BS EN 1886-1998 Ventilation for buildings. Air handling units. Mechanical performance.pdf
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1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 1886:1998 The Europ
2、ean Standard EN 1886:1998 has the status of a British Standard ICS 91.140.30 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Ventilation for buildings Air handling units Mechanical performance This British Standard, having been prepared under the direction of the Engineering S
3、ector Board, was published under the authority of the Standards Board and comes into effect on 15 November 1998 BSI 1998 ISBN 0 580 29822 1 BS EN 1886:1998 Amendments issued since publication Amd. No.DateText affected National foreword This British Standard is the English language version of EN 1886
4、:1998. The UK participation in its preparation was entrusted to Technical Committee RHE/2, Air distribution and air diffusion, which has the responsibility to: aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for ch
5、ange, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international or
6、European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled International Standards Correspondence Index, or by using the Find facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the nece
7、ssary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pa
8、ges 2 to 13 and a back cover. CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national
9、Members. Ref. No. EN 1886:1998 E EUROPEAN STANDARDEN 1886 NORME EUROPE ENNE EUROPA ISCHE NORM May 1998 ICS 91.140.30 Descriptors: Buildings, ventilation, air conditioning, air filters, air handling units, classifications, mechanical strength, thermal transmittance, acoustic insulation, fire protecti
10、on, safety, tests English version Ventilation for buildings Air handling units Mechanical performance Ventilation des ba timents Caissons de traitement dair Performance me canique Lu ftung von Geba uden Zentrale raumlufftechnische Gera te Mechanische Eigenschaften und Meverfahren This European Stand
11、ard was approved by CEN on 26 March 1998. 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 su
12、ch national standards may be obtained on application to the Central Secretariat 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
13、 and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Swit
14、zerland and United Kingdom. Page 2 EN 1886:1998 BSI 1998 Figure 1 Air handling units Mechanical performance: position in the field of mechanical building services Foreword This European Standard has been prepared by Technical Committee CEN/TC 156, Ventilation for buildings, of which the secretariat
15、is held by BSI. The standard is a part of a series of standards for air handling units used for ventilation and air conditioning of buildings for human occupancy. It considers the mechanical performance of an air handling unit as a whole and will be supported by a standard for sections and component
16、s. The position of this standard in the whole field of standards for mechanical building services is illustrated in Figure 1. No existing European Standard is superseded. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorse
17、ment, at the latest by November 1998, and conflicting national standards shall be withdrawn at the latest by November 1998. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgi
18、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. ? Page 3 EN 1886:1998 BSI 1998 Contents Page Foreword2 Introduction4 1Scope4 2Normative references4 3Definitions4 4Mec
19、hanical strength of casing5 4.1 Requirements and classification5 4.2 Testing5 5Casing air leakage6 5.1 Requirements and classification6 5.2 Testing7 5.3 Test procedure7 5.4 Determination of allowable leakage rates7 6Filter bypass leakage7 6.1 Requirements7 6.2 Testing8 7Thermal performance of casing
20、10 7.1 General10 7.2 Requirements and classification10 7.3 Testing11 8Acoustic insulation of casing11 8.1 General11 8.2 Test requirements11 8.3 Test method11 8.4 Test procedure12 8.5 Evaluation of the sound insertion loss De12 9Fire protection12 9.1 General12 9.2 Classification12 9.3 Requirements12
21、10Mechanical safety13 ? Page 4 EN 1886:1998 BSI 1998 Introduction This standard specifies the mechanical performance of an air handling unit as a whole, to be utilized by all involved in ventilation and air conditioning manufacturing, design, installation and maintenance. The functions and character
22、istics of the individual sections of the unit will be considered in another of the series of standards covering air handling units. Because of the different requirements, due to climatic conditions, to building traditions in the different parts of Europe, and to the specific features of individual a
23、pplications, most of the requirements are given in the form of classes, which may be specified generally to be used in certain regions, or separately for individual applications. Only parts of the standard have been adopted from existing national or international standards. Comparison tests for stre
24、ngth, air leakage and thermal performance have been made in Finland, Germany, Netherlands, Switzerland and the United Kingdom. 1 Scope This standard specifies test methods, test requirements and classifications for air handling units which are supplying and/or exhausting air, via ductwork, for venti
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