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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.
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American Society of Heating, Refrigerating and Air-Conditioning Engineers, Inc. [ashrae]