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About This Item

 

Full Description

1. Scope

1.1

This 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.

1.2

This 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.

1.3

This 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.

1.4

Unitary equipment within the scope of this Standard is classified as follows: Unitary air-conditioners, Unitary heat pumps; Designation, ARI classification.

1.5

This 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.

1.6

The values given in SI (metric) units are the standard. The values given in parentheses are for information only.