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  • glycol chilling and temperature control to solenoid ques...

    Im kinda confused on the electrical setup of the glycol cooling system. What is to be wired to what? chiller, temperature control device, solenoid... i gather that the temperature control device reads the temp of the contents in the fermenter. The temp control device then, based on a preset temp, would trigger the pump of the chiller to push glycol into the jacket of the fermenter and open the solenoid until the temp reaches the preset temp... does the temp control devise plug into the solenoid as well as the chiller unit itself? New to this process and having trouble wrapping my head around this part of the process. any info, pics, guidance is much appreciated! thanks

  • #2
    Depends on how your setting up your system. Most glycol systems have a bypass and constantly pump cold glycol from the chiller through the lines. The temp controller is only wired to the solenoid (usually a normally closed one) so that when temp exceeds the set point power goes to the valve and allows glycol to flow to the tank.
    Manuel

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    • #3
      There typically is no tie in to the actual chiller system from your cellar tank controllers- except people who may include an interlock to shut off the chiller pump in the event that all of their vessels are off and not requiring cooling.

      The individual tank controllers will, as you (and Manuel) said, monitor the product temperature in the tanks, opening and closing the solenoid, or actuated, valve when product reaches or exceeds the desired setpoint.


      You may have read this post- it has one of the best, and simplest, explanations of how you want to setup your glycol loop.




      This is a general article I wrote many years ago for this site with some good information on glycol systems. There's some piping illustrations, etc. that might be helpful.

      The following article was originally published on April 24, 2014. It has been reviewed and updated as necessary by the ProBrewer editorial staff.  Other related resources on ProBrewer: Refrigeratio…



      Good Luck,

      Jim VanderGiessen
      Pro Chiller Systems
      jimvgjr@prorefrigeration.com

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