Solar thermal connection to Burnham V73

WildBlue · November 2012

Want to optimize solar thermal hot water with Burham oil-fired boiler; thoughts on where to connect; from thermal storage to boiler; from thermal collector to boiler to thermal storage... I would like to use the boiler as backup for hydronic heating; using the solar hot water first domestic hot water and second for heating. I'm thinking that if I could keep the water temperature in the hydronic system constant at say 100-120 F ambient would stay constant, boiler would be used less. Any and all thoughts welcome please...

Charlie from wmass · December 2012

Use a buffer tank

pipe the heat sources in and out through the buffer tank and apply proper controls.

hot_rod · January 2013

a number of ways to do that

do you make DHW with the boiler now? Unless you have a fairly large array, and some low temperature heat emitters, you may not get much solar contribution, to the heating system.

You could run a solar simulation and determine how much collector area would provide how much energy in your location.

But DHW pre-heat is a good year 'round use for solar.

Here is a book full of piping options for solar combi systems.

http://www.caleffi.us/en_US/caleffi/Details/Magazines/pdf/idronics_6_us.pdf

Solar thermal connection to Burnham V73

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