Seminar 60: Presentation 3: Updates to UL 60335-2-89 Refrigerant Detector Systems
JW Marriott Tampa Water Street, Tampa Bay 6
Updates to UL 60335-2-89 Refrigerant Detector Systems
Presenting Author: Kent Nelson, PE
As a result of the Montreal Protocol and the EPA AIM Act, the demand for refrigerants with a low GWP has forced the HVAC&R industry to use refrigerants that are flammable. The use of flammable refrigerants in larger quantities requires the use of a refrigerant detection system in order to detect if a leak has occurred, and safely initiate mitigation. I will be sharing with you at a high level the requirements in UL 60335-2-40 Annex LL that will help in the design of a safe refrigeration detection system for North America.