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Posted by John Doe on June 7, 2006, 12:11 am
"Edwin Pawlowski" <esp snet.net> wrote:
> "John Doe" <jdoe usenetlove.invalid> wrote in message
> news:Xns97DAD773741660123456789 207.115.17.102...
>
>
>> That would be to simply have two potentiometers. One would
>> control the percent of time the air conditioner cooling stays on,
>> the other would control cycle length. For example, you could set
>> the cooling to stay on for a few minutes, and with the cycle
>> length set to 10 minutes, every 10 minutes the air conditioner
>> cooling would run for a few minutes.
I kind of goofed there. I started saying one would control the
percent of total cycle time then switched to saying it would be a
static time. I guess they're both possibilities.
>
>> Around here during the summer, we oscillate between hot and
>> humid. During a few weeks during the summer, the temperature
>> averages 96øF, and at night it's about 80% humidity. Using a
>> simple thermostat, the later it gets, the more humid it gets
>> without a decrease in temperature, so it actually feels warmer in
>> late evening.
>
> What do you think it will accomplish?
An efficient AC controller.
>
> You want to run the condenser regardless of the temperature?
> Yes, that will being the humidity down, but
> also the temperature.
During the daytime here, I think most people accept higher
indoor temperatures, as it's also recommended by our electricity
provider.
>
> If you run it at very low temps there is also the
> potential of freezing up the evaporator coil.
I guess you are assuming that no one would know enough to turn the
air conditioner down if the outside temperature somehow fell
dramatically during the summer.
You could set a minimum temperature or have built-in protection
against that.
>
> Many years ago my father worked as an engineer for a printing
> company. Humidity control was more important than the temperature.
> They had the entire plant air-conditioned, but when the
> temperature dropped and humidity was high, the heat would also
> run. This was fifty years ago and I don't recall the control
> setup. At the time, energy was cheap too.
I've given that advice to bus drivers when the temperature doesn't
require air-conditioning but the air quality is worse than a high
school locker room.
I acknowledge that some people like to be totally insulated against
natural effects like temperature variation and sound. Again, I'm not
suggesting this is commercially viable.
>
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> From: "Edwin Pawlowski" <esp snet.net>
> Newsgroups: alt.home.repair
> References: <Xns97DAD773741660123456789 207.115.17.102>
> Subject: Re: an efficient AC controller
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