One of the most important factors in the efficiency of any HVAC system is the selection and implementation of the proper control sequence of operations. Control sequences are the responsibility of the systems designer and are used to describe how systems shall operate. Key elements of any sequence include:
The process typically used to develop a control sequence starts with the systems design engineer, who needs to consider the owners’ requirements, codes and standards, and systems selected and then select and specify the sequence as part of an overall controls system design.