# The Ecodesign for Energy-Related Products and Energy Information Regulations 2021, Paragraph 1


(1) For multi-drum household washing machines and multi-drum household washer-dryers—
(a) subject to sub-paragraph (2), paragraphs 2 to 16 and 19(4) to (6) of Schedule 9 apply to any drum;
(b) paragraphs 17, 18 and 19(3) and (7) of Schedule 9 apply to all multi-drum machines.
(2) Paragraphs 2 to 16 and 19(4) to (6) of Schedule 9 apply to each of the drums independently, except where the drums are built in the same casing and can, in the eco 40-60 programme or in the wash and dry cycle, only operate simultaneously. In the latter case, paragraphs 17, 18 and 19(2) of Schedule 9 apply to the multi-drum household washing machine or to the multi-drum household washer-dryer as a whole, as follows—
(a) the rated washing capacity is the sum of the rated washing capacities of each drum;
(b) for washer-dryers, the rated capacity is the sum of the rated capacities of each drum;
(c) the energy and water consumption of a washing machine and the washing cycle of a washer-dryer is the sum of the energy consumption, or water consumption, of each drum;
(d) the energy and water consumption of the complete cycle of a washer-dryer is the sum of the energy consumption, or water consumption, of each drum;
(e) for washing machines, the Energy Efficiency Index is calculated using the rated washing capacity and energy consumption;
(f) for washer-dryers, the Energy Efficiency Index is calculated using the rated capacity and energy consumption;
(g) each drum must comply with the minimum washing efficiency and the minimum rinsing effectiveness requirements;
(h) each drum must comply with the duration requirement applicable to the drum with the largest rated capacity;
(i) the requirements on low power modes apply to the whole machine;
(j) the remaining moisture content after washing is calculated as the weighted average, according to each drum’s rated capacity;
(k) for washer-dryers, the requirement on final moisture content after drying applies individually to each drum.

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Source: https://www.legislation.gov.uk/ukdsi/2021/9780348222920/schedule/12/paragraph/1 (the official version)
Page: https://openlegislation.uk/draft-ecodesign-for-energy-related-products-and-energy-information-regulations-2021/schedule-12/paragraph-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.