This document specifies the characteristics and test methods for flue dampers that are used as components, carrying flue gas, in order to limit the flow in a chimney or to prevent back flow of soot during cleaning of the chimney or to prevent the backflow of the flue gas e.g. in case of multi-served chimneys.This document covers only flue dampers incorporated in a housing and installed inside a building.This document covers only flue dampers with sealings made of elastomeric materials for temperature classes up to T200 and corrosion class 1 or 2 in accordance with EN14241?1 or sealing materials for dry applications with a fire reaction class A1 in accordance with EN13501?1.This document covers only flue dampers with motor drive, casing and flue damper plate which are interlocked in such a way that they can only be separated by using tools.This document covers only mechanical flue dampers where any motor is in accordance with EN60730?2?14 and the cover for electrical components of the flue damper fulfils minimum protection class IP40 according to EN60529.This document covers only flue dampers which are designed and installed to ensure that incorrect information about the position of the flue damper flap are absolutely impossible, which are only installed on components that are interlocked to the casing, which are only activated by components that are interlocked to the flue damper flap and where it is ensured that the limit switch opens or the flue damper flap moves to the open position if one of these interlocks fails. This safety target may also be achieved with an equally suitable method (e.g. bracing or welding).This document covers only flue dampers for biomass boilers?1000kW and industrial applications with limit switches in accordance with EN61058?1 or EN50156?1.This document covers only flue dampers where it is possible to identify the position of the flue damper flap.This document covers only totally closed, manually driven flue dampers (type 1) which have a facility to adjust the position of the flue damper flap.This document covers only totally closed, mechanically driven flue dampers (type 2) with only the positions “fully opened?? and “ fully closed?? and where it is not possible to fix the flap in the non-closed position during the flue damper flap stays in closed position while the appliance is not working. NOTE This applies only to multi-appliance installations with positive pressure conditions.This document covers only partially closed flue dampers (type 3 to 5) where it is possible to adjust the position of the flue damper flap and where it is ensured that the flue damper flap does not change position by itself.Flue dampers which are integral parts of system chimney products or other chimney components, e.g. flue liners, connecting flue pipes, are not covered by this document.This document also specifies the provisions for marking, manufacturers’ instruction, product information, Assessment and Verification of Constancy of Performance (AVCP).This document does not specify issues for electrical parts.
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