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Recent content by DJDatHTL

  1. DJDatHTL

    Sequencing VSD and constant speed chillers

    We have an existing central utility plant consisting of two York 1500-ton constant speed centrifugal chillers and a side-car arranged plate & frame heat exchanger (750-ton). There are VFD pumps on both the primary and secondary chilled water systems (which are de-coupled) and constant speed...

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