solar hot water panel installation

Posted by Tom Stonehouse on June 11, 2008, 10:56:38 AM

solar hot water panel installation
I was just given 2 20 year old panels. How do I plumb them in? Closed system, on the roof, down to the garage to baseboard heat. What size pump, etc?
Tom
 

Posted by Tom Mayrand on June 12, 2008, 11:53:09 AM

Re: solar hot water panel installation (Reply #1)
Tom, where are you located? If you are in a cold climate a closed loop system utilizing antifreeze is the norm. A heat exchanger tank should be included, if this is the case, for hot water storage. Locate the panels in whatever spot gets the most sun each day and throughout the year. Most times the roof is not the best spot. Standard circulators for heating are usually the norm for these closed loop systems.
 

Posted by Tom Stonehouse on June 12, 2008, 09:01:11 PM

Re: solar hot water panel installation (Reply #2)
Located in Maine. (the sunny southern part)
I'm trying to do without the expense of a storage tank, just passing the heated water thru the baseboard heater in a cold garage to assist in heating the living space above. Would this work?
 

Posted by Tom Mayrand on June 13, 2008, 08:37:06 PM

Re: solar hot water panel installation (Reply #3)
Tom, if you are looking for an easy and cheap way out, use a closed loop with antifreeze. Then you can either use a differential controller to turn the pump on whenever the panels are hotter than the garage. Or just use a manual switch wired to the pump and turn it on manually whenever sun is available. You can incorporate a 110 volt thermostat too if you want to....
 

Posted by Tom Stonehouse on June 13, 2008, 09:36:58 PM

Re: solar hot water panel installation (Reply #4)
Super! Thats just what I needed to know. Thanks for helping!  I can't wait to get the system operational.
tom
 
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