Proposes requirements for the safety aspects, in terms of the design, construction, installation and inspection of refrigerating appliances, systems and ancillary equipment intended for use or installation in institutional, public assembly, residential, commercial and industrial occupancies. It includes heat pumps and reverse cycle airconditioning systems. It applies to new refrigerating systems, to extensions and modification of existing systems and to used systems on being installed and operated on another site. It also applies in the case of the conversion of a system for use with another refrigerant. It does not apply in the case of air or water being used as a refrigerant, or to liquified gas storage vessels. Proposed as a Joint Australian/New Zealand Standard.

AS/NZS 1677.2:1998