What is a core component of Direct Digital Control (DCC) in HVAC systems?

A core component of Direct Digital Control (DCC) in HVAC systems is the use of sensors. Sensors play a critical role in monitoring various parameters such as temperature, humidity, air quality, and pressure within the system. These devices provide real-time data to the control system, enabling it to make informed decisions about how to operate the HVAC equipment efficiently.

By receiving input from sensors, the DCC system can adjust the operation of compressors, fans, and other components to maintain the desired set points. This not only enhances comfort for occupants but also improves energy efficiency by avoiding unnecessary operation of equipment. This responsive nature of DCC systems, largely enabled through accurate and reliable sensor data, is what distinguishes them from more traditional control methods.

The other choices do not capture the essential function of DCC in terms of control processes and decision-making based on real-time data. While digital feeds and communication tools are important, they do not serve as the primary operational component for managing and optimizing HVAC systems like sensors do.