scope:

Specifies requirements for providing documentation in respect of the operation, maintenance and use of heating systems in buildings, requiring an operator qualified for the purpose. Parts of heating systems in the sense of this standard are: - Boilers or heat supply equipment, including firing and control; - District heating heat exchangers, heat meters and primary domestic hot water production facilities; - Fuel storage and supply; - Flue gas systems, including associated components; - Heat emitters units, including accessories; - Systems for control and supervision; - Water treatments and procedures (chemical, physical or other, including antifreeze).