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Old 07-24-2015, 04:28 PM   #1
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Join Date: Oct 2014
Posts: 3,182
AC fan cycling due to high humidity ( temp FIX)

There have been several posts here about AC fan cycling when AC is first started in a hot / humid RV. It is usually caused by the coils freezing up and the unit allowing them to defrost. I noticed this week with 97degree temps and high humidity that when this occurs, if you open the fast cool vent (diverts return air from ducts to straight out AC unit) the AC and fan continue to run with no freezing up due to the high volume of air thru the coils. Once the RV starts to cool and humidity drops you can slowly close quick cool vent and distribute air thru the vents as normal.

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