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This document specifies definitions, principles of construction, requirements and methods for testing the performance of UV devices (240 nm to 290 nm nominal) for potable water installations according to EN 806-2 which are permanently connected to the building’s supply.
Devices described by this document can be installed at the point of entry (POE), within the water distribution system inside the building or at the point of use (POU).
Additionally, the devices described in this document can be used in mobile or temporary potable water installations, where the system is not permanently connected to a water supply.
UV devices in the sense of this document are UV bactericidal treatment devices or UV disinfection devices for one of three specified water qualities, determined by the observed UV transmittance.
Devices can be standalone, integrated into a larger appliance or part of multi-staged treatment process. The document relates solely to the performance of the UV reactor.