Ventilation for buildings - Performance testing of components/products for residential ventilation - Part 4: Aerodynamic@ electrical power and acoustic performance of unidirectional ventilation units
This document specifies aerodynamic@ acoustic and electrical power performance test methods for unidirectional ventilation units used in residential ventilation systems. This document is applicable to ventilation units: ?? installed on a wall or in a window without any duct@ A category; ?? installed in the upstream of a duct@ B category; ?? installed in the downstream of a duct@ C category; ?? installed in a duct@ or with duct connection upstream and downstream@ D category; ?? with one or several inlets/outlets; ?? installed in a system with a heat pump for domestic hot water or water for cooling or heating; ?? which can be used for supply or exhaust. This document does not apply to: ?? fan assisted cowls which are tested according to EN 13141-5; mechanical supply and exhaust units which are tested according to prEN 13141-7 or prEN 13141-8.