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  1. #1
    Join Date
    Oct 2010
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    lennox unit with prodigy control

    I am an air balancer
    I am trying to set outside air on a 7,5 ton unit
    The engineer want 30% OA at all times to make up the for the exhaust air
    I can get to the right area to set the MOAD, but it wants me to set the low speed % and high speed % but the unit is belt driven

    Did the service tech set up the unit wrong?
    Or I am just do something wrong

  2. #2
    Join Date
    Dec 2004
    Post Likes
    It's a mistake in the Prodigy display design.

    You just need to set High Blower Speed Min Position %. The low speed setting is not used in a 7 1/2 ton.

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