Fwd: RE: re-circulation line

Erik,

It is common practice in building services pipework for chilled water to have an open bypass between feed and return lines. The idea I think is that when chillers come on and off line the water bypasses without waterhammer. Pumps run continuously to reticulate chilled water to services even though the chillers are off line. The water temperature remains in its upper and lower bands. WHen the temperature rises chillers seemlessly come on line.

Perhaps someone with more experience in this industry could elaborate.

Geoff Stone

Note: forwarded message attached.

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[Non-text portions of this message have been removed] Received on Wed Oct 19 18:09:00 2005