Details on how to successfully plan and implement a direct digital control (DDC) retrofit of an existing control system will be presented in a new professional development seminar from the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).
Direct Digital Control Retrofit: From Project Planning Through Performance Verification is one of four new ASHRAE Learning Institute courses that will be available at ASHRAE's 2004 Winter Meeting, Jan. 24-28, in Anaheim, CA.