Manual Q, Commercial Low Pressure

Manual Q – Low Pressure, Low Velocity Duct System Design – Manual Q, by ACCA, First Edition. The one-stop reference book on the low-pressure, low-velocity systems used in small and mid-size commercial buildings. Manual Q gives time-saving “quick” fitting loss tables, as well as a complete set of fitting loss tables compiled from the ASHRAE and SMACNA handbooks. Topics Include: – Performance characteristics of fans, duct systems, air-side devices, and duct system materials – Fan inlet and fan discharge losses – Duct sizing methods, including a comprehensive treatment of the equal friction duct sizing method – Examples of how to design constant volume, variable volume, rooftop multi-zone, and VVT duct systems – Exhaust equipment and exhaust duct systems – Building pressure control, ventilation, and air balance – Fittings and hardware for adjustment, test, and balance work – Duct system efficiency, conduction losses and duct leakage