scope:

These instructions describe frequently encountered control system loops, provide examples of how these loops are used, and provide guidance and criteria for the design of standard HVAC control systems and standard control panels. This document does not provide guidance on selecting HVAC systems and does not prohibit selection of system types not included herein.

PURPOSE. This document provides criteria and guidance for the design of heating, ventilating and air conditioning (HVAC) control systems, and designates the standard control loops to be used.