IEC 60335-2-11:2008/AMD2:2015

IEC 60335-2-11 ®
Edition 7.0 2015-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AM ENDMENT 2
AM ENDEMENT 2
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 60335-2-11:2008-07/AMD2:2015-11(en-fr)

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IEC 60335-2-11 ®
Edition 7.0 2015-11
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
AM ENDMENT 2
AM ENDEMENT 2
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
INTERNATIONALE
ICS 13.120; 97.060 ISBN 978-2-8322-3035-0

– 2 – IEC 60335-2-11:2008/AMD2:2015

© IEC 2015
FOREWORD
This amendment has been prepared by IEC technical committee 61: Safety of household and

similar electrical appliances.

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

FDIS Report on voting
61/5002/FDIS 61/5056/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• withdrawn,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.
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.

_____________
7 Marking and instructions
7.6 Delete the entire existing subclause.
7.12 Replace the second paragraph by the following:

If symbol ISO 7000-0790 (2004-01) is used, its meaning shall be explained.
Add, after the existing last paragraph, as a second warning, the following new paragraph:
WARNING: The appliance must not be supplied through an external switching device, such as
a timer, or connected to a circuit that is regularly switched on and off by a utility.
7.14 In the addition, replace the requirement by the following:
The height of symbol ISO 7000-0790 (2004-01) shall be at least 15 mm.

 IEC:2015
7.101 Delete the entire existing subclause.

11 Heating
11.3 Replace the first sentence of the first paragraph of the addition by the following:

Where the accessible external surfaces are suitably flat and permit access for the test probe

of Figure 101, then it may be used to measure the temperature rises of accessible external

surfaces specified in Table 101.

Replace the existing note by the following:
NOTE 101 The probe can be held in place using a laboratory stand clamp or similar device.
11.8 In the addition, replace the first paragraph by the following new text and new table:
During the test, the temperature rises are monitored continuously and shall not exceed the
values shown in Table 3 and Table 101.
Table 101 – Maximum temperature rises for accessible external
surfaces under normal operating conditions with the door closed
e
Temperature rise
K
c
Surface Surfaces of appliances situated not more than Surfaces situated more
850 mm above the floor after installation than 850 mm above the
d
floor after installation
d
Front surfaces Other surfaces
Bare metal 38 42 42
a
Coated metal 42 49 49
Glass and ceramic 51 56 56
Plastic and plastic
58 62 62
b
coating > 0,4 mm
a
Metal is considered coated when a coating having a minimum thickness of 90 µm made by enamel or non-
substantially plastic coating is used.
b
The temperature rise limit applies also for plastic material having a metal finish of thickness less than
0,1 mm.
c
When the thickness of plastic coating does not exceed 0,4 mm, the temperature rise limits of coated metal or
glass and ceramic apply.
d
If these values are exceeded, the test is allowed to be repeated with the appliance moved away from the test
corner side wall. The test is repeated for 1 cycle.
e
Temperature rises are not measured on
– the underside of appliances intended to be used on a working surface or floor;
– the rear surface of appliances;
– surfaces that are inaccessible to a 75 mm diameter probe having a hemispherical end.

16 Leakage current and electric strength
16.2 In the modification, add “combined” after “class I”.
20 Stability and mechanical hazards
20.102 Delete the second paragraph of the requirement.

– 4 – IEC 60335-2-11:2008/AMD2:2015

© IEC 2015
20.103 To the end of the second sentence of the requirement, add “or fixed appliances”.

22 Construction
22.103 Replace the existing text in italics by the following:

Compliance is checked by inspection and by the following tests.

The washing machine and tumble dryer are assembled together in accordance with the

instructions.
The combination is placed in the most unfavourable orientation on a surface that is inclined at
5° to the horizontal. Each appliance is supplied at rated voltage and operated under normal
operation in turn and then together.
The empty combination is placed on a horizontal surface and a horizontal force of 150 N is
applied to the upper edge of the combination with the doors closed.
The combination shall not tilt and the tumble dryer shall not fall off the washing machine.
Annexes
Annex BB – Tumble dryers that use a refrigerating system incorporating sealed
motor-compressors for carrying out the drying process
2 Normative references
Delete references IEC 60079-4A and IEC 60079-20 from the existing list.
Add the following new reference:
IEC 60079-20-1, Explosive atmospheres – Part 20-1: Material characteristics for gas and
vapour classification – Test methods and data
Replace the references to ISO 817 and ISO 5149 by the following new references:
ISO 817, Refrigerants – Designation and safety classification

ISO 5149-1, Refrigerating systems and heat pumps – Safety and environmental requirements
– Part 1: Definitions, classification and selection criteria
3 Definitions
Replace the title of this clause by the following new title:
3 Terms and definitions
3.201 Replace, in the existing definition “ISO 5149” by “ISO 5149-1”.
7.1 Replace the last paragraph by the following:
Appliances that use flammable refrigerants shall be marked with symbol ISO 7010 W021.

 IEC:2015
7.12 Replace the first paragraph by the following:

If symbol ISO 7010 W021 is used, its meaning shall be explained.

7.14 Replace the text of the addition by the following:

The perpendicular height of the triangle of symbol ISO 7010 W021 shall be at least 15 mm.

7.15 Replace the text of the addition by the following:

The marking of the type of flammable refrigerant and symbol ISO 7010 W021 shall be visible
when gaining access to the motor-compressors.
22.203 In the existing first paragraph, replace “ignition” by “auto-ignition”.
Replace the existing Table 202 by the following:
Table 202 – Refrigerant flammability parameters
Refrigerant Refrigerant name Refrigerant Refrigerant auto-ignition Refrigerant lower
a, c b, c, d, e
number formula temperature explosive limit
°C % V/V
R50 Methane CH 600 4,4
R290 Propane CH CH CH 450 1,7
3 2 3
R600 n-Butane CH CH CH CH 372 1,4
3 2 2 3
R600a Isobutane CH(CH ) 460 1,3
3 3
a
Values for other flammable refrigerants can be obtained from IEC 60079-20-1 or ISO 5149-1.
b
Values for other flammable refrigerants can be obtained from IEC 60079-20-1 and ISO 817.
c
IEC 60079-20-1 is the reference standard. ISO 5149-1 and ISO 817 may be used if the required data is not
contained in IEC 60079-20-1.
d
Concentration of refrigerant in dry air.
e
In some standards, the term “flammability limit” is used for “explosive limit”.

___________
– 6 – IEC 60335-2-11:2008/AMD2:2015

© IEC 2015
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