Specification for installation and maintenance of gas-fired overhead radiant heaters for industrial and commercial heating (2nd and 3rd family gases)
Specification for installation and maintenance of gas-fired overhead radiant heaters for industrial and commercial heating (2nd and 3rd family gases)
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1 Scope This British Standard specifies the installation requirements for gas-fired overhead radiant heaters and systems for the environmental heating of premises other than domestic dwellings. This standard only applies to appliances falling within the scope of the Gas Appliances (Safety) Regulations 1995 [1]. It is applicable to the installation of heaters that are designed to use gases of group H of the 2nd family (e.g. natural gas), gases of group P of the 3rd family (e.g. propane) as well as gases of group B of the 3rd family (e.g. butane) (see BS EN 437+A1).
NOTE 1 This standard does not specifically cover LPG/air for which additional requirements might be necessary.
It is applicable to the installation of gas-fired overhead luminous radiant heaters conforming to BS EN 419‑1, single burner gas-fired overhead radiant heaters conforming to BS EN 416‑1 and multi-burner gas-fired overhead radiant tube heater systems conforming to BS EN 777‑1, BS EN 777‑2, BS EN 777‑3 and BS EN 777‑4.
NOTE 2 For the purposes of this standard, installation includes design, inspection and commissioning. It is recognized that each of these tasks may, at times, be performed by the same persons.
NOTE 3 The heat inputs and ventilation rates in cm 2 /kW of heat input given in this standard are based on the net calorific value.
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