This standard applies to portable air conditioners with a rated cooling capacity of 19@000 W (65@000 Btu/h) and above@ including those with heating capacity. The standard does not apply to a. the testing and rating of individual assemblies@ such as condensing units or direct expansion fan-coil units for separate use; b. computer or data-processing-room air conditioners within the scope of ASHRAE Standard 127; and c. room air conditioners within the scope of CAN/CSAC368.12 or AHAM RAC-1. PURPOSE The purpose of this standard is to establish a uniform set of requirements for rating the cooling capacity of portable air conditioners.