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Max feed rate higher in room temp. than stove temp.

Post in 'The Pellet Mill - Pellet and Multifuel Stoves' started by Justin M, Feb 11, 2013.

  1. Justin M Member

    joined: Dec 22, 2008
    158 posts
    Southbury, CT
    When my Accentra insert is set to maximum setting in room temp. mode I can get pellets to spill over the edge of the burn pot. With the same settings in stove temp. mode they don't come close to the egde. Is this normal? ESP issue? Cleaning the ESP has not changed the results in the past.
    Justin M, Feb 11, 2013
    #1

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  2. DAKSY Super Moderator

    joined: Dec 2, 2008
    3,988 posts
    Averill Park, NY, on Burden Lake II...
    Why would you even set anything other than the blower to MAX? Feed should be 3-4. Stove temp should be fine at around 4-5. Room temp should be around 70. I will admit that all houses are different, but if you're trying to run that insert at MAX all the time, you need additional units or more insulation...
    DAKSY, Feb 11, 2013
    #2

  3. Justin M Member

    joined: Dec 22, 2008
    158 posts
    Southbury, CT
    I do normally run it as you suggested. However I can not properly set the feed rate using the 1 inch rule in stove temp mode. The pellets won't get closer than 2 inches from the edge of the burnt pot, but I have no problem overflowing to burn pot in room temp mode if I tried to. Again, those aren't my settings for normal operation.
    Justin M, Feb 11, 2013
    #3

  4. DAKSY Super Moderator

    joined: Dec 2, 2008
    3,988 posts
    Averill Park, NY, on Burden Lake II...
    Don't get too hung up on that "one inch" rule. As long as your pellets are burning completely, you should be fine. That rule is a guideline & I've found that even the same brand of pellets vary from year to year, so I just let BOTH of my Harmans rip. I have a bud who installed the Accentra Insert last fall & he's been diving himself NUTS trying to get the ashes to one inch. I told him to forget about it & he's finally realized that it's not worth the worry...BTW, we're BOTH burning Cleanfire Hardwoods from www.woodpellets.com. This seasons batch seems to yield more fluffy ashes than in the past & the one inch isn't attainable...
    DAKSY, Feb 11, 2013
    #4

  5. Justin M Member

    joined: Dec 22, 2008
    158 posts
    Southbury, CT
    I have all my setting including my feed rate set so that they work very well for me. But my question still remains: why will my stove feed more pellets at max settings in room temp. mode vs stove temp. mode? My stove runs great the way I run it, but I am just curious why this does occur.
    Justin M, Feb 11, 2013
    #5

  6. Justin M Member

    joined: Dec 22, 2008
    158 posts
    Southbury, CT
    No other guesses? Does anyone else have this occur?
    Justin M, Feb 13, 2013
    #6

  7. SmokeyTheBear Minister of Fire

    joined: Nov 10, 2008
    11,438 posts
    Standish, ME
    You are trying to compare two totally different methods of determining how the stove needs to be fired to get it to temperature and exactly what the set point is. Apples and oranges comes to mind.
    SmokeyTheBear, Feb 13, 2013
    #7

  8. New Hampshire Jim Member

    joined: Jan 28, 2009
    157 posts
    Westville New Hampshire
    Your stove has a brain in It (Computer) When you set It in room temp To lets say #7 90 deg. and the actual room temp is 65 deg. The stove will feed as many pellets into the burn pot as It can to get to the desired room temp of 90 deg.
    Now when the stove is changed over to stove temp It will do the same thing BUT It will achieve the desired temp of the stove quicker as you are only heating the mass of the stove and not the room. It will stop feeding the pellets at the fast rate and only feed enough to maintain the set temp and not send a lot of energy up the exhaust or over fire the stove. At least this is how my Harman Advance works (I think)
    New Hampshire Jim, Feb 13, 2013
    #8

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