ASHRAE has issued Proposed Addendum E to Standard 15.2-2022, which would raise the charge limit for flammable refrigerants in outdoor heat pumps and air-conditioning.
The OzonAction Lower-GWP Refrigeration and Air-Conditioning Innovation Awards went to one project in Ecuador and two In Brazil.
The fixed-speed EMX compressor will be on display at the manufacturer’s booth at AHR Expo in Atlanta February 6–8.
Entries for the Lower GWP Refrigeration and Air-Conditioning Innovation Awards are due December 31, 2022.
Revisions to the ASHRAE-15 North American safety standard for commercial refrigeration would follow a UL proposal.
None of the three motions on flammable refrigerants before the ASHRAE-15 committee passed; new public meetings planned in January.
A proposal allowing higher charges in commercial cases for only A2Ls is being considered by ASHRAE-15 committee.
Code consultant Jeff Shapiro thinks the trade group can offer safety guidelines for flammable refrigerants where ASHRAE and code bodies fall short.
Ammonia group will work with ASHRAE as well as create its own standard for hydrocarbons in commercial and industrial applications.
ASHRAE Research Project 1807 cites technician training, refrigerant odorization and other requirements in place in other regions.
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