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  1. #1
    Join Date
    Mar 2009
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    Chilled Water Buffer Vessel Sizing



    Apologies if this has been covered before but I couldn't find the answer I was looking for on the forums:

    I have a supermarket application using direct secondary cabinets and water chillers. The total chiller capacity is 380kW. There wil be two chillers (190kW each), each with 4 compressors. The fluid is 30% prop glycol with flow and return temps of -6/0C.
    The shop floor cabinets (around 60 in number) will each have a bypass valve arrangment when cooling is not required.

    My first question is do I need a buffer vessel and secondly how do I size it if I do?

    Any help would be very much appreciated.

    Thanks



  2. #2
    Join Date
    Jun 2011
    Location
    Australia
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    Re: Chilled Water Buffer Vessel Sizing

    Rule of thumb.

    Capacity of refrigeration, 380kw, multiply by magic number 6 equals 2280 litres of storage.

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