This standard applies to heating boilers with burners using fans up to a nominal heat output of 300 kW. They are operated, either with negative pressure (natural draught boiler) or with positive pressure (pressurized boiler) in the combustion chamber, in accordance with the boiler manufacturer's instructions. Particular requirements for boilers which can only be used with open vents are contained in a separate document (being prepared). The requirements of this standard apply to heating boilers which are tested on an authorized test rig.
Registration number (WIID)
1536
Scope
This standard applies to heating boilers with burners using fans up to a nominal heat output of 300 kW. They are operated, either with negative pressure (natural draught boiler) or with positive pressure (pressurized boiler) in the combustion chamber, in accordance with the boiler manufacturer's instructions. Particular requirements for boilers which can only be used with open vents are contained in a separate document (being prepared). The requirements of this standard apply to heating boilers which are tested on an authorized test rig.
