BS EN IEC 60704-2-16:2019+A11:2020

General Addition: These particular requirements apply to single-unit electric washer-dryers for household and similar use intended for placing on the floor against a wall, for building-in or placing under a counter, a kitchen worktop or under a sink, for wall-mounting or on a counter.

This clause of Part1 is applicable except as follows: 1.1 Scope 1.1.1 General Addition: These particular requirements apply to single-unit electric washer-dryers for household and similar use intended for placing on the floor against a wall, for building-in or placing under a counter, a kitchen worktop or under a sink, for wall-mounting or on a counter. 1.1.2 Types of noise Replacement: The methods specified in ISO3743‑1, ISO3743‑2 and ISO3744 can be used for measuring noise emitted by washer-dryers. 1.1.3 Size of the source Replacement: The method specified in ISO3744 is applicable to noise sources of any size. When applying ISO3743‑1 and ISO3743‑2, care should be taken that the maximum size of the washer-dryers under test fulfils the requirements specified in 1.2 of ISO3743‑1:2010 and 1.3 of ISO3743‑2:1994. 1.2 Object Addition: Requirements for the declaration of noise emission values are not within the scope of this document. NOTE101 For determining and verifying noise emission values declared in product specifications, see IEC60704‑3. 1.3 Measurement uncertainty Replacement: For washer-dryers, the estimated values of standard deviations of sound power levels, determined in accordance with this document are as indicated in Table101 and 102. Table101 Standard deviations of sound power levels of washing and spinning final results for washer-dryer Standard deviation (dB) σr (repeatability) σR (reproducibility) 0,6 1,0 Table102 Standard deviations of sound power levels of drying final results for washer-dryer Standard deviation (dB) σr (repeatability) σR (reproducibility) 0,4 0,8 1.101 Standard deviation for declaration and verification For the purpose of determining and verifying declared noise emission values for washing and spinning for washer-dryers in accordance with IEC60704‑3, the values indicated in Table103 apply. Table103 Standard deviations for declaration and verification for washing and spinning final results for washer-dryer Standard deviation (dB) σP (production) σt (total) σM (reference) 1,0 to 2,2 1,4 to 2,4 2,5 For the purpose of determining and verifying declared noise emission values for drying for washer-dryers in accordance with IEC60704‑3, the values indicated in Table104 apply. Table104 Standard deviations for declaration for drying final results for washer-dryer Standard deviation (dB) σP (production) σt (total) σM (reference) 0,7 to 1,0 1,1 to 1,3 1,5