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  1. #1
    DaveD
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    Default Old ITR 24v wall clock.. want to get it running

    Greetings,
    I have a old International Time Recording wall clock that runs on 24vDC. I would like to get this running however this is a 3 wire motor, and I don't know what wires go to what. Can I get a 24v dc transformer to run this.. if so how do I hook up the wires.
    Here is a picture of the motor
    http://home.stny.rr.com/davesclocks/DSCF0007.JPG
    thanks,
    Dave

  2. #2
    Forums Administrator harold bain's Avatar
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    Default Old ITR 24v wall clock.. want to get it running (RE: DaveD)

    Hi Dave. What you have is a slave clock that requires a master clock to impulse it once a minute. It appears to have a Simplex movement in it, so it is not totally original. If you google Brian Mumford, he sells timers designed to run clocks like yours.
    Harold
    harold bain, Member ch 33
    "If it won't "tick",
    let me "tock" to it"

  3. #3

    Default Old ITR 24v wall clock.. want to get it running (RE: DaveD)

    I'm a newby and haven't actually worked on a slave clock, but it appears that your 24 volts will be the two wires on the reddish part of the photo and the other "mystery" wire will get it's power from the master.

  4. #4

    Default Old ITR 24v wall clock.. want to get it running (RE: DaveD)

    Dave,
    You also might want to post this in the "early electric clocks and watches" forum.

  5. #5
    Forums Administrator harold bain's Avatar
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    Default Old ITR 24v wall clock.. want to get it running (RE: DaveD)

    SB, there is no constant voltage to this clock. It impulses for 2 seconds every minute. The third wire is for hourly correction from the master clock, which also supplies the minute impulses. No master clock impulses, no run. There is no motor, only an impulse solenoid.
    Harold
    harold bain, Member ch 33
    "If it won't "tick",
    let me "tock" to it"

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