Terminal Control Units

The Terminal Control Unit is a versatile, microprocessor-based, direct digital controller that allows existing Variable Air Volume (VAV) systems to be upgraded to optimal Digital Air Volume (DAV) control. Three modules are available, with or without auxiliary heat: Single Duct TCU, Series Fan-Powered TCU, and Parallel Fan-Powered TCU. Completely compatible with the Carrier Comfort Network, the Terminal Control Unit brings these key control features to VAV air terminals: