This standard shall apply only to closed circuit refrigerating systems utilizing ammonia as the refrigerant. This standard was written as a guide to the design, manufacture and installation of closed circuit ammonia refrigerating systems in industrial occupancies and is not intended to supplant existing safety codes.
ANSI/IIAR 2-2008 history
2012ANSI/IIAR 2-2012 Equipment, Design, and Installation of Closed Circuit Ammonia Mechanical Refrigerating Systems
2008ANSI/IIAR 2-2008 Equipment, Design, and Installation of Closed-Circuit Ammonia Mechanical Refrigerating Systems