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  1. #1
    pipefighter's Avatar
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    Powerlink inside Hussman Protocol



    Hello everyone, this is my first post. Hopefully I have put this in the right section, if not, please redirect me.

    Here is my question -- I am doing start up on a Hussmann Protocol for a smaller sized market. I have started these up before, but they used to use contactors for the electric defrost from the CPC boards for the coils. Now they are using a new technology I have not seen before. It is called Powerlink, and it looks to be switching polarity to run the defrost, I could be way off, I am really not sure.

    Was hoping someone has had some experience with this.

    Thanks,

    Ryan



  2. #2
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    Re: Powerlink inside Hussman Protocol

    Hope this helps.

    ELECTRIC DEFROST
    2. When the defrost relay is energized the POWERLINK™ breakers will receive a momentary charge or pulse from a capacitor in its POWERLINK™ Power Supply (PPS). The energized motor moves a push/pull rod similar to what might be found in a manual switch. A slight delay between the control circuit demand and the POWERLINK™ response will be noticed. This pulse switches the POWER- LINK™ such that the heaters are now energized. At the termination of defrost, the PPS will receive another pulse, causing the POWER- LINK™ to switch off.
    ...and she said "give it to me you big fridgie"

  3. #3
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    Re: Powerlink inside Hussman Protocol

    not answering yr question but a question to 750 valve this power link from a capacitor does it pre charge the heaters so there is no voltage drop and less of an amp surge to the heaters when they start ? or does the capacitor charge and then when heaters are hot does it maintain the heater until the defrost finished so you dont have a large energy usage on heaters ? love the signature lol
    I can fix broke but I cant fix stupid :)

  4. #4
    Brian_UK's Avatar
    Brian_UK is offline Moderator I am starting to push the Mods: of RE Site Moderator : and general nice guy
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    Re: Powerlink inside Hussman Protocol

    Hussman manual has some detail/diagrams in section 4-21, page 55 of this pdf file...

    http://www.hussmann.com/Discontinued..._Discon_im.pdf
    Brian - Newton Abbot, Devon, UK
    Retired March 2015

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    Re: Powerlink inside Hussman Protocol

    Off topic - needed removing
    Last edited by chillerman2006; 08-09-2011 at 03:49 PM.
    If the World did not Suck, We would all fall off !

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    Re: Powerlink inside Hussman Protocol

    thanks brian its all clear now its a very complicated 2 second time delay switch with extra posh low voltageness i worked for hussman for a few years and have never seen one thanks again
    Quote Originally Posted by Brian_UK View Post
    Hussman manual has some detail/diagrams in section 4-21, page 55 of this pdf file...

    http://www.hussmann.com/Discontinued%20Tech%20Info/Protocol_Discon_im.pdf
    Last edited by Brian_UK; 08-09-2011 at 11:25 PM.
    I can fix broke but I cant fix stupid :)

  7. #7
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    Re: Powerlink inside Hussman Protocol

    We have an auction coming up Nov 5th in Lexington KY with 4 used Hussmann Protocol units and several late maodel cases, and another auction Nov 12 of a complete grocery store should anyone need some good used refrigeration equipment links are below, Thank you

    Nov 5th Lexington, KY link
    http://www.globalauctionguide.com/cg...num=1316991785

    Nov 12th Nashville, TN link
    http://www.globalauctionguide.com/cg...num=1316992424

    or see our website www.taylorauction.net

    or www.auctionzip.com our ID is 1680

  8. #8
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    Re: Powerlink inside Hussman Protocol

    Your post is Excellent guy.

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