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Old 07-30-2018, 09:38 AM   #1
LJY
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Thermostat switched from AC to Furnace by itself

We left the TT with AC on for a few weeks and came back to find the AC setting had switched by itself to Furnace mode be itself. Has anyone else experienced this?
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Old 07-30-2018, 01:19 PM   #2
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I've had mine do what I considered weird things. I had to fiddle with the temperature settings to make sure the furnace didn't kick on. As well as the other way around. I realized one day that it was getting awfully warm in the trailer - turns out the furnace had kicked on. Ack! I also had to fiddle with the setting (auto, low, high). I've had to do this more than once, due to the furnace coming on.



Unfortunately I don't remember exactly where I put each one at. If you're in the trailer at the time, you'll need to just fiddle with the thermostat until you figure it out. I should have written down what all I had to do, as I'd also have the a/c kick off when I thought it still should have been running.


Not exactly the answer you're looking for, but at least you know you're not alone regarding this situation.
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Old 07-30-2018, 04:19 PM   #3
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Yes, i'm glad i'm not crazy... our thermostat (besides being inaccurate to about 4 or 5 degrees higher) was turning on furnace too.

Is it easy to replace this thermostat? Does any household one work in RV?
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Old 07-30-2018, 04:35 PM   #4
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Originally Posted by LJY View Post
Yes, i'm glad i'm not crazy... our thermostat (besides being inaccurate to about 4 or 5 degrees higher) was turning on furnace too.

Is it easy to replace this thermostat? Does any household one work in RV?
Mercury thermostats such as the Honeywell T87 are more accurate (1 1/2 deg variation from set point ) but require the thermostat to be level and the anticipation set properly in order to to be accurate
Bimetallic thermostats often used in RV are not extremely accurate ( 3 to 5 deg drift ) but they don’t have be level and are relatively inexpensive
Digital electronic thermostats are very accurate and do not have to be level but they are more expensive
Line voltage thermostats are thr least accurate and drift 4 to 5 degrees either side of set point .

Thermostats are easy to change just follow the wiring color code
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Old 07-30-2018, 05:01 PM   #5
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So the Escapes have a single thermostat to control AC and heat, then?
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Old 07-30-2018, 05:19 PM   #6
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So the Escapes have a single thermostat to control AC and heat, then?
I went thru this. If I recall correctly I was advised to make sure that the temp settings on the thermostat had an adequate gap between them. If using a/c set the heat temp up high and if using furnace set the air temp down low and see what happens. I think I was advised to have the fan set on Auto rather than Hi or Lo also. Haven't had any problems since.
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Old 07-30-2018, 05:25 PM   #7
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the thermostat on my 2014 E21 just controls the furnace. the A/C has its own control knobs on the A/C
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Old 07-30-2018, 05:37 PM   #8
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the thermostat controls both air and heat on my unit
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Old 07-30-2018, 05:49 PM   #9
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If you got the digital thermostat then the one control does both. If you did not order it then you have separate controls.
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Old 07-30-2018, 05:50 PM   #10
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I have yet to have issue with mine. I find the temperature on it to be quite accurate, easily within 1°C.

It is a bit of a pain using it where it is, but is likely in the best place for effectiveness. I put the one for my electric heater near it too, and it is much easier to read at an angle than the Dometic one.
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