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I N S T A L L A T I O N
possible. You may connect the system without going through the chassis ground terminal, but the
RC7' s fuel gauge feature will not work properly.
Battery Cable Sizing
The bigger the battery cables the better. Undersized cables result in additional stress on the inverter,
lower efficiency, reduced surge power and lower peak output voltage. Don' t use cables that are too
small in diameter. The following table gives recommended cable sizes for the various cable-run
lengths and inverter voltages.
Table 1, Minimum Recommended Battery Cable Size (In free air)
Inverter
Typical DC
Model #
L2012
200 Amps
L2512
250 Amps
L3012
300 Amps
The term " Free Air" is defined by the NEC as the cabling not being enclosed in conduit or raceway.
Cables enclosed have a substantially lower continuous current carrying ability due to heating factors.
The National Electric Code (NEC) requires that the cables be protected by a fuse or breaker rated to
match the cables ampacity at 75 degrees Celsius. The NEC also allows rounding up to the next fuse
size from the cable rating, i.e. 150-amp cable size rounds up to a 175-amp fuse size.
Warning!
Under-sized cables may melt or burn if the inverter is asked to produce high
power.
DC Over Current Protection
In order to comply with the UL 458 safety standard (Land Vehicle Installations) a UL approved type of
battery over-current protection is required. Fuses and disconnects must be sized to protect the
wiring in the system. The fuse is required to blow before the wire reaches its maximum current
carrying capability.
These installation parts are not supplied as part of the inverter. However, Trace Engineering offers a
DC-rated class T fuse and safety-covered fuse block which are compatible with the Legend Series II
Trace Engineering Co. Inc.
5916 195
Street, NE
th
Arlington, WA 98223 USA
Page
28
Minimum
Amps
Fuse Size
250A
300A
400A
Tel (360) 435-8826
Fax (360) 435-2229
www.traceengineering.com
1 to 3 feet
3 to 5 ft
One Way
One Way
00
00
00
0000
0000
0000
5 to 10 ft
One Way
0000
0000
0000
Part Number 3179
Effective August 6, 1998
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Need help?
Do you have a question about the Legend and is the answer not in the manual?
Questions and answers
how do you clear error light and alarm from remote control
To clear the error light and alarm on the Trace Engineering Legend remote control, follow these steps:
1. Identify the Error – Check the LED indicators on the remote control to determine the cause of the alarm (e.g., low battery voltage, high temperature, etc.).
2. Resolve the Issue – Address the underlying problem based on the error type:
- If the battery voltage is too low or high, check and adjust the battery condition.
- If there is a high-temperature warning, allow the unit to cool down.
- Ensure all connections (battery and AC output) are secure and clean.
3. Reset the Inverter – Turn the inverter off, wait a few seconds, and turn it back on.
4. Monitor the System – Observe the LED indicators to confirm the error is cleared.
If the issue persists, further troubleshooting may be required.
This answer is automatically generated