Xi DC terminals.
DC Grounding
To connect the DC ground:
The equipment grounding lug on the DC end of the Freedom Xi is
used to connect the chassis of the Freedom Xi to your system’s DC
negative connection or grounding bus point as required by electrical
regulations. Use copper wire that is either bare or provided with
green insulation. Do not use the DC Ground Lug for your AC
grounding. See the AC wiring instructions in this section.
Follow the guidelines below that correspond to the specific type of
installation. These guidelines assume you are using the DC supply
cable and fuse sizes recommended in this manual. If you are using
different sizes, refer to the applicable installation code for DC
grounding details.
Recreational Vehicle Use 8AWG copper wire and connect it
between the Chassis Ground lug and the vehicle’s DC grounding
point (usually the vehicle chassis or a dedicated DC ground bus).
Marine Use copper wire that is bare or has insulation rated
minimum 105
°C, and connect it between the Chassis Ground lug
and the boat’s DC grounding bus or engine negative bus. For the
Freedom Xi 1000 models, use a wire of gauge 4AWG minimum.
For the Freedom Xi 2000 models, use a wire of gauge 1/0AWG
minimum.
Inverter Ignition Control (All Models)
The Freedom Xi can be wired to inhibit inverter operation in the
absence of a vehicle’s (or vessel's) ignition control signal. This
feature can avoid unnecessary battery drain that would otherwise
occur if the inverter was operated without a charging source such as
the vehicle alternator. The feature is standard on the Freedom HF
platform.
To enable ignition control:
1. Ensure that AC and DC power are both OFF.
2. Ensure the vehicle’s ignition is turned to OFF position. It is
highly recommended to remove battery power by
disconnecting the vehicle's battery cables. Refer to the vehicle’s
user manual for proper instructions on how to disconnect the
battery cables.
Freedom XI Install Guide.book Page 23 Friday, September 18, 2015 2:48 PM
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