Historical
ANSI/ASHRAE 23.1-2019
Methods for Performance Testing Positive Displacement Refrigerant Compressors and Condensing Units that Operate at Subcritical Pressures of the Refrigerant
Prescribes methods for performance testing positive displacement refrigerant compressors and condensing units that operate at subcritical pressures of the refrigerant. Applies to methods for performance testing single-stage and multistage positive displacement refrigerant compressors and condensing units that operate at discharge pressures less than the critical pressure of the refrigerant. Dual units of measurement.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]