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BS EN 17175:2019 Gas-fired overhead radiant strip heaters and multi-burner continuous radiant tube heater systems for non-domestic use. Safety and energy efficiency, 2020
- undefined
- 1 Scope
- 2 Normative references
- 3 Terms, definitions and symbols [Go to Page]
- 3.1 System and its constituent parts
- 3.2 Combustion circuit
- 3.3 Adjusting, control and safety devices
- 3.4 Operation of the appliance
- 3.5 Gases
- 3.6 Conditions of operation and measurement
- 3.7 Energy efficiency
- 3.8 Country of destination
- 3.9 Symbols
- 4 Classification of appliances [Go to Page]
- 4.1 Classification according gases and categories
- 4.2 Classification according to the mode of evacuation of the combustion products [Go to Page]
- 4.2.1 General
- 4.2.2 Type B appliance
- 4.2.3 Type C appliance
- 5 Constructional requirements [Go to Page]
- 5.1 General [Go to Page]
- 5.1.1 Conversion to different gases [Go to Page]
- 5.1.1.1 General
- 5.1.1.2 Category I
- 5.1.1.3 Category II and III
- 5.1.2 Materials and method of construction
- 5.1.3 Accessibility for maintenance and use
- 5.1.4 Flexible gas connection
- 5.1.5 Soundness of the gas and combustion circuit [Go to Page]
- 5.1.5.1 Soundness of the gas circuit
- 5.1.5.2 Soundness of the combustion circuit
- 5.1.5.3 Soundness of the combustion circuit (Type B appliances)
- 5.1.5.4 Soundness of the combustion circuit (Type C appliances)
- 5.1.6 Supply of combustion air and evacuation of combustion products [Go to Page]
- 5.1.6.1 General
- 5.1.6.2 Air supply and combustion products evacuation ducts
- 5.1.6.3 Air inlets
- 5.1.6.4 Appliance flue outlet
- 5.1.6.5 Type B22 and Type B23 appliances
- 5.1.6.6 Type B52 and B53 appliances
- 5.1.6.7 Combustion circuit
- 5.1.7 Gas Inlet connections
- 5.1.8 State of operation
- 5.1.9 Electrical safety
- 5.1.10 Operational safety in the event of fluctuation, interruption and restoration of the auxiliary energy
- 5.1.11 Motors and fans
- 5.2 Requirements for adjusting, control and safety devices [Go to Page]
- 5.2.1 General
- 5.2.2 Gas rate adjusters
- 5.2.3 Range-rating devices
- 5.2.4 Primary aeration adjuster
- 5.2.5 Manual controls [Go to Page]
- 5.2.5.1 Application
- 5.2.5.2 Manual valves
- 5.2.6 Air/gas ratio control for multiple-burner continuous radiant tube heater system
- 5.2.7 Regulators
- 5.2.8 Multifunctional controls
- 5.2.9 Automatic shut-off valves
- 5.2.10 Gas strainers
- 5.2.11 Thermostats
- 5.2.12 Air proving devices [Go to Page]
- 5.2.12.1 General
- 5.2.12.2 Burner units
- 5.2.12.3 Common duct
- 5.2.13 Automatic system control [Go to Page]
- 5.2.13.1 System operating sequence
- 5.2.13.2 Automatic burner control system
- 5.2.13.3 Air / gas ratio controls
- 5.3 Ignition devices [Go to Page]
- 5.3.1 General
- 5.3.2 Ignition device for the main burner
- 5.4 Main burners
- 5.5 Temperature controls [Go to Page]
- 5.5.1 General requirements
- 5.5.2 Temperature limiter
- 5.5.3 Overheat thermal cut-out
- 5.5.4 Temperature limiter / Overheat thermal cut-out
- 5.6 Pressure test points [Go to Page]
- 5.6.1 Gas pressure test point
- 5.6.2 Air pressure test point
- 5.7 Injectors
- 5.8 Exhaust gas heat exchanger
- 6 Operational requirements [Go to Page]
- 6.1 Test methods [Go to Page]
- 6.1.1 Characteristics of test gases (Reference and limit gases)
- 6.1.2 Conditions for preparation of the test gases
- 6.1.3 Practical application of test gases [Go to Page]
- 6.1.3.1 Choice of test gases
- 6.1.3.2 Conditions of supply and adjustment of the burner unit
- 6.1.4 Test pressures
- 6.1.5 Test procedures [Go to Page]
- 6.1.5.1 Tests requiring the use of reference gas
- 6.1.5.2 Tests requiring the use of limit gases
- 6.1.6 General test conditions [Go to Page]
- 6.1.6.1 Test room
- 6.1.6.2 Evacuation of the products of combustion
- 6.1.6.3 Test installation
- 6.1.6.4 Influence of thermostats
- 6.1.6.5 Electrical supply
- 6.1.6.6 Range rated burner units
- 6.1.6.7 Two-stage, multi-stage and modulating appliances
- 6.2 Safety of operation [Go to Page]
- 6.2.1 Soundness [Go to Page]
- 6.2.1.1 Soundness of the gas circuit
- 6.2.1.2 Soundness of the combustion circuit and correct evacuation of combustion products
- 6.2.2 Heat inputs [Go to Page]
- 6.2.2.1 General
- 6.2.2.2 Nominal heat input
- 6.2.2.3 Start gas heat input
- 6.2.2.4 Effectiveness of the range-rating device
- 6.2.3 Limiting temperatures [Go to Page]
- 6.2.3.1 Wall and ceiling temperatures
- 6.2.3.2 Component temperatures
- 6.2.3.3 Fan motor temperatures
- 6.2.3.4 POCED
- 6.2.4 Ignition, cross-lighting and flame stability [Go to Page]
- 6.2.4.1 Ignition and cross-lighting
- 6.2.4.2 Safety time
- 6.2.4.3 Flame stability
- 6.2.4.4 Supplementary tests
- 6.2.5 Pressure regulator
- 6.2.6 Air-gas ratio controls [Go to Page]
- 6.2.6.1 Leakage of non-metallic control tubes
- 6.2.6.2 Supervision of the combustion air rate or the combustion products rate
- 6.2.6.3 Gas/air pressure ratio adjustment
- 6.2.7 Combustion [Go to Page]
- 6.2.7.1 General
- 6.2.7.2 All appliances (still air conditions)
- 6.2.7.3 Supplementary tests under special conditions
- 6.2.8 Air proving device in the common duct
- 6.3 Oxides of Nitrogen, NOx [Go to Page]
- 6.3.1 General
- 6.3.2 Weighting [Go to Page]
- 6.3.2.1 General
- 6.3.2.2 Single-stage appliances
- 6.3.2.3 Two-stage, multi-stage and modulating appliances
- 6.3.3 Declaration of values of oxides of nitrogen, NOx
- 6.4 Determination of electrical power consumption [Go to Page]
- 6.4.1 General
- 6.4.2 Auxiliary energy at nominal load
- 6.4.3 Auxiliary energy at minimum load
- 6.4.4 Auxiliary energy at stand-by
- 7 Energy Efficiency [Go to Page]
- 7.1 General principle of measurement and calculation radiant factor [Go to Page]
- 7.1.1 Simplification for multi-burner continuous radiant tube heaters
- 7.2 Working space
- 7.3 Test equipment to determine radiant output [Go to Page]
- 7.3.1 Installation
- 7.3.2 Mechanical equipment and radiometer positioning / measuring grid
- 7.3.3 Radiometer equipment and calibration [Go to Page]
- 7.3.3.1 General
- 7.3.3.2 Radiometer settings
- 7.3.3.3 Signal acquisition
- 7.4 Test procedure [Go to Page]
- 7.4.1 Adjustments
- 7.4.2 Measurement procedure
- 7.5 Calculation of radiant factor [Go to Page]
- 7.5.1 Calculation of heat input
- 7.5.2 Calculation of radiant output [Go to Page]
- 7.5.2.1 General
- 7.5.2.2 Treatment of negative radiometer readings
- 7.5.2.3 Correction of measured radiant output for radiant absorption by H2O and CO2
- 7.5.3 Calculation of radiant factor [Go to Page]
- 7.5.3.1 General
- 7.5.3.2 Radiant factor at nominal heat input (RFnom)
- 7.5.3.3 Radiant factor at minimum heat input (RFmin)
- 7.6 Determination of thermal efficiency [Go to Page]
- 7.6.1 General test conditions
- 7.6.2 Test procedure
- 7.6.3 Accuracy of measurement
- 7.6.4 Additional test for two-stage, multi-stage and modulating appliances
- 7.6.5 Calculation of thermal efficiency
- 7.7 Test report [Go to Page]
- 7.7.1 General
- 7.7.2 Worked example of test report
- 8 Requirements of energy efficiency (rational use of energy) [Go to Page]
- 8.1 General
- 8.2 Seasonal energy efficiency [Go to Page]
- 8.2.1 General
- 8.2.2 Seasonal space heating efficiency calculation [Go to Page]
- 8.2.2.1 General
- 8.2.2.2 Correction factor F(1)
- 8.2.2.3 Correction factor F(4)
- 8.2.2.4 Correction factor F(5)
- 9 Risk assessment
- 10 Marking and instructions [Go to Page]
- 10.1 Marking of the appliance and the packaging [Go to Page]
- 10.1.1 Designation
- 10.1.2 Data plate
- 10.1.3 Other marking
- 10.1.4 Marking on the packaging
- 10.1.5 Utilization of symbols on the appliance or system and packaging [Go to Page]
- 10.1.5.1 Electrical supply
- 10.1.5.2 Type of gas
- 10.1.5.3 Gas supply pressure
- 10.1.5.4 Category
- 10.1.5.5 Other information
- 10.2 Instructions [Go to Page]
- 10.2.1 General
- 10.2.2 Technical instructions [Go to Page]
- 10.2.2.1 Technical instructions for installation and adjustment
- 10.2.2.2 Instructions for use and maintenance
- 10.2.2.3 Conversion instructions
- 10.2.2.4 Instructions for the installation of fittings
- 10.3 Presentation
- 10.4 Information Requirements
- Annex A (informative)National situations [Go to Page]
- A.1 General [Go to Page]
- A.1.1 Categories
- A.1.2 Gas rate adjusters, aeration adjusters and regulators
- A.1.3 Conversion to different gases
- A.2 Gas connections in the various countries
- A.3 Flue connections in the various countries
- Annex B (informative)Types of appliances [Go to Page]
- B.1 Single burner overhead radiant strip heaters [Go to Page]
- B.1.1 Type B appliances with a fan in the combustion circuit
- B.1.2 Type C appliances with a fan in the combustion circuit
- B.2 Multiple burner overhead continuous radiant tube heater systems - Type B22 or B52 appliances with a fan in the combustion circuit
- Annex C (informative)Equivalence rules [Go to Page]
- C.1 Conversion to categories within a restricted Wobbe Index range
- C.2 Conversion to categories within an identical Wobbe Index range
- C.3 Conversion to categories within a wider Wobbe Index range
- Annex D (informative)Calculation of the mass flow rate of flue gases [Go to Page]
- D.1 Flue gas mass flow rate
- D.2 Quantity of air in the flue gas
- D.3 Flue gas excess air ratio (λ)
- D.4 Quantity of water vapour in the flue gas
- D.5 Quantity of Nitrogen in the flue gas
- D.6 Quantity of Oxygen in the flue gas
- D.7 Dry quantity of flue gas
- D.8 Quantity of carbon dioxide in the flue gas
- Annex E (informative)Identification of the types of gas in use in various countries
- Annex F (normative)Special national conditions
- Annex G (normative)Calculation of conversions of NOx [Go to Page]
- G.1 NOx emission conversion factors
- G.2 NOx Conversion — Calculation
- Annex H (informative)National situations of countries whose national bodies are CEN associate members
- Annex I (informative)Different types of heat input control
- Annex J (informative)Radiometer design [Go to Page]
- J.1 Principle radiometer design features
- J.2 Radiometer technical design
- J.3 Pyro-electric detector
- J.4 Ulbricht Sphere [Go to Page]
- J.4.1 General
- J.4.2 Dimensions of the Ulbricht sphere
- J.4.3 Surface of the Ulbricht sphere
- J.4.4 Angular responsivity test of the Ulbricht sphere
- Annex K (informative) Radiometer calibration [Go to Page]
- K.1 Radiometer calibration
- K.2 Black body calibration equipment and procedure [Go to Page]
- K.2.1 General
- K.2.2 Temperature calibration at reference condition
- K.2.3 Temperature calibration at higher temperatures
- K.2.4 Calibration calculation
- K.3 Calibration procedure in detail, presented as a worked example [Go to Page]
- K.3.1 Calibration Measurements
- K.3.2 Selecting the average readings
- K.3.3 Determination of the 1/S sensitivity per temperature
- K.3.4 Determining the 1/S sensitivity of the radiometer
- K.3.5 Documentation of calibration results
- Annex L (normative) Correction of measured radiant output for absorption by H2O and CO2 [Go to Page]
- L.1 General
- L.2 Calculation method
- Annex M (informative) Radiant heat output data - Recording of results [Go to Page]
- M.1 General information to be recorded [Go to Page]
- M.1.1 Test and appliance data
- M.1.2 Radiometer technical data
- M.1.3 Measuring plane technical data
- M.2 Measurement results [Go to Page]
- M.2.1 Test information
- M.2.2 Test ambient conditions
- M.2.3 Gas/heat input data
- M.2.4 Flue gas data
- M.2.5 Absorption of water vapour and CO2 data
- M.2.6 Irradiation measurement data
- Annex N (informative) Worked example [Go to Page]
- N.1 General information
- N.2 Radiometer technical data
- N.3 Measuring plane technical data
- N.4 Measurement results [Go to Page]
- N.4.1 Test information
- N.4.2 Test ambient conditions
- N.4.3 Gas/heat input data
- N.4.4 Flue gas data
- N.4.5 Absorption of water vapour and CO2 data
- N.4.6 Irradiation measurement data
- Annex O (normative)Flue test probes
- Annex P (normative) Product information required
- Annex Q (informative)Derivation of equations to determine thermal efficiency
- Annex R (normative)Flue gas heat exchanger [Go to Page]
- R.1 General
- R.2 Materials
- R.3 Corrosion resistance
- R.4 Thermal insulation
- R.5 Gas tightness
- R.6 Removal of condensate
- R.7 Non-metallic flue system
- R.8 Frost protection
- R.9 Distance to flammable materials
- R.10 Safety-related equipment
- R.11 Operation over-pressure when using water as secondary medium
- R.12 Calculation of the heat transfer performance [Go to Page]
- R.12.1 Test requirements
- R.12.2 Heat transfer calculations [Go to Page]
- R.12.2.1 Heat transfer efficiency
- R.12.2.2 Determination of thermal energy gain by secondary heat transfer medium
- R.12.2.3 Determination of thermal energy of the products of combustion
- R.12.3 Minimum requirements
- Annex S (normative)Uncertainty of measurements
- Annex ZA (informative)Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 2015/1188 aimed to be covered [Go to Page]