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ISO/FDIS 5149-3

Refrigerating systems and heat pumps — Safety and environmental requirements — Part 3: Installation site, classification and selection criteria

General information

50.20     Jul 27, 2026

ISO

ISO/TC 86/SC 1

International Standard

27.080     27.200  

Scope

ISO 5149-3:2014 is applicable to the installation site (plant space and services). It specifies requirements for the site for safety, which could be needed because of, but not directly connected with, the refrigerating system and its ancillary components.
ISO 5149-3:2014 is applicable to new refrigerating systems, extensions or modifications of existing systems, and for used systems being transferred to and operated on another site. It also applies in the case of the conversion of a system for another refrigerant.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 5149-3:2014

PUBLISHED
ISO 5149-3:2014/Amd 1:2021

NOW

PROJECT
ISO/FDIS 5149-3
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jul 27, 2026

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