scope:

This standard applies to factory-made Unitary Air-conditioners and Unitary Air-source Heat Pumps with capacities less than 19 kW as defined in Section 3.

Energy Source.

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

Exclusions.

This standard does not apply to the rating and testing of:

a. Heating mode of heat pump equipment.

b. Packaged Terminal Air-conditioners/Heat Pumps, as defined in AHRI Standard 310/380 and CSA C744.

c. Room air-conditioners/heat pumps.

d. Water-source Heat Pumps, Ground Water-source Heat Pumps, or ground-source closed-loop Heat Pumps as defined in ISO/ANSI/ASHRAE/AHRI Standards 13256-1 and 13256-2.

e. Water heating heat pumps.

f. Units equipped with desuperheater/water heating devices in operation.

g. Variable Refrigerant Flow Air Conditioners and Heat Pumps as defined in AHRI Standard 1230.

h. Single Packaged Vertical Units as defined in ANSI/AHRI Standard 390.

i. Evaporatively-cooled air-conditioning/heat pump equipment.

j. Water-cooled air-conditioning/heat pump equipment.

k. Heating only equipment.