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. � . <br /> Rhvac-Residential&Light Commercial HVAC Loads Elite Software Development,Inc. <br /> � HVAC Designs RDT Office Addition 576 e I <br /> �Tampa.FL 33615 _ _ Pa e 2 <br /> � Manual D Ductsize - Duct System 1 -Supply (cont'd) <br /> i Summary -- --- — ---� <br /> Number of active trunks: 2 <br /> Number of active runouts: 5 <br /> I <br /> Total runout outlet airtiow: 800 ; <br /> Main trunk airtlow: 800 <br /> Largest trunk diameter: 14.1 SMT-100 <br /> Largest runout diameter: 8 12x8 <br /> Smallest trunk diameter: 10.9 ST-110 <br /> Smallest runout diameter: 7 12x8 <br /> Supply fan external static pressure: 0.298 <br /> Supply fan device pressure losses: 0.000 <br /> Supply fan static pressure available: 0.298 <br /> Runout maximum cumulative static pressure loss: 0.298 12x8 <br /> Return loss added to supply: 0.127 <br /> Total effective length of return (ft.): 171.8 18x18,14",-720 CFM <br /> Total effective length of supply(ft.): 169.9 12x8 <br /> Overall total effective length (ft.): 341.7 18x18,14",-720 CFM to 12x8 <br /> Design overall friction rate per 100 ft.: 0.087 (Available SP x 100/TEL) <br /> Actual overall friction rate per 100 ft.: 0.087 ((Cumul.-Device loss)x 100/TEL) <br /> System duct surface area(Scenario 1): 131.6 Main (Not linked to duct load) <br /> Total system duct surface area: 131.6 <br /> I <br /> I <br /> I, i <br /> �, <br /> i <br /> � <br /> Wednesday,August 26,2009, 3:39 PM <br />