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Zone Sizing Summary for HP8 with common ERV DOAS <br />Project Name: EVE ZAP ENERGY-v5-11 10/22/2024 <br />Prepared by: HERMANSON COMPANY LLP 11:17AM <br />Air System Information <br />Air System Name ____ HP8 with common ERV DOAS <br />Equipment Class............................................................ TERM <br />Air System Type VRF <br />Sizing Calculation Information <br />Calculation Months _______________________ Jan to Dec <br />Sizing Data--------------------------------------------------------------Calculated <br />Terminal Unit Sizing Data - Cooling <br />Number of zones 4 <br />Floor Area ................................................ 1912.0 ft2 <br />Location _________________________ Tacoma, Washington <br />Zone CFM Sizing __________ Sum of space airflow rates <br />Space CFM Sizing ................ Individual peak space loads <br />Zone Name <br />Total <br />Coil <br />Load <br />(MBH) <br />Sens <br />Coil <br />Load <br />(MBH) <br />Coil <br />Entering <br />DB / WB <br />(°F) <br />Coil <br />Leaving <br />DB / WB <br />(°F) <br />Water <br />Flow <br />@ 10.0 °F <br />(gpm) <br />Time <br />of <br />Peak Coil <br />Load <br />Zone <br />CFM/ft2 <br />IDU-104 <br />3.9 <br />3.4 <br />77.8 / 63.4 <br />55.0 / 53.7 <br />Jul 1500 <br />0.41 <br />IDU-105 <br />9.2 <br />8.2 <br />77.1 / 62.9 <br />55.0 / 53.7 <br />Sep 1500 <br />0.59 <br />IDU-103 <br />3.9 <br />3.4 <br />77.8 / 63.4 <br />55.0 / 53.7 <br />Jul 1500 <br />0.41 <br />IDU-104 <br />9.2 <br />8.2 <br />77.1 / 62.9 <br />55.0 / 53.7 <br />Sep 1500 <br />0.59 <br />Terminal Unit Sizing Data - Heating, Fan, Ventilation <br />Heating <br />Htg Coil <br />Heating <br />Coil <br />Water <br />Fan <br />CA Vent <br />Coil <br />Ent/Lvg <br />Flow <br />Design <br />Fan <br />Fan <br />Design <br />Load <br />DB <br />@30.0 °F <br />Airflow <br />Motor <br />Motor <br />Airflow <br />Zone Name <br />(MBH) <br />(°F) <br />(gpm) <br />(CFM) <br />(BHP) <br />(kW) <br />(CFM) <br />IDU-104 <br />0.5 <br />64.1 / 86.9 <br />144 <br />0.015 <br />0.012 <br />36 <br />IDU-105 <br />7.1 <br />66.0 / 86.9 <br />355 <br />0.037 <br />0.030 <br />61 <br />IDU-103 <br />0.5 <br />64.1 / 86.9 <br />144 <br />0.015 <br />0.012 <br />36 <br />IDU-104 <br />7.1 <br />66.0 / 86.9 <br />355 <br />0.037 <br />0.030 <br />61 <br />VRF Outdoor Unit Sizing Data <br />Cooling <br />MBH <br />Cooling <br />Tons <br />Heating <br />MBH <br />Peak Coincident Indoor Unit Loads <br />26.0 <br />2.2 <br />15.1 <br />Estimated Piping / Line Losses <br />0.0 <br />0.0 <br />0.0 <br />Total Required ODU Capacity <br />26.0 <br />2.2 <br />15.1 <br />Note: VRF piping / line losses are based on typical loss factors for this class of equipment. Actual line loss varies widely from one product to another. <br />Therefore, when selecting equipment it is critical to consult manufacturer's guidance to utilize actual line loss data. <br />Zone Peak Sensible Loads <br />Zone Name <br />Zone <br />Cooling <br />Sensible <br />(MBH) <br />Time of <br />Peak Sensible <br />Cooling Load <br />Zone <br />Heating <br />Load <br />(MBH) <br />Zone <br />Floor <br />Area <br />(ft2) <br />IDU-104 <br />3.1 <br />Jul2100 <br />0.3 <br />353.0 <br />IDU-105 <br />7.6 <br />Sep 1500 <br />5.4 <br />603.0 <br />IDU-103 <br />3.1 <br />Jul2100 <br />0.3 <br />353.0 <br />IDU-104 <br />7.6 <br />Sep 1500 <br />5.4 <br />603.0 <br />Hourly Analysis Program 5.11 Page 2 of 6 <br />