http://www.ddc-online.org/Getting-Started.html
Getting Started
An Overview of Direct Digital Controls
Purpose of this Guide:
Due to the complexity and proprietary nature of DDC systems, it’s challenging to stay current with the designs, installations, operation and maintenance of DDC systems. DDC-Online.org was developed specifically to help building owners and consulting/specifying engineers with these issues.
Getting Started is a tool to help professionals make more informed decisions and increase their knowledge about direct digital controls.
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