Description
The Trane BRD02951 Control Board COM3 Interface Programming Required is an electronic communication and control board that provides programmable connections between elements, sensors, thermostats, and the field in HVAC systems. These air handlers, furnaces, and packaged units offer a COM3 interface, which needs specific programming to combine system inputs and outputs to work together. It is mounted in the control compartment and wired to the wiring harness and control network of the unit, and is a central routing point of signals, sequencing and subsystem communication in accordance with set parameters.
