Re: Pool Heat Automation Suggestions

[pwatercare@xxxxxxxxx]

On Friday, September 21, 2007 12:20:35 AM UTC+5:30, Richard Kaplan wrote:
> I recently built an inground/outdoor covered pool which I intend to=20
> operate year-round in a fairly cold climate (Pennsylvania).  The pool=20
> has both an electric heat pump and a natural gas heater.
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> I would like to automate the operation of the pool's heating system so=20
> that the automated system can:
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> (1) Change valves between the heat pump and natural gas heater=20
> depending on outside temperature
> (2) Operate the heat pump whenever it is warm outside in order to=20
> efficiently store energy in the pool
> (3) Operate the natural gas heater only when the pool water falls below=
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> a given threshold
> (4) Log data regarding how many hours per day the heat pump and gas=20
> heater operate
> (5) Let me control/monitor the system via an Internet link
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> Any suggestions regarding what system might accomplish this?  I am=20
> particularly interested in a system which can be fairly sophisticated=20
> in terms of the algorithm I may use to decide which heat source is=20
> operational and for how long.
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>=20
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> --=20
> Posted via a free Usenet account from http://www.teranews.com

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