Quote:
Originally Posted by The_Breeze
There's no mention of the distance between the batts and inverter and inverter to distribution panel, and the dist panel to the A/C - nor the guage of the wire used. Without those numbers, the potential volt and corresponding amp loss is not calculable.
The A/C is likely on a 20A circuit requiring a minimum of 12-2 wire. There'll be little volt drop on the 120 output side of the inverter, so that becomes less of a concern than the 12v input between the batts and inverter. If the batts are under the steps Iin front) and inverter is under the bed (in the rear), even 4/0 wouldn't be sufficient for a run like that, when trying to run a 20A load or the compressor surge (i.e. A/C)
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The batteries are in the back of the coach with the inverter a couple of 4/0 feet of cable away. Should be sufficient for that run. I've got 15' of 6/3 AWG carrying the 120 V AC from the inverter to the AC dist panel so that should be sufficient too.
I'll keep working on this and post how it turns out.
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