scope:

This standard applies to factory-made Unitary Air-conditioners and Unitary Air-source Heat Pumps with capacities less than 65,000 Btu/h as defined in Section 3.

Energy Source.

This standard applies only to electrically operated, vapor compression refrigeration systems.

Purpose.

The purpose of this standard is to establish the following for Unitary Air-conditioners and Unitary Air-source Heat Pumps: definitions, classifications, test requirements, rating requirements, operating requirements, minimum data requirements for Published Ratings, marking and nameplate data, and conformance conditions.

Intent.

This standard is intended for the guidance of the industry, including manufacturers, engineers, installers, contractors and users.

Review and Amendment.

This standard is subject to review and amendment as technology advances.