Page 262 - HVAC Pump Handbook
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Rishel_09.qxd 20/4/06 6:34 PM Page 259
Configuring an HVAC Water System
Configuring an HVAC Water System 259
Figure 9.8 Friction losses for a pumping system.
difficult to select the most efficient pump add points without a com-
puter program similar to the energy programs that will be described
in Chap. 10. In this example, the pump add/subtract points in Fig.
9.8c were set arbitrarily at 800 gal/min for each pump. This is not
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