Amendment 1 - Electric dishwashers for household use - Methods for measuring the performance

Amendement 1 - Lave-vaisselle électriques à usage domestique - Méthodes de mesure de l'aptitude à la fonction

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Status
Published
Publication Date
28-May-2020
Technical Committee
Current Stage
PPUB - Publication issued
Completion Date
29-May-2020
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IEC 60436:2015/AMD1:2020 - Amendment 1 - Electric dishwashers for household use - Methods for measuring the performance
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IEC 60436
Edition 4.0 2020-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Electric dishwashers for household use – Methods for measuring
the performance
Lave-vaisselle électriques à usage domestique – Méthodes de mesure
de l’aptitude à la fonction
IEC 60436:2015-10/AMD1:2020-05(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 60436
Edition 4.0 2020-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
A MENDMENT 1
AM ENDEMENT 1
Electric dishwashers for household use – Methods for measuring
the performance
Lave-vaisselle électriques à usage domestique – Méthodes de mesure
de l’aptitude à la fonction
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 97.040.40 ISBN 978-2-8322-8334-9

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 60436:2015/AMD1:2020
© IEC 2020
FOREWORD

This amendment has been prepared by subcommittee 59A: Electric dishwashers, of IEC

technical committee 59: Performance of household and similar electrical appliances.

The text of this amendment is based on the following documents:
FDIS Report on voting
59A/229/FDIS 59A/231/RVD

Full information on the voting for the approval of this amendment can be found in the report on

voting indicated in the above table.

The committee has decided that the contents of this amendment and the base publication will

remain unchanged until the stability date indicated on the IEC website under

"http://webstore.iec.ch" in the data related to the specific publication. At this date, the

publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates

that it contains colours which are considered to be useful for the correct understanding

of its contents. Users should therefore print this document using a colour printer.

_____________
---------------------- Page: 4 ----------------------
IEC 60436:2015/AMD1:2020 – 3 –
© IEC 2020
3.1 Terms and definitions
3.1.14
Replace the entire entry by the following:
programme

series of operations which are pre-defined within the dishwasher and which are declared as

suitable for specified levels of soil and/or type of load

Note 1 to entry: Usually, an end of programme indicator signals the end of the programme and the user has access

to the load.
3.1.15
Add the note to entry after the definition:
Note 1 to entry: The cycle can be equal to or last longer than the programme.
3.1.16
Replace the definition by the following:

length of time beginning with the initiation of the cycle (of the selected programme), excluding

any user-programmed delay, until all activity ceases
3.1.17
Replace the definition by the following:

length of time beginning with the initiation of the programme, excluding any user-programmed

delay, until an end of programme indicator is activated and the user has access to the load

3.1.25
Replace the entire entry by the following:
end of programme mode

mode that begins immediately after the completion of the programme, and continues without

any further intervention from the user

Note 1 to entry: This mode can persist indefinitely or can be of limited duration if the dishwasher is equipped with

a power management system.
3.1.26
Replace the entire entry by the following:
left-on mode

mode that begins as soon as the dishwasher door has been opened and/or unlatched by the

user after the completion of the programme, and continues without any further intervention

from the user
Note 1 to entry: In some products, this mode can be equivalent to the off mode.

Note 2 to entry: This mode can persist indefinitely or can be of limited duration if the dishwasher is equipped with

a power management system.
---------------------- Page: 5 ----------------------
– 4 – IEC 60436:2015/AMD1:2020
© IEC 2020
3.1.27
Replace the entire entry by the following:
off mode

lowest power consumption mode of the dishwasher while it is connected to a mains power

source, achieved either automatically by the power management system of the dishwasher or

manually by switching it off using controls or switches on the dishwasher that are accessible

and intended for operation by the user during normal use
3.1.28
Replace the definition by the following:

mode where the user has selected and activated a specified delay to the commencement of the

cycle (of the selected programme) using a built-in function of the dishwasher
3.1.29
Replace the entire entry by the following:
end-of-programme mode duration

time from the start of end of programme mode until the dishwasher reverts automatically to

off mode

Note 1 to entry: This time span is only applicable to dishwashers equipped with power management systems.

3.1.30
Replace the entire entry by the following:
left-on mode duration

time from the start of left-on mode until the dishwasher reverts automatically to off mode

Note 1 to entry: This time span is only applicable to dishwashers equipped with power management systems.

Add the following new entry:
3.1.36
all activity ceases

power consumption decreases to a low steady state in which the power fluctuates by no more

than 10 % or 0,1 W, whichever is the greater, over a period of at least 60 min

Note 1 to entry: The current waveform shall be sampled at a frequency of 1000 Hz and averaged over the duration

of 60 s.
Add the following new entry:
3.1.37
intermittently recurring function

function that occurs during some, but not all, cycles of a specific programme (or programmes)

and that is directly related to water-softening operations, water-reuse operations or similar

operations and that alters water consumption, energy consumption and/or programme time for

the cycle
3.2.2
Add the following symbol after the symbol D :
T,i
D the target drying score of the reference machine
R,t
---------------------- Page: 6 ----------------------
IEC 60436:2015/AMD1:2020 – 5 –
© IEC 2020
5.2 Sequence of test procedures and conditioning of the test machine
In the fourth line of the third paragraph, delete ", cycle time".
5.3.1.1 Voltage
In the second line, replace ±2 % with ±1 %.
5.3.2.1 Voltage
In the first line, replace ±2 % with ±1 %.
Add the following new subclause:
5.10 Intermittently recurring functions
5.10.1 Provision of information

Either the manufacturer or supplier shall provide information for all intermittently recurring

functions that relate to the programme selected for testing. This data shall include details of

changes to energy consumption, water consumption and programme duration that are caused

by each intermittently recurring function. The data shall also include a description of the

conditions that trigger each intermittently recurring function. An example of a format for

describing intermittently recurring functions is shown in Table V.1.

If no data is provided by the manufacturer or supplier, intermittently recurring functions may

take place during valid test cycles and, if this happens, it is likely that the measured and

averaged consumption values as well as the uncertainty of measurement will be significantly

higher.

The measured energy, water, and time of intermittently recurring functions can vary. If these

values differ by more than 10 % from the consumption values provided by the manufacturer,

then the laboratory should seek further guidance from the manufacturer.

5.10.2 Impact of intermittently recurring functions on reproducibility and the validity of

test results

When a dishwasher is tested over a test series of 5 to 8 test runs, intermittently recurring

functions may cause the results to be different to the true long-term average. For example, if

the dishwasher regenerates its softener every 3 cycles and uses a significant amount of water

to regenerate, the average water consumption for the test series would be higher if two

regenerations occurred than if only one occurred in the test series. Neither of these cases

would give the same result as the long-term average. Reproducibility of such a test would be

poor. Two options to resolve this problem are given in 5.10.3.
5.10.3 Treatment of intermittently recurring functions

For dishwashers with intermittently recurring functions, testing can be conducted according

to one of the following two options:

i) Excluding consumption data from test runs where the intermittently recurring function

takes place, from the calculation of the mean. In this case, testing shall follow the

procedures in Clause 8. This option should give reproducible results, but the values

determined will not account for the consumption associated with the intermittently

recurring function(s).
---------------------- Page: 7 ----------------------
– 6 – IEC 60436:2015/AMD1:2020
© IEC 2020

ii) Extending the test series as necessary to include a suitable number of test runs where the

intermittently recurring function does not take place and a suitable number of test runs

where intermittently recurring function does take place. From such a test series,

consumption data for each case can be combined to give an appropriately weighted average

which would be representative of the long-term average. In this case, testing shall follow

the procedures in Clause 8 and Annex V. This option should give reproducible results and

account for the consumption associated with the intermittently recurring function(s).

6.4.4.2 Preparation and storage
Replace the text of 6.4.4.2 by the following:

Mix 50 g of whisked whole egg (see 6.4.5) to every 150 g minced meat (see 6.4.4). Mix well

and divide into 20 g, or multiple of 20 g, portions. Store the portions in watertight containers

and freeze. Before use, allow to defrost to ambient temperature and mix with water (see 5.6 for

specification) at a ratio of 20 g of minced meat to 6 g of water, until the minced meat mixture is

homogeneous.
6.4.4.3 Application
Replace the five occurrences of "minced meat" by "minced meat mixture".
6.4.6.2 Preparation
In the second sentence, replace "to simmer" with "simmering".
6.4.7.2 Preparation and storage
Add the following paragraphs between NOTE 1 and the last paragraph:

After mincing, the spinach may be freeze-dried using lyophilisation and stored until use. By

using lyophilisation, the water content of the spinach is extracted and only 6 % to 8 % of the

original weight will remain as dry matter spinach. This dry matter spinach may be stored for up

to 12 months in an airtight container and kept in the dark. Once the container has been opened,

the remaining dry matter spinach may be used for four weeks, provided it is stored in a re-

sealed container in the dark.

For reconstitution of the quantities of minced spinach needed, an appropriate amount of this

dry matter spinach is taken, and distilled water is added. Follow the supplier's (e.g. see L.1.11)

instruction when reconstituting the spinach for a test. After reconstituting, the spinach shall be

handled and stored like the de-frosted and ground spinach.

Freeze dried spinach from listed suppliers (refer to Annex L) has been proven to result in

equivalent test results compared to using frozen spinach. Alternative sources shall prove

equivalency through testing. Refer to Clause L.2 for guidance on equivalency.
6.6.2 Operating
Replace the text of first paragraph by the following:

During the performance tests, the starting of the machines can have to be staggered to ensure

that there is enough time for a single assessor to assess the performance of each machine at

the prescribed time after its programme finishes. However, test machines shall run at the

same time as part of the reference machine programme.
---------------------- Page: 8 ----------------------
IEC 60436:2015/AMD1:2020 – 7 –
© IEC 2020
7.2.1 General requirements to enable subsequent cleaning assessment
Replace the text of the fourth paragraph as follows:

A partial or complete wet rim (not a drop or streak) around soil residue adhered to the surface

of the tableware shall not be taken into account for the drying assessment.
Add the following paragraph before the last paragraph:

Check all surfaces during the drying evaluation. Do not take into consideration water found on

unglazed edges of porcelain, pot handles or caught between a handle and a pot's body.

7.2.2 Drying assessment procedure
In the first line, replace "cycle" with "programme".
Replace Table 1 by the following:
Table 1 – Evaluation of the drying performance
Score Residual water
2 The item is completely free from water residue.

The item has up to two drops of water, or one wet streak (run), or a total wet area of up to 50

mm .

The item has more than two drops of water, or one drop and one streak, or two streaks, or a total

wet area of more than 50 mm .
Replace the last paragraph (just before Table 2) by the following:
Record four scores for each pot excluding pot handles:
– inner bottom;
– inner wall;
– outer surfaces;
– all pot surfaces .

Water found on the top side of the pot's rim is scored on the inner wall. Water found on the

bottom side of the pot's rim is scored on the outer surface. Do not include the pot handles in

the evaluation and do not include any area of water which bridges both a pot handle and the

pot.
7.2.3 Calculation of the drying index
Replace Equation (5) by the following:
T, i
ln lP =n 
(5)
D, i
R,t
where:
D is (0,82) the target drying score of the reference machine
R,t
---------------------- Page: 9 ----------------------
– 8 – IEC 60436:2015/AMD1:2020
© IEC 2020
7.3.1 General
Replace the last paragraph (just before Table 3) by the following:
Record four scores for each pot:
– inner bottom;
– inner wall;
– outer surfaces;
– all pot surfaces.
Replace the text of Clause 8 by the following:
8 Energy consumption, water consumption, programme time
8.1 General and purpose

Clause 8 defines how to measure and evaluate the electrical energy consumption, the

calculated energy contained in the hot water if an external source of hot water is used, the

quantity of water consumed by the dishwasher and the time it takes to complete a particular

cycle used for measuring the cleaning and drying performance.
Low-power mode measurements shall be conducted in accordance with Annex K.

NOTE This document recognises that, in some countries, other legally mandated national standards are required

for testing and labelling, pre-empting Clause 8.
8.2 Method of measurement

Energy consumption, water consumption, cycle time and programme time measurements

shall be measured in conjunction with combined cleaning and drying performance tests

specified in Clause 6 and 7.

The energy consumption, the water consumption, and programme time shall be measured for

each complete cycle and the results for the test series shall be calculated as described in

Clause 8.3.

Measurements shall be made using equipment meeting the specifications given in Annex T.

8.3 Method of evaluation
8.3.1 General

When calculating the arithmetic mean value of the energy, water consumption and programme

time for dishwashers where the relevant intermittently recurring function depends on

parameters such as water hardness and frequency of use, and does not take place on every

cycle, test runs where an intermittently recurring function took place within the test series

shall be disregarded when increased water, energy consumption and programme time are in

line with manufacturer's instructions to the consumer in regard to the following points:

– the quantity of water, and electrical energy and the period of time required to complete the

relevant intermittently recurring function;
– the frequency with which the intermittently recurring function occurs;

– the moment(s) in time during the programme that the relevant intermittently recurring

function event takes place.

The intermittently recurring function may consist of several stages. It may start during one

test run and finish during the following test run. When the intermittently recurring function

---------------------- Page: 10 ----------------------
IEC 60436:2015/AMD1:2020 – 9 –
© IEC 2020

event is in line with manufacturer's suggestion, all test runs during which an intermittently

recurring function affecting the consumption values took place within the test series shall be

disregarded for the purposes of calculating the mean consumption values. No more than two

test runs in a test series of five runs, and no more than three test runs in a test series of six

to eight runs shall be disregarded.

NOTE The information expected to be provided would include regeneration information relevant to the water used

for testing in accordance with this document.

The measured energy, water, and time of intermittently recurring functions may vary. If these

values differ by more than 10 % from the consumption values provided by the manufacturer,

then the laboratory should seek further guidance from the manufacturer.

Data from all test runs shall be used for the calculation of the mean value for the test series

• the information provided by the manufacturer is not in line with the measurement, or

• consumer information regarding the impact of the relevant intermittently recurring

function on water, energy, and time, is not provided by the manufacturer.

In the test report, the test runs in which intermittently recurring functions occurred shall be

identified. The information provided by the manufacturer concerning intermittently recurring

functions shall also be included in the test report.
Specific guidance is provided in 8.3.2 to 8.3.5.
8.3.2 Energy consumption

The energy consumption for each whole test run shall be calculated from the electrical energy

consumption E and the energy of the supplied hot water E (if any) and stated for each test

e h
run in the test report.

The mean energy consumption shall be calculated from the energy consumption for every whole

test run, except those test runs where an intermittently recurring function event has been

identified in accordance with the manufacturer's instructions to the consumer as described in

8.3.1.

NOTE Annex U provides an informative method to correct energy consumption from cold water within the

(15 ± 2) °C limit or for larger differences that can arise owing to local regional requirements.

8.3.3 Hot water energy

Hot water energy shall be calculated if the dishwasher uses any hot water from an external

source.

It is calculated as the energy contained in the externally supplied hot water relative to the cold-

water temperature of 15 °C in accordance with Equation (18).
E = (Q × (t − 15)) / 860 (18)
h h h
where
E is the hot water energy, in kWh;
t is (∑ (t × Q )) / ∑ Q ; (19)
h hi hi hi

which means the volume-weighted average inlet temperature, in degrees Celsius, of all

hot water supplied to the test machine;
where
---------------------- Page: 11 ----------------------
– 10 – IEC 60436:2015/AMD1:2020
© IEC 2020

t is the temperature of each increment of hot water supplied to the test machine;

Q is the volume of each increment of hot water supplied to the test machine;

Q is the total volume of hot water (∑ Q ), in litres, supplied to the test machine.

h hi

Incremental measurements of water volume and temperature shall be made with a minimum

sampling frequency of once per second.

NOTE The hot water energy, so calculated, includes only the energy embodied in the hot water, relative to the

nominal cold-water temperature and does not take into account any losses associated with the conversion and

distribution of hot water that occur in different households and in different countries.

8.3.4 Water consumption

Total water consumption shall be reported for each test run (including water used for

intermittently recurring functions).

The mean water consumption for the test series shall be calculated from the water consumption

for every test run, except those test runs where an intermittently recurring function event

has been identified in accordance with the manufacturer's instructions as described in 8.3.1.

8.3.5 Time

Programme time shall be measured from the initiation of the programme, excluding any user-

programmed delay until an end-of-programme indicator (this could be a sound, light or a

symbol on a display to indicate that the programme is complete, and the user has access to

the load). If there is no end-of-programme indicator, the programme time ends when all

activity ceases. Programme time shall be reported for each test run.

The mean programme time shall be calculated from the programme time for every whole test

run, except those test runs where an intermittently recurring function event has been

identified in accordance with the manufacturer's instructions to the consumer as described in

8.3.1.
---------------------- Page: 12 ----------------------
IEC 60436:2015/AMD1:2020 – 11 –
© IEC 2020
Replace Table A.1 by the following:
Table A.1 – Specifications of tableware items
Item Id. Item Material Diameter/ Surface colour
Weight in g
description
length in mm
Load items type A + type B
A 1 Dinner plate porcelain 250 530 white
A 2 Dessert plate porcelain 190 250 white
A 3 Dessert bowl Corelle glass 130 118 white
A 4 Mug porcelain 70 268 white
B 1 Soup plate porcelain 230 460 white
B 2 Melamine melamine 195 130 white
dessert plate
B 3 Saucer porcelain 140 140 white
B 4 Cup porcelain 78 120 white
A 5 + B 5 Glass borosilicate 60 110 transparent
glass
A 6 + B 6 Fork (18/10) 188 41 metallic
stainless steel
A 7 + B 7 Knife (18/10) 209 55 metallic
stainless steel
A 8 + B 8 Soup spoon (18/10) 190 51 metallic
stainless steel
A 9 + B 9 Dessert spoon (18/10) 156 34 metallic
stainless steel
A 10 + B 10 Teaspoon (18/10) 136 23 metallic
stainless steel
Serving pieces
S 1 a Small pot (18/10) 160 820 metallic
stainless steel
S 1 b Oven pot (18/10) 160 475 metallic
stainless steel
S 2 Glass bowl borosilicate 186 330 transparent
glass
S 3 Oval platter porcelain 320 850 white
S 4 Melamine bowl melamine 213 170 white
S 5 Serving spoon (18/10) 260 75 metallic
stainless steel
S 6 Serving fork (18/10) 190 35 metallic
stainless steel
S 7 Gravy ladle (18/10) 180 50 metallic
stainless steel
A length and diameter tolerance of 2,5 % of the absolute values is acceptable

The weight tolerance for single items B4 Cup, A5+B5 Glass and S2 Glass bowl, A7+B7 Knife, S5 Serving

Spoon, S6 Serving fork and S7 Gravy ladle shall be within ±20 % of the absolute values; for all other single

items the weight tolerance shall be within ±10 % of the absolute values.
---------------------- Page: 13 ----------------------
– 12 – IEC 60436:2015/AMD1:2020
© IEC 2020
Replace Table A.2 by the following:
Table A.2 – Composition of loads

Rated dishwasher capacity Number of each type of load item to be included in each test load

(place settings):
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Item No. Item description
A 1 Dinner plate 0 0 0 2 3 3 4 4 5 5 6 6 7 7 8 8
b b c
A 2 Dessert plate 2 3 3 4 4 5 5 6 6 7 7 8 8
3 3 5
A 3 Dessert bowl 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8
A 4 Mug 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8
A 5 Glass 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8
B 5 Glass 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
A 6 + B 6 Fork 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A 7 + B 7 Knife 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A 8 Soup spoon 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8 8
B 8 Soup spoon 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
A 9 + B 9 Dessert spoon 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
A 10 + B 10 Teaspoon 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
B 1 Soup plate 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
B 2 Melamine dessert plate 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
B 3 Saucer 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
B 4 Cup 0 1 1 2 2 3 3 4 4 5 5 6 6 7 7 8
S 1 a Small pot 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
S 1 b Oven pot 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1
S 2 Glass bowl 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1
S 3 Oval platter 0 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1
S 4 Melamine bowl 1 1 1 1 1 1 1 1 1 1 2 2 2 2 2 2
S 5 Serving spoon 0 0 0 2 2 2 2 2 2 2 2 2 2 2 2 2
---------------------- Page: 14 ----------------------
IEC 60436:2015/AMD1:2020 – 13 –
© IEC 2020

Rated dishwasher capacity Number of each type of load item to be included in each test load

(place settings):
1 2 3
...

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