Quote:
Originally Posted by SamNavy
OK... receptacles work verified off a couple small vornado fans. Neither roof AC will come on. Both roof AC units work great on 5500 generator power as long as I manage the rest of the load. Is there a contact somewhere in the electrical system that senses 20amp wall connection vs 30/50amp campground power before the AC units will play ball?
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As far as I know you do not have a power management system, so the A/Cs should try to start or at least the fan run. I would suspect the problem is the thermostat. It requires 12 volts and that comes through the furnace fuse to work. That is the best remote trouble shooting I can do.