The Building Master 4000 is a direct digital control (DDC) system for the user’s boiler, air quality, leak detection, refrigeration, or building management requirements, in one package. It is ...

Direct digital control is used to establish electronic control of the heating, ventilation, and air conditioning systems on campus. Direct digital control systems also allow the consistent use of time ...

ATLANTA, GA — The benefits of direct digital control (ddc) systems and recommendations for specifications of ddc systems in hvac control applications are included in a newly published guideline from ...