本技术报告详细列出了燃气用具分类的一般方案，根据燃烧空气的供给方式和排放燃烧产物的方法。该方案是指旨在安装在建筑物内和/或燃气用具的燃气用具，用于安装在建筑物外部的部分保护的地方。 本技术报告是统一产品标准和对燃气器具类型的共同认识的指南。 该TR不适用于安装标准或产品标准，也不作为市场监督的参考

This Technical Report gives details of a general scheme for the classification of gas appliances according to the method of supplying combustion air and of evacuating the products of combustion. This scheme refers to gas appliances that are intended to be installed within buildings and/or to gas appliances intended ) for installation in a partially protected place external to a building. This Technical Report is a guide for the harmonization of product standards and for the common understanding of the types of gas appliances. This TR is not intended to be used as an installation standard or as a product standard, nor as a reference for market surveillance.