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Manual D - Residential Duct Systems
Manual D - Residential Duct Systems


 
Our Price: $94.95

Product Code: MAND
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Description
 

Design a residential duct system in less time with the streamlined Manual D duct procedure. The newly released 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:

  • A single set of ANSI-recognized duct sizing principles and calculations that apply to all duct materials
  • System operating point (supply Cfm and external static pressure), and airway sizing for single-speed and multi-speed (ECM) blowers
  • A method for determining the impact of duct friction and fitting pressure drop on blower performance and air delivery
  • The most comprehensive equivalent length data ever published.

You can apply the Manual D procedure to constant volume systems and zoned variable air volume systems, over a full range of duct construction materials. Manual D includes a number of informative appendices related to air distribution systems (e.g., equipment and air-side components, controlling excess air when VAV dampers close, duct loads, duct leakage and duct system efficiency, air quality issues, noise control, minimum air velocity for ducts; codes, standards and best practice issues; and commissioning issues). 300 pages


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