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ASHRAE Design Guide for Air Terminal Units provides detailed guidance for selection, application, control, and commissioning of a common element in all-air HVAC systems—the air terminal unit (ATU). This book can be used as a complete, comprehensive in-house training program for new designers, and experienced engineers and designers can navigate directly to chapters of interest. The guide includes detailed discussion on criteria the design engineer needs to properly schedule and specify ATUs. It provides information to enable engineers to design a better systems with acceptable sound levels, improved flow volume control, proper ATU sizing, and optimized energy consumption. The guide also covers the history and types of ATUs as well as ATU construction types, insulation options, installation methods and suggestions, and accessories. In-depth discussions cover HVAC acoustics, the control options and recommended sequences of operations for various ATUs and systems, comparing manufacturers'ratings, building energy modeling, and life-cycle cost analysis. Pertinent ASHRAE, AHRI, and AABC standards; testing, balancing, and commissioning; and various ATU applications are also covered. |
