SIST EN 60335-2-11:2003
(Main)Household and similar electrical appliances - Safety -- Part 2-11: Particular requirements for tumble dryers
Household and similar electrical appliances - Safety -- Part 2-11: Particular requirements for tumble dryers
Deals with the safety of electric tumble dryers. It covers household use, and use by laymen in shops, in light industry and on farms. Examples are tumble dryers for communal use in blocks of flats and launderettes. It does not cover industrial appliances or use in special conditions such as explosive atmospheres.
Sicherheit elektrischer Geräte für den Hausgebrauch und ähnliche Zwecke -- Teil 2-11: Besondere Anforderungen für Trommeltrockner
Appareils électrodomestiques et analogues - Sécurité -- Partie 2-11: Règles particulières pour les sèche-linge à tambour
En anglais seulement.
Gospodinjski in podobni električni aparati - Varnost - 2-11. del: Posebne zahteve za bobenske sušilnike (IEC 60335-2-11:2002; spremenjen)
General Information
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Standards Content (Sample)
SLOVENSKI SIST EN 60335-2-11:2003
STANDARD
september 2003
Gospodinjski in podobni električni aparati - Varnost - 2-11. del: Posebne
zahteve za bobenske sušilnike (IEC 60335-2-11:2002; spremenjen)
Household and similar electrical appliances - Safety - Part 2-11: Particular
requirements for tumble dryers
ICS 13.120; 97.060 Referenčna številka
SIST EN 60335-2-11:2003(en)
© Standard je založil in izdal Slovenski inštitut za standardizacijo. Razmnoževanje ali kopiranje celote ali delov tega dokumenta ni dovoljeno
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60335-2-11 IEC:2003 – 3 –
CONTENTS
FOREWORD.5
INTRODUCTION.11
1 Scope.13
2 Normative references.13
3 Definitions.15
4 General requirement.15
5 General conditions for the tests .15
6 Classification.15
7 Marking and instructions.17
8 Protection against access to live parts.19
9 Starting of motor-operated appliances .19
10 Power input and current .19
11 Heating.19
12 Void.21
13 Leakage current and electric strength at operating temperature.21
14 Transient overvoltages.21
15 Moisture resistance.23
16 Leakage current and electric strength.23
17 Overload protection of transformers and associated circuits .23
18 Endurance.23
19 Abnormal operation.25
20 Stability and mechanical hazards .27
21 Mechanical strength.29
22 Construction.29
23 Internal wiring.29
24 Components.31
25 Supply connection and external flexible cords .31
26 Terminals for external conductors.31
27 Provision for earthing.31
28 Screws and connections .31
29 Clearances, creepage distances and solid insulation .31
30 Resistance to heat and fire.33
31 Resistance to rusting.33
32 Radiation, toxicity and similar hazards.33
Bibliography.39
Figure 101 – Probe for measuring surface temperatures .35
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60335-2-11 IEC:2003 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
___________
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-11: Particular requirements for tumble dryers
FOREWORD
1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising
all national electrotechnical committees (IEC National Committees). The object of IEC is to promote
international co-operation on all questions concerning standardization in the electrical and electronic fields. To
this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,
Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC
Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested
in the subject dealt with may participate in this preparatory work. International, governmental and non-
governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely
with the International Organization for Standardization (ISO) in accordance with conditions determined by
agreement between the two organizations.
2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international
consensus of opinion on the relevant subjects since each technical committee has representation from all
interested IEC National Committees.
3) IEC Publications have the form of recommendations for international use and are accepted by IEC National
Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC
Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any
misinterpretation by any end user.
4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications
transparently to the maximum extent possible in their national and regional publications. Any divergence
between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in
the latter.
5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any
equipment declared to be in conformity with an IEC Publication.
6) All users should ensure that they have the latest edition of this publication.
7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and
members of its technical committees and IEC National Committees for any personal injury, property damage or
other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and
expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC
Publications.
8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is
indispensable for the correct application of this publication.
9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of
patent rights. IEC shall not be held responsible for identifying any or all such patent rights.
This part of International Standard IEC 60335 has been prepared by IEC technical
committee 61: Safety of household and similar electrical appliances.
This sixth edition cancels and replaces the fifth edition published in 2000 and its
amendment 1 (2000). It constitutes a technical revision.
This bilingual version (2003-11) replaces the English version.
The text of this part of IEC 60335 is based on the following documents:
FDIS Report on voting
61/2097/FDIS 61/2128/RVD
Full information on the voting for the approval of this standard can be found in the report on
voting indicated in the above table.
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60335-2-11 IEC:2003 – 7 –
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its
amendments. It was established on the basis of the fourth edition (2001) of that standard.
NOTE 1 When “Part 1” is mentioned in this standard, it refers to IEC 60335-1.
This part 2 supplements or modifies the corresponding clauses of IEC 60335-1, so as to
convert that publication into the IEC standard: Safety requirements for electric tumble dryers.
When a particular subclause of Part 1 is not mentioned in this part 2, that subclause applies
as far as is reasonable. When this standard states "addition", "modification" or "replacement",
the relevant text in Part 1 is to be adapted accordingly.
NOTE 2 The following numbering system is used:
– subclauses, tables and figures that are numbered starting from 101 are additional to those in Part 1;
– unless notes are in a new subclause or involve notes in Part 1, they are numbered starting from 101, including
those in a replaced clause or subclause;
– additional annexes are lettered AA, BB, etc.
NOTE 3 The following print types are used:
– requirements: in roman type;
– test specifications: in italic type;
– notes: in small roman type.
Words in bold in the text are defined in Clause 3. When a definition concerns an adjective, the adjective and
associated noun are also in bold.
The committee has decided that the contents of this publication will remain unchanged until
2003. At this date, the publication will be
• reconfirmed;
• withdrawn;
• replaced by a revised edition, or
• amended.
The following differences exist in the countries indicated below.
– 3.1.9: The textile material has different dimensions (USA).
– 6.2: Tumble dryers are not required to be IPX4 (USA).
– 7.1: An instruction concerning cleaning the lint trap is to be marked on the dryer in
letters not less than 8 mm high and is to be conspicuous when the dryer door is
open (Australia, New Zealand).
– 7.12: Actual articles of clothing can be specified instead and warnings are required to
be marked on the appliance regarding the use of chemicals for cleaning (USA).
– 11.2: The test condition is different (USA).
– 11.7: This test is continued until steady conditions are established and different
criteria are used to determine when steady conditions are reached (USA).
– 19.4: The test is different (USA).
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60335-2-11 IEC:2003 – 9 –
– 19.9: A running overload test is carried out on automatically controlled tumble dryers
(USA).
– 20.101: The requirement is applicable to door openings with a dimension exceeding 20
cm (Norway).
– 20.102: When considering accessibility to rotating drums, the maximum drum volume is
3
60 dm and the maximum door opening is 20 cm (USA).
– 20.103: This test is not carried out (USA).
– 22.104: The test is different (USA).
– 27.1: Earthing terminals and contacts are allowed to be electrically connected to the
neutral conductor of a tumble dryer (USA)
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60335-2-11 IEC:2003 – 11 –
INTRODUCTION
It has been assumed in the drafting of this International Standard that the execution of its
provisions is entrusted to appropriately qualified and experienced persons.
This standard recognizes the internationally accepted level of protection against hazards such
as electrical, mechanical, thermal, fire and radiation of appliances when operated as in
normal use taking into account the manufacturer's instructions. It also covers abnormal
situations that can be expected in practice.
This standard takes into account the requirements of IEC 60364 as far as possible so that
there is compatibility with the wiring rules when the appliance is connected to the supply
mains. However, national wiring rules may differ.
If an appliance within the scope of this standard also incorporates functions that are covered
by another part 2 of IEC 60335, the relevant part 2 is applied to each function separately, as
far as is reasonable. If applicable, the influence of one function on the other is taken into
account.
This standard is a product family standard dealing with the safety of appliances and takes
precedence over horizontal and generic standards covering the same subject.
An appliance that complies with the text of this standard will not necessarily be considered to
comply with the safety principles of the standard if, when examined and tested, it is found to
have other features which impair the level of safety covered by these requirements.
An appliance employing materials or having forms of construction differing from those detailed
in the requirements of this standard may be examined and tested according to the intent of
the requirements and, if found to be substantially equivalent, may be considered to comply
with the standard.
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60335-2-11 IEC:2003 – 13 –
HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES –
SAFETY –
Part 2-11: Particular requirements for tumble dryers
1 Scope
This clause of Part 1 is replaced by the following.
This International Standard deals with the safety of electric tumble dryers intended for
household and similar purposes, their rated voltage being not more than 250 V for single-
phase appliances and 480 V for other appliances.
NOTE 101 This standard applies to the drying function of washing machines having a drying cycle.
Appliances not intended for normal household use but which nevertheless may be a source of
danger to the public, such as appliances intended to be used by laymen in shops, in light
industry and on farms are within the scope of this standard.
NOTE 102 Examples of such appliances are tumble dryers for communal use in blocks of flats or in launderettes.
As far as is practicable, this standard deals with the common hazards presented by
appliances that are encountered by all persons in and around the home. However, in general,
it does not take into account
– the use of appliances by young children or infirm persons without supervision;
– playing with the appliance by young children.
NOTE 103 Attention is drawn to the fact that
– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements may be
necessary;
– in many countries additional requirements are specified by the national health authorities, the national
authorities responsible for the protection of labour, the national water supply authorities and similar authorities.
NOTE 104 This standard does not apply to
– appliances intended exclusively for industrial purposes;
– appliances intended to be used in locations where special conditions prevail, such as the presence of a
corrosive or explosive atmosphere (dust, vapour or gas).
2 Normative references
This clause of Part 1 is applicable.
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60335-2-11 IEC:2003 – 15 –
3 Definitions
This clause of Part 1 is applicable except as follows.
3.1.9 Replacement:
normal operation
operation of the appliance under the following conditions
The appliance is operated filled with textile material having a mass in the dry condition equal
to the maximum load stated in the instructions.
The textile material consists of pre-washed double-hemmed cotton sheets having dimensions
2 2
approximately 70 cm × 70 cm and a specific mass between 140 g/m and 175 g/m in the dry
condition. The textile material is soaked with water having a temperature of 25 °C ± 5 °C and
a mass equal to that of the textile material.
If the drying function can automatically follow the washing function in a washing machine, the
appliance is not separately loaded. The appliance is operated with the maximum quantity of
textile material stated in the instructions for the combined washing-drying cycle.
NOTE 101 Cotton having a water content not exceeding 10 % is considered to be in the dry condition.
Cotton conditioned for 24 h in still air, having a temperature of 20 °C ± 2 °C, a relative humidity between 60 % and
70 % and a pressure between 860 mbar and 1 060 mbar, will contain approximately 7 % water.
3.101
tumble dryer
appliance in which textile material is dried by tumbling in a rotating drum through which
heated
...
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