EN 378-2:2016
(Main)Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation
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 2 of this Standard is applicable to the design, construction and installation of refrigerating systems including piping, components and materials. It includes ancillary equipment not covered in FprEN 378-1:2016, FprEN 378-3:2016 or FprEN 378-4:2016 which is directly associated with these systems. It also specifies requirements for testing, commissioning, marking and documentation. Requirements for secondary heat transfer circuits are excluded except for any protection requirements associated with the refrigerating system. Ancillary equipment includes, for example, fans, fan motors, electrical motors and transmission assemblies for open compressor systems.
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 Annex E of FprEN-378 1:2016 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 to another refrigerant type, in which case conformity to the relevant clauses of parts 1 to 4 of the standard shall be assessed.
Kälteanlagen und Wärmepumpen - Sicherheitstechnische und umweltrelevante Anforderungen - Teil 2: Konstruktion, Herstellung, Prüfung, Kennzeichnung und Dokumentation
Diese Europäische Norm legt die Anforderungen an die Sicherheit von Personen und Eigentum fest, liefert eine Anleitung in Hinblick auf den Schutz der Umwelt und enthält Vorgehensweisen für Betrieb, Instandhaltung und Instandsetzung von Kälteanlagen und die Rückgewinnung von Kältemitteln.
Die in dieser Europäischen Norm verwendete Benennung "Kälteanlage" schließt Wärmepumpen mit ein.
Der vorliegende Teil 2 dieser Norm gilt für die Konstruktion, Herstellung und Aufstellung von Kälteanlagen, einschließlich Rohrleitungen, Komponenten und Werkstoffen. Er enthält mit diesen Anlagen direkt verbundene Zusatzausrüstung, die nicht durch EN 378-1, EN 378-3 oder EN 378-4 abgedeckt sind. Diese Norm legt außerdem Anforderungen an die Prüfung, Inbetriebnahme, Kennzeichnung und Dokumentation fest. Anforderungen an sekundäre Wärmeträgerkreisläufe mit Ausnahme jeglicher mit der Kälteanlage verbundener Schutzanforderungen sind ausgeschlossen. Die Zusatzausrüstung umfasst z. B. Ventilatoren und Ventilatormotoren, Elektromotoren und Getriebe für offene Verdichtersysteme.
Diese Norm gilt für:
a) stationäre und ortsveränderliche Kälteanlagen aller Größen, mit Ausnahme von Luftkonditionier-systemen in Kraftfahrzeugen, die von bestimmten Produktnormen wie z. B. ISO 13043 abgedeckt werden;
b) indirekte Kühl- oder Heizsysteme;
c) den Aufstellungsort dieser Kälteanlagen;
d) nach der Annahme dieser Norm ersetzte Teile und hinzugefügte Komponenten, sofern sie nicht in Funktion und Leistung identisch sind.
Anlagen mit anderen als den in EN 378-1:2016, Anhang E, aufgeführten Kältemitteln sind nicht Gegenstand dieser Norm.
Die vorliegende Norm gilt nicht für eingelagerte Güter.
Diese Norm gilt nicht für Kälteanlagen, die vor dem Datum ihrer Veröffentlichung als Europäische Norm hergestellt wurden, ausgenommen sind im Anschluss an die Veröffentlichung erfolgte Erweiterungen und Modifizierungen an der Anlage.
Die vorliegende Norm gilt für neue Kälteanlagen, Erweiterungen oder Modifizierungen bereits bestehender Anlagen sowie bestehende stationäre Anlagen, die an einen anderen Standort verbracht und dort betrieben werden.
Diese Norm gilt auch im Falle der Umstellung einer Anlage auf eine andere Art des Kältemittels; in diesem Fall muss die Konformität mit den zutreffenden Abschnitten der Teile 1 bis 4 der Norm beurteilt werden.
Systèmes frigorifiques et pompes à chaleur - Exigences de sécurité et d'environnement - Partie 2: Conception, construction, essais, marquage et documentation
La présente Norme européenne spécifie les exigences relatives à la sécurité des personnes et des biens, fournit des recommandations pour la protection de l'environnement et établit des modes opératoires pour l'exploitation, la maintenance et la réparation des systèmes frigorifiques et la récupération des fluides frigorigènes.
Le terme « système frigorifique » utilisé dans la présente Norme européenne inclut les pompes à chaleur.
La présente Partie 2 de la norme est applicable à la conception, à la construction et à l'installation des systèmes frigorifiques, y compris les tuyauteries, composants et matériaux. Elle inclut les équipements auxiliaires non couverts par le FprEN 378-1:2016, le FprEN 378-3:2016 ou le FprEN 378-4:2016 qui sont directement associés à ces systèmes. Elle spécifie également des exigences pour les essais, la mise en service, le marquage et la documentation. Les exigences relatives aux circuits secondaires de fluide caloporteur sont exclues, excepté toute exigence de protection associée au système frigorifique. Les équipements auxiliaires comprennent, par exemple, les ventilateurs, les moteurs de ventilateur, les moteurs électriques et les organes de transmission pour systèmes de compresseurs ouverts.
La présente norme s'applique :
a) aux systèmes frigorifiques, fixes ou mobiles, de toutes tailles, excepté les systèmes d'air conditionné embarqués couverts par une norme de produit spécifique telle que l'ISO 13043 ;
b) aux systèmes secondaires de refroidissement ou de chauffage ;
c) à l'emplacement des systèmes frigorifiques ;
d) aux pièces remplacées et composants ajoutés après l'adoption de la présente norme, si leur fonction ou leur capacité n'est pas identique.
Les systèmes utilisant des fluides frigorigènes autres que ceux mentionnés en Annexe E du FprEN 378-1:2016 ne sont pas couverts par la présente norme.
La présente norme ne s'applique pas aux marchandises en stock.
La présente norme n'est pas applicable aux systèmes frigorifiques fabriqués avant sa date de publication en tant que Norme européenne, à l'exception des extensions et modifications du système mises en oeuvre après la publication.
La présente norme s'applique aux systèmes frigorifiques neufs, aux extensions ou modifications de systèmes existants et, pour les systèmes fixes existants, aux systèmes transférés et exploités sur un autre site.
La présente norme s'applique également en cas de transformation d'un système pour un autre type de fluide frigorigène, auquel cas la conformité aux articles applicables des parties 1 à 4 de la norme doit être évaluée.
Hladilni sistemi in toplotne črpalke - Varnostnotehnične in okoljevarstvene zahteve - 2. del: Načrtovanje, izdelava, preskušanje, označevanje in dokumentacija
Ta evropski standard določa zahteve za varnost oseb in premoženja, določa smernice za varstvo okolja ter določa postopke za delovanje, vzdrževanje in popravilo hladilnih sistemov ter izpraznitev hladilnih sredstev.
Drugi del tega standarda se uporablja za načrtovanje, izdelavo in namestitev hladilnih sistemov, vključno z ocevjem, sestavnimi deli in materiali ter pomožno opremo, ki je neposredno povezana s takšnimi sistemi, ki niso zajeti v standardih EN 378-1, EN 378-3 ali EN 378-4. Določa tudi zahteve za preskušanje, začetek obratovanja, označevanje in dokumentacijo. Zahteve za sekundarna vezja za prenos toplote niso zajeta, razen za morebitne varnostne naprave, povezane s hladilnim sistemom. Pomožna oprema vključuje npr. ventilatorje, motorje ventilatorjev, električne motorje in prenosne sestave za odprte kompresorske sisteme.
Pojem »hladilni sistem« v tem evropskem standardu zajema tudi toplotne črpalke.
Ta standard se uporablja za:
a) hladilne sisteme, nepremične ali premične, vseh velikosti, razen klimatskih naprav cestnih vozil, ki jih zajemajo posebni standardi za proizvode, kot sta ISO/DIS 13043 in SAE J 639;
b) sekundarne hladilne ali ogrevalne sisteme;
c) mesto postavitve teh hladilnih sistemov; in
d) dele in komponente, ki so bili zamenjani in dodani po sprejetju tega standarda, če nimajo enake funkcije in zmogljivosti.
Sistemi, ki uporabljajo hladilna sredstva, ki niso navedena v dodatku E standarda EN 378-1, niso zajeti v tem standardu, razen če jim je bil dodeljen varnostni razred v skladu s standardom ISO 817.
Ta standard se ne uporablja za skladiščeno blago.
Ta standard se ne uporablja za hladilne sisteme, ki so bili izdelani pred datumom objave standarda kot evropskega standarda, razen za razširitve in spremembe sistema, ki so bile uvedene po objavi.
Ta standard se uporablja za nove hladilne sisteme, razširitve ali spremembe že obstoječih sistemov in za obstoječe stacionarne sisteme, ki se prenesejo in upravljajo na drugem mestu postavitve.
Ta standard se uporablja tudi v primeru predelave sistema za drugo vrsto hladilnega sredstva, pri čemer je treba oceniti skladnost z ustreznimi točkami delov 1–4 tega standarda.
General Information
Relations
Overview
EN 378-2:2016 - Refrigerating systems and heat pumps: Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation specifies safety and environmental protections for the design, construction, installation, testing, marking and documentation of refrigerating systems and heat pumps. It covers piping, components, materials and ancillary equipment (for example fans, motors and transmission assemblies for open compressors), and provides procedures for commissioning, maintenance interfaces and refrigerant recovery. The standard applies to new systems, extensions, modifications and site transfers, and excludes vehicle air‑conditioning product standards and goods in storage.
Key topics and technical requirements
- Scope and applicability: Applies to stationary or mobile refrigerating systems (except vehicle AC covered by product standards) and to secondary cooling/heating systems; excludes secondary circuits except where protection is required by the refrigerating system. Systems using refrigerants not listed in Annex E of EN 378‑1:2016 are outside the scope.
- Safety requirements for components and piping: Requirements for pressure-containing parts, materials, joining methods, protective devices and selection of components according to risk and refrigerant category.
- Design and construction of assemblies: Determination of maximum allowable pressure, piping design, shut‑off and protection devices, monitoring (indicating and measuring instruments), electrical and mechanical protections, vibration and transport tests.
- Testing and commissioning: Strength and tightness tests, complete system tests before operation, commissioning procedures (Annex J) and leak simulation tests for flammable refrigerants (Annex I).
- Marking and documentation: Mandatory marking and documentation requirements to ensure traceability, safe operation and maintenance of refrigerating systems.
- Special refrigerants and hazards: Additional requirements for ammonia (R‑717) systems (Annex A), stress corrosion guidance (Annex H) and assessment guidance relating to PED and Machinery Directive compliance (Annexes ZA and ZB).
Practical applications
- Ensures safe design and construction of commercial and industrial refrigeration and heat pump installations.
- Guides manufacturers in component selection, testing regimes and required documentation.
- Provides installers and commissioning engineers with procedures for pre‑operation testing and marking.
- Helps maintenance teams and safety managers assess modifications, refrigerant conversions and site relocations.
- Supports conformity assessment against EU directives (e.g., 2014/68/EU and 2006/42/EC).
Who should use this standard
- HVAC/R system designers and engineers
- Component and equipment manufacturers
- Installation and commissioning contractors
- Maintenance and safety officers
- Notified bodies and conformity assessors
- Facility managers responsible for refrigeration safety and environmental compliance
Related standards
- EN 378‑1, EN 378‑3, EN 378‑4 (other parts of EN 378 series)
- ISO standards referenced for refrigerant classification and safe design
- EU directives referenced in Annexes ZA / ZB (PED 2014/68/EU, MD 2006/42/EC)
Keywords: EN 378-2:2016, EN 378-2, refrigerating systems, heat pumps, design, construction, testing, marking, documentation, safety, environmental requirements, refrigerants, R-717, commissioning.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.PHQWDFLMDKälteanlagen und Wärmepumpen - Sicherheitstechnische und umweltrelevante Anforderungen - Teil 2: Konstruktion, Herstellung, Prüfung, Kennzeichnung und DokumentationSystèmes de réfrigération et pompes à chaleur - Exigences de sécurité et d'environnement - Partie 2 : Conception, construction, essais, marquage et documentationRefrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation27.200Hladilna tehnologijaRefrigerating technology27.080Heat pumpsICS:Ta slovenski standard je istoveten z:EN 378-2:2016SIST EN 378-2:2017en,fr,de01-februar-2017SIST EN 378-2:2017SLOVENSKI
STANDARDSIST EN 378-2:2008+A2:20121DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 378-2
November
t r s x ICS
t yä r z râ
t yä t r r Supersedes EN
u y zæ tã t r r z ªA tã t r s tEnglish Version
Refrigerating systems and heat pumps æ Safety and environmental requirements æ Part
tã Designá constructioná testingá marking and documentation Systèmes frigorifiques et pompes à chaleur æ Exigences de sécurité et d 5environnement æ Partie
tã Conceptioná constructioná essaisá marquage et documentation
Kälteanlagen und Wärmepumpen æ Sicherheitstechnische und umweltrelevante Anforderungen æ Teil
tã Konstruktioná Herstellungá Prüfungá Kennzeichnung und Dokumentation This European Standard was approved by CEN on
u September
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey andUnited Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
t r s x CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
u y zæ tã t r s x ESIST EN 378-2:2017
Additional requirements for refrigerating systems containing R-717 . 55 A.1 Systems with a refrigerant charge above 50 kg . 55 A.2 Systems with a refrigerant charge above 3 000 kg . 55 A.3 Pumps . 55 Annex B (normative)
Determination of category for components and refrigerating system assemblies . 56 B.1 General . 56 B.2 Classification of the refrigerant . 56 B.3 Determine the maximum allowable pressure of the assembly . 56 B.4 Determine the state (liquid or gas) of the refrigerant . 56 B.5 Determination of category of components . 56 B.5.1 General . 56 B.5.2 Pressure vessels and piping. 56 B.5.3 Safety accessories . 60 B.5.4 Joining of pressure equipment . 60 B.6 Determination of category of the assembly . 63 Annex C (normative)
Requirements for intrinsic safety test . 64 C.1 General . 64 C.2 Determination of the maximum pressure during abnormal operation . 64 C.2.1 Determination of the pressure at the high pressure side (PHIS) . 64 C.2.2 Determination of the pressure at the low pressure side (PLIS) . 64 C.2.3 Determination of PHIS and PLIS for reversible heat pumps . 65 C.3 Strength pressure test . 65 C.4 Test results . 65 Annex D (normative)
List of significant hazards . 66 Annex E (informative)
Assessment of assemblies for compliance with directive 2014/68/EU . 67 Annex F (informative)
Examples for arrangement of pressure relief devices in refrigerating systems . 68 Annex G (informative)
Checklist for external visual inspection of the installation . 71 Annex H (informative)
Stress corrosion cracking . 73 H.1 Introduction. 73 H.2 Stress corrosion in copper . 73 H.3 Stress corrosion in steel . 73 H.4 Factors that influence stress corrosion cracking . 74 SIST EN 378-2:2017
Leak simulation test for A2L, A2, A3, B2L, B2, B3 refrigerants . 76 Annex J (informative)
Commissioning procedure . 78 Annex K (informative)
Information on effective ignition sources . 79 Annex ZA (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 2014/68/EU . 81 Annex ZB (informative)
Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC . 83 Bibliography . 85
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Frequently Asked Questions
EN 378-2:2016 is a standard published by the European Committee for Standardization (CEN). Its full title is "Refrigerating systems and heat pumps - Safety and environmental requirements - Part 2: Design, construction, testing, marking and documentation". This standard covers: 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 2 of this Standard is applicable to the design, construction and installation of refrigerating systems including piping, components and materials. It includes ancillary equipment not covered in FprEN 378-1:2016, FprEN 378-3:2016 or FprEN 378-4:2016 which is directly associated with these systems. It also specifies requirements for testing, commissioning, marking and documentation. Requirements for secondary heat transfer circuits are excluded except for any protection requirements associated with the refrigerating system. Ancillary equipment includes, for example, fans, fan motors, electrical motors and transmission assemblies for open compressor systems. 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 Annex E of FprEN-378 1:2016 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 to another refrigerant type, in which case conformity to the relevant clauses of parts 1 to 4 of the standard shall be assessed.
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 2 of this Standard is applicable to the design, construction and installation of refrigerating systems including piping, components and materials. It includes ancillary equipment not covered in FprEN 378-1:2016, FprEN 378-3:2016 or FprEN 378-4:2016 which is directly associated with these systems. It also specifies requirements for testing, commissioning, marking and documentation. Requirements for secondary heat transfer circuits are excluded except for any protection requirements associated with the refrigerating system. Ancillary equipment includes, for example, fans, fan motors, electrical motors and transmission assemblies for open compressor systems. 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 Annex E of FprEN-378 1:2016 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 to another refrigerant type, in which case conformity to the relevant clauses of parts 1 to 4 of the standard shall be assessed.
EN 378-2:2016 is classified under the following ICS (International Classification for Standards) categories: 27.080 - Heat pumps; 27.200 - Refrigerating technology. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 378-2:2016 has the following relationships with other standards: It is inter standard links to EN 378-2:2008+A2:2012, EN 378-2:2016/prA1, prEN 378-2, EN 378-2:2008+A1:2009. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 378-2:2016 is associated with the following European legislation: EU Directives/Regulations: 2006/42/EC, 2014/68/EU, 97/23/EC; Standardization Mandates: M/071, M/396. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
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표준 EN 378-2:2016은 냉동 시스템 및 열펌프의 안전성과 환경 요구 사항을 다루며, 설계, 건설, 테스트, 마킹 및 문서화에 대한 요구 사항을 규정하고 있습니다. 이 표준은 사람 및 재산의 안전성 보장을 위한 요구 사항을 명시하며, 환경 보호를 위한 지침을 제공합니다. 특히 냉동 시스템의 운영, 유지보수 및 수리에 대한 절차를 정립하고 있습니다. 이번 표준은 냉동 시스템의 설계, 건설 및 설치에 적용되며, 배관, 구성 요소 및 재료를 포함합니다. 또한, FprEN 378-1:2016, FprEN 378-3:2016 또는 FprEN 378-4:2016에서 다루지 않는 부가 장비에 대한 요구 사항도 포함되어 있습니다. 이러한 사항은 냉동 시스템과 직접 관련된 부가 장비, 예를 들어 팬, 팬 모터, 전기 모터 및 개방형 압축기 시스템의 전송 조립품을 포함하고 있습니다. 이 표준은 모든 크기의 고정식 또는 이동식 냉동 시스템에 적용되며, 특정 제품 표준에 포함된 차량 공조 시스템은 제외됩니다. 또한, 이 표준은 2차 냉각 또는 난방 시스템, 냉동 시스템의 설치 장소, 표준 채택 이후 동일한 기능과 용량이 아닌 교체 부품 및 추가 구성 요소에 대해서도 적용됩니다. 단, FprEN-378 1:2016의 부록 E에 언급된 냉매 외의 냉매를 사용하는 시스템은 이 표준의 적용을 받지 않습니다. EN 378-2:2016 표준은 새로운 냉동 시스템, 기존 시스템의 확장 또는 수정에 대해 적용 가능하며, 다른 장소로 이전되어 운영되는 기존 고정식 시스템에도 해당됩니다. 또한, 시스템을 다른 냉매 유형으로 전환하는 경우에도 적용되며, 이 경우 표준의 1부에서 4부에 해당하는 조항에 대한 적합성을 평가해야 합니다. 이 표준은 냉동 시스템의 안전성을 높이고 환경 보호에 기여할 수 있는 강력한 도구로, 설계 및 운영 시 고려해야 할 다양한 요소를 명시하고 있어 매우 유용합니다.
The European Standard EN 378-2:2016 plays a crucial role in ensuring the safety and environmental compliance of refrigerating systems and heat pumps. Its comprehensive scope encompasses the design, construction, testing, marking, and documentation of these systems, addressing vital considerations for the safety of individuals and property while providing guidance for environmental protection. One of the strengths of this standard is its applicability to a wide range of refrigerating systems, whether stationary or mobile, thereby catering to various sizes and configurations, with specific exclusions for vehicle air conditioning systems that are governed by separate standards. This inclusivity allows for a standardized approach across different types of refrigerating systems, ensuring safety and consistency in design and operation. Furthermore, EN 378-2:2016 goes beyond the basic requirements by specifying ancillary equipment requirements, which are essential for the overall functionality and safety of refrigerating systems. The focus on components like fans, fan motors, and electrical motors, along with the consideration for secondary cooling or heating systems, enriches the standard's relevance to contemporary refrigerating technologies. The detailed procedures outlined for testing, commissioning, and subsequent marking and documentation provide a structured framework that enhances transparency and accountability in the refrigerating sector. This is particularly significant considering the complex nature of refrigerating systems and the importance of compliance with environmental regulations. Moreover, the standard’s provisions for modifications and extensions to existing systems highlight its adaptability, making it relevant not only for new installations but also for systems already in operation, which can undergo changes without compromising safety or environmental standards. In summary, the EN 378-2:2016 standard is a vital document that establishes a robust foundation for safety and environmental practices in the design and operation of refrigerating systems and heat pumps. Its thoroughness and relevance to both contemporary practices and regulatory compliance make it a valuable reference for manufacturers, operators, and regulators in the HVAC industry.
標準 EN 378-2:2016 は、冷凍システムおよびヒートポンプの設計、構造、試験、マーキング、文書化に関する詳細な要件を示しています。この標準の範囲は、冷凍システムとその関連機器が安全かつ環境に配慮して設計され、運用されることを目指しています。具体的には、冷凍システムの構造、設置、運用に伴う安全要求を定義し、作業者や施設の安全を確保するためのガイドラインを提供します。 本標準の強みは、その包括的なカバレッジにあります。冷凍システムには移動式と固定式の両方が含まれ、大型から小型までさまざまなサイズのシステムに適用されます。また、この標準は、冷媒の回収や補充作業において、環境保護の観点からの要求事項も含まれているため、持続可能な運用の実現に寄与します。 加えて、EN 378-2:2016 は、補助機器に関する要件も明確にしており、ファンやモーター、圧縮機システム用のトランスミッションアセンブリなどが対象とされています。これは、冷凍システムの安全性や効率性を高めるために重要な要素です。また、従来の冷媒からの変更に対する柔軟性を持ち、新しい冷媒タイプへの適応や、既存のシステムに対する拡張、修正における適用を明示しています。 この標準は、冷凍システムの設計段階から運用、メンテナンスに至るまでの全過程において、実務における明確な指針と基準を提供します。したがって、冷凍システムの安全性と環境への配慮を実現するために、EN 378-2:2016は重要な役割を果たすものといえます。
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