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Thread: ddc control

  1. #1
    Join Date
    Jan 2005
    Location
    Florida Keys
    Posts
    43
    regarding ddc control,what does analog mean, why is it sometimes used instead of digital control.

    what does digital mean, why is it sometimes used instead of analog, what would be the advantage of one over the other.

    would appreciate any replies.

  2. #2
    Join Date
    Apr 2005
    Location
    Perth, Western Australia
    Posts
    107
    Try this link and all will be explained for you.

    http://www.ddc-online.org/

  3. #3
    Join Date
    Nov 2004
    Location
    Practically Canadian ehh.
    Posts
    675
    That is a great link.

  4. #4
    Join Date
    Apr 2005
    Location
    Perth, Western Australia
    Posts
    107
    Yeah, I use parts of it for the in-house training of our techs, which disspells some of the apprehensions HVAC techs seem to have when encountering systems with controls more sophisticated than the trusty old "Penn Stat" on the wall.

  5. #5
    Join Date
    Jan 2005
    Location
    Florida Keys
    Posts
    43

    ddc control

    thanks for the replies i will check out the web site that you suggested.

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