1.范围1。1本标准适用于工厂制造的单元式热泵、单组件或第1条所列类型的配套组件。4适用于住宅、商业和工业加热和冷却系统。1.2本标准仅适用于使用CSA标准B52第1组所列制冷剂之一的电动、机械、蒸汽压缩系统。

1. Scope1.1 This Standard applies to factory-made unitary heat pumps, single-package, or matched assemblies of the type classified in Clause1.4 intended for application in residential, commercial, and industrial heating and cooling systems.1.2 This Standard applies only to electrically driven, mechanical, vapour-compression systems charged with one of the refrigerants listed in Group 1 of CSA Standard B52.