scope:

This standard applies to factory-made commercial and industrial unitary air-conditioning condensing units defined in Section 3.

Energy Source. This standard applies only to electrically-driven, mechanical compression type condensing units.

Exclusions. This standard does not apply to condensing units with capacities less than 135,000 Btuh [40 kW]. It also does not apply to the testing and rating of condensing units for refrigeration purposes, as defined in ARI Standard 520.

Purpose. The purpose of this standard is to establish for commercial and industrial air-conditioning condensing units: definitions and classifications; requirements for testing and rating; performance requirements; and conformance conditions.

This standard is intended for 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.