Talk of The Villages Florida - Rentals, Entertainment & More
Talk of The Villages Florida - Rentals, Entertainment & More
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Help understanding operation of my AC unit with de-humidistat
Hope this is the right forum. Did not see All about airconditioners and things forum
I am testing my de-humidistat before I drift north for the summer. Thinking there may be some experts out here that can describe what I am seeing before my AC person comes over for the yearly inspection. My de-humidistat is wired in series with the thermostat. When I am here in TV, I leave the de-humidistat in the ON position, so AC is controlled by the thermostat alone. In this mode all works as expected. Now I test the de-humidistat. I set the thermostat to 70 degrees (colder than room temperature). I then turned the humidistat to 30%. The Trane XR80 air handler in garage and the compressor outside came on. This is good. I leave the thermostat at 70 degrees and I next turned the de-humidistat to 80%. Now the air handler in the garage is ON but the compressor outside is OFF. I now leave thermostat at 70 degrees and turn de-humidistat to OFF. The air handler in the garage is still running, but the compressor never comes on. Without the de-humidistat, I do not think I ever hear the circulator ON when the compressor is OFF. Does what I am seeing make sense? Thanks Alan |
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#2
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Most compressors will have a delay in starting and in turning off as a means to "milk" the most of the energy from the cooling/heating operation's last cycle... so it may be that you ran your cycle tests a little too close together. If that happened, try again but wait maybe 10 minutes before conducting the next cycle test in the series.
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Columbus, IN and Aberdeen Proving Grounds, MD |
#3
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It sounds to me that the humidistat was wired in the compressor circuit. Leaving the fan to operate from the thermostat. If that's the case the fan will run all the time when the thermostat setting is below room temp. I'm sure your A/C guy will make sure it is set up properly.
Bob |
#4
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Quote:
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#5
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Does what I just typed make technical sense? |
#6
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Let us know what your AC guy says. Bob |
#7
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This all makes my head hurt!
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#8
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When we leave we put he humidistat on %60 and the thermostat at 79 degrees.Worked great last year!
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#9
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That is what I was hoping for but....
When I do this my air handler in the garage NEVER shuts off.
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#10
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When I go up North, I leave the de-humidifier on 60% and don't really concern myself with where the thermostat is set to. When the de-humidifier is set at 60%, the thermostat is not being used so it can really be set for any temperature. Have done this for the last two years and have had no problems with mold whatsoever.
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#11
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de-humidstat hookup?
Does anyone know how to hook-up one of these de-humidstats???? Like to put one in but not to sure how to do it. Do they come with instructions how to hook it up to your thermostat?? Thanks for any input!!!
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#12
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PS. Thanks for all the suggestions and references in PMs. I do have an AC guy coming over in a week or so. |
#13
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First I know nothing about how to wire the de-humidistat. We had one installed by a handyman in TV when we were not there. We thought it was working as it should, but then our AC stopped working. When Munns checked out the A/C they discovered the de-humidistat was wired wrong. They corrected the problem and since then the de-humiidstat and A/C have been working properly. We have a very low electric bill in the summer when our house is unoccupied due to using the de-humidistat. So long story short is could be wired wrong.
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My goal in life is to be as good of a person as my dog already thinks I am. |
#14
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We had ours
put in by Munns.Maybe that's why we haven't had any problems!! jmho!
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#15
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Resolution
Alan
Have you found anything out yet about why the air handler continues to run when trying to use the dehumidistat? |
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