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BS EN 378-4:2016+A1:2019

BS EN 378-4:2016+A1:2019

$142.49

Refrigerating systems and heat pumps. Safety and environmental requirements – Operation, maintenance, repair and recovery

Published By Publication Date Number of Pages
BSI 2019 32
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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 standard applies:

  1. to refrigerating systems, stationary or mobile, of all sizes including heat pumps;

  2. to secondary cooling or heating systems;

  3. to the location of the refrigerating systems;

  4. to parts replaced and components added after adoption of this standard if they are not identical in function and capacity.

This standard does not cover “motor vehicle air conditioners” constructed according to product standards such as ISO 13043.

Systems using refrigerants other than those listed in EN 378-1:2016, Annex E are not covered by this standard unless they have been assigned to a safety class according to ISO 817.

This standard does not apply to goods in storage.

This standard is not applicable to refrigeration systems and heat pumps 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 Part 4 of the European Standard specifies requirements for safety and environmental aspects in relation to operation, maintenance, and repair of refrigerating systems and the recovery, reuse and disposal of all types of refrigerant, refrigerant oil, heat-transfer fluid, refrigerating system and part thereof.

These requirements are intended to minimise risks of injury to persons and damage to property and the environment resulting from improper handling of the refrigerants or from contaminants leading to system breakdown and resultant emission of the refrigerant.

Subclauses 4, 5.1.1 to 5.1.4, 5.2, 5.3.1, 5.3.3 and 6.6 of this European Standard are not applicable to unitary systems having a power cord, being factory sealed, and in conformance with EN 60335 series.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 1 Scope
2 Normative references
8 3 Terms, definitions and abbreviated terms
4 General requirements
4.1 Operating instructions
4.2 Documentation
5 Maintenance and repair
5.1 General
9 5.2 Maintenance
10 5.3 Repair
11 5.4 Change of refrigerant type
5.4.1 General
5.4.2 Planning the change of refrigerant type
12 5.4.3 Execution of the change of refrigerant type
6 Requirements for recovery, reuse and disposal
6.1 General requirements
6.1.1 Disposal
6.1.2 Personnel
13 6.1.3 Parts of refrigerating systems
6.1.4 Refrigerants
6.1.5 Handling
6.2 Requirements for recovery and reuse of refrigerant
6.2.1 General
14 6.2.2 Recovery for general reuse
6.2.3 Recovery for reuse in the same or similar system
6.2.3.1 For reuse in the same system
15 6.2.3.2 For use in a similar system
16 6.2.4 Requirements for refrigerant recovery and recycling equipment and procedures
6.2.5 Reclaim
6.2.5.1 Analysis
6.2.5.2 Specification
6.3 Requirements for refrigerant transfer, transport and storage
6.3.1 General
6.3.2 Refrigerant transfer
6.3.2.1 Procedure
6.3.2.2 Refrigerant container
17 6.3.2.3 Disposable container
6.3.2.4 Container filling
6.3.2.5 Different refrigerants
6.3.3 Transport
6.3.4 Storage
6.4 Requirements for recovery equipment
6.4.1 General
18 6.4.2 Operation with respect to the environment
6.4.3 Performance
6.4.4 Operation and maintenance
6.5 Requirements for disposal
6.5.1 Refrigerant not intended for reuse
6.5.2 Absorbed R-717 (ammonia)
6.5.3 Refrigerating machine oil
6.5.4 Other components
6.6 Requirements for documentation
19 Annex A (normative)Draining the oil from a refrigerating system
A.1 General
A.2 Ammonia systems
A.2.1 General
A.2.2 Draining procedure
20 Annex B (informative)Guide specification for recycled refrigerant
21 Annex C (informative)Handling and storage of refrigerants
C.1 General
C.2 Handling
22 C.3 Storage
C.4 Special provisions for handling ammonia vapour during maintenance or decommissioning
C.4.1 General
23 C.4.2 Limitations of ammonia vapour absorption
C.4.3 Procedure for ammonia vapour absorption
24 C.4.4 Disposal of the aqua-ammonia solution
25 Annex D (informative)!In-service inspection
28 Annex E (informative)Guidelines for repairs of equipment using flammable refrigerants
E.1 General requirements for equipment
E.2 Repairs to electrical components
E.2.1 Repairs to electrical components
E.2.2 Repairs to sealed components
29 E.2.3 Repairs to intrinsically safe components
E.3 Repairs to refrigerating system
30 E.4 Requirements for the competent persons

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BS EN 378-4:2016+A1:2019
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