SIST EN 16475-2:2017

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Dimovodne naprave - Oprema - 2. del: Ventilatorji za dimovodne naprave - Zahteve in preskusne metodeAbgasanlagen - Zubehörteile - Teil 2: Abgasventilatoren - Anforderungen und PrüfmethodenConduits de fumée - Accessoires - Partie 2: Ventilateurs d'extraction - Exigences et méthodes d'essaiChimneys - Accessories - Part 2: Chimney fans - Requirements and test methods91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:Ta slovenski standard je istoveten z:EN 16475-2:2017SIST EN 16475-2:2017en,fr,de01-maj-2017SIST EN 16475-2:2017SLOVENSKI
STANDARD



SIST EN 16475-2:2017



EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 16475-2
March
t r s y ICS
{ sä r x rä v r English Version
Chimneys æ Accessories æ Part
tã Chimney fans æ Requirements and test methods Conduits de fumée æ Accessoires æ Partie
tã Ventilateurs pour conduit de fumée æ Exigences et méthodes d 5essai Abgasanlagen æ Zubehörteile æ Teil
tã Abgasventilatoren æ Anforderungen und PrüfverfahrenThis European Standard was approved by CEN on
t z November
t r s xä
egulations which stipulate the conditions for giving this European Standard the status of a national standard without any alterationä Upætoædate lists and bibliographical references concerning such national standards may be obtained on application to the CENæCENELEC Management Centre or to any CEN memberä
translation under the responsibility of a CEN member into its own language and notified to the CENæCENELEC Management Centre has the same status as the official versionsä
CEN members are the national standards bodies of Austriaá Belgiumá Bulgariaá Croatiaá Cyprusá Czech Republicá Denmarká Estoniaá Finlandá Former Yugoslav Republic of Macedoniaá Franceá Germanyá Greeceá Hungaryá Icelandá Irelandá Italyá Latviaá Lithuaniaá Luxembourgá Maltaá Netherlandsá Norwayá Polandá Portugalá Romaniaá Serbiaá Slovakiaá Sloveniaá Spainá Swedená Switzerlandá Turkey and United Kingdomä
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre:
Avenue Marnix 17,
B-1000 Brussels
9
t r s y CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Membersä Refä Noä EN
s x v y wæ tã t r s y ESIST EN 16475-2:2017



EN 16475-2:2017 (E) 2 Contents Page European foreword . 4 Introduction . 5 1 Scope . 6 2 Normative references . 6 3 Terms and definitions . 6 4 Product characteristics . 7 4.1 General . 7 4.2 Dimensions and tolerances . 8 4.3 Mechanical resistance and stability . 8 4.3.1 General . 8 4.3.2 Wind load . 8 4.3.3 Resistance to freeze–thaw . 8 4.4 Thermal performance . 8 4.4.1 Reaction to fire . 8 4.4.2 Fire resistance — Exhaust fan . 8 4.4.3 Declaration of temperature class . 9 4.4.4 Heat stress resistance . 10 4.4.5 Sootfire resistance . 10 4.5 Hygiene, health and the environment . 10 4.5.1 Gas tightness . 10 4.5.2 Condensate resistance . 11 4.5.3 Durability against corrosion . 11 4.5.4 Dangerous substances . 11 4.6 Additional criteria for chimney operation. 12 4.6.1 Flow characteristic . 12 4.6.2 Resistance to ice formation . 12 4.6.3 Cleaning and maintenance . 12 4.6.4 Maintenance of the fan . 12 4.7 Safety . 12 4.7.1 Mechanical safety . 12 4.7.2 Electrical safety . 12 5 Testing, assessment and sampling methods . 13 5.1 Mechanical resistance and stability . 13 5.1.1 General . 13 5.1.2 Wind load test . 13 5.2 Thermal performance . 14 5.2.1 General . 14 5.2.2 Test assembly for heat stress and thermal shock tests . 14 5.2.3 Test structures . 17 5.2.4 Measuring parameters . 17 5.2.5 Test procedure for heat stress test . 19 5.2.6 Test procedure for sootfire resistance test . 20 5.3 Hygiene, health and the environment . 21 5.3.1 Gas tightness test . 21 5.3.2 Flow resistance after thermal tests . 22 SIST EN 16475-2:2017



EN 16475-2:2017 (E) 3 5.3.3 Flow characteristic, capacity . 24 5.3.4 Test method for icing behaviour for exhaust fans . 25 6 Assessment and verification of constancy of performance - AVCP . 27 6.1 General . 27 6.2 Type testing . 28 6.2.1 General . 28 6.2.2 Test samples, testing and compliance criteria . 28 6.2.3 Choice of size for type test and sampling . 29 6.2.4 Test reports . 30 6.2.5 Shared other party results . 30 6.3 Factory production control (FPC) . 30 6.3.1 General . 30 6.3.2 Requirements . 31 6.3.3 Product specific requirements . 33 6.3.4 Initial inspection of factory and of FPC . 34 6.3.5 Continuous surveillance of FPC . 34 6.3.6 Procedure for modifications . 35 7 Designation . 35 7.1 General . 35 7.2 Exhaust fans . 35 7.3 Inline fans . 35 8 Marking, labelling and packaging . 36 8.1 Marking chimney components . 36 8.2 Chimney fan plate . 36 8.3 Manufacturer's instructions . 36 8.3.1 General . 36 8.3.2 Minimum information to be included in the manufacturer's instructions . 37 8.3.3 Product data . 37 Annex A (informative)
Example of sound chart showing sound levels to surroundings . 38 A.1 Sound levels to external surroundings . 38 Annex B (informative)
Data for calculation programs . 39 Annex C (normative)
Methods for combustible wood surface temperature measurements . 40 Annex D (normative)
Methods for exhaust fan surface temperature measurements . 41 Annex E (normative)
Ambient temperature . 42 Annex ZA (informative)
Relationship of this European Standard with Regulation (EU) No.305/2011 . 43 ZA.1 Scope and relevant characteristics . 43 ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) . 45 ZA.3 Assignment of AVCP tasks . 45 Bibliography . 48
SIST EN 16475-2:2017



EN 16475-2:2017 (E) 4 European foreword This document (EN 16475-2:2017) has been prepared by Technical Committee CEN/TC 166 “Chimneys”, the secretariat of which is held by ASI. 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 September 2017, and conflicting national standards shall be withdrawn at the latest by December 2018. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN shall not be held responsible for identifying any or all such patent rights. This document 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 Directives. For relationship with EU Regulation, see informative Annex ZA, which is an integral part of this document. EN 16475-2 is one part of the series EN 16475, Chimneys — Accessories, which currently consists of: — Part 2: Chimney fans — Requirements and test methods [the present document]; — Part 3: Draught regulators, standstill opening devices and combined secondary air devices — Requirements and test methods; — Part 6: Access components — Requirements and test methods [currently at Enquiry stage]; — Part 7: Rain caps — Requirements and test methods. This document defines the requirements related to CEN/TC 166 standards. Requirements related to other EU Directives are also applicable. 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, 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. SIST EN 16475-2:2017



EN 16475-2:2017 (E) 5 Introduction In November 2009 CEN/TC 166 assigned TG 2 of CEN/TC 166/WG 1 the task to develop this standard for chimney accessories and issued a preliminary work item. SIST EN 16475-2:2017



EN 16475-2:2017 (E) 6 1 Scope This European Standard covers electrically operated metal fans for chimneys that are able to create a stable positive or negative pressure for the chimney. This European Standard covers fans installed inline in the connecting flue pipe (inline fans) or mounted on the chimney outlet (exhaust fans). This standard excludes chimney cowls (Terminals with aerodynamic characteristics). 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1443:2003, Chimneys — General requirements EN 1856-1:2009, Chimneys — Requirements for metal chimneys — Part 1: System chimney products EN 1856-2:2009, Chimneys — Requirements for metal chimneys — Part 2: Metal flue liners and connecting flue pipes EN 10088-1, Stainless steels — Part 1: List of stainless steels EN 10346, Continuously hot-dip coated steel flat products for cold forming — Technical delivery conditions EN 13216-1:2004, Chimneys — Test methods for system chimneys — Part 1: General test methods EN 14297, Chimneys — Freeze-thaw resistance test method for chimney products EN 15287-1:2007+A1:2010, Chimneys — Design, installation and commissioning of chimneys — Part 1: Chimneys for non-roomsealed heating appliances EN 60335-1, Household and similar electrical appliances — Safety — Part 1: General requirements (IEC 60335-1) EN 60335-2-80, Household and similar electrical appliances — Safety — Part 2-80: Particular requirements for fans (IEC 60335-2-80) EN ISO 3744, Acoustics — Determination of sound power levels and sound energy levels of noise sources using sound pressure — Engineering methods for an essentially free field over a reflecting plane (ISO 3744) EN ISO 5136, Acoustics — Determination of sound power radiated into a duct by fans and other air-moving devices — In-duct method (ISO 5136) EN ISO 5801, Industrial fans — Performance testing using standardized airways (ISO 5801) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 1443 and the following apply. SIST EN 16475-2:2017



EN 16475-2:2017 (E) 7 3.1 inline fan fan positioned in the connecting flue pipe 3.2 exhaust fan fan positioned on the outlet of the chimney 3.3 chimney fan exhaust fan or inline fan 3.4 soot fire safe accessories As accessory that may not perform its intended function during and after a sootfire but does not prevent the safe operation or change the designation “G” of the chimney or connecting flue pipe Note 1 to entry: “As” can only be used for accessories and not for chimneys, flue liners and connecting flue pipes. Note 2 to entry: Measures to be taken after the event of a sootfire will be found in the relevant product standard. 4 Product characteristics 4.1 General Recommended minimum material specifications for components of chimney fans in contact with combustion products are the following: a) stainless steel quality of 1.4301 in accordance with EN 10088-1 with a wall thickness of at least 0,7 mm; b) stainless steel quality of 1.4401 in accordance with EN 10088-1 with a wall thickness of at least 0,7 mm; c) aluminium with a wall thickness of at least 1,5 mm for EN AW-4047A; d) aluminium with a wall thickness of at least 1,5 mm for EN AW-6060 and of 1,0 mm for EN AW-1200A; e) cast aluminium (EN AB 46200, EN AB 46100) with a wall thickness of at least 2,5 mm; f) for galvanized products with a steel quality of 1.0306 in accordance with EN 10346 with a wall thickness of at least 0,7 mm. Recommended minimum material specifications for impeller blades are the following: g) stainless steel quality of 1.4401 in accordance with EN 10088-1 with a wall thickness of at least 0,7 mm. The exhaust fan or the inline fan shall fulfil the following requirements, if appropriate. SIST EN 16475-2:2017



EN 16475-2:2017 (E) 8 4.2 Dimensions and tolerances The manufacturer is free to choose dimensions and tolerances of the chimney fan. 4.3 Mechanical resistance and stability 4.3.1 General The chimney fan impeller shall be able to move freely before and after the thermal tests except for a product designated As after a soot fire test. 4.3.2 Wind load 4.3.2.1 General When tested in accordance with 5.1.2, the product shall remain mechanically stable and safe. This test shall be performed only for the types that have performed the thermal tests. 4.3.2.2 Exhaust fans subject to wind load When the fan is tested in accordance with 5.1.2, it shall be able to withstand a horizontal and vertical load of 1,5 KN/m2. 4.3.2.3 Fan support a) Exhaust fan In the design of the fixing of the fan, the risk of deflagration should be taken care of. b) Inline fans The design of the fixing of the inline fan, the risk of deflagration and static load should be taken care of. The fan shall support itself. 4.3.3 Resistance to freeze–thaw Metal fans are considered to meet the requirement of EN 14297. 4.4 Thermal performance 4.4.1 Reaction to fire As the fire reaction is not relevant for chimney fans, no declaration is necessary. 4.4.2 Fire resistance — Exhaust fan The distance to combustible material for exhaust fans (as shown in Figure 3) shall be one of the following: a) O(xx) M stands for “Measured value” as determined by 5.2.5. When related to an ambient temperature of 20 °C, the maximum surface temperature of combustible materials adjacent to the test fan shall not exceed 85 °C at the distance declared (see EN 15287-1:2007+A1:2010, 4.3.2 and EN 1856-2:2009, 6.6.2); b) As(xx) M, G (xx) M stands for “Measured value” as determined by 5.2.5 and 5.2.6. When related to an ambient temperature of 20 °C, the maximum surface temperature of combustible materials adjacent to the test fan shall not exceed 85 °C during the heat stress test and shall not exceed 100 °C during the sootfire resistance test, both at the distance declared (see EN 15287-1:2007+A1:2010, 4.3.2 and EN 1856-2:2009, 6.6.2); SIST EN 16475-2:2017



EN 16475-2:2017 (E) 9 c) O (NM), As (NM), G (NM) stands for “Not Measured value” as determined by EN 1856-2:2009, 7.2.1. The spigot dimension of the fan is used in the formula. The requirements are met, if the distance to combustible material is calculated in accordance with EN 15287-1:2007+A1:2010, 4.3.9.3, or EN 1856-2:2009, 6.2.2. NOTE The designation string of the exhaust fan does not include (NM) and (M). 4.4.3 Declaration of temperature class 4.4.3.1 General The temperature class of the exhaust fan is declared by the manufacturer as specified in Table 1, and shall be verified in accordance with the tests described in 5.2.5 and 5.2.6. Table 1 — Temperature levels and test temperature Temperature level Nominal working temperature (T) Test temperature
°C °C T 080
¶
80 100 T 100
¶ 100 120 T 120
¶ 120 150 T 140
¶ 140 170 T 160
¶ 160 190 - - - T 200
¶ 200 250 T 250
¶ 250 300 T 300
¶ 300 350 - - - T 400
¶ 400 500 T 450
¶ 450 550 T 600
¶ 600 700 4.4.3.2 Inline fan 4.4.3.2.1 General The distance to combustible material (as shown in Figure 2) for inline fans shall be: a) O(xx) M stands for “Measured value” as determined by 5.2.5. When related to an ambient temperature of 20 °C, the maximum surface temperature of combustible materials adjacent to the test fan shall not exceed 85 °C at the distance declared (see EN 15287-1:2007+A1:2010, 4.3.2 and EN 1856-2:2009, 6.6.2); b)
As(xx) M, G (xx) M stands for “Measured value” as determined by 5.2.5 and 5.2.6. When related to an ambient temperature of 20 °C, the maximum surface temperature of combustible materials SIST EN 16475-2:2017



EN 16475-2:2017 (E) 10 adjacent to the test fan shall not exceed 85 °C during the heat stress test and shall not exceed 100 °C during the sootire resistance test, both at the distance declared (see EN 15287-1:2007+A1:2010, 4.3.2 and EN 1856-2:2009, 6.6.2); c) O (NM), As (NM), G (NM) stands for “Not Measured value” as determined by EN 1856-2:2009, 7.2.1. The spigot dimension of the fan is used in the formula. The requirements are met, if the distance to combustible material is calculated in accordance with EN 15287-1:2007+A1:2010, 4.3.9.3, or EN 1856-2:2009, 6.2.2. 4.4.3.2.2 Declaration of temperature class The temperature class of the inline fan is declared by the manufacturer as specified in Table 1, and shall be verified in accordance with the tests 5.2.5 and 5.2.6. 4.4.4 Heat stress resistance A chimney fan shall be tested in accordance with 5.2.5. After performing the heat stress test, the criteria to pass the test are: a) Flow resistance: When tested in accordance with 5.3.2, the flow resistance shall not be higher than declared by the manufacturer. b) Capacity: When tested in accordance with 5.3.3, the product is not allowed to lose its ability to create mechanical draught during the test. The manufacturer shall provide a formula for the capacity chart (for an example, see 5.3.3). c) Gas tightness: Only inline fans shall declare a pressure type and pass a gas tightness test in accordance with 5.3.1. 4.4.5 Sootfire resistance When a chimney fan is designated as sootfire resistant G or sootfire safe As, it shall be tested in accordance with 5.2.6. After performing the sootfire resistance test, the criteria to pass the test are: a) Flow resistance: After tested in accordance with 5.3.2, the flow resistance shall be declared. For fans with class G or As a deviation of 25 % is allowed on the coefficient of flow resistance values before and after the heatshock test. b) Capacity: When tested in accordance with 5.3.3, the product shall not lose its ability to create mechanical draught during the test if it shall fullfil the requirements for a G designation. The As criteria is also fulfilled, if the fan loses its ability to create mechanical draught. c) Gas tightness: Only for inline fans a pressure type shall be declared and a gas tightness test in accordance with 5.3.1 shall be performed. 4.5 Hygiene, health and the environment 4.5.1 Gas tightness The gas tightness shall be tested in accordance with 5.3.1. The leakage rate shall not be greater than those specified in Table 2. Table 2 is a modified version of EN 1443, Table 5. The test rig is the same as in Figure 6. The test is done in accordance with EN 1856-2:2009, A.2. SIST EN 16475-2:2017



EN 16475-2:2017 (E) 11 Table 2 — Leakage rates Pressure type Test pressure Leakage rate/Flue surface area
Pa 12lsm−−⋅⋅ N1 40 < 2,0 P1 200 < 0, 006 P2 200 < 0, 120 H1 200 and 5 000 < 0, 006 H2 200 and 5 000 < 0, 120 4.5.2 Condensate resistance Condensate resistance is only applicable for inline fans. If an inline fan is designated for wet operation (W) in accordance with EN 1443, the inline fan which was exposed to thermal test in 5.2.6, shall be tested in accordance with EN 13216-1:2004, 5.5. During the test period of 4 h there shall be no signs of coloured water outside the inline fan. 4.5.3 Durability against corrosion 4.5.3.1 General The corrosion classes shall be declared in accordance with EN 1443:2003, Table 2. The designation of the corrosion class shall be declared either on the basis of the results of the test method described in EN 1856-1 or shall be declared in accordance with 4.5.3.2 or 4.5.3.3. 4.5.3.2 Dry application Chimney fans of a material as described in 4.1 a), d) or e) are considered to be designated 2 or if the impeller blade is of a material described in 4.1 g) are considered to be designated 3. Chimney fans of a material as described in 4.1 b) are considered to be designated 3. Chimney fans of a material as described in 4.1 c) and f) are considered to be designated 1. 4.5.3.3 Wet application Chimney fans of a material as described in 4.1 b) are considered to be designated 2. Chimney fans of a material as described in 4.1 c) or e) are considered to be designated 1. 4.5.4 Dangerous substances National regulations on dangerous substances may require verification and declaration on release, and sometimes content, when construction products covered by this standard are placed
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