IEC 60335-2-11:2008/AMD1:2012

Amendment 1 - Household and similar electrical appliances - Safety - Part 2-11: Particular requirements for tumble dryers

Amendement 1 - Appareils électrodomestiques et analogues - Sécurité - Partie 2-11: Règles particulières pour les sèche-linge à tambour

General Information

• Status: Published
• Publication Date: 24-Oct-2012
• ICS: 13.120 - Domestic safety
• ICS: 97.060 - Laundry appliances
• Technical Committee: TC 61 - Safety of household and similar electrical appliances
• Current Stage: DELPUB - Deleted Publication
• Completion Date: 15-Apr-2019

Relations

• Revised: IEC 60335-2-11:2019 - Household and similar electrical appliances - Safety - Part 2-11: Particular requirements for tumble dryers
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60335-2-11


®


Edition 7.0 2012-10



INTERNATIONAL



STANDARD



NORME
INTERNATIONALE
colour
inside
AMENDMENT 1
AMENDEMENT 1

Household and similar electrical appliances – Safety –
Part 2-11: Particular requirements for tumble dryers

Appareils électrodomestiques et analogues – Sécurité –
Partie 2-11: Règles particulières pour les sèche-linge à tambour


IEC 60335-2-11:2008/A1:2012

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IEC 60335-2-11



®



Edition 7.0 2012-10







INTERNATIONAL





STANDARD







NORME



INTERNATIONALE
colour

inside



AMENDMENT 1

AMENDEMENT 1





Household and similar electrical appliances – Safety –

Part 2-11: Particular requirements for tumble dryers




Appareils électrodomestiques et analogues – Sécurité –

Partie 2-11: Règles particulières pour les sèche-linge à tambour

















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE

PRICE CODE
INTERNATIONALE

CODE PRIX G


ICS 13.120; 97.060 ISBN 978-2-83220-432-0



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® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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– 2 – 60335-2-11 Amend. 1 © IEC:2012



FOREWORD


This amendment has been prepared by committee 61: Safety of household and similar

electrical appliances.


The text of this amendment is based on the following documents:


FDIS Report on voting


61/4434/FDIS 61/4493/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 web site 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.

NOTE The attention of National Committees is drawn to the fact that equipment manufacturers and testing
organizations may need a transitional period following publication of a new, amended or revised IEC publication in
which to make products in accordance with the new requirements and to equip themselves for conducting new or
revised tests.
It is the recommendation of the committee that the content of this publication be adopted for implementation
nationally not earlier than 12 months or later than 36 months from the date of publication.


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.



_____________
Contents
Replace the title of Clause 3 by the following:
Terms and definitions
Replace the title of Annex CC by the following:
Equipment protection by type of protection "n"

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60335-2-11 Amend. 1 © IEC:2012 – 3 –


FOREWORD


In Note 2, replace the title of Annex CC by the following:


Equipment protection by type of protection "n"



3 Definitions


Replace the title of Clause 3 but not the clause number, by the following:


Terms and definitions
Add the following new definition:
3.103
cool down period
final part of the tumble dryer cycle where the drum is continuously rotated with reduced
power to the heating element and with air circulation in order to reduce the possibility of
spontaneous combustion of the clothes load
NOTE Continuous rotation does not mean rotation in same direction if the intended operation is to reverse
direction in normal use.
7 Marking and instructions
7.12 Delete the fifth dashed item from the third paragraph.
11 Heating
11.8 Add the following to the addition:
The exhaust temperature of the air from the drum, measured at the first lint filter after the air
passes the clothes load, shall be measured for the purposes of 22.105.
19 Abnormal operation
19.9 Replace the existing text by the following.

Addition:
The running overload test is carried out on appliances that have overload protective devices
incorporating electronic circuits to protect the windings of the drum motor. However the test is
not carried out if the protective device senses the winding temperature directly.
20 Stability and mechanical hazards
20.101 Delete the last sentence of the requirement.
Add the following new subclause:
20.104 For appliances having a door on a vertical surface with an opening exceeding
3
200 mm and a drum having a volume exceeding 60 dm , it shall not be possible to start the

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– 4 – 60335-2-11 Amend. 1 © IEC:2012


drum motor after closing the door until a separate means which controls the movement of the

drum is operated manually.


NOTE The volume can be calculated from the maximum depth and the maximum inner diameter of the drum.


Compliance is checked by the following test.


The appliance is supplied at rated voltage, and the door is opened and then closed.


If compliance relies on the operation of an electronic circuit, the test is repeated under the

following conditions applied separately:

– the fault conditions in a) to g) of 19.11.2 are applied one at a time to the electronic
circuit;
– the electromagnetic phenomena tests of 19.11.4.2 and 19.11.4.5 are applied to the
appliance.
The drum motor shall not start.
If the electronic circuit is programmable, the software shall contain measures to control the
fault/error conditions specified in Table R1 and is evaluated in accordance with the relevant
requirements of Annex R.
22 Construction
22.104 Replace the requirement by the following:
The operation of protective devices for the heating circuit shall not disable the cool down
period, if any.
Add the following new subclause:
22.105 In order to reduce the risk of spontaneous combustion of the clothes load, the drying
cycle shall conclude with a cool down period to reduce the temperature of the normal
clothes load to a suitable value.
This requirement is not applicable to appliances having a drying cycle air temperature not
exceeding 55 °C.
Compliance is checked by the following test.

The appliance is operated under the conditions in Clause 11 and the exhaust temperature of
the air from the drum shall be measured at the first lint filter after the air passes the clothes
load in the drum.
At end of the cool down period the air temperature shall not exceed 55 °C.
29 Clearances, creepage distances and solid insulation
29.2 Add the following new paragraph
The requirement for a minimum CTI value of 250 is not applicable to functional insulation if
the working voltage does not exceed 50 V.

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60335-2-11 Amend. 1 © IEC:2012 – 5 –


Annexes


Add, before Annex AA, the following new Annex R:


Annex R

(normative)



Software evaluation


R.2.2.5 Modification:


For programmable electronic circuits with functions requiring software incorporating
measures to control the fault/error conditions specified in Table R.1 or Table R.2, detection of
a fault/error shall occur before compliance with Clause 19 and with 20.104 is impaired.
R.2.2.9 Modification:
The software and safety-related hardware under its control shall be initialized and shall
terminate before compliance with Clause 19 and with 20.104 is impaired.
Annex BB – Tumble dryers that use a refrigerating system incorporating sealed motor-
compressors for carrying out the drying process
2 Normative references
Replace the existing reference to IEC 60079-15 by the following:
IEC 60079-15:2010, Explosive atmospheres – Part 15: Equipment protection by type of
protection "n"
Add the following new reference:
ISO 7010:2011, Graphical symbols – Safety colours and safety signs – Registered safety
signs
...