HELP! Plumbing Closed loop wood boiler to indoor boiler

Jcc583 Posted By Jcc583, Nov 30, 2018 at 6:31 PM

  1. Gasifier

    Gasifier
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    Apr 25, 2011
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    Is there a mixing valve somewhere? Is it possible it is not installed in the right direction?
     
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  2. Jcc583

    Jcc583
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    Nov 30, 2018
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    This design is exactly as the simplest pressurized storage sticky.
     
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  3. Jcc583

    Jcc583
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    Nov 30, 2018
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    Everything is correct, I believe air lock was the issue.
     
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  4. Gasifier

    Gasifier
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    Apr 25, 2011
    3,178
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    Loc:
    St. Lawrence River Valley, N.Y.
    Hope you got it. Keep us up to date!
     
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  5. Jcc583

    Jcc583
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    Nov 30, 2018
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    I’ll get it, I’ve come to far not to! I appreciate the encouraging words!
     
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  6. maple1

    maple1
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    Sep 15, 2011
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    Where is it?
     
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  7. Jcc583

    Jcc583
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    Nov 30, 2018
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    2F900C1A-9BA8-4559-8342-16BC41AFA542.jpeg BFDB6F15-096C-466F-A844-5E39EE74AF19.jpeg 08E6234F-3972-4D7F-A96C-6AF75BEED135.jpeg A872DD38-786C-40C3-BFF1-E4820E74E737.jpeg B7055469-BDCF-4DBF-BD65-E7F6CCEF3D5D.jpeg
     
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  8. Jcc583

    Jcc583
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    Nov 30, 2018
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    F1BB4F2C-920D-4E10-AAD8-F6FDDB77D2B0.jpeg
    Tees corrected.
     
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  9. maple1

    maple1
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    That's not in a good spot.
     
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  10. Jcc583

    Jcc583
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    Nov 30, 2018
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    Why’s that? I was told by the manager of maintenance/ammonia/hvac it was the best. Our hole process is ran by boilers. “Chobani” Pumps on returns create air bubbles that just grow. What makes you feel mines incorrect? Thanks.
     
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  11. maple1

    maple1
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    If you want it there it should have an air scoop upstream between it and the boiler outlet, and the expansion tank should also be tied in at that scoop.

    Getting ahead of yourself again. Need to start at the basics. :)
     
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  12. maple1

    maple1
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    My circs are all down low. No issues. Not sure what you mean by bubbles growing. Primary principal: the circ needs pressure at its inlet. Yours is at the highest (lowest pressure) point in the system with no way to get air out.
     
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  13. Jcc583

    Jcc583
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    Nov 30, 2018
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    His concept was on the supply it can push the air out, when on return there’s lots of turbulence and air bubbles just grow not being pushed. I understand what your saying 100% thanks!
     
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  14. maple1

    maple1
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    Sep 15, 2011
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    I'm no pro but that makes no sense to me. And in that high spot there is nowhere for the air to go.
     
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  15. Jcc583

    Jcc583
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    Nov 30, 2018
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    I’ll speak with him again to clarify. Our processing and pasteurization is all ran by boilers, making yogurt is high tech now lol super impressive! I’m no expert either! Thanks again.
     
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  16. Jcc583

    Jcc583
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    I may be exp
    I May be explaining wrong to.
     
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  17. maple1

    maple1
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    Sep 15, 2011
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    Also, you really should have a thermostatic valve in place to keep wood boiler return above 140. Especially with a conventional ( dirty) boiler. If there were some kind of issues from trying to use it chances are it wasnt causing them rather issues were caused by improper installation. What kind of valve is it? You migh need a throttling valve on the bypass leg. And make sure it and circulator are installed right.

    Then there is your other bigger storage tank and why it caused issues? More untold story there, because it shouldn't have. And your pics of your expansion tank show it tied to that bigger tank. Which I dont think is tied in anymore? So where is it tied to now? More untold things. Then there is the exercise of setting system pressure and corresponding expansion tank precharge.
     
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  18. Woodman1

    Woodman1
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    Jan 15, 2018
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    And why did you have a run away boiler that allowed the water to get past 220? With only 150 gallons of storage that boiler will be idling a lot. You need to have it set at 180 or lower until you get things straightened out
     
  19. Jcc583

    Jcc583
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    The larger storage tank leaked. And the expansion is hooked into smaller tank now.
     
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  20. maple1

    maple1
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    Sep 15, 2011
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    We dont know what kind of boiler it is so not sure its heat generating potential. Plus the underground piping isn't the best stuff but it might be adequate. But definitely also consider over heat things yes. Another aspect to address. No dumping ability in place. And the controls should have knocked the edge off the burn earlier. Yet more basics to sort.
     
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  21. Bad LP

    Bad LP
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    Nov 28, 2014
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    The return line up at the bottom of the floor joists.
     
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  22. TCaldwell

    TCaldwell
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    Oct 26, 2007
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    I suspect you could reach out to nofossil, the author of the sticky. He’s not the easiest to reach but you could try nofossil.org or vesta controller.
     
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  23. salecker

    salecker
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    Aug 22, 2010
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    My main circ for the wood boiler is also at the highest point in the hot supply line to storage,never any problems. In fact one hydronic specialist commented to the fact that i had wisely put the circ at the highest point.The circ that supply's my plate heat ex-changer which supply's the house is at the same height and no issues with it either.
    You do need boiler protection,i use a near boiler pump instead of a mixing valve,no problems with it either.
     
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  24. Jcc583

    Jcc583
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    Nov 30, 2018
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    It’s a add on wood boiler with a small amount of internal storage. I think maybe 60 gallons. So if not circulating correctly it will over heat unless you maybe had built a small fire.
     
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  25. Jcc583

    Jcc583
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    Nov 30, 2018
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    I’m addressing my air issue and my plumbing to storage and feel confident aswell. Thank you for your positive re enforcement.
     
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