ASHRAE STD 15 & 34
Safety Standard for Refrigeration Systems
|Publication Date:||30 October 2020|
Addendum j modifies ANSI/ASHRAE Standard 15 by replacing the terms "flammable" and "nonflammable" with refrigerant class when referencing refrigerants classified as A1 or B1 by ANSI/ASHRAE Standard 34.
Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes.