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SLOVENSKI STANDARD
SIST EN 60456:2016/A11:2021
01-februar-2021
Gospodinjski pralni stroji - Metode za merjenje funkcionalnosti - Dopolnilo A11

Clothes washing machines for household use - Methods for measuring the performance

Waschmaschinen für den Hausgebrauch - Verfahren zur Messung der
Gebrauchseigenschaften

Machines à laver le linge pour usage domestique - Méthodes de mesure de l'aptitude à

la fonction
Ta slovenski standard je istoveten z: EN 60456:2016/A11:2020
ICS:
97.060 Aparati za nego perila Laundry appliances
SIST EN 60456:2016/A11:2021 en,fr

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 60456:2016/A11:2021
---------------------- Page: 2 ----------------------
SIST EN 60456:2016/A11:2021
EUROPEAN STANDARD EN 60456:2016/A11
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2020
ICS 97.060
English Version
Clothes washing machines for household use - Methods for
measuring the performance

Machines à laver le linge pour usage domestique - Waschmaschinen für den Hausgebrauch - Verfahren zur

Méthodes de mesure de l'aptitude à la fonction Messung der Gebrauchseigenschaften

This amendment A11 modifies the European Standard EN 60456:2016; it was approved by CENELEC on 2020-10-21. CENELEC members

are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this amendment the status of a

national standard without any alteration.

Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC

Management Centre or to any CENELEC member.

This amendment exists in three official versions (English, French, German). A version in any other language made by translation under the

responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as

the official versions.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,

Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the

Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.

Ref. No. EN 60456:2016/A11:2020 E
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
Contents Page

1 Modification to Clause 2, "Normative references" ............................................................. 5

2 Modification to Clause 3, "Terms, definitions and symbols" ............................................... 5

3 Modification to Clause 5, "Test conditions, materials, equipment and

instrumentation" ............................................................................................................. 14

4 Modification to Clause 6, "Preparation for testing" .......................................................... 15

5 Modification to Clause 7, Performance measurements – general requirements .............. 18

6 Modification to Clause 8, "Tests for performance" ........................................................... 19

7 Modification to Clause 9, "Assessment of performance".................................................. 20

8 Modification to Annex A, "Specification of stain test strips with standardized

soiling" ........................................................................................................................... 21

9 Modification to Annex B, "Reference detergents" ............................................................ 21

10 Modification to Annex C, "Specifications for base loads" ................................................. 21

11 Modification to Annex D, "Reference machine specification" ........................................... 22

12 Modification to Annex H, "Folding and loading the test load" .......................................... 22

13 Modification to Annex I, "Calculation of weighted average age of the cotton base

load" ............................................................................................................................... 22

14 Modification to Annex O, "Additional evaluation of washing performance" ....................... 24

15 Modification to Annex S, Test report – data to be reported ............................................. 24

16 Modification to Annex ZA, "Test procedure for a combined test sequence of eco

40-60 with full load, half load and quarter load" .............................................................. 25

17 Modification to Annex ZB, "Multi-Drum Washing Machines" ............................................ 56

Annex ZC (normative) Normative references to international publications with their

corresponding European publications ............................................................................. 59

Annex ZD (normative) Low power modes for washing machines ......................................... 60

Annex ZZA ............................................................................................................................ 65

Annex ZZB ............................................................................................................................ 67

18 Modification of Bibliography ........................................................................................... 69

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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
European foreword

This document (EN 60456:2016/A11:2020) consists of the text IEC 60456:2010 prepared by SC

59D "Home laundry appliances", together with the common modifications prepared by CLC/TC

59X "Performance of household and similar electrical appliances".
The following dates are fixed:
• latest date by which this document has to (dop) 2021-07-21
be implemented at national level by publi-
cation of an identical national standard or
by endorsement
• latest date by which the national standards (dow) 2023-10-21
conflicting with this document have to be
withdrawn
Significant technical differences are:

a) the programme to be tested for the combined test series is the new introduced eco 40-60

programme. This programme needs to be tested with default settings with the given temper-

ature;

b) the test loads that have to be used for testing are full, half and quarter of the rated capacity

of the washing machine. Therefore, a new quarter load is introduced and defined to be ap-

proximately a quarter of the rated capacity (see table ZA15). The quarter load is treated as a

separate load and not created by dividing full load or half load;

c) the number of test runs per treatment for the combined test series changed to 3 tests with

full load, 4 tests with half load and 3 tests with quarter load;

d) the time between two subsequent test runs within one day changed from 2 h to one hour;

e) the normalization run is included in the calculation of the load age. The maximum number of

usages for the cotton base load per item is changed to 96 and the weighted average age of the

base load is changed to be between 35 and 60 normalisation runs and test runs.

f) rinsing effectiveness is integrated. It is referred to CLC/TS 50677 (see ZA 4.10);

g) temperature inside the load is integrated. It is referred to CLC/TS 50707:2020 (under prepa-

ration) (see ZA4.11);
h) the procedure to measure low power modes is modified (see ZA4.9);

i) specific weighting factors are introduced for the calculation of the weighted average value of

the combined test series and

j) Annex ZB Tolerances and control procedures is deleted. Annex ZB is replaced by an new

Annex ZB which defines the testing procedure for multi-drum washing machines.

This document also specifies, as far as necessary, the test method for household washing

machines in accordance with the COMMISSION DELEGATED REGULATION (EU) 2019/2014

of 11 March 2019 supplementing Regulation 2017/1369 of the European Parliament and of the

Council with regard to energy labelling of household washing machines and household

washer-dryers and repealing Commission Regulation (EU) No 1061/2010 and Commission Di-

rective 96/60/EC and in accordance with the COMMISSION REGULATION (EU) 2019/2023 of

1 October 2019 laying down ecodesign requirements for household washing machines and

household washer-dryers pursuant to Directive 2009/125/EC of the European Parliament and

of the Council, amending Commission Regulation (EC) No 1275/2008 and repealing Commis-

sion regulation EU) No 1015/2010.
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)

Clauses, subclauses, notes, tables, figures and annexes which are additional to those in

IEC 60456:2010 are prefixed “Z”.

Annex ZA sets out the procedure to be applied for testing according to Commission Regulations

with regard to energy labelling and ecodesign and provides all necessary links to all relevant

clauses of this European Standard.

This document has been prepared in view of upcoming Standardization Request which will be

given to CENELEC by the European Commission and the European Free Trade Association,

and supports Commission Delegated Regulation (EU) 2019/2014 and Commission Regulation

(EU) 2019/2023.

Attention is drawn to the possibility that some of the elements of this document may be the

subject of patent rights. CENELEC shall not be held responsible for identifying any or all such

patent rights.

For the relationship with Commission Delegated Regulation (EU) 2019/2014 and Commission

Regulation (EU) 2019/2023 informative Annex ZZA and Annex ZZB will be published following

the adoption of the Standardization Request.
Endorsement notice

The text of the International Standard IEC 60456:2010 was approved by CENELEC as a Euro-

pean Standard with agreed common modifications
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
1 Modification to Clause 2, "Normative references"
Add the following references:

CLC/TS 50677, Clothes washing machines and washer-dryers for household and similar use -

Method for the determination of rinsing effectiveness by measurement of the surfactant content

at textile materials

CLC/TS 50707:2020 , Clothes washing machines and washer-dryers for household and similar

use - Method for the determination of the maximum temperature inside the load
2 Modification to Clause 3, "Terms, definitions and symbols"
3.1 Terms and definitions
Addition of table before 3.1.1
Table 3.1 – Reference table for terms and definition in alphabetical order
sub-clause
Terms and Definition
3.1.10
automatic machine
3.1.18
base load
3.1.Z19
combined cycle time
3.1.Z18
combined programme time
3.1.Z17
combined rated capacity
3.1.Z10
combined test series
3.1.15
cycle
3.1.25
cycle time
3.1.Z22
delay start
3.1.Z24
eco 40-60
3.1.24
end of programme
3.1.Z1
full load
3.1.Z2
half load
3.1.8
horizontal axis washing ma-
chine
3.1.29
left on mode
3.1.26
main wash duration
3.1.9
manual washing machine
3.1.Z14
multi-drum mode
3.1.Z13
multi-drum washing machine
3.1.Z21
network
3.1.21
nominal test load mass
3.1.28
off-mode
3.1.13
operation
3.1.Z3
part A
3.1.Z4
part B
3.1.14
programme
3.1.23
programme time
3.1.Z5
quarter load
3.1.22
rated capacity
3.1.30
rated voltage
3.1.3
reference machine
3.1.27
remaining moisture content
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
sub-clause
Terms and Definition
3.1.Z16
simultaneous cycle
3.1.Z15
simultaneous programme
3.1.16
spin extraction
3.1.5
spin extractor
3.1.17
spin speed
3.1.6
standard extractor
3.1.Z20
standby mode
3.1.19
test load
3.1.20
test load mass
3.1.11
test run
3.1.12
test series
3.1.2.
test washing machine
3.1.Z6
treatment
3.1.Z7
treatment full
3.1.Z8
treatment half
3.1.Z9
treatment quarter
3.1.7
vertical axis washing machine
3.1.4
washer-dryer
3.1.1
washing machine
3.1.Z23
wrinkle guard function
Replace items 3.1.12 and 3.1.22 to 3.1.24 and 3.1.28 with the following:
3.1.12
test series

repetitions of test runs with the same treatment which, collectively, are used to assess the

performance for one treatment.
3.1.22
rated capacity

maximum mass of dry textiles of a particular type which the manufacturer declares can be treated in the

test washing machine on the programme selected; for multi-drum mode washing machines the

rated capacities are for each individual drum

Note Z1 to entry: For different textile types the rated capacity of a multi-drum washing machine is usually different.

3.1.23
programme time

the time from the initiation of the programme (excluding any user programmed delay) until the

end of the programme and if the end of programme is not indicated, the programme time is

equal to the cycle time
3.1.24
end of programme

the time when the test washing machine indicates the end of the programme and the load is

accessible to the user; where there is no end of programme indicator and the door is locked

during operation, the programme is complete when the load is accessible to the user; where

there is no end of programme indicator and the door is not locked during operation, the pro-

gramme is complete when the power consumption of the appliance drops to some steady state

condition and is not performing any function

Note to entry Z1: An indication of the end of the programme may be in the form of a light (on or off), a sound, an

indicator shown on a display or the release of a door or latch. In some washing machines there may be a short

delay from an end of programme indicator until the load is accessible by the user.

---------------------- Page: 8 ----------------------
SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
3.1.28
off-mode

condition in which the test washing machine is connected to the mains and is not providing

any function; the following shall also be considered as off mode:
(a) conditions providing only an indication of off-mode;

(b) conditions providing only functionalities intended to ensure electromagnetic compatibil-

ity
Replace as follows:
3.1.Z1
full load

test load to be used for a combined test series according to Annex ZA, having a nominal

mass that is equal to the rated capacity of the test washing machine
3.1.Z2
half load

test load, part A or part B, to be used for a combined test series according to Annex ZA,

having a nominal mass that is approximately equal to a half of the rated capacity of the test

washing machine.
3.1.Z3
part A
one half of the full load.
3.1.Z4
part B
remaining part of the full load excluding part A.
3.1.Z5
quarter load

test load to be used for a combined test series according to Annex ZA, having a nominal

mass that is approximately equal to a quarter of the rated capacity (see Table ZA.15) of the

test washing machine
3.1.Z6
treatment

combination of test load and programme to be used for a test run within a test series

3.1.Z7
treatment full
eco 40-60 programme with full load
3.1.Z8
treatment half
eco 40-60 programme with half load
3.1.Z9
treatment quarter
eco 40-60 programme with quarter load
3.1.Z10
combined test series

combination of test series with different treatments which, collectively, are used to assess the

performance
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
3.1.Z13
multi-drum washing machine

washing machine equipped with more than one drum whether in separate units or in the same

casing
3.1.Z14
multi-drum mode

programme where some or all of the drums of a multi-drum washing machine are operated

simultaneously

Note Z1 to entry: A washing machine with more than one drum for the treatment of the textiles, where drums cannot

be operated simultaneously is not regarded as having a multi-drum mode. In this case each drum has to be tested

separately.

Note Z1 to entry: This definition may apply only for specific programmes. In this case only these programmes can

be tested in multi-drum mode.
Add the following:
3.1.Z15
simultaneous programme

series of operations which are pre-defined within the multi-drum washing machine and which

are declared by the manufacturer as suitable for washing certain textile types in two or more

drums at the same time
3.1.Z16
simultaneous cycle

complete washing process, started at the same time for two or more drums, as defined by the

simultaneous programme selected, consisting of a series of operations (wash, rinse, spin,

etc.) and including any operations that occur after the completion of the simultaneous pro-

gramme

Note Z1 to entry: Examples of operations that may occur after the completion of the programme are pumping,

monitoring and anti-creasing (where applicable).
3.1.Z17
combined rated capacity

sum of rated capacities of all drums suitable for running a simultaneous programme

3.1.Z18
combined programme time

the time from the simultaneous initiation of the programme for two or more drums (excluding

any user programmed delay) until the end of the simultaneous programme; if the end of

programme is not indicated, the combined programme time is equal to the combined cycle

time
3.1.Z19
combined cycle time

time from the simultaneous initiation of the programme for two or more drums (excluding any

user programmed delay) until all activity ceases; activity is considered to have ceased when

the power consumption reverts to a steady state condition that persists indefinitely without user

intervention; if there is no activity after the end of the programme, the combined cycle time

is equal to the combined programme time

Note Z1 to entry: Cycle time includes any activity that may occur after the programme is completed. This could

include any electronic activity or any additional mechanical activity that occurs for a limited period after any end of

programme indicator. Any cyclic event that occurs indefinitely is considered to be steady state.

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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
3.1.Z20
standby mode

condition where the test washing machine is connected to the mains and provides only the

following functions, which may persist for an indefinite time:

(a) reactivation function, or reactivation function and a mere indication of enabled reactivation

function; and/or
(b) reactivation function through a connection to a network; and/or
(c) information or status display; and/or
(d) detection function for emergency measures.
3.1.Z21
network

communication infrastructure with topology of links, an architecture, including the physical com-

ponents, organizational principles, communication procedures and formats protocols.

3.1.Z22
delay start

condition where the user has selected a specified delay to the beginning of the cycle of the

selected programme.
3.1.Z23
wrinkle guard function

operation of the test washing machine after completion of a programme to prevent exces-

sive wrinkle building of the laundry.
3.1.Z24
eco 40-60

name of the programme to be able to clean normally soiled cotton laundry declared to be

washable at 40 °C or 60 °C, together in the same washing cycle.
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
3.2 Symbols
3.2.Z1 Symbols relating to Annex ZA and Annex ZD
Replace with the following:
Symbol in Symbol in Unit Clause
this IEC 60456 Description (first appear-
document :2010 ance)
- - rounding up to full integer values (no decimal ZA.2
 
 
places) as defined in EN ISO 80000-2:2013
- - Rounding to nearest integer values (no decimal ZA.2
[ ]
places) as defined in EN ISO 80000-2:2013
- - Washing Efficiency Index for treatment z (z = ZA5.4
𝐼𝐼
𝑊𝑊,𝑧𝑧
full, ½, ¼)
- - ZA5.3.2
A weighting factor for the full rated capacity
- - ZA5.3.2
weighting factor for half of the rated capacity
- - weighting factor for a quarter of the rated ca- ZA5.3.2
pacity
- kg rated capacity to calculate the Standard Annual ZA5.3.2
Energy Consumption of the test washing ma-
chine
- - sum of the average reflectance values (Y-val- ZA5.4
z,i
ues) for treatment z (z = full, ½, ¼) for each test
run i (i = 1, 2, 3, 4)
- average sum of the reflectance values in each ZA5.4
C C
ref ref
test run of the reference machine out of all 5
runs
- - average value for the sum of the reflectance val- ZA5.4.
ues for treatment full, treatment half and treat-
ment quarter
average value for the remaining moisture con-
- % ZA5.5
tent for the combined test series
- % remaining moisture content of test run with ZA5.5
1/2,part
half load part (part = part A, part B)
g/kg ratio of mass of detergent per kg of load for the ZA6.2
test run
- g/kg rinsing effectiveness for the combined test ZA.6.2
max
series
- % remaining moisture content of test run i for
ZA5.5
z,i
the treatment z (z = full, ½, ¼)
- - Energy Efficiency Index of a test washing ma- ZA5.10
EEI
chine
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SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
Symbol in Symbol in Unit Clause
this IEC 60456 Description (first appear-
document :2010 ance)
mass of the conditioned base load
g ZA.6.2
M M
g mass of detergent used ZA.6.2
M M
det det
g mass of base load before each test run (without ZA.6.2
M M
dry dry
test strips)
- kg nominal partial test load mass ZA.2
part
- g mass of the conditioned half load (part = part A, ZA5.5
Mpart
part B)
mass of the half load part (part = part A, part
- g ZA5.5
r,½,part,i
B) at the end of the test run i (i = 1, 2, 3, 4)
- g mass of base load for treatment z (z = full, ¼) ZA5.5
r,z,i
at the end of the test run i (i = 1, 2, 3)
- - ZA.2
number of pillowcases at rated test load mass
- - ZA.2
n number of pillowcases in part A
PC,A
- - ZA.2
number of pillowcases in part B
PC,B
- - ZA.2
number of sheets at rated test load mass
- - ZA.2
n number of sheets in part A
SH,A
- - ZA.2
number of sheets in part B
nSH,B
- - ZA.2
number of stain test strips in part A
STS,A
- - ZA.2
n number of stain test strips in part B
STS,B
- - ZA.2
n number of towels at rated test load mass
- - ZA.2
number of towels in part A
T,A
- - ZA.2
number of towels in part B
T,B
- - number of test runs for treatment z ZA.5.3
- - ZA.5.5
half load identifier (part = part A, part B)
part
kPa ZA.6.2
laboratory supply water pressure cold
p p
c c
W ZD.1
P - power consumption in delay start
kPa laboratory supply water pressure hot (if con- ZA.6.2
p p
h h
nected)
W Power consumption in standby mode in condi- ZD.1
P -
tion of network standby
---------------------- Page: 13 ----------------------
SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
Symbol in Symbol in Unit Clause
this IEC 60456 Description (first appear-
document :2010 ance)
W ZD.1
P - Power consumption in off mode
W ZD.1
P - Power consumption in standby mode
g/kg is the average value for rinsing effectiveness ZA.5.11
for treatment quarter
g/kg is the average value for rinsing effectiveness ZA.5.11
for treatment half
g/kg average value for rinsing effectiveness for ZA.5.11
full
treatment full
- min maximum spin speed for treatment quarter ZA.5.6
- min maximum spin speed for treatment half ZA.5.6
- kWh ZA.5.10
Standard Cycle Energy Consumption
SCE
maximum spin speed for treatment full
- min ZA.5.6
full
- - ZA.5.3
s standard deviation for treatment z
- min maximum spin speed of test run i for treatment ZA.5.6
z,i
z (z = full, ½, ¼)
°C ZA.6.2
t t ambient temperature (test room)
a a
°C ZA.6.2
measured average cold water inlet temperature
t t
c c
°C ZA.6.2
t t measured average hot water inlet temperature
h h
- min average value for the programme time for treat- ZA.5.8
ment z (z = full, ½, ¼)
- min programme time for test run i for treatment z ZA.5.8
z,i
(z = full, ½, ¼)
- L weighted average value for the total water con- ZA.5.7
sumption for the combined test series
- L water consumption for treatment with quarter ZA.5.7
load
- L water consumption for treatment with half load ZA.5.7
L ZA.6.2
volume of cold water used during the main wash
V V
cm cm
L ZA.6.2
volume of cold water used in the test run
V V
ct ct
- L water consumption for treatment with full load ZA.5.7
full
---------------------- Page: 14 ----------------------
SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
Symbol in Symbol in Unit Clause
this IEC 60456 Description (first appear-
document :2010 ance)
L volume of supply hot water used during the main ZA.6.2
wash
L ZA.6.2
volume of supply hot water used in the test run
V V
ht ht
L ZA.6.2
V V water consumption during the main wash
m m
- L water consumption for treatment z (z = full, ½, ZA.5.7
- L water consumption for test run i for treatment ZA.5.7
z,i
z (z = full, ½, ¼)
- kWh value for the total energy consumption for the ZA.5.9
combined test series
- kWh energy consumption for treatment quarter ZA.5.9
- kWh energy consumption for treatment half ZA.5.9
kWh ZA.6.2
W W total electrical energy metered during the test
et total
- kWh energy consumption for treatment full ZA.5.9
full
- kWh value for total energy consumption without hot ZA.6.2
total,cold
water
- kWh average value for the total energy consumption ZA.5.9
for treatment z (z = full, ½, ¼)
total energy consumption for test run i for
- kWh ZA.5.9
z,i
treatment z (z = full, ½, ¼)
ZA.6.2
value for each test run i
- - ZA.5.3
average value for treatment z (z = full, ½, ¼)
- - value for each test run i of treatment z (z = full, ZA.5.3
z,i
½, ¼)
- - treatment ZA.5.3
---------------------- Page: 15 ----------------------
SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
3 Modification to Clause 5, "Test conditions, materials, equipment and
instrumentation"
5.1 General
Delete the following sentence:
Rounding rules that are given in the regulation supersede standardization.
5.2 Ambient conditions
5.2.2 Water supply
5.2.2.3 Water temperature
Replace Note 2 by the following note:

NOTE Z Clause ZA.4.8 describes the recording of water volumes on a continuous basis during filling in order to

determine weighted average temperature.
5.3.2 Base loads
5.3.2.1 Cotton base load
Add after the first paragraph the following note:

NOTE Z1 For the combined test series according to Annex ZA one base load is used to test the full load and half

load and a separate base load is used to test the quarter load.
5.5 Instrumentation and accuracy
5.5.2 Instruments
Modify the Table as follows:
Parameter Unit Minimum Minimum Additional re-
resolution accuracy quirements
Mass
test load mass or g 2 g ± 5 g -
base load mass
Individual load items g 0,5 g ± 1 g -
Detergent mass g 0,05 g ± 0,1 g -
Titration mass g 0,005 g ± 0,01 g -
Temperature
Ambient temperature °C 0,1 °C ± 1 K -
Water temperature °C 0,1 °C ± 0,6 K -
Ambient humidity % 1 % (RH) ± 3 % (RH) The specifications
(RH) shall be met over a
temperature range
of 15 °C to 25 °C.
---------------------- Page: 16 ----------------------
SIST EN 60456:2016/A11:2021
EN 60456:2016/A11:2020 (E)
Parameter Unit Minimum Minimum Additional re-
resolution accuracy quirements
Water volume (water inlet) l 0,1 l ± 2 % Separate metering
for hot and cold in-
lets, where applica-
ble.
NOTE Devices using
viscosity should be cali-
brated at the actual
nominal temperature
± 5 °C, and the nominal
flow rate. Liquid vol-
umes for titration are
covered by the specifi-
cation for mass in 5.4.1.
Water pressure kPa 10 kPa ± 5 % -
Time s 5 s ± 1 % -
-1 -1
Spin speed min 1 min ± 1 % -
4 Modification to Clause 6, "Preparation for testing"
6.2 Test washing machine and reference machine preparation
6.2.1 Test washing machine
6.2.1.3 Preparation of the test washing machine for a test series
Replace the 2nd paragraph with the following:
All filters shall be thoroughly cleaned before each combined test series.

After cleaning the filters a cleaning run shall be undertaken on a programme with the maximum

wash temperature set and setting maximum main wash water level if applicable, without load

and without detergent.

The cleaning run shall be carried out not less than one day in advance but not more than two

weeks in advance and without any other run before the combined test series is started.

After the cleaning run the test washing machine shall be allowed to cool down to the ambient

temperature of the test room. It shall be accepted that this requirement has been met if the

internal surface temperature of the test washing machine drum is at ambient air temperature

of the test room, or if the test washing machine has been left standing at stable laboratory

ambient temperature with the door left o
...

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