EN 777-1:1999

EN 777-1:1999 is a standard published by the European Committee for Standardization (CEN). Its full title is "Multi-burner gas-fired overhead radiant tube heater systems for non-domestic use - Part 1: System D, safety". This standard covers: This European Standard 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 (referred to in the body of the text as the 'system') with each burner unit under the control of an automatic burner control system. This standard is applicable to Type B22 systems (see 4.3) 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. This standard is not applicable to: - systems designed for use in domestic dwellings; - outdoor systems; - systems in which the heat input of an individual burner unit exceeds 120 kW (based on the net calorific value of the appropriate reference test gas); - systems having a draught diverter; - 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. This European Standard is applicable to systems which are intended to be type tested. Requirements for systems which are not intended to be type tested would need to be subject to further consideration. Requirements concerning the rational use of energy have not been included in this European Standard.

This European Standard 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 (referred to in the body of the text as the 'system') with each burner unit under the control of an automatic burner control system. This standard is applicable to Type B22 systems (see 4.3) 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. This standard is not applicable to: - systems designed for use in domestic dwellings; - outdoor systems; - systems in which the heat input of an individual burner unit exceeds 120 kW (based on the net calorific value of the appropriate reference test gas); - systems having a draught diverter; - 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. This European Standard is applicable to systems which are intended to be type tested. Requirements for systems which are not intended to be type tested would need to be subject to further consideration. Requirements concerning the rational use of energy have not been included in this European Standard.

EN 777-1:1999 is classified under the following ICS (International Classification for Standards) categories: 97.100.20 - Gas heaters. The ICS classification helps identify the subject area and facilitates finding related standards.

EN 777-1:1999 has the following relationships with other standards: It is inter standard links to EN 777-1:2009, EN 777-1:1999/A3:2002, EN 777-1:1999/A2:2001, EN 777-1:1999/A1:2001; is excused to EN 777-2:1999, EN 777-4:1999, EN 777-3:1999. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

EN 777-1:1999 is associated with the following European legislation: EU Directives/Regulations: 2009/142/EC, 90/396/EEC; Standardization Mandates: M/BC/CEN/89/6. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.

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