ASHRAE Addresses Refrigerant Release Reduction

ASHRAE has published ANSI/ASHRAE Standard 147-2002, “Reducing Release of Halogenated Refrigerants from Refrigeration and Air-Conditioning Equipment and Systems.”

To meet the need to control releases of refrigerants into the atmosphere, American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) published ANSI/ASHRAE Standard 147-2002, “Reducing Release of Halogenated Refrigerants from Refrigeration and Air-Conditioning Equipment and Systems.”

The standard establishes practices and procedures that will reduce inadvertent release of chlorine-containing and other halogen-containing refrig-erants such as halogenated chlorofluorocarbons (CFCs), hydrofluorocarbons (HFCs) and hydrochlorofluorocarbons (HCFCs) refrigerants.

Many of the practices found in the new standard might be familiar because they were previously published in ASHRAE Guideline 3-1996, “Reducing Emission of Halogenated Refrigerants in Refrigeration and Air-Conditioning Equipment and Systems,” which is superseded by the new standard, according to Bob Roth, a member of the Standard 147 committee.

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Avoiding scale, corrosion and microbiological growth — all of which diminish effective heat transfer — is the focus of any water treatment approach for water-contacted process heating and cooling equipment.