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Thread: Glycol chiller sizing help

  1. #1
    Join Date
    Jan 2013
    Location
    Exeter, RI USA
    Posts
    17

    Glycol chiller sizing help

    We're adding two new 15 bbl unitanks and need to get a second chiller for these tanks. We currently have a 1/2 HP chiller running our 7 bbl tanks and could potentially get a chiller big enough to handle our three existinf 7 bbl tanks plus the two new 15 bbl tanks. Any sizing recommendations for:

    1) Two 15 bbl tanks (or)
    2) Two 15s plus three 7 bbl tanks?

    Nothing else (HEX, coolers, etc.) would be running off this.

    Thanks!

    Sent from my LG-K550 using Tapatalk

  2. #2
    Join Date
    Oct 2002
    Location
    Chesterfield, UK
    Posts
    1,604
    A calculator I have gives me the following

    15 US brl (1760 litres) to cool at 1 deg C / hr requires about 2.2 kwh

    Top heat cooling required = approx. 0.4434 kwh assuming 48 deg SG (12 deg P) over 60 hours)

    1 kwh = approx. 1.341 HPh

    So now you can mix and match the volumes at top heat and cooling to determine your peak loading. These values don't take into account any heat gain or loss due to (lack of) thermal insulation.
    dick

  3. #3
    Join Date
    Jan 2013
    Location
    Exeter, RI USA
    Posts
    17
    Great, thanks for the help.

    Sent from my LG-K550 using Tapatalk

  4. #4
    Join Date
    Jan 2017
    Location
    Massachusetts
    Posts
    4
    Hey Hop Farmer,

    I'm up in MA working on getting a 6.5 BBL system. I am looking to run 2-3 7 bbl unitanks. Could you tell me more about your current 1/2 HP chiller?

    Steve


    Quote Originally Posted by Hop Farmer View Post
    We're adding two new 15 bbl unitanks and need to get a second chiller for these tanks. We currently have a 1/2 HP chiller running our 7 bbl tanks and could potentially get a chiller big enough to handle our three existinf 7 bbl tanks plus the two new 15 bbl tanks. Any sizing recommendations for:

    1) Two 15 bbl tanks (or)
    2) Two 15s plus three 7 bbl tanks?

    Nothing else (HEX, coolers, etc.) would be running off this.

    Thanks!

    Sent from my LG-K550 using Tapatalk

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