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bronco

May 29, 2013, 4:15 PM

Post #1 of 9 (18220 views)

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solar heated pool question

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my friend has a solar heated pool. by the time it reaches 3pm, the pool is more like a hot tub. not always possible to use in the summer. can he stop the heat?



johanson


May 29, 2013, 4:57 PM

Post #2 of 9 (18206 views)

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Re: [bronco] solar heated pool question

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Sure just turn the switch off. Its that simple. The switch you say? :) Yes, the switch that controls the pump that runs that water through the solar panels.

If there is a little solar induced circulation, also turn the valve off near the pump, something, I've never needed to do.


CanuckBob


May 30, 2013, 10:40 AM

Post #3 of 9 (18146 views)

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Re: [bronco] solar heated pool question

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There is almost always a bypass valve for the solar syatem and if not it is very cheap to have a bypass installed.

Bob
Inside Lakeside
http://www.insidelakeside.com


DavidHF

May 31, 2013, 5:15 AM

Post #4 of 9 (18086 views)

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Re: [bronco] solar heated pool question

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Put a timer switch on the pump.


bronco

May 31, 2013, 10:02 AM

Post #5 of 9 (18057 views)

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Re: [DavidHF] solar heated pool question

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i will tell my friend to see this forum. what is the cost of a timer switch, where does he get it, what is the cost?


sparks


May 31, 2013, 10:15 AM

Post #6 of 9 (18055 views)

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Re: [bronco] solar heated pool question

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Pool supply store?

Sparks Mexico Blog - Sparks Costalegre


GringoCArlos

Jun 2, 2013, 8:34 PM

Post #7 of 9 (17937 views)

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Re: [sparks] solar heated pool question

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The trouble with shutting off the panel with a valve is that water remains in the pipes. If there isn't a pressure relief valve and it heats up enough, the water will expand or turn into steam and possibly blow out a joint/connection to relieve the pressure inside.

Unlike a photovoltaic panel, your friend can just put a white covering over all or part of the panel to avoid heating up the water inside the panel. A tarp or a sheet of plywood painted white would work.


johanson


Jun 2, 2013, 10:03 PM

Post #8 of 9 (17927 views)

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Re: [GringoCArlos] solar heated pool question

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That is why you turn only one valve off, not two. That way, when any extra anything wants to leave it can. I have had hot water panels and photo-voltaic panels for years and have never had problems with pressure buildup. Oh yes, I either have only one valve closed or a pressure relief valve when necessary when talking about expanding water, or often steam.


Avispa

Jul 17, 2013, 10:52 AM

Post #9 of 9 (16782 views)

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Re: [bronco] solar heated pool question

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In Florida we run the pool pump at night to keep the temp lower in the summer. The radiative heat transfer reverses at night.
 
 
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