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wood furnace modification

Post in 'The Inglenook' started by ckaudio1, Nov 29, 2009.

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  1. ckaudio1

    ckaudio1 New Member

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    I aquired a US Stove Co hot shot 1400 series with two seasons of use on it for a trade....... so nothing into it money wise, so why not make it better? I removed the twin factory blowers rated at 6.8 amp for the pair and installed a lennox ecm variable speed blower motor ( full running cfm and pulling only .40 amp now.) I
    'm not finished with the install yet as far as tying in the return air and do not have the humidifier pictured yet. For controls I'm using a lennox g61v 2-stage variable speed furnace control board and am using the cooling circuit. The fan limit is now converted to 24 volt and the humidifier powered by the 24 volt y/c coolong circuit. I'm running two stages of air speed with this setup and the ability to run low cfm constant fan.

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  2. ckaudio1

    ckaudio1 New Member

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    A few more pictures

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  3. ckaudio1

    ckaudio1 New Member

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    last one for now

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  4. ckaudio1

    ckaudio1 New Member

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    This is what the stove looked like before I started the modifications. An actual plenum is on top now rather than just two round 7" pipes tying tino ductwork.

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  5. Cowboy Billy

    Cowboy Billy Minister of Fire

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    Awesome Mod CK!

    I have a Johnsons energy system furnace that looks just like it. I need to do the same thing. I have been complaining for the last two years how much those little inefficient blowers raises my electric bill.

    Billy
  6. ckaudio1

    ckaudio1 New Member

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    Thanks Billy, I'll post some more pics as the progress continues plus some more inbetween pics that I left out. One nice thing about the new setup is that it is whisper quiet while running unlike the older twin ac blowers.
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