ASHRAE 64-2020

ASHRAE Standard 64 specifies procedures, apparatus, and instrumentation by which determinations of remote mechanical draft evaporative refrigerant condenser capacity can be obtained by laboratory testing with accuracy satisfactory to be used as the basis for commercial ratings.This 2020 revision incorporates several technical revisions, as well as changes to bring the standard into compliance with ASHRAE’s mandatory language requirements. References have also been updated.