Flaky Furnace Thermostat
I have a Suburban gas furnace in my 4-year old 5th-wheel. The thermostat name on the front panel is "RVComfort.HP". When heating on propane only (that is, not using the heat pump), four times in the p...
Forum Discussion
Per the Coleman OEM install spec I was looking at, the 3 wire does not go to the furnace. Both 3 & 4 bundles go back to AC control box then a wire to furnace, but that's the way it's SUPPOSEd to be wired. To turn on furnace the white in the 4 wire gets connected to the red (12+). Do it with a meter 1st to check . Why they can't put a tstat wire in that will work all the contacts is beyond me.
