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    Damper modulation

    Guys, does anyone know how to modulate dampers so that they can go from 0-100%? The only thing I've seen are dampers that can be either opened or closed. My current system, the Unity System Home Manager can go from 0-100% but I have yet to find any other system that can do this. Thoughts?

    #2
    If you are a DIY type you might could position the dampers using servos.
    Why I like my 2005 rio yellow Honda S2000 with the top down, and more!

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      #3
      I don't know about the unity system, but typical lower-cost electrically-controlled dampers are controlled with a ON/OFF discrete. It may be possible to modulate the flow over time, but you will not be able to achieve a steady-state 30% open unless you go to something like zoomkat suggested.

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        #4
        Originally posted by zoomkat
        If you are a DIY type you might could position the dampers using servos.
        Thank you for the advice. Servos are not something I am familiar with. Can someone please direct me to a good info source on this subject. Thank you for your help.

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          #5
          Check this site
          http://www.resconsys.com/products/dampers/3wire.htm

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            #6
            The servos are usually used in RC boats and airplanes. Most are small, but there are also some large ones. They have geared motors that generally can rotate up to 180 degrees with usually 255 descrete positions. They are controlled via a servo controller, which is controlled via the serial port. A lot would depend on how your current dampers work and how hard they are to operate. Below are some simple setups I've made for fun using the servos.

            http://www.geocities.com/zoomkat/cam.htm
            http://www.geocities.com/zoomkat/blindtilt.htm
            http://www.geocities.com/zoomkat/t-stat.htm
            Why I like my 2005 rio yellow Honda S2000 with the top down, and more!

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              #7
              If you look at the bottom picture, you will see a standard damper with a Servo connected to it. Maybe this will give you an idea how to connect them up.


              http://diy-zoning.sourceforge.net/Ho...s/teasers.html

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                #8
                Automated Outlet will be carrying a line you might want to glance at HERE .
                --------------------------------------------------
                **** Do You "Cocoon"? ****

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                  #9
                  Yes, we do carry the three wire dampers but they all aren't on the website yet. Please feel free to email us with your specific requirements.

                  Thanks,

                  Martin
                  Martin Custer

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                    #10
                    Thanks for the info, guys. I really appreciate it.

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