Quote:
Originally Posted by djdobbins1
When I use my air conditioners, I can hear the AC cycle on and off, but the fan never stops. Is this normal? I have the thermostat set to cool with fan on LOW.
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As others have stated, "auto" will cycle the fans and the compressors. Personal preference, and no right or wrong, but I was a little surprised that so many folks run the fan continuously on low (or high). Something to keep in mind is that running the fan continuously requires that you must keep a close eye on your filters because you are moving much more air through them. Dirty filter(s) equal reduced air flow across the cooling coil which results in iced up coils.
Another consideration about running on high fan with mild heat loads is this... While it may cool the coach more quickly, it can result in higher internal humidity levels. Running on low fan, assuming it can handle the heat load, will result in lower, more comfortable humidity levels. Having a cooling coil cycle off too soon means that to A/C can no longer can wring out the moisture (condensation) leaving you with a cool but clammy feeling. This is a common problem when oversizing central air conditioning in homes. An oversized system cools too quickly before it has time to remove enough moisture. Humidity control is really the key to comfort cooling.
Apologies for now briefly sliding off topic… but our 2013 Winnebago has coleman rooftops that have to be the noisiest rooftops ever both inside and out! I feel sorry for our neighbors having to hear those loud units.
I was on the roof yesterday and it appears to me that one cause is that the condensing fan is a very high speed small diameter fan which results in high noise levels, not to mention a very noisy compressor. The condensing fan should be a larger, slower fan which would reduce noise while still maintaining the same condensing air flow. A good reason to test drive in the summer
cheers,
Joopy
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