Question about Broan-NuTone Best by Broan 36quot; U102 Series Internal or External Blower Hood - U10236

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Best by Broan model IS102 is blowing the air out toward the stove

My IS102 is blowing back toward the stovetop how do i get it to fuction correctly? I just started using it everything else works fine but when I remove one of the screens and put my hand on one of the blowers its blowing back at me not sucking it up. help. Scott

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  • scott976 Jan 26, 2009

    Thanks for responding. There are 2 blowers and on each one side blows out and the other in. When I turn it on I hear a flap open or close above in the duct work so I am assuming the flap is closing when its turned on. I will remove the 2 blowers and see. Thanks

  • scott976 Jan 26, 2009

    Its 1 year old and we just started cooking. It sounds like after both the posts that the flap in the duct work is installed backwards. I will let you a little later. Thanks


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It has an impeller inside. During assembly it might be installed upside down. But before doing any changes check everything with a small napkin. Put screen back turn hood on and place the napkin and see if it doing to the unit or from it. If unit works backward you need to replace the impeller and put it upside down.
Good Luck

Posted on Jan 26, 2009

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The blower (motor)has been installed backwards it is impossible for that motor to run backwards sounds like it was manufactured or installed wrong. How old? Has it ever worked right?

Posted on Jan 26, 2009

  • shockman1157 Jan 26, 2009

    Is something restricting the airflow? Does it vent outside check for air restrictions.

  • shockman1157 Jan 29, 2009

    Both blowers should blow the same dirrection unless there is a recirculating feature on it.


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