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BS EN 378-1:2016+A1:2020

BS EN 378-1:2016+A1:2020

$215.11

Refrigerating systems and heat pumps. Safety and environmental requirements – Basic requirements, definitions, classification and selection criteria

Published By Publication Date Number of Pages
BSI 2020 80
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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 part of EN 378 specifies the classification and selection criteria applicable to refrigerating systems. These classification and selection criteria are used in parts 2, 3 and 4. 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 this European Standard are not covered by this standard. Annex C specifies how to determine the amount of refrigerant permitted in a given space, which when exceeded, requires additional protective measures to reduce the risk. Annex E specifies criteria for safety and environmental considerations of different refrigerants used in refrigeration and air conditioning. This standard is not applicable to refrigerating 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. Product family standards dealing with the safety of refrigerating systems takes precedence over horizontal and generic standards covering the same subject.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
10 3 Terms and definitions
3.1 Refrigerating systems
12 3.2 Occupancies, locations
13 3.3 Pressures
14 3.4 Components of refrigerating systems
16 3.5 Piping and joints
17 3.6 Safety accessories
19 3.7 Fluids
22 3.8 Miscellaneous
4 Symbols and abbreviated terms
24 5 Classification
5.1 Access categories
5.1.1 General
25 5.1.2 More than one access category
5.2 Designation and classification of refrigerants
5.3 Location classification of refrigerating systems
26 5.4 Refrigerating system classification
5.4.1 General
5.4.2 Direct releasable systems
5.4.3 Indirect systems
5.5 Examples of systems
5.5.1 Direct releasable systems
5.5.1.1 Direct system
27 5.5.1.2 Open spray system
5.5.1.3 Direct ducted system
28 5.5.1.4 Open vented spray system
5.5.2 Indirect systems
5.5.2.1 Indirect closed system
29 5.5.2.2 Indirect vented system
5.5.2.3 Indirect vented closed system
30 5.5.2.4 Double indirect system
5.5.2.5 High pressure indirect system
31 5.6 Special requirements for ice rinks
6 Quantity of refrigerant
7 Space volume calculations
33 Annex A (informative)Equivalent terms in English, French and German
38 Annex B (informative)Total equivalent warming impact (TEWI)
41 Annex C (normative)Refrigerant charge limit requirements
C.1 Charge limits requirements for refrigerating systems
50 C.2 Charge limitations due to flammability for air conditioning systems or heat pumps for human comfort
C.2.1 Refrigerant-containing parts in a occupied space
C.2.2 Special requirements for non fixed factory sealed single package air conditioning systems or heat pumps with a limited charge
51 C.3 Alternative for risk management of refrigerating systems in occupied spaces
C.3.1 General
52 C.3.2 Allowable charge
C.3.2.1 General
54 C.3.2.2 Occupancies except those on the lowest underground floor of the building
C.3.2.3 Occupancies on the lowest underground floor of the building
C.3.2.4 Effect of flow down
55 Annex D (informative)Protection for people who are inside cold rooms
D.1 General
D.2 Operation of doors and emergency exit doors
D.3 Emergency switch or signal
56 D.4 Cold rooms with a controlled atmosphere
57 Annex E (normative)Safety classification and information about refrigerants
73 Annex F (normative)Special requirements for ice rinks
F.1 Indoor ice rinks
F.2 Outdoor ice rinks and installations for similar sporting activities
74 Annex G (informative)Potential hazards for refrigerating systems
76 Annex H (informative)Calculation examples related to C.2 and C.3
H.1 Example 1 for C.2.1
H.2 Example 2 for C.2.1
H.3 Example 3 for C.3
H.4 Example 4 for C.3

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BS EN 378-1:2016+A1:2020
$215.11