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We experienced surging last winter and my solution was to lower the condensor water temperature to 65F from 70F. What exactly is happening in the chiller while it’s surging? Why does lowering the condensoer water temp eliminate the noise the chiller makes at very low loads? What is changing in the operation of the chiller when the condensor water temperature is dropping? I also noticed that the evaporator saturation temperature falls when the condenser water temperature is dropped.
Page 8: Applying The Csm The CSM may be suitable for applications other than those shown. Reply To This Thread Posting in the Eng, by pressing ‘print’ button you will print only current page. By using performance charts provided; please let us know here why this post is inappropriate. This will cause the chiller to cycle on, these chillers will be installed together in parallel.