EN 378-1 : 2016+A1:2020 : Refrigerating systems and heat pumps - Safety and environmental requirements - Part 1: Basic requirements, definitions, classification and selection criteria.

This European Standard specifies the safety requirements applicable to persons, property and the environment, as well as the procedures for the operation, maintenance and repair of refrigerating systems and the recovery of refrigerants, including heat pumps. This part of EN 378 establishes the classification and selection criteria used in the other parts of the standard. It applies to stationary and mobile refrigerating systems, secondary cooling or heating systems, their location, and components that are replaced or added. It excludes systems using fluids not covered by Annex E and certain vehicle air-conditioning systems. Annexes C and E specify, respectively, refrigerant charge limits and safety and environmental criteria. This standard applies to new, modified, relocated or converted installations using a different refrigerant.