A brochure on ACH550 drives for HVAC applications highlights the products' features and benefits. Features include built-in timers; embedded N2, FLN, and Modbus field buses; LonWorks, Profibus, and other plug-in modules; and fault loggers. The Maintenance Assistant alerts a contact person when maintenance is required. The Diagnostic Assistant displays possible causes and potential solutions when a fault occurs. The brochure gives details on the built-in unitary controller. One table provides the height, width, and depth for various frame sizes; another table provides ratings for the various models. Line drawings show the front and side views of wall-mount and floor-mount units.

ABB Inc., 16250 W. Glendale Dr., New Berlin, WI 53151; 800-752-0696; 262-785-0397 (fax); www.abb.com/us.

eProduct #189