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Planning the Installation
This guide for use by qualified installers only.
DC Cabling
Definition DC cabling includes all of the cables and connectors between
the batteries, the DC disconnect and over-current protection device, and the
inverter/charger.
Type All installations require multi-strand insulated cables. The DC
cables must be copper and must be rated 105 °C minimum.
Size and Length See Table 3 for required DC cable length, cable size and
required fuse size for the Freedom SW 2000. Wire size is usually marked
on the cables.
DC Grounding
The inverter/charger DC (chassis) ground terminal needs to be connected to
the vehicle chassis by a minimum No. 8 AWG copper conductor that is
either insulated (green) wire rated 90 °C or bare copper.
Consult your local electrical codes and other applicable electrical standards
for specific requirements and applications.
IMPORTANT:
Using a smaller gauge cable or a longer cable may cause the
inverter to shut down under heavy load.
Table 3
Recommended DC Input Cable and Fuse Size
Maximum DC Cable
Length: Battery to
Freedom SW 2000
(one way)
Total Length
(two way)
Minimum
Recommended
Cable Size
Maximum Battery
Fuse or Breaker
10 feet (3 meters) 20 feet (6 meters) No. 4/0 AWG 300A class T or
equivalent