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GUIDELINES FOR USING R-452A AND R-448A/R-449A
www.tecumseh.comGuidelines for using R-452A and R-448A/R-449A in new and existing commercial refrigeration systems 1. R-452A and R-448A/R -449A refrigerants context Tecumseh Products Company does not recommend the retrofit of existing refrigeration systems that are operating leak free. If the system is not leaking refrigerant to the atmosphere, and is ...