1.范围1。1本标准适用于工厂制造的、用于建筑空调和供暖应用的气源、散热器、分体式系统、单元式空调和热泵，以及第1.4条所列类型的配套组件。1.2本标准仅适用于使用CSA标准B52《机械制冷规范》第1组所列制冷剂之一的电动、机械、蒸汽压缩型系统。1.3本标准涵盖在第7.2.1.4条所列标准额定条件下，额定功率低于19.0 kW（65000 Btu/h）的加热或冷却设备。本标准范围内的整体设备分类如下:整体式空调、整体式热泵；名称，ARI分类。 1.5本标准不适用于燃烧器辅助空气源热泵，也不适用于空气源、空气接收器多功能或集成蒸汽压缩式热泵系统。1.6以SI（公制）单位给出的数值为标准。括号中给出的值仅供参考。

1. Scope1.1This Standard applies to factory-made, air-source, air- sink, split-system, unitary air-conditioners and heat pumps, matching assemblies of the type classified in Clause 1.4, intended for air-conditioning and heating applications in buildings.1.2This Standard applies only to electrically driven, mechanical, vapour-compression-type systems charged with one of the refrigerants listed in Group 1 of CSA Standard B52, Mechanical Refrigeration Code.1.3This Standard covers equipment rated below 19.0 kW (65,000 Btu/h) heating or cooling at standard rating conditions as listed in Clause 7.2.1.4Unitary equipment within the scope of this Standard is classified as follows: Unitary air-conditioners, Unitary heat pumps; Designation, ARI classification.1.5This Standard does not apply to burner-assisted air-source heat pumps or to air-source, air-sink multifunction, or integrated vapour-compression-type heat pump systems.1.6The values given in SI (metric) units are the standard. The values given in parentheses are for information only.