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Old 07-03-2015, 12:50 AM   #1
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A/C runs non stop

Just checking if any other rockwood owners have a/c units that run non stop when it's warm out. Seems they under sized ours. At 28c / 82f it has run on high and not cycled once. Assuming I have a 13,500 unit not the 15k


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Old 07-03-2015, 12:57 AM   #2
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Make sure your thermostat fan setting is on "Au"and not hi or low.
Au stands for auto. Hi or Low will cause the fan to not turn off
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Old 07-03-2015, 03:49 AM   #3
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Move here - not that many hot days
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Old 07-03-2015, 10:27 PM   #4
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I had a bad relay in our mach 5 causing the same type of problem. I had to trip the breaker to turn it off. Warranty fix and I replaced the analog thermostat with a digital one because I felt I welded the relay by over cycling the a/c when adjusting the temp. Digital has a time delay.
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Old 07-03-2015, 10:30 PM   #5
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See if plugging up a few holes might help...

Newbie with air conditioner that can't keep up?
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Old 07-03-2015, 10:53 PM   #6
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Pretty normal...especially if you are parked somewhere with not much shade. These trailers are not like our homes, not much insulation in them. As others have said, open any cupboard on the side of the trailer in the sun and the heat there will show you just how hard the a/c has to work.
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Old 07-04-2015, 12:52 PM   #7
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Mine ran so long a few nights ago that it was 57 in the camper when I went out and saw the windows dripping condensation. Had to throw the breaker to kill it. plan to replace with digital soon.
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Old 07-04-2015, 01:36 PM   #8
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To summarize, you may have one of 4 problems (in order of probability):
1. Fan is in ON (run's constantly) and you don't realize that the compressor is cycling on & off - put fan in AUTO; it will then cycle with the compressor.
2. Lousy analog thermostat - replace with digital
3. Too hot outside, AC can't keep up - deal with it.
4. Bad relay - replace relay
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Old 07-04-2015, 02:51 PM   #9
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Quote:
Originally Posted by Alberta8311ss View Post
Just checking if any other rockwood owners have a/c units that run non stop when it's warm out. Seems they under sized ours. At 28c / 82f it has run on high and not cycled once. Assuming I have a 13,500 unit not the 15k


2014 Rockwood 8311SS
May have lost freon. Mine was only 6 months old when it done it. Take a meat thermometer check outside air going into a/c then check air coming out should be at least 15 degrees different.
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Old 07-04-2015, 09:16 PM   #10
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Quote:
May have lost freon. Mine was only 6 months old when it done it. Take a meat thermometer check outside air going into a/c then check air coming out should be at least 15 degrees different.
Oops. Forgot problem #5!
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