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BS EN 378-3:2016+A1:2020

BS EN 378-3:2016+A1:2020

$142.49

Refrigerating systems and heat pumps. Safety and environmental requirements – Installation site and personal protection

Published By Publication Date Number of Pages
BSI 2020 28
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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 3 of the European Standard is applicable to the installation site (plant space and services). It specifies requirements on the site for safety, which may be needed because of, but not directly connected with, the refrigerating system and its ancillary components. 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 of FprEN 378-1:2016, Annex E 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 for another refrigerant type, in which case conformity with the relevant clauses of parts 1 to 4 of the standard shall be assessed.

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
10 3 Terms, definitions and abbreviated terms
4 Location of refrigerating equipment
4.1 !General
11 4.2 Refrigerating equipment located in the open air
4.3 Refrigerating equipment located in a machinery room
4.4 !Refrigerating equipment located in the occupied space
4.5 Refrigerating equipment located in an unoccupied space not designated a machinery room
12 4.6 Refrigerating equipment located in a ventilated enclosure within an occupied space
4.7 Piping duct or shaft
5 Machinery rooms
5.1 Access to machinery rooms
5.2 Venting from or through the machinery room
5.3 Combustion equipment and air compressors
13 5.4 Open flame
5.5 Storage
5.6 Remote emergency switch
5.7 Exterior openings of the machinery room
5.8 Piping and ducting
5.9 Normal lighting
5.10 Emergency lighting
5.11 Dimensions and accessibility
14 5.12 Doors, walls and ducts
5.12.1 Doors and openings
5.12.2 Emergency
5.12.3 Walls, floor and ceiling
5.12.4 Service ducts
5.12.5 Ventilation ducts
15 5.13 Ventilation
5.13.1 General
5.13.2 Ventilation for normal operating conditions or when machinery room is occupied
5.13.3 Emergency mechanical ventilation
5.13.4 Required airflow for emergency mechanical ventilation
5.13.5 Mechanical ventilation openings
16 5.14 Machinery rooms for groups A2L, A2, A3, B2L, B2 and B3 refrigerants
5.14.1 General
5.14.2 Location
5.14.2.1 General
5.14.2.2 Emergency exhaust ventilation
5.14.3 Additional requirements for R-717
5.14.3.1 Drainage
5.14.3.2 Specific equipment for emergency washing
5.14.3.3 !Fire sprinkler systems
17 5.14.4 Maximum surface temperature
6 Requirements for alternative provisions
6.1 General
6.2 Occupied space
18 6.3 Ventilation
6.3.1 General
6.3.2 Dilution transfer openings (air transfer openings for dilution) for natural convection
6.3.3 Mechanical ventilation
6.3.3.1 Required airflow
19 6.3.3.2 Mechanical ventilation openings
6.3.3.3 Operation of mechanical ventilation
6.4 Safety shut off valves
6.4.1 General
20 6.4.2 Location
6.4.3 Design
7 Electrical installations
7.1 General requirements
7.2 Main power supply
7.3 Electrical equipment in machinery rooms with refrigerating systems containing flammable refrigerants
8 Safety alarms
8.1 General
21 8.2 Alarm system power
8.3 Alarm system warning
8.4 Additional alarm system requirements for R-717 systems with charges above 3 000 kg
9 Detectors
9.1 General
9.2 Location of detectors
9.3 Type and performance of detectors
9.3.1 !General
22 9.3.2 Refrigerant detectors for A2, A2L, B2L (except for R-717), B2, A3 and B3 refrigerants
9.3.3 R-717 detectors
23 9.4 Installation
10 Instruction manuals, notices and inspections
10.1 Instruction manual
10.2 Warning notice
10.3 Visual inspection of the site
24 10.4 Maintenance of the site
11 Heat sources and temporary high temperatures at the site
25 Annex A (informative)Personal protective equipment
A.1 General requirements
A.1.1 Type of protective equipment
A.1.2 Accessibility
A.1.3 Location
A.1.4 Check and maintenance
A.1.5 Temperature
A.1.6 Respirators
26 A.2 Normal use
A.3 Emergency use
A.3.1 General
A.3.2 Respiratory protective devices
A.3.3 First aid equipment

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BS EN 378-3:2016+A1:2020
$142.49