本指南定义了在资本设施的整个生命周期内，记录与HVAC&R活动（涉及设备、系统、设计服务和其他服务）相关的用例和数据交换要求的方法。用例文档将采用领域专家术语和一致的格式，以便于行业参与者进行审查和采用。该指南还概述了基于Web的用例管理程序，以支持在HVAC&R行业软件中开发正式的数据定义和实现。这是对2010版指南的重申。引文:ASHRAE指南

This Guideline defines methods for documenting use cases and data exchange requirements related to HVAC&R 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 HVAC&R industry software.This is a reaffirmation of the 2010 edition of the guideline.