The Air Movement and Control Association International (AMCA) (Arlington Heights, Ill.) has revised Publication 511, "Certified Ratings Program for Air Control Devices." The publication explains the association's Certified Ratings Program and its application to air control devices. It now includes Class 1A 3 cfm at 1 inch static pressure to Product Rating Requirement Subsection F, Leakage Classification Table. For more information, visit www.amca.org.
The Air-Conditioning and Refrigeration Technology Institute (ARTI) (Arlington, Va.) has released a final report on a research project, "Variable Primary Flow Chilled Water Systems: Potential Benefits and Application Issues." It can be downloaded from www.arti-21cr.org.
Publication date: 07/05/2004