The Cooling Standards Subcommittee (CSS) of the Air Conditioning, Heating, and Refrigeration Institute (AHRI) voted on revised standards on June 10 during a web conference.
AHRI's Standard 700-2012 with Addendum 1, Specification for Fluorocarbon Refrigerants, for the first time includes hydrocarbon (i.e.: single component and blends) and carbon dioxide refrigerants.
The single component hydrocarbon refrigerants include:
The hydrocarbon blends include:
The carbon dioxide refrigerant added to the standard is R-744.
Also approved by the CSS was Revised ANSI/AHRI Standard 620-2004, Performance Rating of Self-contained Humidifiers for Residential Applications.
The CSS also approved Addendum 1 to AHRI Standard 1230-2010, Performance Rating of Variable Refrigerant Flow (VRF) Multi-Split Air Conditioning and Heat Pump Equipment.
The CSS also approved Revised ANSI/AHRI Standard 1160 (I-P)-2009/1161 (SI)-2011, Performance Rating of Heat Pump Pool Heaters.
Not approved by the CSS was AHRI Standard 1240P (I-P)/1241P (SI), Performance Rating of Active Chilled Beam Units.
All AHRI standards, included the newly approved standards, are free to download on the AHRI website at www.ahrinet.org.
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