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Rhvac-Residential&Light Commercial HVAC Loads Elite Software Development,Inc.�I HVAC Desi ns x 9 �� Walnut Grove TH 1456 S!� Tampa,FL 33615 ---------__ ------------------_-=Page 4;I I Manual D Ductsize Data- Duct System 1 -Return , �; — -_ _ _-�--__-- -----------------------�I --Duct Name,etc. � —._---------------- ---------- i� Type Roughness , Diameter Velocity SPL.Duct�i , Upstream Temperature ; Width Loss1100 SPL.Fit � Shape Length � Height Fit.Eq.Len SPL.Tqt � . Sizin CFM __ _Area__ __ _SP.Avail ____ SPL.Cumul I� � --- — ------- � --Duct Name:RMT-100,Feeds From:Foyer,Fitting:5•A,Effective length:49.0 ; Trunk 0.003 i 15.3 625 O.Opp j Up:Fan 75 14 0.056 0.025 I Rect 3.2 14 45.9 0.027 ; Schedule 850 �� 14.8 •0.016 0.043 ! --Duct Name:RR-100,Returns From:Foyer,Fitting:2-D,Effective Length:28.8 i Runout 0.003 � 15.3 625 i 0.001 ! Up:RMT-100 75 14 D.056 0.015 � Rect 1.1 14 27.7 0.016 � Schedule 850 � 4.9 0.000 0.016 ; _. _.. _. I I Report Units:Pressure:in.wg,Duct lengths:feet,Duct sizes:inch,Airflow:CFM,Velocity:ft.lmin,Temperature:F i i Notes: Static pressure available values for return ducts are at the entrance of the duct. For supply,they are at the exit. The cumulative static � pressure loss value for a return trunk is with respect to the entry point of the return runout upstream with the highesE static pressure available. Total I and cumulative static pressure loss values for the supply main trunk include any device pressure losses entered,and the cumulative may also I include the total static pressure loss of the return side. , � Summary ---------- -- ----------------,I I Number of active trunks: 1 — -- ---�---' Number of active runouts: 1 ; � I I Total runout outlet airflow: 850 �. Main trunk airflow: 850 I ' Largest trunk diameter: 15.3 RMT-100 j Largest runout diameter: 15.3 RR-100 � Small•sttrunk diameter: 15.3 RMT-100 i Smallest runout diameter: 15.3 RR-100 � � I Runout maximum cumulative static pressure loss: 0.016 RR•100 I Return loss added to supply: 0.043 � i Total effective length of return(ft.): 77.8 RR-100 I System duct surface area(Scenario 4): 19.7 Exposed in Space (Linked to duct Ibad) i Total system duct surface area: 19.7 � � � - - --- ---- _ I Notes ; ------�—_ �; Rhvac is an ACCA approved Manual J and Manual D computer program. i ' I Calculations are performed per ACCA Manual J 8th Edition,Version 2,and ACCA.Manual D. I All computed results are estimates as building use and weather may vary. ' i Be sure to select a unit that meets both sensible and latent loads according to the manufacturer's performance data at your design conditions. i ; i � � ! � I � i I i -- — ----— � Thursday,May O8,2014,1:03 PM