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Hampton GC60 - too much draft?

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by JF123, Nov 19, 2012.

  1. JF123

    JF123 New Member

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    On the magnahelic, I'm showing .17-.18. I've got the damper fully closed...so much so right now that I can't even tighten the screw down because the damper slide is in the way.

    And the flame definitely seems a little agressive...like a little lazier would be better.

    I've screwed around with the combustion fan settings with minimal results. I've got the auger plate lifted, so I'm now getting good flame and heat, but I feel like dropping the pressure a couple notches would be preferable. Manual says 0.15 - 0.17.

    Any input is appreciated.

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  2. jtakeman

    jtakeman Minister of Fire

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    What heat range are you setting it up in and how long did you wait(how long did it run before connection gauge)?
  3. JF123

    JF123 New Member

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    I started out with the combustion trim and feed trim at 3, heat level 5. I let it run like that for an hour, and took my measurements...and then screwed around with the damper, combustion trim and feed trim for the next couple hours, with heat level remaining at 5.

    Then I turned it down, posted this question, and went to bed. :)

    Thanks again...and thanks for the info on the t-stat on my other thread/question.
  4. jtakeman

    jtakeman Minister of Fire

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    Sounds like you did it proper, I know it needs to warm up for a while before it settles down. Maybe another member that ones one can chime in. Location could also be an issue?
  5. JF123

    JF123 New Member

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    As far as location and venting, the stove is on an outside wall, with a 24" length of Duravent going straight horizontal out of the house, with a standard cap on the end. The location is somewhat protected...not particularly windy or anything like that.

    If I don't have any luck beforehand, maybe I'll shut the stove down for a little while over the holiday and see what the pressure reading are like without the stove running. Maybe the system has some natural drafting that's causing the increase? Seems unlikely with just a 24 inch pipe coming out the back of the stove, though.
  6. SmokeyTheBear

    SmokeyTheBear Minister of Fire

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    Where are you taking your reading from?
  7. JF123

    JF123 New Member

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    There's a pre-drilled hole in the ash pan for this purpose, according to the manual.

    My gauge is brand new, and I've got it mounted well. It could certainly be off a tiny bit, though. If my flame looked perfect, I would've just let it go, but the flame just looks a bit overdrafted to me, at least compared to the good flame in this video.



    Maybe I'll take some video of it when I get home from work tonight and see what you guys think.
  8. SmokeyTheBear

    SmokeyTheBear Minister of Fire

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    There is a very old saying when playing with dampers sometimes you go in the wrong direction or make too fast an adjustment and overshoot the sweet spot and don't realize it.

    Try starting with the damper open about a 1/2" and try for the lower of the preferred range. Adjust no more than an 1/8" at a time and wait 10 minutes between the adjustment and judging the flame or taking a reading.
  9. JF123

    JF123 New Member

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    I'll do some more tinkering when I get home tonight and see if I can find that sweet spot. Thanks guys. I'll let ya know how I fare.
  10. JF123

    JF123 New Member

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    Loc:
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    So last night I cranked her up to 5 for a while and took some more readings. Interestingly, it consistently read 0.16, and the flame looked better. Not sure why, as I didn't change anything, but I guess I'll take it.

    Definitely gonna keep an eye on it, though.

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