Table 43: Variables for Ventilation Fans Term Unit Values Source , Quantity of the standard Based on customer EDC Data None efficiency fans application Gathering , Quantity of high efficiency fans Based on customer EDC Data None that were installed application Gathering Based on customer EDC Data , Efficiency of the standard application Gathering efficiency fan at a static pressure of 0.1 inches water Default values in Table 44 1 , Efficiency of the high efficiency Based on customer EDC Data fan at a static pressure of 0.1 application. Gathering, 2, 3 inches water Default values in Table 44 1, 2, 3 Based on customer EDC Data application. Gathering, 2, 3 , Efficiency at a static pressure of Default values in Table 44. If 0.1 inches water for the installed fans controlled by the thermostat fans were not replaced, use the default values for. If fans 1, 2, 3 were replaced, use the default values for . Based on customer EDC Data , operating hours per year of the application Gathering Hours fan without thermostat Default use values in Table 45 1, 4 Based on customer application. This can vary for EDC Data pre- and post-installation if the , cubic feet per minute of air Gathering information is known for the movement pre-installation case. Default values in Table 44 1 , reduction in operating hours of Hours Default values in Table 46 4 the fan due to the thermostat 1,000, watts per kilowatt 1,000 Conversion Factor Engineering , demand coincidence factor Decimal 0.000197 calculations Table 44: Default values for standard and high efficiency ventilation fans for dairy and swine facilities High Efficiency Fan Standard Efficiency Fan Fan Size (inches) (cfm/W at 0.1 inches water) (cfm/W at 0.1 inches water) CFM 14-23 12.4 9.2 3,600 24-35 15.3 11.2 6,274 36-47 19.2 15.0 10,837 48 - 61 22.7 17.8 22,626
Table 43: Variables for Ventilation Fans Term Unit Values Source , Quantity of the standard efficiency fans None Based on customer application EDC Data Gathering , Quantity of high efficiency fans that were installed None Based on customer application EDC Data Gathering , Efficiency of the standard efficiency fan at a static pressure of 0.1 inches water Based on customer application EDC Data Gathering Default values in Table 44 1 , Efficiency of the high efficiency fan at a static pressure of 0.1 inches water Based on customer application. EDC Data Gathering, 2, 3 Default values in Table 44 1, 2, 3 , Efficiency at a static pressure of 0.1 inches water for the installed fans controlled by the thermostat Based on customer application. EDC Data Gathering, 2, 3 Default values in Table 44. If fans were not replaced, use the default values for. If fans were replaced, use the default values for . 1, 2, 3 , operating hours per year of the fan without thermostat Hours Based on customer application EDC Data Gathering Default use values in Table 45 1, 4 , cubic feet per minute of air movement Based on customer application. This can vary for pre- and post-installation if the information is known for the pre-installation case. EDC Data Gathering Default values in Table 44 1 , reduction in operating hours of the fan due to the thermostat Hours Default values in Table 46 4 1,000, watts per kilowatt 1,000 Conversion Factor , demand coincidence factor Decimal 0.000197 Engineering calculations Table 44: Default values for standard and high efficiency ventilation fans for dairy and swine facilities Fan Size (inches) High Efficiency Fan (cfm/W at 0.1 inches water) Standard Efficiency Fan (cfm/W at 0.1 inches water) CFM 14-23 12.4 9.2 3,600 24-35 15.3 11.2 6,274 36-47 19.2 15.0 10,837 48 - 61 22.7 17.8 22,626
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