BS EN 777-2:2009 - Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use. System E. Safety – BSI British Standards

BS EN 777-2:2009

Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use. System E. Safety

Status : Superseded, Withdrawn   Published : April 2009 Replaced By : BS EN 416:2019

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BS EN 777-2:2009 Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use. System E. Safety

BS EN 777-2 specifies the requirements and test methods for the construction, safety, classification and marking of non-domestic gas-fired overhead radiant tube heaters incorporated into a multi-burner system with each burner unit under the control of an automatic burner control system.

BS EN 777-2 applies to systems intended for use in other than domestic dwellings, in which the supply of combustion air and/or the evacuation of the products of combustion is achieved by mechanical means.

BS EN 777-2 does not apply to:

  • Systems designed for use in domestic dwelling
  • Outdoor systems
  • Systems of heat input in excess of 120 kW (based on the net calorific value of the appropriate reference test gas)
  • Systems having a draught diverter between the exhaust fan and the flue duct
  • Systems having fully pre-mixed gas and air burners in which either the gas and all the combustion air are brought together just before the level of the combustion zone; or the pre-mixing of the gas and all combustion air is carried out in a part of the burner upstream of the combustion zone.
  • Systems that are designed for continuous condensation within the flue system under normal operating conditions
  • Systems having combustion products evacuation ducts that are non-metallic.

BS EN 777-2 applies to systems which are intended to be type tested. It also includes requirements concerning the evaluation of conformity, including factory production control, but these requirements only apply to POCEDs and their associated terminals.

Contents of BS EN 777-2:

  • Foreword
  • Scope
  • Normative references
  • Terms and definitions
  • System classification
  • Constructional requirements
  • Operational requirements
  • Test methods
  • Marking and instructions
  • Evaluation of conformity of POCEDs and their associated terminals
  • National situations
  • System E
  • Equivalence rules
  • Calculation of flue gas mass flow rate
  • Identification of gas types in use in various countries
  • Special national conditions
  • Calculation example of the weighting factors for a system with several rates 
  • NOx conversion calculation
  • An example of sampling plans
  • Flue determination
  • Clauses of this European Standard addressing essential requirements or other provisions of
  • EU Directives
  • Clauses of this European Standard addressing the provisions of the EU Construction Products
  • Directive
  • Bibliography



Standard NumberBS EN 777-2:2009
TitleMulti-burner gas-fired overhead radiant tube heater systems for non-domestic use. System E. Safety
StatusSuperseded, Withdrawn
Publication Date30 April 2009
Withdrawn Date06 November 2019
Normative References(Required to achieve compliance to this standard)EN 126:2004, EN 161:2007, EN 437:2003, ISO 6976:1995, ISO 7005-2:1988, ISO 228-1:2000, EN 60584-1:1995, EN 60335-2-102:2006, EN ISO 6976:2005, ISO 6976:1995/Technical Corrigendum 1:1997, EN ISO 228-1:2003, ISO 6976:1995/Technical Corrigendum 2:1997, ISO 3166-1:2006, EN 257, EN ISO 3166-1:2006, CR 1404:1994, EN 60335-1:2002, EN 60584-2:1993, ISO 6976:1995/Technical Corrigendum 3:1999, EN 60529:1992, EN 298:2003, EN 10226-2:2005, EN 10226-1:2004, EN 88-1:2007, ISO 7005-1:1992, ISO 7005-3:1988
Informative References(Provided for Information)EN 416-1, ISO 2859-1, EN 60730-1:2001, 89/106/EEC, EN 60730-2-9:2002, 90/396/EEC, ISO 274:1975, EN 60730-2-1:1997, EN 1859:2000, CEN/TR 1749:2005, EN 125:1991
Replaced ByBS EN 416:2019
ReplacesBS EN 777-2:1999
International RelationshipsEN 777-2:2009
Draft Superseded By06/30139635 DC
DescriptorsTemperature-rise limit, Seals, Marking, Safety measures, Maintenance, Flues, Radiant heaters, Air heaters, Classification systems, Instructions for use, Flames, Flow rates, Symbols, Combustion, Performance testing, Conversion, Gas-powered devices, Multiple, Leak tests, Fire safety, Overhead, Equipment safety, Control devices, Gas space heating, Pipe connections, Thermal testing, Heaters, Testing conditions, Gases, Industrial, Air intakes, Combustion products, Calorific value, Pressure testing, Commercial, Burners, Heating equipment, Ignition, Ignition systems (heat engineering)
ICS91.140.40
Title in FrenchTubes radiants suspendus à multi-brûleurs utilisant les combustibles gazeux à usage non-domestique. Système E. Sécurité
Title in GermanGasgeräte-Heizstrahler. Dunkelstrahlersysteme mit mehreren Brennern mit Gebläse für gewerbliche und industrielle Anwendung. System E. Sicherheit
CommitteeGSE/20
ISBN978 0 580 55845 0
PublisherBSI
FormatA4
DeliveryYes
Pages112
File Size945 KB
Price£292.00


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