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BS EN 203-1:2021+A1:2023:2024 Edition

BS EN 203-1:2021+A1:2023:2024 Edition

$215.11

Gas heated catering equipment – General safety requirements

Published By Publication Date Number of Pages
BSI 2024 90
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PDF Pages PDF Title
2 undefined
11 1 Scope
2 Normative references
13 3 Terms and definitions
3.1 Terminology referring to gases and pressures
14 3.2 Terminology referring to appliance design
3.2.1 Terminology referring to the gas circuit
15 3.2.2 Terminology referring to the burner
16 3.2.3 Terminology referring to the combustion circuit
17 3.2.4 Terminology referring to the auxiliary equipment
19 3.3 Terminology referring to appliance operation
3.3.1 Terminology referring to gas rates
3.3.2 Terminology referring to gas combustion
21 4 Classification
22 5 Constructional requirements
5.1 General
5.1.1 Conversion to different gases
5.1.1.1 General
5.1.1.2 Category I
23 5.1.1.3 Category II
5.1.1.4 Category III
24 5.1.2 Materials and methods of construction
5.1.3 Use, cleaning and maintenance
5.1.4 Gas connections
25 5.1.5 Soundness
5.1.5.1 Soundness of the gas circuit
5.1.5.2 Soundness of the combustion products circuit
5.1.6 Supply of combustion air and evacuation of combustion products
5.1.6.1 General
26 5.1.6.2 Appliances equipped with a fan
5.1.6.3 Appliances fitted with a gas/air ratio control device
5.1.6.4 Appliances not intended to be connected to an evacuation duct of the combustion products (Type A)
5.1.6.5 Appliances intended to be connected to an evacuation duct of the combustion products (Type B)
27 5.1.7 Flame visibility
5.1.8 Electrical safety
5.1.9 Construction requirements for gas cylinder compartment
28 5.1.10 Cleanability of material in contact with food
5.2 Particular requirements for components in the gas circuit
5.2.1 General
5.2.2 Gas rate control and shut-off device
5.2.2.1 General
5.2.2.2 Shut-off device
29 5.2.2.3 Control knobs
30 5.2.2.4 Marking and indicators
5.2.3 Auxiliary equipment
5.2.3.1 General
5.2.3.2 Ignition device
31 5.2.3.3 Flame supervision device
5.2.3.4 Gas pressure regulator
5.2.3.5 Regulating and overheat limit devices
32 5.2.3.6 Pressure test points
5.2.4 Burners
5.2.5 Gas rate adjusters
33 5.3 Particular requirements
5.3.1 Food spillage
5.3.2 Stability and mechanical safety
5.3.3 Safety from fire risk
5.3.4 Appliances connected to water mains
5.3.5 Pressurized parts
34 5.3.6 Appliances with heat-bearing fluid
6 Performance requirements
6.1 Soundness
6.1.1 Soundness of the gas circuit
6.1.2 Soundness of combustion product circuit of type B appliances
6.1.2.1 General
6.1.2.2 Type B1 appliances not including type B14
6.1.2.3 Type B14 and B2 appliances
35 6.2 Obtaining the gas rate
6.2.1 Nominal heat input (Qn)
6.2.2 Full gas rate
6.2.3 Reduced gas rate
6.2.4 Ignition burner heat input
36 6.3 Safety of operation
6.3.1 Burners
6.3.1.1 Resistance to overheating
6.3.1.2 Escape of unburned gas
6.3.2 Temperature limits
6.3.2.1 Protection against risk of fire
37 6.3.2.2 Protection against risk of burns
6.3.2.3 Regulating, control and safety devices
38 6.3.3 Ignition – cross-lighting – flame stability
6.3.3.1 Influence of supply conditions
6.3.3.2 Influence of winds and room draughts
6.3.4 Combustion products discharge safety devices for type B11BS appliances
6.3.5 Pre-purge
6.3.5.1 General
39 6.3.5.2 Functioning of the permanent ignition burner when the fan stops during standby time
6.4 Influence of burners on each other
6.5 Auxiliary equipment
6.5.1 Flame supervision device
6.5.1.1 Thermoelectric flame supervision device
6.5.1.2 Automatic burner control system
40 6.5.2 Ignition device
6.6 Air proving device
6.6.1 General
6.6.2 Supervision of the combustion air or combustion products rate
41 6.6.3 Supervision of the combustion air pressure or combustion products pressure
6.6.4 Gas/air ratio controls
6.7 Combustion
6.7.1 All appliances (in calm air)
6.7.2 Special conditions
6.7.2.1 Type B14 appliances
6.7.2.2 Type B2 appliances
42 6.8 Auxiliary energy
6.8.1 Electrical energy fluctuation
6.8.1.1 Normal fluctuation
6.8.1.2 Abnormal fluctuation
6.8.2 Electrical energy shut off
6.8.3 Other types of auxiliary energy
6.9 Rational use of energy
6.10 Operating requirements – Temperature of the LPG cylinder and its compartment
6.10.1 Temperature of the walls of the compartment
6.10.2 Temperature of the LPG cylinder
43 7 Test conditions
7.1 General
7.1.1 Characteristics of the test gases
7.1.2 Requirements for making up test gases
7.1.3 Test room
7.1.4 Preparation of the appliance
44 7.1.5 Practical method of test
7.1.5.1 Verification of constructional requirements
7.1.5.2 Conditions of supply and adjustment of the appliances
7.1.6 Test pressures
45 7.1.7 Carrying out the tests
7.1.7.1 Tests requiring all the gases to be used
7.1.7.2 Other tests
7.1.8 Accuracy of measuring instruments
46 7.2 Soundness
7.2.1 Soundness of the gas circuit
7.2.2 Soundness of the combustion circuit and correct evacuation of the combustion products for type B appliances
7.2.2.1 Type B1 appliances not including type B14
47 7.2.2.2 Type B14 and B2 appliances
7.3 Obtaining gas rates
7.3.1 General
7.3.2 Nominal heat input
7.3.2.1 General
49 7.3.2.2 Verification of the heat input of unregulated appliances without gas rate adjusters or where these devices are put out of service
7.3.2.3 Verification of the performance of gas rate adjusters for unregulated appliances
7.3.2.4 Regulated appliances
7.3.3 Full gas rate
7.3.4 Reduced gas rate
50 7.3.5 Ignition device
7.4 Operational safety
7.4.1 Burners
7.4.1.1 Resistance to overheating
7.4.1.2 Escape of unburned gas
7.4.2 Limit temperatures
7.4.2.1 General
51 7.4.2.2 Protection against risk of fire
7.4.2.3 Protection against risk of burns
7.4.2.4 Regulating, control and safety devices
7.4.2.5 Abnormal operation
7.4.3 Ignition – cross – lighting – flame stability
7.4.3.1 General
52 7.4.3.2 Influence of the supply conditions
7.4.3.3 Influence of wind and draughts
53 7.4.3.4 Specific tests for type B appliances
54 7.4.3.5 Effectiveness of the pre-purge
55 7.4.3.6 Functioning of a permanent ignition burner when the fan is stopped during standby time
7.4.3.7 Influence of burners on each other
56 7.5 Auxiliary equipment
7.5.1 Flame supervision device
7.5.1.1 Thermoelectric flame supervision device
7.5.1.2 Automatic burner control system
57 7.6 Combustion
7.6.1 General
58 7.6.2 Tests carried out under normal conditions
7.6.2.1 General test conditions
59 7.6.2.2 Supplementary test
60 7.6.3 Specific test for type B appliances
7.6.3.1 General
7.6.3.2 Type B1 appliances not including type B14
7.6.3.3 Type B14 appliances
7.6.3.4 Type B2 appliances
7.6.4 Test with sooting limit gas
7.7 Air-proving device
7.7.1 General
61 7.7.2 Supervision of the combustion air or the combustion products rate
7.7.2.1 For appliances other than type B1
7.7.2.2 For B14 appliances
7.7.3 Supervision of the combustion air or the combustion products pressure
62 7.8 Special tests
7.8.1 Stability and mechanical safety
7.8.2 Pressurized parts
7.8.3 Appliances with heat-bearing fluid
7.9 Test method – Overheating of the LPG cylinder and its compartment
63 7.10 Rational use of energy
8 Marking and instructions
8.1 General requirements for marking and instructions
8.2 Marking on the appliance
8.2.1 Data plates, labels and packaging
64 8.2.2 Additional marking on the appliance and packaging
8.3 Instructions for installation and adjustment
8.3.1 Requirements for installation and adjustment
66 8.3.2 Additional requirements for installation and adjustment
8.4 Instructions for use and maintenance
8.4.1 Requirements for instructions for use and maintenance
67 8.4.2 Additional requirements for instructions for use and maintenance
74 Annex A (informative)National situations
A.1 Connection requirements in force in various countries (see 5.1.4)
75 A.2 Requirements for flue connection in force in various countries (see 5.1.6.5)
76 A.3 Categories, test gases and test pressures
77 Annex B (normative)Use of symbols on appliances and packaging
B.1 General
B.2 Electric power supply
B.3 Type of gas
B.4 Gas supply pressure
78 B.5 Country of destination
B.6 Category
B.7 Other optional information
B.8 Nominal heat input of burner
B.9 Nominal heat input of set of burners on appliance
79 Annex C (informative)Trilingual list of appliances in the scope of EN 2031 and corresponding Part 2
81 Annex D (informative)Configuration of the gas circuit
D.1 Minimum requirements for appliances with or without fan, but with permanent or alternating ignition burner and appliances with fan and pre-purge
82 D.2 Minimum requirements for appliances with fan, without permanent or alternating ignition burner and without pre-purge
83 Annex E (normative)Material in contact with food
86 Annex ZA (informative)Relationship between this European Standard and the essential requirements of Regulation (EU) 2016/426 aimed to be covered

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BS EN 203-1:2021+A1:2023
$215.11