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DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

DOE-2 Reference Manual Version 2.1 - DOE2.com

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ELEC-INPUT-RATIOThe electric input to nominal capacity ratio is expressed asratioelectric power input to electric auxiliaries (Btu/hr)= nominal capacity of equipment being defined (Btu/hr)This entry should include the electric power to move andcontrol the working fluid flowing through the equipment plusthe primary power input to the equipment itself. For anabsorption refrigeration chiller, the electric power inputto the refrigerant circulator must be considered. Similarlyfor a fossil-fueled boiler, the electric power input to theboiler draft fan and stokers must be considered. However,when defining the ELEC-INPUT-RATIO for this equipment, theuser should ignore the electric power delivered to the hot,chilled, and condenser water pumps (see PLANT-PARAMETERS).The cooling tower fan power is based on the tower size andTWR-FAN-ELEC-FTU (see EQUIPMENT-QUAD) or the value ofELEC-INPUT-RATIO, if specified •. The pumping energy associated with the storage tank iscalculated as the ELEC-INPUT-RATIO times the maximum of theCOOL-STORE-RATE, HEAT-STORE-RATE, COOL-SUPPLY-RATE, andHEAT-SUPPLY-RATE.V.20 (Revised 5/81)

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