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This new edition includes updated and expanded VAV guidance, with detailed examples; impacts of excess length, sag, and compression in flexible ducts; new equivalent length values for flex duct junction boxes; and additionally identifying normative requirements in related informative material.
Requires Microsoft Excel and a copy of ACCA's Manual D (Residential Duct Systems). #ManualD #Residential #DuctDesign
Manual-D - Free download as Excel Spreadsheet (.xls), PDF File (.pdf), Text File (.txt) or read online for free. This document provides instructions for using an electronic spreadsheet version of the ACCA Manual D, 3rd Edition for calculating residential duct system design.
Once we have our available static pressure, we can start working on the actual Manual D process. The first thing we need to do is subtract our various component pressure drops. An acceptable method in Manual D is to use a 0.03″WC pressure drop for dampers, supply registers, and return grilles.
Manual D duct procedure. The Manual D has been significantly revised to include: • Updated and expanded VAV guidance, with detailed examples. • Impacts of excess length, sag and compression in flexible ducts. • New equivalent length values for flex duct junction boxes Manual D provides:
Manual D® - Residential Duct Systems [ANSI/ACCA 1 Manual D - 2016] Building Science Education is a resource of the U.S. Department of Energy's Building Technologies Office.
For residential air duct designs ACCA’s Manual D is the procedure recognized by the American National Standards Institute (ANSI) and spe-cifically required by residential building codes. Air is the first word in air conditioning.