This standard describes test methods@ procedures@ instrumentation@ computations@ and suggested apparatus for this test. PURPOSE To provide a test method for measuring the refrigerant vapor mass flow capacity of four-way refrigerant reversing valves. The standard aims to measure mass flow capacity with sufficient accuracy to facilitate application decisions.
ASHRAE 153-2015 history
2021ASHRAE 153-2021 Method of Test for Mass Flow Capacity of Four-Way Refrigerant Reversing Valves
2015ASHRAE 153-2015 Method of Test for Mass Flow Capacity of Four-Way Refrigerant Reversing Valves