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snow melt

Paul S_3
Paul S_3 Member Posts: 1,257
I will be doing a snow melt install....btu load is 81,225 btu/h....sqft load is 95....water temp 115f....surface temp designed for 40f...6 5/8" loops 200ft each....my question is about the heat exchanger....can I use a basic braze plated heat exchanger....the type similar to the one used for condensate heating off a steam boiler? Thanks Paul s
ASM Mechanical Company
Located in Staten Island NY
Servicing all 5 boroughs of NYC.
347-692-4777
[email protected]
ASMHVACNYC.COM
https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company

Comments

  • hot_rod
    hot_rod Member Posts: 15,070
    edited November 2013
    sure

    and the manufacturers have online sizing guides, or contact the local rep for sizing help.
    Bob "hot rod" Rohr
    trainer for Caleffi NA
    Living the hydronic dream
  • Ironman
    Ironman Member Posts: 6,608
    Sure

    Just make certain you size it right. If you look at the manufacturer's specs, you'll see that the btu rating is with a very high delta T and would usually apply to heating domestic. As the delta T between the loops narrows, the btu rating drops. Make sure you have all of your calculation data available when sizing.



    Looking at the numbers you've provided, I'd say off of the cuff that you need at least a 20 or 30 plate 5x12. Over sizing won't hurt at all and will actually lower the head loss through the heat ex.



    Taco has a program that will calculate the size you need.
    Bob Boan
    You can choose to do what you want, but you cannot choose the consequences.
  • Paul S_3
    Paul S_3 Member Posts: 1,257
    delta T

    I believe the design for the snow melt system is 25f....where can I find these sizing charts?TACO.com?.. .
    ASM Mechanical Company
    Located in Staten Island NY
    Servicing all 5 boroughs of NYC.
    347-692-4777
    [email protected]
    ASMHVACNYC.COM
    https://heatinghelp.com/find-a-contractor/detail/asm-mechanical-company
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