Air Handler Equipment DDC ControllersAir Handler Equipment DDC Controllers –¬†These controllers will control an air handler once the wiring is completed. The panel is freshly mounted and waiting for the technician to run the piping and pull the wire from the control points. Other points, such as outside air, temperature sensors in piping or ductwork, flow meters, actuators, or other control points can be terminated to these controllers and the data collected from those input points can be networked over the entire building automation system through the communication trunks.

Air Handler Equipment DDC Controllers

Included in this panel: a terminal strip connection point for line voltage and control voltage, a transformer to step-down line voltage to the required control voltage of 24 volts which powers the controllers, and a surge arrestor which is a requirement on many government jobs.

Direct digital control (DDC) is also referred to a building automation systems (BAS) or energy management systems (EMS). In large commercial buildings, DDC is used extensively to control HVAC equipment and electrical lighting, and machinery necessary to commercial buildings. DDC is a control system along with an energy management system that saves money in energy dollars for building managers. From control of equipment to scheduling lighting and equipment usage to trending data for information collection DDC is essential for good energy management of large commercial buildings.

Air Handler Equipment DDC Controllers

DDC Systems allow for remote control and automatic computer control of systems including lighting and mechanical systems. For example, the lighting in an office building can be automatically set to turn off at 8 pm when no one is in the office. Just in case some is in the office the system will override the off sequence for rooms they occupy for 4 or 5 hours simply by the occupant turning the switch on.

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