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Old 06-21-2014, 05:27 PM   #1
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A/c 36fl

We have a 2012 36FL and here is my dilemma... we are currently in central AL where it is 80 degrees at 8am and 85% humidity. The A/C runs all the time! either the front or the back depending on temp setting. I currently have the front thermostat set to 80 degrees and the rear at 75 with a fan on the pantry ledge pointing into the front living area that blows on the old black dog who spends all of his time on the couch. With the back A/C set at 75, it is supposed to turn on at 78 and off at 74... but it it won't get any colder than 75 so it runs and runs and runs. So, I move the thermostat to 76 thinking it will cycle because it was previously staying at 75... nope. it never gets any colder that 76...and the same on 77 degrees... what's up? The only way it will cycle as it should is if I set the back A/C at 79 or 80 but that is too warm to keep the front A/C from running all day long! Plus, I would THINK that an A/C that runs all day long would freeze us out but it doesn't. Thoughts? we bought the coach 18 months ago.
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Old 06-21-2014, 05:30 PM   #2
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I don't think the thermostat readouts are very accurate. I keep mine at about 80 to prevent it from running continuously trying to push us down to 70.
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Old 06-21-2014, 05:40 PM   #3
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Originally Posted by marandjwr View Post
We have a 2012 36FL and here is my dilemma... we are currently in central AL where it is 80 degrees at 8am and 85% humidity. The A/C runs all the time! either the front or the back depending on temp setting. I currently have the front thermostat set to 80 degrees and the rear at 75 with a fan on the pantry ledge pointing into the front living area that blows on the old black dog who spends all of his time on the couch. With the back A/C set at 75, it is supposed to turn on at 78 and off at 74... but it it won't get any colder than 75 so it runs and runs and runs. So, I move the thermostat to 76 thinking it will cycle because it was previously staying at 75... nope. it never gets any colder that 76...and the same on 77 degrees... what's up? The only way it will cycle as it should is if I set the back A/C at 79 or 80 but that is too warm to keep the front A/C from running all day long! Plus, I would THINK that an A/C that runs all day long would freeze us out but it doesn't. Thoughts? we bought the coach 18 months ago.
We alternate our a/c units on hot days. We run them about 6hrs each. Our temp is set to 74.
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Old 06-21-2014, 05:53 PM   #4
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Atom Ant, Our thermostat is fairly accurate as I have a digital thermometer close by that confirms only a degree or two difference.

John, so set at 74 it runs for 6 hrs straight? and doesn't get cold enough to shut it off? I would think that a unit running for 6 or more hrs would be hard on it... am I wrong and should just consider it a fact of life?
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Old 06-21-2014, 05:56 PM   #5
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We too are Colorado kids, Atom Ant, so this humidity is killing us!
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Old 06-21-2014, 07:02 PM   #6
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These AC's are designed to run almost continually during the day, with getting their rest at night, or so my dealer has said. In KY, during the summer months, both of mine run almost continuously during the day time hours. I leave my main AC at 73, my BR AC at 68. It stays about 75 in the RV during 85-90 degree weather.
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Old 06-21-2014, 07:07 PM   #7
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good to know! thanks all! I'll stop worrying about the a/c and concentrate my concerns on the electric bill
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Old 06-21-2014, 07:16 PM   #8
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We were in cape may NJ for the last month. What ever the temperature, it was set at 74 and it had not trouble keeping that cycling when it went to 74. The last 2 days there it was 100 degrees. With the rear AC only it wouldn't get below 77 degrees. I put on the forward AC together with the back AC both set at 74 and it got there and cycled on and off continually.
We just got back to the Catskills in NY. This morning I thought the AC broke it was 63 in the camper. It wasn't broken it was 55 outside.
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Old 06-21-2014, 07:26 PM   #9
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good to know! thanks all! I'll stop worrying about the a/c and concentrate my concerns on the electric bill
Exactly what my dealer said. I full time in mine during the week, for work, and my electric bill runs about 120.00 a month.
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Old 06-21-2014, 07:48 PM   #10
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we are paying 15.6 cents per KW which is highway robbery since the campground, according to Alabama Power, is only being charged 7.6!
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