The latest form Honeywell ARD dampers is a nice looking product and works nicely with ecojay SmartZone.  Wire as shown below.  Other damper wiring at www.zoningsupply.com/blog

SmartZone has the simplest setup and best features of any zone control. Find out more about SmartZone and why it's the smart choice: www.zoningsupply.com/buy-smartzone/