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ANSI/ASHRAE 17-2022
Method of Testing Capacity of Electronic and Thermostatic Refrigerant Expansion Valves
Prescribes a method of testing the capacity of electronic and thermostatic refrigerant expansion valves for use in vapor-compression refrigeration systems. Applicable to a. electronic and thermostatic expansion valves (also referred to in this standard as “expansion valves”) as defined in Section 3; b. expansion valves of the direct-acting type but not the pilot-operated type; and c. many currently used refrigerants deemed available and suitable according to ANSI/ASHRAE Standard 15, Safety Standard for Refrigeration Systems and ANSI/ASHRAE Standard 34, Designation and Safety Classification of Refrigerants. Specifies procedures, apparatus, and instrumentation that will produce accurate capacity data. Dual units of measurement.
American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]