Set your thermostat for 75 if the outside air temp is 85. It will cycle provided there is not an air leak between the input and output plenums.
Setting the thermostat colder than that will cause frost on the cooling fins that will shut off the compressor. The fan will run but no cooling till the frost melts.
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Lou & Freya the wonder dog
2008 GMC Sierra 3000HD Allison Duramax
2019 Flagstaff 8529FL
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