975-0753-01-01 21
Basic Installation Procedures
This guide for use by qualified personnel only.
3. Strip 1/2 inch (13 mm) to 3/4 inch (19 mm) insulation from one
end of each cable. The amount stripped off will depend on the
terminals chosen.
4. Attach the connectors that will secure the cables to the battery,
to the disconnect/battery selector switch, and the fuse block.
The connectors you use must create a permanent, low-
resistance connection.
If crimp connectors are required, it is recommended to use
approved and certified connectors, and to use the tool
recommended by the terminal manufacturer. Make sure no
stray wires protrude from the connector or terminal.
(You may find it more convenient to have the crimp connectors
attached by the company that sells you the cable and/or
connectors.)
5. For each cable end that will be connected to the inverter, strip
1/2 inch (13 mm) to 3/4 inch (19 mm) of insulation from the
cable. The amount stripped off will depend on the terminals
chosen.
6. Thread a supplied DC terminal cover over the positive and
negative cables. The red cover goes on the positive cable; the
black cover on the negative cable.
7. Attach the connector that will join the cable to the inverter DC
terminal.
8. Install a fuse and fuse holder in the cable that will be used for
the positive side of the DC circuit.
The fuse must:
• be as close to the battery positive terminal as possible
• be rated for DC circuits
• have an Ampere Interrupting Capacity (AIC) that exceeds
the short-circuit current available from the battery (that is,
Class T fuse)
9. To prevent sparking when making the connection, ensure the
disconnect/battery selector switch is off.
10. Attach the connector on the positive cable to the positive DC
terminal on the inverter.
11. Install the lock washer and nut that are supplied with the
inverter. 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. See
Figure 6, “DC Cable Connections” on page 22.
Freedom XI Install Guide.book Page 21 Friday, September 18, 2015 2:48 PM
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