Primary-only vs. primary-secondary variable flow systems


States that several articles over the last several years have extolled the virtues of primary-only variable flow chilled water pumping systems compared to the conventional primary-secondary pumping system. One article even predicts the demise of primary-secondary systems. Argues that, while there is no question that the primary-only systems has many advantages, the primary-secondary system may still be preferable for some applications.

Primary Author(s): Taylor S T

Source: ASHRAE J., February 2002, vol.44, no.2, 25-29, 3 figs, 7 refs.

             BSRIA Abstract Doc 000103250 Abs 20020382

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