本文件涵盖了家用沼气系统（HBSs）的设计、安装、运行、维护和安全要求，该系统每年产生的沼气量相当于小于100 MWh的安装容量。 本文件适用于由压力水平低于5 kPa的管道和设备组成的HBSs。 连接到HBS或利用HBS沼气能源的任何设备或器具不属于本文件的范围。

This document covers the requirements for the design, installation, operation, maintenance and the safety of Household Biogas Systems (HBSs), producing biogas in an amount equivalent to an installation capacity of less than 100 MWh per year. The document applies to HBSs comprising of pipeline and equipment with pressure levels of less than 5 kPa. Any equipment or appliances connected to an HBS or utilizing the biogas energy of an HBS are not a part of the scope of this document.