With the publication in January 2024 of the 2024 editions of the IFC, IMC, UMC, and NFPA1, state and local jurisdictions may begin the process of updating their adopted codes. Bill Lape will provide periodic updates regarding adopted codes as he receives them. In this article, Bill begins to discuss the history of the standards that have been applied to ammonia refrigeration systems over the years, starting with ASHRAE15.
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