Smoke and heat control systems
Part2:Naturalsmokeandheatexhaustventilators
National foreword
This British Standard is the UK implementation of EN 12101-2:2017.It supersedes BS EN 12101-2:2003 which is withdrawn.
The UK participation in its preparation was entrusted to Technical Committee FSH/25 Smoke heat control systems and ponents.
A list of organizations represented on this mittee can beobtained on request to its secretary.
This publication does not purport to include allthe necessary provisions of a contract. Users are responsible for its correctapplication.
Published by BSI Standards Limited 2017 The British Standards Institution 2017.
ISBN 978 0 580 86290 8
ICS 13.220.20; 23.120
Compliance with a British Standard cannot confer immunity fromlegal obligations.
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 April 2017.
Amendments/corrigenda issued since publication
Date
Text affected
Supersedes EN 12101-2:2003
English Version
Smokeand heatcontrol systems-Part 2:Naturalsmoke andheatexhaustventilators
Systemes pour le controle des fumees et de la chaleur - Partie 2 : Dispositifs d’evacuation naturelle de fumeeset de chaleur
Rauch- und Warmefreihaltung - Teil 2: Naturliche Rauch- und Warmeabzugsgerite
This European Standard was approved by CEN on 11 January 2015.
su ands pm suoma ea aa m pn ae sa European Standard the status of aational 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 CENmember.
q apeu enueao ue u uosan v (ueua qpua qsu) suosas ego a u ssx puepus ueadng stranslation under the responsibility of a CEN member into its own language and notifed 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 Republi Denmark Estonia Finland Fomer Yugoslav Republic of Macedonia France Gemany Greece Hungary Iland Ireland taly Latvia Lithuania Luxembourg Malta Netherlands Norway Poland Portugal Romania Serbia Slovakia Slovenia Spain Sweden Switzerland Turkey and United Kingdom.
CEN-CENELEC Management Centre: Avenue Marnix 17 B-10o0 Brussels
Contents
European foreword. 5Introduction. Scope.. .7 .62 1 Normative references.. .73 Terms definitions symbols and abbreviations. 73.1 Terms and definitions ...3.2 Symbols and abbreviations... 114 4.1 Requirements. Nominal activation conditions/sensitivity 13 134.1.1 Initiation device.. 134.1.2 4.1.3 Opening mechanism.. Inputs and output.. 14 144.2.1 4.2 Reliability... Response delay (response time) 14 144.2.2 Opening under (snow/wind) load 144.2.3 4.2.4 Low ambient temperature. Opening under heat. 15 154.3 Operational reliability.. 154.4 4.5 Performance parameters under fire conditions. Effectiveness of smoke/hot gas extraction (aerodynamic free area) 15 154.5.1 Resistance to heat. 154.5.2 4.5.3 Mechanical stability. Reaction to fire. 16 164.6 Performance under environmental conditions. 164.6.2 4.6.1 Low ambient temperature. Opening under load. 16 164.6.3 Stability under wind load. 164.6.5 4.6.4 Resistance to wind-induced vibration... Resistance to heat. 16 164.7 4.7.1 Durability Response delay (response time). 17 174.7.2 Operational reliability.... 174.7.3 Performance parameters under fire conditions. 175 Testing assessment and sampling methods. 176.1 6 Assessment and verification of constancy of performance - AVCP General. 19 196.2 Type Testing. 196.2.1 6.2.2 Test samples testing and pliance criteria General. 19 206.2.4 6.2.3 Test sequence.. Test reports. 21 226.2.5 Cascading determination of the product type results 22g9 6.3.1 Factory production control General. 23 23
6.3.3 6.3.2 Requirements. NSHEV specific requirements. .25 236.3.4 Initial inspection of factory and FPC. 266.3.5 6.3.6 Continuous surveillance of FPC. Procedure for modifications. 26 .276.3.7 Pre-production prototypes .277 Marking labelling and packaging ...28Annex A (normative) Classification A.1 Nominal activationcondition/sensitivity ...29 ..29A.2 Response delay.. ..29A.3 A.4 Effectiveness of smoke/hot gas extraction (aerodynamic free area). Operational Reliability .29 .29A.5 Performance parameters under fire conditions. ..29A.6 A.7 Durability. Performance under environmental conditions. ...30 31A.7.1 Response delay (response time). ..31A.7.2 A.7.3 Operational reliability Performance parameters under fire conditions ..31 ...31Annex B (normative) Effectiveness of smoke/hot gas extraction (aerodynamic free area) ..32B.2 B.1 Simple assessment procedure.. Determination of the aerodynamic free area. 32 32B.2.1 General. .32B.2.2 B.2.3 Roofmounted NSHEV Wall mounted NSHEV 32 .32B.3 Experimental procedure.. 33B.3.1 B.3.2 Test apparatus General .33 .33B.3.3 Test specimen. .34B.3.4 B.3.5 Test procedure Evaluation of test results. .36 .35B.3.6 B.4 Calculation of the coefficient of discharge fora family of NSHEV Test to check the aerodynamic test installations.B.4.1 General 38 38B.4.2 B.4.3 Reference test without side wind. Reference tests with side wind.. ..39 ..39B.4.4 Evaluation of test results. ..Annex C (normative) Test method for operational reliability and response time. ..54C.2 C.1 Objective of test. Test conditions. ...54 54C.3 Test apparatus.. 54C.5 C.4 Test specimen. Test procedure. 54 54Annex D (normative) Test method for opening under load. 56D.1 D.2 Objective of test. Test conditions. 56D.3 Test apparatus.. 56 56D.4 D.5 Test specimen. Test procedure. ..57Annex E (normative) Test method for low ambient temperature.. ...58 ..57E.1 Objective of test.. 58
