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Old 02-28-2019, 04:59 PM   #1
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AC runs 24/7, PITA!

Why do rv acs have to run all the time. Why can't the fans cycle on and off like the compressors?
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Old 02-28-2019, 05:04 PM   #2
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make sure thermostat fan is set to "auto" mode instead of fan "on"
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Old 02-28-2019, 05:11 PM   #3
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x's 2. put the fan in AUTO. just like at home. that is if you have A/C at home.
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Old 02-28-2019, 05:27 PM   #4
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Very common issue.
Should have a thermostat manual, that will have instructions.
If not, download one.
As was said, you probably have set on HI or LOW fan setting.
Should be on AU.
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Old 02-28-2019, 07:07 PM   #5
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It is always set on auto. Hi/Lo fan does nothing. So you guys are saying the fan should cycle on and off as the compressor does? Just like My home AC does?
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Old 02-28-2019, 07:15 PM   #6
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Quote:
Originally Posted by Lee Pedrick View Post
It is always set on auto. Hi/Lo fan does nothing. So you guys are saying the fan should cycle on and off as the compressor does? Just like My home AC does?
Yes.
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Old 03-01-2019, 12:17 AM   #7
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Quote:
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It is always set on auto. Hi/Lo fan does nothing. So you guys are saying the fan should cycle on and off as the compressor does? Just like My home AC does?
x's 2
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Old 03-01-2019, 12:21 AM   #8
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Quote:
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It is always set on auto. Hi/Lo fan does nothing. So you guys are saying the fan should cycle on and off as the compressor does? Just like My home AC does?
Yes, with the fan on Auto, it should cycle.

With the fan set to Hi or Low, it'll stay on 24/7.

Make sure you're not mixing the "auto" setting which decides if it should turn on heat or A/C depending on temperature with the actual fan setting.
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Old 03-01-2019, 12:34 AM   #9
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Why do rv acs have to run all the time. Why can't the fans cycle on and off like the compressors?
On most travel trailer rooftop units, the fan does run all the time. I can't remember the wording in our manual, but it has something to do with air circulation. It is definitely annoying. Our mini MH has the same type of unit and it gets turned off when not needed and the windows opened.
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Old 03-01-2019, 12:39 AM   #10
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On most travel trailer rooftop units, the fan does run all the time. I can't remember the wording in our manual, but it has something to do with air circulation. It is definitely annoying. Our mini MH has the same type of unit and it gets turned off when not needed and the windows opened.

Not so. It happen mostly with the newer Heat Pump units. But they too will cycle on and off if one learns how to use the t-stat.
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