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Posted by nicksanspam on March 26, 2007, 10:28 pm
 


... kWh of hot water. Here's a description of Lakeland Electric's
program:

http://www.eere.energy.gov/state_energy_program/case_study_detail_info.cfm/cs_id=4  

And here's a Canadian spec, aussi disponible en francais:

http://cetc-varennes.nrcan.gc.ca/fichier.php/codectec/En/2005-055/2005-055e.pdf  

Nick


Posted by DJ on March 24, 2007, 10:59 pm
 
On Mar 24, 12:28 am, nicksans...@ece.villanova.edu wrote:

Not saying you're wrong, Nick, but I spent alot of years installing
and repairing flow meters and they're touchy and expensive pieces of
kit; especially non-magnetic ones. Knowing the flowrate of the pump
and a simple chip (like the first controller I mentioned) doing
calculations would be much more appropriate for widespread
installations.

DJ


Posted by Christian Kaiser on March 26, 2007, 12:34 pm
 
My system has one, and so far has consistent values for the different pump
speeds (my pump is speed-controlled by the controlling device). How exact
the flow meter is, I cannot know. I just assume the best and use the value
for calculation anyway ;)))

Next, I will measure the teperatures in the store better (3 sensors in 3
heights), and show the energy stored in the bathroom, so that I know whether
there's enough heat to only get a shower, or have the possibility to bathe.



Christian





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