Guideline 20-2010 -- Documenting HVAC
This Guideline defines methods for documenting use cases and data exchange requirements related to HVACR activities involving equipment, systems, design services, and other services over the lifecycle of capital facilities. Use case documentation will employ domain expert terminology and a consistent format to facilitate review and adoption by industry participants. The Guideline also outlines procedures for Web-based management of use cases to support development of formal data definitions and implementation in HVACR industry software.Citation: ASHRAE Guideline