1 Scope
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:
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— installed on a wall or in a window without any duct, A category;
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— installed in the upstream of a duct, B category;
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— installed in the downstream of a duct, C category;
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— installed in a duct, or with duct connection upstream and downstream, D category;
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— with one or several inlets/outlets;
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— installed in a system with a heat pump for domestic hot water or water for cooling or heating;
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— which can be used for supply or exhaust.
This document does not apply to:
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— fan assisted cowls which are tested according to EN 13141‑5;
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— mechanical supply and exhaust units which are tested according to EN 13141‑7:2021 or prEN 13141‑8:2021.