EN 12216:2002, Shutters, external blinds, internal blinds - Terminology, glossary and definitions EN 12280-2:2002, Rubber- or plastic-coated fabrics - Accelerated ageing tests - Part 2:
Trang 2Amendments/corrigenda issued since publication
This British Standard was
published under the authority
of the Standards Policy and
This British Standard is the UK implementation of EN 13120:2009+A1:2014
It supersedes BS EN 13120:2009 which is withdrawn
The UK participation in its preparation was entrusted by Technical Committee B/538, Doors, windows, shutters, hardware and curtain walling, to Subcommittee B/538/3, Domestic shutters and blinds
A list of organizations represented on this subcommittee can be obtained on request to its secretary
a contract Users are responsible for its correct application
Compliance with a British Standard cannot confer immunity from legal obligations.
Trang 3EUROPÄISCHE NORM February 2014
English Version
Internal blinds - Performance requirements including safety
Stores intérieurs - Exigences de performance, y compris la
sécurité Abschlüsse innen - Leistungs- und Sicherheitsanforderungen
This European Standard was approved by CEN on 22 November 2008 and includes Amendment 1 approved by CEN on 27 December
2013
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard 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 CEN member
This European Standard exists in three official versions (English, French, German) A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom
EUROPEAN COMMITTEE FOR STANDARDIZATION
C O M IT É E U R OP É E N D E N O RM A LIS A T IO N EURO PÄ ISC HES KOM ITE E FÜR NORM UNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref No EN 13120:2009+A1:2014 E
Trang 4Contents
Page
Foreword 4
Introduction 5
1 Scope 7
2 Normative references 7
3 Terms and definitions 8
4 Operating effort 10
4.1General 10
4.2Determination 10
4.3Performance requirement 10
5 Design of the operating mechanism − Diagrams HPV ("human pull value") 11
5.1General 11
5.2Performance requirement 11
6 Misuse 13
6.1Curtain and slats 13
6.2Determination 15
6.3Performance requirement 15
7 Mechanical endurance (repeated operation cycles) 15
7.1General 15
7.2Determination 16
7.3Performance requirement 16
7.4Classes of endurance 17
8 Safety in use 18
8.1General 18
8.2Protection from strangulation 18
8.3Guided power operated internal blinds — Protection from crushing 22
9 Hygiene, health and environment 23
10 Thermal resistance 23
10.1 General 23
10.2 Determination 23
10.3 Performance requirement 23
11 Total solar energy transmittance g tot 23
11.1 General 23
11.2 Determination 23
11.3 Performance requirement 24
12 Appearance 24
12.1 General 24
12.2 Flexibility of slats (venetian internal blinds only) 24
12.3 Form tolerances 24
12.4 Dimensional tolerances 27
12.5 Horizontal and vertical deviation tolerances 28
13 Durability 29
13.1 General 29
Trang 5Contents
Page
Foreword 4
Introduction 5
1 Scope 7
2 Normative references 7
3 Terms and definitions 8
4 Operating effort 10
4.1General 10
4.2Determination 10
4.3Performance requirement 10
5 Design of the operating mechanism − Diagrams HPV ("human pull value") 11
5.1General 11
5.2Performance requirement 11
6 Misuse 13
6.1Curtain and slats 13
6.2Determination 15
6.3Performance requirement 15
7 Mechanical endurance (repeated operation cycles) 15
7.1General 15
7.2Determination 16
7.3Performance requirement 16
7.4Classes of endurance 17
8 Safety in use 18
8.1General 18
8.2Protection from strangulation 18
8.3Guided power operated internal blinds — Protection from crushing 22
9 Hygiene, health and environment 23
10 Thermal resistance 23
10.1 General 23
10.2 Determination 23
10.3 Performance requirement 23
11 Total solar energy transmittance g tot 23
11.1 General 23
11.2 Determination 23
11.3 Performance requirement 24
12 Appearance 24
12.1 General 24
12.2 Flexibility of slats (venetian internal blinds only) 24
12.3 Form tolerances 24
12.4 Dimensional tolerances 27
12.5 Horizontal and vertical deviation tolerances 28
13 Durability 29
13.1 General 29
13.3 Tensile resistance of fabrics 29
13.4 Resistance to corrosion 30
13.5 Dimensional stability 31
14 Handling and storage 31
14.1 General 31
14.2 Determination 31
14.3 Performance requirement 31
15 Information for installation, use and maintenance 32
15.1 General 32
!15.2Warning notice" 32
15.3 Accompanying documents (in particular the instruction for use) 33
16 Marking 35
16.1 All internal blinds 35
16.2 Additional requirements for power operated internal blinds 35
Annex A (informative) Definition of internal atmospheric conditions (Interior surroundings) 37
A.1 Definition of internal hygrometries 37
A.2 Indicative classification of buildings according to their hygrometry 37
Annex B (normative) List of significant “machine” hazards 39
Annex C (informative) Common safety systems for protection from strangulation 40
C.1 General 40
C.2 Tensioning systems 40
C.3 Breakaway systems 41
C.4 Pull cord(s) stop 42
C.5 Accumulation systems 43
C.6 Individual cord or ball-chain non-tangle systems 43
Annex ZA (informative) Relationship between this European Standard and the Essential Requirements of EU Directive 2006/42/EC 45
Bibliography 46
Trang 6Foreword
This European Standard (EN 13120:2009+A1:2014) has been prepared by Technical Committee CEN/TC 33
“Doors, windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2014, and conflicting national standards shall be withdrawn at the latest by August 2014
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights This document supersedes !EN 13120:2009."
This document includes Amendment 1 approved by CEN on 27 December 2013
The start and finish of text introduced or altered by amendment is indicated in the text by tags !"
This European Standard has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s)
For relationship with EU Directive(s), see informative !Annex ZA, which is an integral part" of this document
This European Standard is part of a series of standards dealing with internal blinds and shutters for buildings
Trang 7Foreword
This European Standard (EN 13120:2009+A1:2014) has been prepared by Technical Committee CEN/TC 33
“Doors, windows, shutters, building hardware and curtain walling”, the secretariat of which is held by AFNOR
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by August 2014, and conflicting national standards shall be withdrawn at
the latest by August 2014
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights
This document supersedes !EN 13120:2009."
This document includes Amendment 1 approved by CEN on 27 December 2013
The start and finish of text introduced or altered by amendment is indicated in the text by tags !"
This European Standard has been prepared under a mandate given to CEN by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s)
For relationship with EU Directive(s), see informative !Annex ZA, which is an integral part" of this
document
This European Standard is part of a series of standards dealing with internal blinds and shutters for buildings
as defined in EN 12216
This European Standard specifies the requirements for internal blinds, the levels of performance and, where
applicable, the associated classes
It is completed by test standards as well as by the standards referring to specific performance requirements
Annex A and C are informative Annex B is normative
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Cyprus, Czech
Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom
— for thermal comfort:
— solar factor (see Clause 11 of the present standard);
— secondary heat transfer factor;
— direct solar transmittance;
— for visual comfort:
NOTE 2 Reaction to fire of internal blinds is not covered by this standard The performance of the products shall be evaluated according to the relevant standards (e.g EN 13772) Minimal performance may be required by national regulations
A list of these documents is given in the Bibliography
This European Standard is a type C standard as stated in EN ISO 12100
The machinery concerned and the extent to which hazards, hazardous situations and events are covered are indicated in the scope of this document
When provisions of this type C standard are different from those which are stated in type A or B standards, the provisions of this type C standard take precedence over the provisions of the other standards, for machines that have been designed and built according to the provisions of this type C standard
With the aim of clarifying the intentions of the standard and avoiding doubts on reading, the following assumptions were made related to power operated products:
— negotiations occur between the manufacturer and the purchaser concerning particular conditions for use and places for use such as nursery schools or buildings for disabled people which need specific risk
Trang 8— the risk analysis carried out in this European Standard and the significant hazards listed in Annex B presume a normal use or normally predictable use e.g which excludes deliberate and conscious risks taken by the user (see Interpretative Document “Safety in use” of EU Construction Products Directive)
Trang 9— the risk analysis carried out in this European Standard and the significant hazards listed in Annex B
presume a normal use or normally predictable use e.g which excludes deliberate and conscious risks
building It deals also with the significant machinery hazards relating to construction, transport, installation, operation and maintenance of internal blinds (see list of significant hazards in Annex B)
It applies to internal blinds, whatever their design and the nature of the materials used, as listed below:
— venetian blind: free hanging, guided, non-retractable;
— roller blind: free hanging, side guided, with tensioned fabric;
— vertical blind: free hanging, with top and bottom track, sloping headrail;
— pleated and honeycomb blind: free hanging, guided, laterally moving, tensioned;
Noise aspects are not treated in this standard because this is not considered a safety issue
This standard is not applicable to internal blinds which are manufactured before the date of publication of this standard."
2 Normative references
The following referenced documents are indispensable for the application of this document For dated references, only the edition cited applies For undated references, the latest edition of the referenced document (including any amendments) applies
EN 1050:1996, Safety of machinery — Principles for risk assessment
EN 1070:1998, Safety of machinery — Terminology
EN 1670, Building hardware - Corrosion resistance - Requirements and test methods
EN 12045, Shutters and blinds power operated - Safety in use - Measurement of the transmitted force
Trang 10EN 12216:2002, Shutters, external blinds, internal blinds - Terminology, glossary and definitions
EN 12280-2:2002, Rubber- or plastic-coated fabrics - Accelerated ageing tests - Part 2: Physical ageing:
effect of light or weathering
EN 13125, Shutters and blinds - Additional thermal resistance - Allocation of a class of air permeability to a
product
EN 13527, Shutters and blinds — Measurement of the operating force — Test methods
EN 14201, Blinds and shutters - Resistance to repeated operations (mechanical endurance) - Methods of
testing
EN 14500, Blinds and shutters - Thermal and visual comfort - Test and calculation methods
EN 14501, Blinds and shutters - Thermal and visual comfort - Performance characteristics and classification
EN 16434, Internal blinds – Protection from strangulation hazards – Requirements and Test methods for
safety devices"
EN 20105-A02:1994, Textiles - Tests for colour fastness - Part A02: Grey scale for assessing change in colour
(ISO 105-A02:1993)
EN 60335-1, Household and similar electrical appliances – Safety — Part 1: General requirements
EN 60335-2-97, Household and similar electrical appliances – Safety – Part 2-97: Particular requirements for
drives for rolling shutters, awnings, blinds and similar equipment !(IEC 60335-2-97)"
acoustic and tactile signals (IEC 61310-1)"
EN ISO 1421, Rubber- or plastics-coated fabrics - Determination of tensile strength and elongation at break
(ISO 1421:1998)
EN ISO 105-B04, Textiles - Tests for colour fastness - Part B04: Colour fastness to artificial weathering:
Xenon arc fading lamp test (ISO 105-B04:1994)
reduction (ISO 12100:2010)"
ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests
3 Terms and definitions
For the purposes of this European Standard, the terms and definitions given in EN 1070:1998,
EN 12216:2002 and the following apply
Trang 11EN 12216:2002, Shutters, external blinds, internal blinds - Terminology, glossary and definitions
EN 12280-2:2002, Rubber- or plastic-coated fabrics - Accelerated ageing tests - Part 2: Physical ageing:
effect of light or weathering
EN 13125, Shutters and blinds - Additional thermal resistance - Allocation of a class of air permeability to a
product
EN 13527, Shutters and blinds — Measurement of the operating force — Test methods
EN 14201, Blinds and shutters - Resistance to repeated operations (mechanical endurance) - Methods of
testing
EN 14500, Blinds and shutters - Thermal and visual comfort - Test and calculation methods
EN 14501, Blinds and shutters - Thermal and visual comfort - Performance characteristics and classification
EN 16434, Internal blinds – Protection from strangulation hazards – Requirements and Test methods for
safety devices"
EN 20105-A02:1994, Textiles - Tests for colour fastness - Part A02: Grey scale for assessing change in colour
(ISO 105-A02:1993)
EN 60335-1, Household and similar electrical appliances – Safety — Part 1: General requirements
EN 60335-2-97, Household and similar electrical appliances – Safety – Part 2-97: Particular requirements for
drives for rolling shutters, awnings, blinds and similar equipment !(IEC 60335-2-97)"
acoustic and tactile signals (IEC 61310-1)"
EN ISO 1421, Rubber- or plastics-coated fabrics - Determination of tensile strength and elongation at break
(ISO 1421:1998)
EN ISO 105-B04, Textiles - Tests for colour fastness - Part B04: Colour fastness to artificial weathering:
Xenon arc fading lamp test (ISO 105-B04:1994)
reduction (ISO 12100:2010)"
ISO 9227, Corrosion tests in artificial atmospheres — Salt spray tests
3 Terms and definitions
For the purposes of this European Standard, the terms and definitions given in EN 1070:1998,
EN 12216:2002 and the following apply
3.1
internal blind
blind fitted in front of or on a window or in between !non-sealed" glazings or anywhere within the internal
surface of the building
3.2
intrinsic performance
3.3 specific performance
performance which may be additional and complementary to the intrinsic performances and refers to a specific product
3.4 curtain
part of the product which is set in motion by the operating mechanism and ensures its function
3.5 extension/retraction
movement of the curtain resulting in an increase/decrease in the surface area covered
3.6 opening/closing
terms used to describe the increase in light (opening) or reduction of light (closing) in an extended position for products with slats or louvres which can be tilted or adjusted
3.7 rough operation
sharp action on the operating mechanism or directly on the curtain, resulting in excessive speed at the beginning and a sudden stop at the end
NOTE Rough operation is only possible if the moving part has significant inertia (mass and speed)
3.8 forced operation
excessive force exerted on the operating mechanism or directly on the curtain with the aim of causing movement in spite of resistance to the travel of the curtain
3.9 reversed operation
extension or retraction of the curtain occurring in the opposite direction to that intended without use of abnormal force
3.10 winch handle
operating !system" consisting of a reel rotated by an operating handle which allows accumulation of a cord, cable or chain
3.11 gear with crank handle
operating !system" consisting of a gear attached to an axle, a drive shaft, a universal joint, a rotating rod and a crank handle
3.12 one direction movement of the operating mechanism
operating !system" operated by a single cord, tape, etc., extension/retraction being effected by relying on gravity or the potential energy stored up during retraction/extension (respectively)
3.13 endless movement of the operating mechanism
operating !system" operated by a loop, movement in one direction extends the curtain (or tilts the slats or louvres), and in the reverse retracts the curtain (or tilts the slats or louvres) in the opposite direction
3.14 monocommand
single operating !system" which achieves both opening/closing and extension/retraction
Trang 12inner cord or tape
part of the operating system using cord or tape that runs within the curtain that may be present at the front, side, rear or inside the curtain
3.17
pull cord or chain
part of the operating system using cord or chain external to the curtain that is pulled by the user to extend/retract or tilt the curtain
accessible cord, chain, ball-chain or similar
cord, chain, ball-chain or similar that is exposed from the front, back or side of the internal blind and could be reached and pulled by a child under 42 months
hazardous cord, chain, ball-chain or similar
one or more accessible cord(s), chain(s), ball-chain(s) or similar which may tangle or in which a young child could become entangled"
4 Operating effort
4.1 General
Does not apply in the case of power operated products
Trang 13inner cord or tape
part of the operating system using cord or tape that runs within the curtain that may be present at the front,
side, rear or inside the curtain
3.17
pull cord or chain
part of the operating system using cord or chain external to the curtain that is pulled by the user to
extend/retract or tilt the curtain
accessible cord, chain, ball-chain or similar
cord, chain, ball-chain or similar that is exposed from the front, back or side of the internal blind and could be
reached and pulled by a child under 42 months
3.20
hazardous loop
loop of accessible cord, chain, ball-chain or similar, combined or not with the curtain, that may fit over the
head of a young child
3.21
hazardous cord, chain, ball-chain or similar
one or more accessible cord(s), chain(s), ball-chain(s) or similar which may tangle or in which a young child
could become entangled"
4 Operating effort
4.1 General
Does not apply in the case of power operated products
operation
4.2 Determination
Shall be in accordance with the test methods specified in EN 13527
4.3 Performance requirement
Table 1 — Maximum values F M for operating force
N
NOTE 1 For spring loaded systems, 1,5 FM may be reached for locking in the fully extended or retracted position
NOTE 2 An internal blind belongs to Class 2 if both the operations of moving the curtain and tilting the slats or louvres belong to Class 2 Otherwise the internal blind is Class 1
a Operation mechanism shall also fulfil the requirements in Clause 5
b One direction movement and endless movement of the operating mechanism
Gear with crank or winch handle shall have:
— a handle R of length less or equal to 0,20 m (R ≤ 0,20 m);
— a reduction ratio r of the gear less than 1:10 (average or mean reduction ratio when, for the same gear, several reductions exist)
NOTE A reduction ratio of 1:10 means it is necessary to make ten turns of the crank to achieve one rotation of the roller tube or axle
5.2.2 Tape, cord or chain operation
Operating mechanisms shall have minimal dimensions as given in the HPV diagrams (see Figures 1 and 2)
Trang 14Apparent cord diameter for HPV
for n cords with diameter d
Trang 15Apparent cord diameter for HPV
for n cords with diameter d
Figure 1 — Diagram HPV for a cord or chain operation
by use of the table in Figure 1 The diameter calculated can be tested against the diagram at Figure 1 to
effort shall be located in area 1 of the Figure 1 diagram
Key
FM Operating effort
Figure 2 — Diagram HPV for a tape operation
a) the damage impairs its correct operation;
b) the damage leads to a deterioration in appearance as defined in Clause 12
Misuse operations are related to the displacement of the curtain and to the tilting of the !slats"
6.1.2 Displacement of the curtain 6.1.2.1 Rough operation
Rough operation is not possible because the conditions of a rough operation are not likely to occur (no excessive speed, no inertia of curtain)
Trang 166.1.2.2 Forced operation
Forced operation occurs in the direction of extension or retraction, the curtain being either stopped or blocked
in extended or retracted position, or blocked in an intermediate position
Figure 3 illustrates the six possibilities of forced operations
Key
1 Direction of extension
2 Direction of retraction
a) Curtain fully extended
b) Curtain fully retracted
c) Curtain in intermediate position, obstructed during extension and/or retraction
Figure 3 — Illustration of the six possibilities of forced operation 6.1.2.3 Reversed operation
Reversed operations are only applicable to roller internal blinds or to products using a rolling mechanism for extension or retraction
For these products, operation in situation a1 or b2 illustrated in Figure 3 is a reversed operation when the movement in the opposite direction is possible with an effort less than the limit of the class of operation If the movement is not possible, it is a forced operation
Reversed operation occurs on extension after the curtain is fully extended and on retraction after the curtain is fully retracted
6.1.3 Tilting of the slats/louvres
Trang 176.1.2.2 Forced operation
Forced operation occurs in the direction of extension or retraction, the curtain being either stopped or blocked
in extended or retracted position, or blocked in an intermediate position
Figure 3 illustrates the six possibilities of forced operations
Key
1 Direction of extension
2 Direction of retraction
a) Curtain fully extended
b) Curtain fully retracted
c) Curtain in intermediate position, obstructed during extension and/or retraction
Figure 3 — Illustration of the six possibilities of forced operation 6.1.2.3 Reversed operation
Reversed operations are only applicable to roller internal blinds or to products using a rolling mechanism for
extension or retraction
For these products, operation in situation a1 or b2 illustrated in Figure 3 is a reversed operation when the
movement in the opposite direction is possible with an effort less than the limit of the class of operation If the
movement is not possible, it is a forced operation
Reversed operation occurs on extension after the curtain is fully extended and on retraction after the curtain is
fully retracted
6.1.3 Tilting of the slats/louvres
6.1.3.1 Rough operation
Rough operation is not possible because the conditions of a rough operation are not likely to occur (no
excessive speed, no inertia of !slats")
On completion of each of the tests, using forced and reversed operations, using the values given in Table 2:
— there shall be no visible defects other than those allowed in Clause 12; and
— for manual operation, the value of operating force shall be maintained within the limit of the initial class (see Table 1)
Certain products are not designed to withstand obstruction of the curtain in the situations b1, c1 or c2 and for automatic spring roller internal blind, in situation a1 illustrated in Figure 3 They will not be subjected to the corresponding tests if the technical instructions have a warning for the user stating the risk of damage when the curtain is obstructed in these situations
The manufacturer shall ensure his installation instructions emphasise that the operating procedures shall be given to the end user
Table 2 — Misuse values relative to the type of operation Effort of misuse operation Misuse operation Force a
P = exerted misuse force
C = exerted misuse torque
F = forced, I = reversed
R = the maximum length of crank handle described in the technical instructions with R ≤ 0,20 m
a Operation by tape, cord or chain, rod, hand operation
b Operation by crank or winch handles, wand
c For power operated operations, the effort to be applied is the one produced by the motor
NOTE There are no performance classes
7 Mechanical endurance (repeated operation cycles)
7.1 General
Ability of the internal blind to withstand a number of operating cycles corresponding to a given usage:
Trang 18— the curtain: one cycle corresponds to a complete operation of curtain extension and retraction including the rest times;
— the slats/louvres: one tilt cycle is defined as a complete movement of the pivoting mechanism, moving the slats or louvres from one extreme position to the other and then back again
installed If the safety device(s) is(are) incompatible with the test equipment used to verify the mechanical endurance, the test may be carried out without such safety device(s) as the mechanical endurance of the safety device(s) is covered by EN 16434."
— The value of operating effort shall be maintained within the limit of the initial class
— Appearance criteria shall be fulfilled: there shall not be visible defects other than those detailed in Clause
12
— Operating mechanisms shall not sustain significant damage
NOTE The capability for use of a gear with crank handle, supplied on the market, intended to be incorporated in an internal blind may be determined according to EN 14203 Using gear with crank handle conforming to EN 14203 may allow internal blind manufacturers to reach a higher endurance class
7.3.3 Power operation
7.3.3.1 Appearance
There shall not be visible defects other than those allowed in Clause 12
7.3.3.2 Variations of the speed under load
1
2 1
× Τ
T2 time taken for full retraction of the curtain measured at the end of the endurance test
7.3.3.3 Accuracy of the positions of limit stops
The variation of the fully retracted and fully extended positions, measured for both directions recorded after one complete operating cycle, shall remain in the range of values given in Table 3
Trang 19— the curtain: one cycle corresponds to a complete operation of curtain extension and retraction including
the rest times;
— the slats/louvres: one tilt cycle is defined as a complete movement of the pivoting mechanism, moving the
slats or louvres from one extreme position to the other and then back again
installed If the safety device(s) is(are) incompatible with the test equipment used to verify the mechanical
endurance, the test may be carried out without such safety device(s) as the mechanical endurance of the
safety device(s) is covered by EN 16434."
— The value of operating effort shall be maintained within the limit of the initial class
— Appearance criteria shall be fulfilled: there shall not be visible defects other than those detailed in Clause
12
— Operating mechanisms shall not sustain significant damage
NOTE The capability for use of a gear with crank handle, supplied on the market, intended to be incorporated in an
internal blind may be determined according to EN 14203 Using gear with crank handle conforming to EN 14203 may
allow internal blind manufacturers to reach a higher endurance class
7.3.3 Power operation
7.3.3.1 Appearance
There shall not be visible defects other than those allowed in Clause 12
7.3.3.2 Variations of the speed under load
1
2 1
× Τ
T2 time taken for full retraction of the curtain measured at the end of the endurance test
7.3.3.3 Accuracy of the positions of limit stops
The variation of the fully retracted and fully extended positions, measured for both directions recorded after
one complete operating cycle, shall remain in the range of values given in Table 3
Accuracy of the position of limit stops is illustrated at Figure 4
Table 3 — Power operated products — Accuracy of the limit stops
Limit stops drift
Class 2
Figure 4 — Illustration of the accuracy of the limit stops for Class 1 and 2 7.3.3.4 Characteristics of the mechanical brake (if present)
Stopping the movement of the curtain shall not lead to an angular displacement of more than 20°
The displacement of the bottom rail, after applying an overload of 15 % of the curtain weight, shall not exceed
5 mm The measurement shall be taken at an intermediate position, having applied the overload for 12 hours
NOTE A mechanical brake is a brake applied by stored energy (spring force) until released by an external sustained electrical power supply
7.3.3.5 Grease and oil traces
There shall be no visible traces of grease and oil
NOTE The suitability for use of a power operated drive, supplied on the market, intended to be incorporated in an internal blind may be determined according to EN 14202 Using a power operated drive conforming to EN 14202 may allow internal blind manufacturers to reach a higher endurance class
7.4 Classes of endurance
Table 4 gives the number of cycles corresponding to the three endurance classes specified
Trang 20Table 4 — Classes of endurance Number of cycles Class 1 Class 2 Class 3
8 Safety in use
8.1 General
The significant machinery hazards dealt with are listed in Annex B
Special attention shall be paid by the manufacturer of internal blinds to ensure there are no parts which can cause harm to the individual
Sharp and projecting edges of any moving parts !and parts related to child safety (e.g safety devices)" of the internal blind likely to be located at a height lower than 2,50 m above the floor or any permanent access level, shall be rounded with a minimum radius of 0,5 mm Bottom rail end plugs shall have a minimum of 0,5
mm radius, or edged or protected by foam or rubber
Electric drives shall conform to EN 60335-1 and EN 60335-2-97
It does not apply to internal blinds intended to be installed only in premises where children are unlikely to have access such as work premises: offices, factories, laboratories, etc In this case, a notice with the following text
“product intended to be installed in premises where children are not likely to have access (offices, factories )” shall accompany the internal blind
For clarification purposes, the term “cord(s)” used in this clause shall mean “cord(s), chain(s), ball-chain(s), tape(s) and similar”
Risk of strangulation to babies and young children arises where internal blinds incorporate accessible cord(s) that can form a hazardous loop or/and present a risk of entanglement Hazardous loops can be formed by the pull cords and/or by the inner cords
Internal blinds presenting no hazardous loops and no hazardous cords are deemed to satisfy the requirements of this clause 8.2
Complete elimination of the risk of strangulation can best be achieved by keeping cord(s) out of the reach of children Where cord(s) is/are required for the operation of the internal blind, the requirements defined in this clause shall be fulfilled
NOTE Motorisation and crank operation may eliminate the risk associated with pull cord(s)
This clause has been established taking into account babies and young children aged from 0 to 42 months:
Trang 21Table 4 — Classes of endurance Number of cycles Class 1 Class 2 Class 3
8 Safety in use
8.1 General
The significant machinery hazards dealt with are listed in Annex B
Special attention shall be paid by the manufacturer of internal blinds to ensure there are no parts which can
cause harm to the individual
Sharp and projecting edges of any moving parts !and parts related to child safety (e.g safety devices)" of
the internal blind likely to be located at a height lower than 2,50 m above the floor or any permanent access
level, shall be rounded with a minimum radius of 0,5 mm Bottom rail end plugs shall have a minimum of 0,5
mm radius, or edged or protected by foam or rubber
Electric drives shall conform to EN 60335-1 and EN 60335-2-97
!
8.2 Protection from strangulation
8.2.1 General
This clause applies to internal blinds intended to be installed in premises where children aged from 0 to 42
months are likely to have access to or to be present, such as, for example, homes, hotels, hospitals,
churches, shops, schools, nurseries, and public places in general This clause also applies when the
destination of internal blinds is not defined
It does not apply to internal blinds intended to be installed only in premises where children are unlikely to have
access such as work premises: offices, factories, laboratories, etc In this case, a notice with the following text
“product intended to be installed in premises where children are not likely to have access (offices, factories
)” shall accompany the internal blind
For clarification purposes, the term “cord(s)” used in this clause shall mean “cord(s), chain(s), ball-chain(s),
tape(s) and similar”
Risk of strangulation to babies and young children arises where internal blinds incorporate accessible cord(s)
that can form a hazardous loop or/and present a risk of entanglement Hazardous loops can be formed by the
pull cords and/or by the inner cords
Internal blinds presenting no hazardous loops and no hazardous cords are deemed to satisfy the
requirements of this clause 8.2
Complete elimination of the risk of strangulation can best be achieved by keeping cord(s) out of the reach of
children Where cord(s) is/are required for the operation of the internal blind, the requirements defined in this
clause shall be fulfilled
NOTE Motorisation and crank operation may eliminate the risk associated with pull cord(s)
This clause has been established taking into account babies and young children aged from 0 to 42 months:
— from 0 to 6 months, the protection is achieved by preventing access to cord(s) since babies have a limited ability to crawl, walk or climb;
— from 6 to 42 months, the protection is achieved by fulfilling specific safety requirements
8.2.2 Determination
The determination shall be in accordance with the test methods specified in EN 16433
8.2.3 Performance requirements 8.2.3.1 General
The internal blind shall fulfil the requirements depending on the type of pull and inner cord(s)
In addition, the warning notice as specified in 15.2.2.2 shall be attached to the product in a conspicuous position
Safety systems which are non-integral to internal blinds (e.g fixed tensioning system, accumulation system) shall be delivered attached to the cord(s) for which it is intended and in the position of intended use In addition, the warning defined in 15.2.2.3 shall be conspicuously displayed on the safety system
8.2.3.2 Internal blind with operating loop(s) 8.2.3.2.1 General
The risk of strangulation shall be minimised by eliminating the hazardous loop, either by use of a breakaway system or by use of a fixed tensioning system
8.2.3.2.2 Breakaway system
The internal blind shall fulfil the following requirements:
a) The length of the pull cord(s) shall be limited as follows:
1) If the installation height (H0) is not specified, the length of the pull cord(s) (H2) shall be less than or equal to 2/3 of the height of the curtain (see Figure 5): H2 ≤ 2/3 H
(H1) shall be at least 0,6 m: H1 > 0,6 m
and b) The hazardous loop shall be eliminated when a mass of 6 kg is gradually applied to the pull cord(s) or within 5 s of application
NOTE The load has been defined taking into account the mass of the 5th percentile of 6 months old children according to the standard BS 7231-1:1990
8.2.3.2.3 Fixed tensioning system
The fixed tensioning system consists of (see Figure 5):
— the pull cord(s),
— the control mechanism: the pulley and its housing,
Trang 22Key
1 pull cord(s)
2 control mechanism
3 fixed retaining device
Figure 5 — Fixed tensioning system
The fixed tensioning system shall prevent the looped pull cord(s) becoming slack This shall be achieved by installing the fixed retaining device at the maximum distance possible from the control mechanism
The internal blind shall fulfil the following requirements:
a) The length of the pull cord(s) shall be limited as follows:
1) If the installation height (H0) is not specified, and
ii) If the height of the blind (H) is greater than 2,5 m, the length of the pull cord(s) (H2) shall be less
(H1) shall be at least 1,5 m (see Figure 6): H1 > 1,5 m
b) The distance between the two strands of the loop shall not be more than 50 mm at the point of exit from the fixed tensioning device
Trang 23Key
1 pull cord(s)
2 control mechanism
3 fixed retaining device
Figure 5 — Fixed tensioning system
The fixed tensioning system shall prevent the looped pull cord(s) becoming slack This shall be achieved by
installing the fixed retaining device at the maximum distance possible from the control mechanism
The internal blind shall fulfil the following requirements:
a) The length of the pull cord(s) shall be limited as follows:
1) If the installation height (H0) is not specified, and
ii) If the height of the blind (H) is greater than 2,5 m, the length of the pull cord(s) (H2) shall be less
(H1) shall be at least 1,5 m (see Figure 6): H1 > 1,5 m
b) The distance between the two strands of the loop shall not be more than 50 mm at the point of exit from
the fixed tensioning device
Key
Figure 6 — Illustration of the distances H, H 0 , H 1 and H 2
In addition, no part of the fixed tensioning system shall crack or fracture under the application of a load of 60 N
to the pull cord(s) The fixed tensioning system shall continue to function as intended
8.2.3.3 Internal blind with pull cord(s)
This clause has been established on the assumption that the headrail of internal blinds is installed at more than 1,5 m from the floor
The internal blind shall fulfil the following requirements:
a) In the fully extended position, the length of the pull cord(s) shall be limited as follows:
1) If the installation height (H0) is not specified, and
(H1) shall be at least 1,5 m (see Figure 6): H1 > 1,5 m
b) The pull cords shall fulfil the following requirements:
1) In case of two pull cords:
i) Pull cords shall not tangle, or if they tangle, the hazardous loop shall be eliminated under the application of a mass of 6 kg or within 5 s of application; or
ii) Pull cords shall be connected together using a breakaway system The hazardous loop shall then be eliminated under the application of a mass of 6 kg or within 5 s of application
2) In the case of more than two cords, pull cords shall be connected together using a breakaway
Trang 24within 5 s of application However, in the case of internal blinds with more than four cords and in the absence of a suitable breakaway connector, it is accepted that the cords may be connected to a single pull cord on condition that the connector is positioned at less than 50 mm from the headrail when the internal blind is in the fully extended position
c) Unless, at all positions of the curtain, the length of cord(s) is limited to the values defined in indent 1, an accumulation system shall be supplied so that pull cords can be stored out of the reach of children The accumulation system shall be designed so that:
1) The complete length of pull cord(s) can be accumulated and maintained when the internal blind is in the fully retracted position
2) No more than 100 mm of cord(s) is released after a force of 60 N is applied to any of the cord(s) on either side of the accumulation device, the curtain being in the fully retracted position
8.2.3.4 Internal blinds with accessible inner cords
Inner cords shall be considered accessible if, when using the accessibility probe defined in EN 16433, they can be reached and touched with the interior surface of the hook
If inner cord(s) are accessible:
a) the maximum distance between two consecutive attachment / retention points of inner cords shall be less than or equal to 200 mm;
8.2.4 Requirements relating to safety devices
Safety devices shall fulfil EN 16434
NOTE Examples of safety devices used for protection from strangulation are presented in Annex C."
8.3 Guided power operated internal blinds — Protection from crushing
Crushing hazards shall be eliminated or reduced
The requirement is fulfilled if, at least, one of the following conditions, and where appropriate in accordance with the methods of test specified in EN 12045, is present:
a) the bottom rail moves only by gravity and has a mass of less than 15 kg;
b) the bottom rail , in the fully extended position, is at least 0,40 m from a fixed object;
Trang 25within 5 s of application However, in the case of internal blinds with more than four cords and in the
absence of a suitable breakaway connector, it is accepted that the cords may be connected to a
single pull cord on condition that the connector is positioned at less than 50 mm from the headrail
when the internal blind is in the fully extended position
c) Unless, at all positions of the curtain, the length of cord(s) is limited to the values defined in indent 1, an
accumulation system shall be supplied so that pull cords can be stored out of the reach of children The
accumulation system shall be designed so that:
1) The complete length of pull cord(s) can be accumulated and maintained when the internal blind is in
the fully retracted position
2) No more than 100 mm of cord(s) is released after a force of 60 N is applied to any of the cord(s) on
either side of the accumulation device, the curtain being in the fully retracted position
8.2.3.4 Internal blinds with accessible inner cords
Inner cords shall be considered accessible if, when using the accessibility probe defined in EN 16433, they
can be reached and touched with the interior surface of the hook
If inner cord(s) are accessible:
a) the maximum distance between two consecutive attachment / retention points of inner cords shall be less
Internal blinds which are not custom made for the intended building opening (“stock blinds”) shall allow
adjustment by the installer or consumer to limit the creation of hazardous loop In this case any safety
device(s) provided shall be installed so that the internal blind is locked in the fully retracted position
Instructions shall be provided so that the user or installer can adjust the position of such safety device(s) and
the internal blind can be fully operable In addition, the warning defined in 15.2.2.3 shall be displayed
conspicuously on the safety device(s)
8.2.4 Requirements relating to safety devices
Safety devices shall fulfil EN 16434
NOTE Examples of safety devices used for protection from strangulation are presented in Annex C."
8.3 Guided power operated internal blinds — Protection from crushing
Crushing hazards shall be eliminated or reduced
The requirement is fulfilled if, at least, one of the following conditions, and where appropriate in accordance
with the methods of test specified in EN 12045, is present:
a) the bottom rail moves only by gravity and has a mass of less than 15 kg;
b) the bottom rail , in the fully extended position, is at least 0,40 m from a fixed object;
d) the internal blind has a hold-to-run control and the switch is incorporated in the product or installed in such a way that it allows the control in the direct view of the bottom rail In that last case, it shall be mentioned in the installation instructions;
e) the internal blind is equipped with a security device which:
— prevents contact in the crushing area (guards); or
— limits the transmitted force (operation force) to a value lower than 150 N and allows removal of the obstacle either by reversing the movement of the bottom rail or by stopping it With the last solution, it shall be possible to lift up the bottom rail with a force less than 25 N
Guards designed to protect from the moving parts shall be fixed in such a way that they can only be dismounted with the use of a tool
9 Hygiene, health and environment
Materials in products shall not release any dangerous substances in excess of the maximum levels specified
in the European material standards and any national regulation For more information, consult the
The limitation of solar gains is one of the most important aspects of summer thermal comfort The solar gains
protection device
11.2 Determination