ANSI/ASHRAE 34aa-2012
Designation and Safety Classification of Refrigerants

Standard No.

ANSI/ASHRAE 34aa-2012

Release Date

2012

Published By

American National Standards Institute （ANSI)

Scope

This addendum modifies Section 9.5.2.2, Azeotropic Blends, to define the requirements applicants shall provide as evidence of the existence of an azeotropic blend within the intended application range in requesting an R-500 Series Designation.