Quote:
Originally Posted by FW28z
Kind of odd that those Coleman-Mach thermostats are used in many different RVs, and most of them would all have the same fan problem. When I go to RV shows, they are in most of the (lower cost) motorhomes (not sure about 5'ers or tt's as I don't go into many of those).
I don't know if a residential thermostat will work as it would have to control two different units rather than a combo A/C-furnace.
I suppose it's just another example of "good enough" from the RV industry.
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My prior coach, a forest river, had a suburban furnace with a Dometic thermostat and the furnace itself was single speed. The AC could be run on high or low, however, the thermostat had to be set to Auto for the furnace to operate correctly and this limited it to single speed. This issue may be a little deeper because it seems to cross over the lines of RV and component manufacturers.
I haven't tried the settings in this Challenger, however, I imagine I will find something similar to what you are finding.
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