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Old 05-27-2016, 06:05 AM   #1
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Air conditioner regulator

First actual trip in a 2008 Jayco Bh! Was wondering if there is a way to have air conditioner stop running when it hits the correct temp or does it just run all the time? Just controlled on the ceiling.
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Old 05-27-2016, 06:50 AM   #2
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Unfortunately with that ceiling assembly the fan runs constant.
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Old 05-27-2016, 07:08 AM   #3
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You may be able to find a local electrician that can control the fan motor using a normally open relay powered by the compressor
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Old 05-27-2016, 08:57 AM   #4
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it becomes a hazard

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Originally Posted by JohnWedell View Post
You may be able to find a local electrician that can control the fan motor using a normally open relay powered by the compressor
With a 120V coil powering the relay, I doubt you would find anyone willing to do that.
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Old 05-27-2016, 09:19 AM   #5
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I kinda like the idea of the fan running like that. When it is on it circulates all of the trailer air back to the Air conditioner return filter and then blows out through the A/C duct work to all the areas again...

Not knowing anything about how all of that is wired in the ceiling unit but I suppose you can add a remote thermostat and fan controls. I think all of that wiring terminates into a terminal strip in the ceiling unit.

Must be some sort of disconnect as the top roof mounted part of the unit is installed first then the bottom part. They either are hard wired to a terminal strip or use some sort of interconnection cable/plug thing....

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Old 05-27-2016, 09:31 AM   #6
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I think you can get a kit for most a/c's to convert to a wall mounted thermostat that would do what you want. Might check with the manufacturer of your particular a/c.

http://www.adventurerv.net/dometic-s...-pi-29695.html
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Old 05-27-2016, 10:23 AM   #7
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I think you can get a kit for most a/c's to convert to a wall mounted thermostat that would do what you want.
Do-able, but challenging.
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Old 05-27-2016, 10:25 AM   #8
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Quote:
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With a 120V coil powering the relay, I doubt you would find anyone willing to do that.
Don't want to start an argument but I'm licensed in commercial HVAC/R and it's done all the time, not saying it would be a good idea on his unit without looking at it, but it can be done. Also it would void the warranty if it has one.
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Old 05-27-2016, 01:21 PM   #9
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Quote:
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With a 120V coil powering the relay, I doubt you would find anyone willing to do that.
There are relays available that have AC rated contacts and DC rated coils. My understanding is the thermostats work off dc and you could use that to turn power on/off to the airconditioning unit itself.
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Old 05-27-2016, 03:15 PM   #10
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Do-able, but challenging.
Why is that? I thought the kits were mostly plug and play. Maybe running the thermostat wire is what you are calling challenging? I can see where that might present a bit of a problem.
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