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EN 12693:2026 Standard

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  Keywords:

#document #applicable #hermetic #used #loads

  Directive

Machinery (MD) Directive (2006/42/EC)

  Last Official Journal reference

Monday 7th of September 2026

  Description:

Refrigerating systems and heat pumps - Safety and environmental requirements - Positive displacement refrigerant compressors

  Purpose

This document is applicable to positive displacement refrigerant compressors for stationary and mobile refrigerating systems and heat pumps, hereafter called compressors. It is applicable for compressors used in commercial and industrial appliances and with electrical energy supply including integral motors, up to 1 000 VAC and 1 500 VDC. It is applicable to open drive, semi hermetic and hermetic motor compressors, which contain a positive compression function. This document is not applicable to: -  compressors used in household appliance for which EN IEC 60335-2-34 applies; -  compressors using water or air as refrigerant; -  compressors in vehicle air conditioning systems covered by a specific product standard, e.g. ISO 13043. This document does not deal with requirements for emission of noise. NOTE 1  Compressors for automotive comfort air conditioning systems can be developed according e.g. SAE J 639. NOTE 2  Noise emission depends on the complete installation of the built-in compressors and the corresponding operating conditions. For semi-hermetic and open drive compressors which include moving parts and for which the external envelope is primarily designed for mechanical loads, thermal loads (to limit the possible deformation due to temperature), stiffness of the structure (external mechanical loads and weight of the equipment), taking into account established safe industrial practice, it is considered that pressure is not a significant design factor. Attached parts covering other functions e.g. oil separators, oil coolers, suction accumulators comply to EN 14276-1 or EN 13445-6 (cast iron) or EN 13445-8 (aluminium) or show compliance to the relevant European requirements. This is applicable also to shells for hermetic compressors either welded or with any kind of permanent joint. Requirements for compressors used in explosive atmospheres are not covered by this document. NOTE 3  For further guidance see EN 1127-1. This document deals with significant hazards, hazardous situations and events relevant to compressors, when they are used as intended and under conditions for misuse which are reasonably foreseeable by the manufacturer (see Clause 4). This document specifies safety requirements for the design, construction, manufacture and testing, documentation and marking of compressors, including integral accessories, e.g. shut-off valve, if necessary. This document relates to the compressor itself which is to be incorporated in a refrigerating system. This document is not applicable to compressors as specified in the scope which are manufactured before the date of publication.

  Publication

Monday 7th of September 2026

  Cessation

This standard will be withdrawn on 2027-01-20

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