Page 241 - HVAC Pump Handbook
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Rishel_CH08.qxd 21/4/06 6:16 PM Page 238
The Use of Water in HVAC Systems
Multiple- duty valves
Three-way valves Constant speed
Balance valve Crossover bridges Return valves Multiple-duty valves Secondary pumps, constant speed Primary pumps, constant speed Constant flow four-zone system.
Coils Chiller
Multiple-duty valves Chiller Chiller Figure 8.11
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