[Tf175]

Just one general caution. It is not a good practice to use the alternator to charge heavily depleted house batteries. It is really tough on the alternator.

Yeah, I know, then why are most motorhomes wired to do it that way. It certainly keeps the 12V house systems going while underway, but you really can put a strain on the alternator with house batteries that are way down. The problem is the heat generated by making all that current just causes the alternator to prematurely fail.

This doesn't apply to the rigs with the huge 50DN alternator that is oil cooled.

In the beginning I only wanted the correct 160 amp output that the coach came with , but this 220 amp has me wondering about running the electric only refrigerator with an inverter while travelling . We will use the coach for our racing trips and will be running the generator or shore power when parked . I agree that it is taxing for any alternator to bring up depleted batteries. I am curious as to whether or not I can connect the chassis batteries to one of the positive studs and leave the other one capped . I was going to connect this way and then saw something about the Duvac system that has me wondering... 
Thanks for the reply !
Chris