VDI 6012 Blatt 2.1:2015-12

This standard covers the use of renewable, thermal energy systems in buildings, including the delivery and storage of fuels and the disposal of combustion residues. Systems are considered, which serve both the heat generation in close proximity to consumers in residential and non-residential buildings where the following wooden fuels are used: (a) solid pieces of wood, including attached bark, especially in the form of logs and wood chips, and twigs and cones; (b) compacts made of untreated wood in the form of briquettes according to DIN EN ISO 17225-3 or in the form of pellets according to DIN EN ISO 17225-2 as well as other wood briquettes or wood pellets made of natural wood with equivalent quality. The maximum rated output of the considered fuels in this standard is limited to 500 kW. The standard is targeted at: system manufacturers; architects; planners; builders; investors; operators; service providers, such as energy consultants and chimney sweeper; approval and building authorities; component and system manufacturers.