Hi Tom Is your doubling of the HE an rule of thumb or is there a formula?
As to system information. 510 sq ft collector 100,000 btu HE ( main problem I think) 70,000 gal pool Uncovered ( other main problem. ) The problem is that it's not getting the pool warm. Thanks for all the help and advice. Jay Peltz power Sent from my iPhone > On Apr 5, 2015, at 4:56 PM, Tom Lane <[email protected]> wrote: > > Most heat exchangers for swimming pools are designed for boilers delivering > 140F or 190F as a heat source based on the size and/ or the number gallons in > the pool . The solution for a low temperature source like solar in order to > keep the approach temperature low to the flat plate collectors ( and > efficiency high ) is to use either double the number of heat exchangers > recommend for the boiler or using a much larger heat exchanger ( twice the > size required by a boiler for the recommend pool size ) . Make sure you use > a titanium or stainless steel one designed for pool chemicals including salt > water . DO NOT USE EVACUATED TUBES TO HEAT A SWIMMING POOL , ! Use selective > coated flat plate collectors if the ambient air temperature is -20F to 60 F > when you are heating an indoor swimming pool to less than 95F . Quality Pool > Manufacturing , Aico , Triangle Tube , and Spirec are among many who make > heat exchangers for swimming pools suitable for the high flow rates required > by s ol > ar systems . GatorTom PS : yes they can be used for heating water for > alligator farms . > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Redwood Alliance List Address: [email protected] Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://www.mail-archive.com/[email protected]/maillist.html List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out or update participant bios: www.members.re-wrenches.org
