5.5 : Thermal Distribution Systems




5.5.5 Typical Commercial Building Thermal Energy Distribution Design Load Intensities (Watts per SF)
Distribution System Fans Other
Central System Supply Fans 0.3 - 1.0 Cooling Tower Fan 0.1 - 0.3
Central System Return Fans 0.1 - 0.4 Air-Cooled Chiller Condenser Fan 0.6
Terminal Box Fans 0.5 Exhaust Fans (2) 0.05 - 0.3
Fan-Coil Unit Fans (1) 0.1 - 0.3 Condenser Fans 0.6
Packaged or Split System Indoor Blower 0.6
Pumps
Chilled Water Pump 0.1 - 0.3
Condenser Water Pump 0.1 - 0.2
Heating Water Pump 0.1 - 0.2
Note(s): 1) Unducted units are lower than those with some ductwork. 2) Strong dependence on building type.









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