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Old 11-17-2019, 09:57 AM   #1
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Heater Relay Clicking

Hello All,
2014 Forest River 360 P-Dek

My heater is working. However, I've never liked the way it is controlled on/off, by the AC relay circuit board in the AC up top.
When the thermostat is activated to turn the heater on, this is controlled by a relay in the AC. Presumable to start the AC to circulate the hot air through out the camper.
I do not like this, and never have. I currently circulate hot air with the ceiling fan, which works well, and is much much quieter.
Does anyone have a wiring diagram for a typical propane heater, so I can begin looking at ways to bypass the AC relay, and run the heater directly from the Dometic thermostat?
Thanks
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Old 11-17-2019, 10:51 AM   #2
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You need to set the thermostat fan speed to auto (AU) which will keep the A/C fan from coming on.
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Old 11-17-2019, 11:56 AM   #3
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Quote:
Originally Posted by bubbles View Post
You need to set the thermostat fan speed to auto (AU) which will keep the A/C fan from coming on.
That is a work around, but it's not what I'm trying to accomplish. Basically, I can accomplish the same thing, by simply turning off the AC breaker. However, I still have the clicking relay in the equation.
What I would like to do, is have the AC relay out of the equation, and have the Heater and AC two seperate systems.
I'll have to have a heater wiring diagram, and how that interacts with the thermostat also controlling the air conditioner.
If the AC relay goes out, I have no heat.
Unfortunately, this camper is not in a place where it can easily be towed to a dealer and have them fix it.
thanks
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Old 11-17-2019, 01:50 PM   #4
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It's not a work around, it is the way the system was designed to work. I'm not sure how to bypass the circuitry within the A/C and still maintain full functionality. Good luck.
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