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30 Freedom SW 230V Installation Guide
Installing the Inverter/Charger
Connecting the DC Cables to the Inverter/Charger
To connect the DC cables:
1. Route the DC cables from the battery bank to the inverter/
charger. Observe the “Guidelines for Routing the DC Cables”
on page 29.
2. Install a DC fuse and disconnect switch or a DC circuit breaker
between the inverter/charger and the battery. It must be
installed in the positive side of the DC circuit, as close as
possible to the battery.
This protects your battery and wiring in case of accidental
shorting. See Table 3 on page 14 for required fuse or breaker
size.
3. Open the DC disconnect switch or turn off the DC circuit
breaker.
4. Connect one connector on the POSITIVE (+) cable to the
POSITIVE DC terminal on the inverter/charger, as shown in
Figure 7. The connector goes on first, then the lock washer and
bolt.
5. Connect the other connector to the POSITIVE (+) terminal on
the fuse or breaker. Observe polarity carefully while
completing the installation.
Use a wrench to tighten the bolt to a torque of 20.4–21.7 Nm at
the inverter/charger end. Observe the fuse holder or breaker
manufacturer’s recommendation at the other end.
FIRE HAZARD
Use only appropriately sized copper cable. Loose connections, improper
connections, and under-rated cables will overheat. Make sure that the
supplied bolts on the inverter/charger are tightened to a torque of 20.4–
21.7 Nm. Torque all other connections to the manufacturer’s
specifications. Make sure the DC cable, washers, and bolt are assembled
in the order shown in Figure 7.
Failure to follow these instructions can result in death or serious
injury.
EQUIPMENT DAMAGE DUE TO REVERSE POLARITY
Before making the final DC connection or closing the DC breaker or
disconnect, check cable polarity at both the battery and the inverter/
charger. Positive (+) must be connected to positive (+). Negative (–) must
be connected to negative (–).
Failure to follow these instructions can damage the unit and/or
damage other equipment.
Freedom SW 3K2K 230V InvChg Install Guide.book Page 30 Friday, June 20, 2014 9:11 AM