Quote:
Originally Posted by itdave
OK here is my understanding from the owners manual the House batteries will charge from the alternator but the chassis batteries will not charge from shore power. But I think this is incorrect I don't think the house batteries charge from the alternator. Based on discussion with SacTC he installed the unit from Mega RV and things still don't work as advertised. I think we need to do more research into this issue.
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The sentence in bold above is correct. (maybe)
The house batteries
SHOULD charge off the alternator. There are conditions that must be met first. When you start the engine, the first thing the alternator does is run the heating elements for the engine until it arrives at a set temp. (computer controlled)
Then it begins monitoring the charge of the
chassis batteries. They have to reach a charge of 13.2 Volts and maintain that charge for approx 5 minutes before the change-over to charging the
house batteries. If there is a drain on the chassis batteries or if there is a problem with the chassis batteries, the charging of the house batteries will not happen. If the chassis batteries are drained for some reason, and you have to
boost start the engine, it may be a very long time before it ever swaps over to the house.
Oh yeah, some of the coaches
will charge the chassis while plugged in to shore. Just seems to depend on who set up the electronic monitoring system that particular day on the manufacturing line.