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Thread: intercom system

  1. #1
    Join Date
    May 2004
    Location
    Malden Mass
    Posts
    376
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    intercom system

    Hello gentlemen,
    I have questions regarding an older apartment intercom system.
    While installing HVAC ducts, equipment, etc., my guys must have disturbed the old intercom wires on a
    3 unit brownstone in Boston.
    The wiring is low voltage, old and brittle.
    I found a 16 volt transformer burnt out. Found the wires connected to the transformer were shorted further up. I fixed the wires and replaced the transformer but
    the intercom system still doesn't work.
    I have attached a plan that I think is similar to what I am dealing with but I cant find the controller (Af-1000 as shown in the diagram) which all the wires should terminate to.
    Can anyone point me in the right direction?
    Thank you.
    Attached Images Attached Images

  2. #2
    Join Date
    Nov 2006
    Location
    Southeastern Pa
    Posts
    31,510
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    I would contact these folks who make the module.

    http://www.intercom-parts.com/AF1000...Amplifier.html
    [Avatar photo from a Florida training accident. Everyone walked away.]
    2 Tim 3:16-17

    RSES CMS, HVAC Electrical Specialist
    Member, IAEI

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  3. #3
    Join Date
    Mar 2013
    Location
    Billington Heights, NY
    Posts
    21,628
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    the panel is usually in an equipment room, closet or storage area. you cant follow the wires to... X ?

  4. #4
    Join Date
    Dec 2016
    Location
    Central Ohio
    Posts
    102
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    Who makes it?

    Sent from my SM-N915T using Tapatalk

  5. #5
    Join Date
    May 2004
    Location
    Malden Mass
    Posts
    376
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    Thread Starter
    Hello gentlemen,
    Never found the controller but I found two wires that were giving me problem.
    Thanks for the help.

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