ДСТУ EN 378-2:2017 Холодильні установки та теплові насоси. Безпечність та екологічні вимоги. Частина 2. Проектування, спорудження, випробування, маркування та документація (EN 378-2:2016, IDT)

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Наказ від 07.08.2017 № 212

EN 378-2:2016

Refrigerating systems and heat pumps — Safety and environmental requirements —
Part 2: Design, construction, testing, marking and documentation

прийнято як національний стандарт
 методом «підтвердження» за позначенням
 

ДCTУ EN 378-2:2017
(EN 378-2:2016, IDT)

Холодильні установки та теплові насоси. Безпечність та екологічні вимоги.
Частина 2. Проектування, спорудження, випробування, маркування та документація

З наданням чинності від 2017-08-10

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions and abbreviated terms

4 Significant hazards

5 Safety requirements

5.1 General safety and environmental requirements

5.1.1 General

5.1.2 Hazards to persons, property and environment

5.2 Safety requirements for components and piping

5.2.1 General requirements

5.2.2 Specific requirements

5.3 Miscellaneous components

5.3.1 Materials

5.3.2 Testing

5.3.3 Marking

5.3.4 Documentation

6 Requirements for assemblies

6.1 General

6.2 Design and construction

6.2.1 General

6.2.2 Determination of the maximum allowable pressure

6.2.3 Piping

6.2.4 Shut off devices

6.2.5 Protection devices

6.2.6 Application of protection devices

6.2.7 Indicating and measuring instruments (monitoring)

6.2.8 Liquid slugging in compressors

6.2.9 Electrical requirements

6.2.10 Protection against hot surfaces

6.2.11 Protection against moving parts

6.2.12 Vibration and drop test

6.2.13 Transport test

6.2.14 Protection against fire and explosion hazards

6.2.15 Requirements for ventilated enclosures

6.2.16 Electromagnetic compatibility and fields (EMC, EMF)

6.2.17 Noise

6.3 Testing

6.3.1 Tests

6.3.2 Strength pressure test

6.3.3 Tightness test

6.3.4 Test of the complete refrigerating system before putting it into operation

6.4 Marking and documentation

6.4.1 General

6.4.2 Marking

6.4.3 Documentation

Annex A (normative) Additional requirements for refrigerating systems containing R-717

A.1 Systems with a refrigerant charge above 50 kg

A.2 Systems with a refrigerant charge above 3 000 kg

A.3 Pumps

Annex B (normative) Determination of category for components and refrigerating system assemblies

B.1 General

B.2 Classification of the refrigerant

B.3 Determine the maximum allowable pressure of the assembly

B.4 Determine the state (liquid or gas) of the refrigerant

B.5 Determination of category of components

B.5.1 General

B.5.2 Pressure vessels and piping

B.5.3 Safety accessories

B.5.4 Joining of pressure equipment

B.6 Determination of category of the assembly

Annex C (normative) Requirements for intrinsic safety test

C.1 General

C.2 Determination of the maximum pressure during abnormal operation

C.2.1 Determination of the pressure at the high pressure side (PHIS)

C.2.2 Determination of the pressure at the low pressure side (PLIS)

C.2.3 Determination of PHIS and PLIS for reversible heat pumps

C.3 Strength pressure test

C.4 Test results

Annex D (normative) List of significant hazards

Annex E (informative) Assessment of assemblies for compliance with directive 2014/68/EU

Annex F (informative) Examples for arrangement of pressure relief devices in refrigerating systems

Annex G (informative) Checklist for external visual inspection of the installation

Annex H (informative) Stress corrosion cracking

H.1 Introduction

H.2 Stress corrosion in copper

H.3 Stress corrosion in steel

H.4 Factors that influence stress corrosion cracking

H.4.1 General

H.4.2 Yield strength

H.4.3 Temperature

H.4.4 Oxygen content

H.4.5 Water content

H.4.6 Age of equipment

H.4.7 Avoiding stress corrosion cracking

H.4.8 Conclusions

Annex I (informative) Leak simulation test for A2L, A2, A3, B2L, B2, B3 refrigerants

Annex J (informative) Commissioning procedure

Annex K (informative) Information on effective ignition sources

Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2014/68/EU

Annex ZB (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC

Bibliography