This European Standard specifies the requirements for the safety of persons and property, provides
guidance for the protection of the environment and establishes procedures for the operation,
maintenance and repair of refrigerating systems and the recovery of refrigerants.
The term “refrigerating system” used in this European Standard includes heat pumps.
This Part 3 of the European Standard is applicable to the installation site (plant space and services). It
specifies requirements on the site for safety, which may be needed because of, but not directly
connected with, the refrigerating system and its ancillary components.
This standard applies:
a) to refrigerating systems, stationary or mobile, of all sizes except to vehicle air conditioning systems
covered by a specific product standard e.g. ISO 13043;
b) to secondary cooling or heating systems;
c) to the location of the refrigerating systems;
d) to replaced parts and added components after adoption of this standard if they are not identical in
function and in the capacity.
Systems using refrigerants other than those listed in of EN 378-1:2016, Annex E are not covered by this
standard.
This standard does not apply to goods in storage.
This standard is not applicable to refrigerating systems which were manufactured before the date of its
publication as a European Standard except for extensions and modifications to the system which were
implemented after publication.
This standard is applicable to new refrigerating systems, extensions or modifications of already existing
systems, and for existing stationary systems, being transferred to and operated on another site.
This standard also applies in the case of the conversion of a system for another refrigerant type, in
which case conformity with the relevant clauses of parts 1 to 4 of the standard shall be assessed.
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