Standard
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AS/NZS 5149.4:2016
[Current]Refrigerating systems and heat pumps — Safety and environmental requirements, Part 4: Operation, maintenance, repair and recovery (ISO 5149-4:2014, MOD)
This 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.
Published: 19/10/2016
Pages: 24
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
4.1 Operation instructions
4.1.1
4.1.2
4.1.3
4.2 Instruction of operating personnel
4.3 Documentation
4.3.1
4.3.2
4.3.3
5 Maintenance and repair
5.1 General
5.1.1
5.1.2
5.1.3
5.1.4
5.2 Maintenance
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.3 Repair
5.3.1
5.3.2
5.3.3
5.3.4
5.3.5
5.3.6
5.3.7
5.4 Change of refrigerant type
5.4.1 General
5.4.2 Planning the change of refrigerant type
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
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
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
6.2.3.2 For use in a similar system
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
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
6.4.2 Operation in 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 ammonia
6.5.3 Refrigerating machine oil
6.5.4 Other components
6.6 Requirements for documentation
Annex A
A.1 General
A.2 Ammonia systems with immiscible oil
A.2.1 General
A.2.2 Draining procedure
Annex B
B.1
B.2
B.3
B.4
B.5
Annex C
C.1 General
C.2 Handling
C.2.1
C.2.2
C.2.3
C.2.4
C.2.5
C.2.6
C.2.7
C.2.8
C.2.9
C.2.10
C.2.11
C.2.12
C.2.13
C.2.14
C.3 Storage
C.3.1
C.3.2
C.3.3
C.3.4
C.4 Special provisions for handling ammonia vapour during maintenance or decommissioning
C.4.1 General
C.4.2 Limitations of ammonia vapour absorption
C.4.3 Procedure for ammonia vapour absorption
C.4.4 Disposal of the aqua-ammonia solution
Annex D
D.1
D.2
D.3
D.4
D.5
D.6
D.7
D.8
Annex E
Bibliography
Appendix ZZ
ZZ1 Scope
ZZ2 Variations
Cited references in this standard
ISO 5149-2:2014,
Refrigerating systems and heat pumps — Safety and environmental requirements — Part 2: Design, construction, testing, marking and documentation
[Current]
Refrigerating systems and heat pumps — Safety and environmental requirements — Part 1: Definitions, classification and selection criteria
[Current]
Household and similar electrical appliances - Safety - Part 2-108: Particular requirements for electrolysers
Content history
[Superseded]
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