# Commission Regulation (EU) No 1253/2014 of 7 July 2014 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to ecodesign requirements for ventilation units (Text with EEA relevance), Annex IX: Measurements and calculations for NRVUs

Extent: E+W+S+N.I.

NRVUs shall be tested and calculated using a ‘reference configuration’ of the product.
Dual use units shall be tested and calculated in the ventilation mode.

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Source: https://www.legislation.gov.uk/eur/2014/1253/annex/IX (the official version)
Page: https://openlegislation.uk/eu-regulation-2014-1253/annex-IX
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.