Ventilation for buildings - Fire precautions for air distribution systems in buildings

This document gives guidance for system designers, installers, commissioners and maintenance teams on the incorporation of protective measures for air distribution systems including dual purpose systems for smoke and heat exhaust systems within buildings, to prevent the initiation and the spread of fire, smoke and other by-products of combustion.
This document intends to only support any national (building) regulations, which are the basis of any design of a building or parts of it. It is up to the designer to enquire about the suitability (in particular in legal terms) of a specific solution given in this document (e.g. although "dual purpose systems" are covered in this document, they may not be permitted in some Member States or only in certain types of buildings).
This document applies to all air distribution systems including dual purpose systems (except systems only dedicated to smoke exhaust systems, which are dealt in other European standards) including technical rooms or spaces for the installation of devices to assist in ventilation of a building (e.g. distance of storage of combustible materials to devices and not the fire resistance of the building structure), penetrations, and following components/products used in the system like:
-   inlet/outlet louvres;
-   fans not exposed / exposed to the smoke;
-   air control dampers;
-   ducts;
-   fire control dampers;
-   air terminal devices;
-   anchors and supports;
-   duct fittings;
-   control panels;
-   cables and connections;
-   air handling units;
-   air filters;
-   sound attenuators;
-   heat exchangers.

Lüftung von Gebäuden - Brandschutz von Lüftungsanlagen in Gebäuden

Dieses Dokument bietet den Anlagenplanern, Anlagenbauern, Inbetriebnehmern und den Instandhaltungs¬teams eine Anleitung zur Anwendung von Schutzmaßnahmen bei Lüftungsanlagen, einschließlich Anlagen mit doppeltem Verwendungszweck Lüften und Entrauchung in Gebäuden, um die Entstehung und Ausbreitung von Bränden, Rauch und sonstigen Nebenprodukten der Verbrennung zu vermeiden.
Dieses Dokument sieht nur die Unterstützung von nationalen (Bau-)Vorschriften vor, die die Grundlage jeglicher konstruktiver Ausführungen eines Gebäudes oder seiner Teile bilden. Es liegt in der Hand des Anlagenplaners, sich nach der Eignung (besonders der rechtlichen Bedingungen) einer spezifischen Lösung, die in diesem Dokument angegeben ist, zu erkundigen (z. B. obwohl "Anlagen mit doppeltem Verwendungszweck" in diesem Dokument behandelt werden, können diese in manchen Mitgliedsstaaten nicht gestattet sein oder nur in bestimmten Gebäudearten).
Dieses Dokument gilt für alle Lüftungsanlagen einschließlich Anlagen mit doppeltem Verwendungszweck (außer für Anlagen, die nur der Rauchfreihaltung dienen, die in anderen Europäischen Normen behandelt werden), einschließlich Lüftungszentralen oder Räumen für den Einbau von Einrichtungen zur Unterstützung der Lüftung eines Gebäudes (z. B. Abstand zwischen der Lagerung brennbarer Materialien und Lüftungsanlagen, nicht jedoch  die Feuerbeständigkeit einer Gebäudestruktur), Durchführungen, sowie für die folgenden in den Anlagen verwendeten Bauteile/Produkte:
- Wetterschutzgitter;
- dem Rauch nicht ausgesetzte/ausgesetzte Ventilatoren;
- Luftregelklappen;
- Luftleitungen;
- Brandschutzklappen;
- Luftdurchlässe;
- Verankerungen und Auflager;
- Luftleitungsformstücke;
- Regeleinrichtung;
- Kabel und Anschlüsse;
- zentrale raumlufttechnische Geräte (im Weiteren Lüftungsgeräte);
- Luftfilter;
- Schalldämpfer;
- Wärmeübertrager.

Systèmes de ventilation des bâtiments - Précaution contre l'incendie pour les systèmes de distribution d'air dans les bâtiments

Le présent document donne des recommandations aux concepteurs de systèmes, installateurs, réceptionneurs et équipes d'entretien concernant la mise en application de mesures de prévention pour les systèmes de distribution d'air dans les bâtiments y compris les systèmes mixtes de ventilation et d’extraction de fumées et de la chaleur, afin d'empêcher le déclenchement et la propagation d'un incendie, de fumées et autres produits de combustion.
Le présent document est destiné à venir en appui des règlementations nationales (du bâtiment), lesquelles sont à la base de toute conception d’un bâtiment, tout ou partie. Il appartient au concepteur de s’informer sur la recevabilité (notamment en termes légaux) d’une solution spécifique donnée dans le présent document (par exemple, bien que les « systèmes mixtes » soient couverts par ce document, ils peuvent ne pas être autorisés dans certains Etats Membres ou seulement dans certains types de bâtiments).
Le présent document s'applique à tous les systèmes de distribution d’air y compris les systèmes mixtes (à l'exception des systèmes uniquement dédiés à l'extraction des fumées qui sont traités dans d’autres normes européennes), y compris les locaux techniques ou les lieux dédiés à l’installation des dispositifs d’aide à la ventilation du bâtiment (par exemple, distance de stockage entre les matériaux combustibles et les dispositifs et non pas la résistance au feu de la structure du bâtiment), traversées, ainsi que les éléments/produits suivants utilisés dans le système :
   grilles extérieures d’entrée/sortie d'air ;
   ventilateurs non exposés/exposés à la fumée ;
   clapets de régulation d'air ;
   conduits ;
   clapets résistants au feu ;
   bouches d’air ;
   ancrages et supports ;
   accessoires de conduits ;
   panneaux de commande ;
   câbles et raccordements ;
   caissons de traitement d'air ;
   filtres à air ;
   atténuateurs de bruit ;
échangeurs thermiques.

Prezračevanje stavb - Protipožarni varnostni ukrep za zračne razdelilne sisteme v stavbah

General Information

Status
Published
Publication Date
06-May-2008
Current Stage
9093 - Decision to confirm - Review Enquiry
Due Date
04-Jun-2018
Completion Date
13-Jun-2018

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SLOVENSKI STANDARD
SIST EN 15423:2008
01-september-2008

3UH]UDþHYDQMHVWDYE3URWLSRåDUQLYDUQRVWQLXNUHS]D]UDþQHUD]GHOLOQHVLVWHPHY

VWDYEDK

Ventilation for buildings - Fire precautions for air distribution systems in buildings

Lüftung von Gebäuden - Brandschutz von Lüftungsanlagen in Gebäuden
Systemes de ventilation des bâtiments - Sécurité incendie pour les systemes de
distribution d'air dans les bâtiments
Ta slovenski standard je istoveten z: EN 15423:2008
ICS:
13.220.20 3RåDUQD]DãþLWD Fire protection
91.140.30 3UH]UDþHYDOQLLQNOLPDWVNL Ventilation and air-
VLVWHPL conditioning
SIST EN 15423:2008 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 15423:2008
---------------------- Page: 2 ----------------------
SIST EN 15423:2008
EUROPEAN STANDARD
EN 15423
NORME EUROPÉENNE
EUROPÄISCHE NORM
May 2008
ICS 13.220.50; 91.140.30
English Version
Ventilation for buildings - Fire precautions for air distribution
systems in buildings

Systèmes de ventilation des bâtiments - Sécurité incendie Lüftung von Gebäuden - Brandschutz von Lüftungsanlagen

pour les systèmes de distribution d'air dans les bâtiments in Gebäuden
This European Standard was approved by CEN on 11 March 2008.

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 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 Management Centre has the same status as the

official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Cyprus, Czech Republic, Denmark, Estonia, Finland,

France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,

Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36 B-1050 Brussels

© 2008 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15423:2008: E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN 15423:2008
EN 15423:2008 (E)
Contents

Foreword......................................................................................................................................................................3

1 Scope ..............................................................................................................................................................4

2 Normative references ....................................................................................................................................5

3 Terms and definitions ...................................................................................................................................6

4 Air distribution system..................................................................................................................................7

4.1 General requirements....................................................................................................................................7

4.2 Design of air distribution systems...............................................................................................................7

4.3 Installation ......................................................................................................................................................7

5 Requirements for components intended for fire precautions ..................................................................7

5.1 General............................................................................................................................................................7

5.2 Inlet/outlet louvres.........................................................................................................................................8

5.3 Fans.................................................................................................................................................................8

5.4 Air control dampers.....................................................................................................................................10

5.5 Duct ...............................................................................................................................................................11

5.6 Fire dampers and smoke control dampers ...............................................................................................11

5.7 Air terminal devices.....................................................................................................................................12

5.8 Anchors and supports ................................................................................................................................13

5.9 Duct fittings..................................................................................................................................................13

5.10 Control panels..............................................................................................................................................13

5.11 Cables and connections .............................................................................................................................14

5.12 Air handling units ........................................................................................................................................14

5.13 Air filters .......................................................................................................................................................15

5.14 Sound attenuators .......................................................................................................................................16

5.15 Heat exchangers ..........................................................................................................................................16

6 Commissioning and maintenance of air distribution systems ...............................................................16

7 Marking, labelling and product information..............................................................................................17

Annex A (informative) Checklist for components ................................................................................................18

Annex B (informative) Table of components/characteristics European Standards .........................................20

Annex C (informative) Maintenance for fire dampers and smoke control dampers.........................................22

Bibliography ..............................................................................................................................................................24

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SIST EN 15423:2008
EN 15423:2008 (E)
Foreword

This document (EN 15423:2008) has been prepared by Technical Committee CEN/TC 156 “Ventilation for

buildings”, the secretariat of which is held by BSI.

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 November 2008, and conflicting national standards shall be withdrawn

at the latest by November 2008.

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.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,

Sweden, Switzerland and the United Kingdom.
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SIST EN 15423:2008
EN 15423:2008 (E)
1 Scope

This document gives guidance for system designers, installers, commissioners and maintenance teams on the

incorporation of protective measures for air distribution systems including dual purpose systems for smoke

and heat exhaust systems within buildings, to prevent the initiation and the spread of fire, smoke and other by-

products of combustion.

This document intends to only support any national (building) regulations, which are the basis of any design of

a building or parts of it. It is up to the designer to enquire about the suitability (in particular in legal terms) of a

specific solution given in this document (e.g. although “dual purpose systems” are covered in this document,

they may not be permitted in some Member States or only in certain types of buildings).

This document applies to all air distribution systems including dual purpose systems (except systems only

dedicated to smoke exhaust systems, which are dealt in other European standards) including technical rooms

or spaces for the installation of devices to assist in ventilation of a building (e.g. distance of storage of

combustible materials to devices and not the fire resistance of the building structure), penetrations, and

following components/products used in the system like:
 inlet/outlet louvres;
 fans not exposed / exposed to the smoke;
 air control dampers;
 ducts;
 fire control dampers;
 air terminal devices;
 anchors and supports;
 duct fittings;
 control panels;
 cables and connections;
 air handling units;
 air filters;
 sound attenuators;
 heat exchangers.
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SIST EN 15423:2008
EN 15423:2008 (E)
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 1364-2, Fire resistance test for non loadbearing elements - Part 2: Ceilings
EN 1366-1, Fire resistance tests for service installations - Part 1: Ducts

EN 1366-2, Fire resistance tests for service installations - Part 2: Fire dampers

EN 1366-8, Fire resistance tests for service installations - Part 8: Smoke extraction ducts

EN 1366-9, Fire resistance tests for service installations - Part 9: Single compartment smoke extraction ducts

prEN 1366-10, Fire resistance tests for service installations - Part 10: Smoke control dampers

EN 1505, Ventilation for buildings - Sheet metal air ducts and fittings with rectangular cross section -

Dimensions

EN 1506, Ventilation for buildings - Sheet metal air ducts and fittings with circular cross section - Dimensions

EN 1507, Ventilation for buildings - Sheet metal air ducts with rectangular section - Requirements for strength

and leakage

EN 12101-3, Smoke and heat control systems - Part 3: Specification for powered smoke and heat exhaust

ventilators

prEN 12101-8, Smoke and heat control systems - Part 8: Specification for smoke control dampers

prEN 12101-9, Smoke and heat control systems - Part 9: Control panels

EN 12097, Ventilation for buildings - Ductwork - Requirements for ductwork components to facilitate

maintenance of ductwork systems

EN 12792:2003, Ventilation for buildings - Symbols, terminology and graphical symbols

EN 13053, Ventilation for buildings - Air handling units - Rating and performance for units, components and

sections

EN 13403, Ventilation for buildings - Non-metallic ducts - Ductwork made from insulation ductboards

EN 13501-1, Fire classification of construction products and building elements - Part 1: Classification using

data from reaction to fire tests

EN 13501-3, Fire classification of construction products and building elements - Part 3: Classification using

data from fire resistance tests on products and elements used in building service installations: fire resisting

ducts and fire dampers

EN 13501-4, Fire classification of construction products and building elements - Part 4: Classification using

data from fire resistance tests on components of smoke control systems
EN 13964, Suspended ceilings - Requirements and tests methods

EN 1886:2007 Ventilation for buildings - Air handling units - Mechanical performance

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SIST EN 15423:2008
EN 15423:2008 (E)

EN 13779, Ventilation for non-residential buildings - Performance requirements for ventilation and room-

conditioning systems

EN 12237, Ventilation for buildings - Ductworks - Strength and leakage of circular sheet metal ducts

3 Terms and definitions

For the purposes of this European Standard, the terms and definitions given in EN 12792:2003, together with

the following apply.
3.1
shaft

space generally encased with building elements, where ventilation ducts and possibly other pipes and cables

are located
3.2
support
device for a system component, e.g. fire damper, silencer, etc. to bear a load
3.3
inlet/outlet louvre

device, consisting of an assembly of parallel sloping vanes, intended to permit the passage of air, while

providing a measure of protection against environmental influences
[EN 12792:2003, Table 1, number 242]
3.4
air control damper

element inserted into an air distribution system or element of an air distribution system permitting modification

of the air resistance of the system, and consequently changing the air flow rate (dampers), or shutting off the

air flow completely (valves), or controlling the air flow rate and in addition providing shut-off of the air flow

(control valves)
[EN 12792:2003, Table 1, number 95]
3.5
fire damper
mobile closure within a duct, which is designed to prevent the passage of fire
[EN 1366-2]
3.6
smoke control damper

device automatically or manually activated which may be open or closed in its operational position, to control

the flow of smoke and hot gases into, from or within a duct
[prEN 1366-10]
3.8
air terminal devices

component of a ventilation installation which is designed with the purpose of achieving the predetermined

movement of air into or from a treated space
[EN 12792:2003, Table 1, number 31]
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SIST EN 15423:2008
EN 15423:2008 (E)
3.9
air transfer devices

air terminal device designed to allow the transfer of air from one space/room to another space/room

[EN 12792:2003, Table 1, number 36]
3.10
local requirement
legal requirement to comply with, from a regulation implemented in a country

NOTE Local requirement could deal with characteristics of products, installation, commissioning, maintenance…

Most of the time, these requirements come from Fire Safety Regulations.
3.11
control equipment

any initiating device for a smoke and heat control system component e.g. control panel, basic control panel,

mechanical control panel
3.12
control panel
multi-operation initiating device for a smoke and heat control system
4 Air distribution system
4.1 General requirements

Components in the air distribution system shall be made or installed in such a way that they will not increase

the hazard of spreading fire and smoke gases in the case of fire. The materials used in buildings, air

distribution systems and their components shall not contribute to the development of fire in accordance with

any local requirement.

If there are local requirements on the reaction to fire of materials and/or resistance to fire, they shall be

observed.
4.2 Design of air distribution systems

Air distribution systems shall be turned off in case of fire, unless local requirements allow for other procedures.

4.3 Installation
Use the manufacturer's instructions for all components.

The sealings through fire resistance enclosures (e.g. ceiling or walls), shall be in accordance with local

requirements.
5 Requirements for components intended for fire precautions
5.1 General

The performance, which will be achieved by the product in end-use conditions, shall reflect the results of

product fire resistance, fire reaction and smoke control testing, when required, and in accordance with the

local regulations, if any. A product shall be tested as a complete assembly with all necessary components

which affect fire resistance performance as described in the product standard.
Optional accessories can be available for a product.
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SIST EN 15423:2008
EN 15423:2008 (E)
Two types of accessories can be provided:
 fire tested accessory,

 non fire tested accessory; these need to be studied and calculated inside the complete design of the

complete ventilation system.

When accessories, modifications, coatings etc. affect fire resistance performance, the product shall be tested

both with and without these (for example: with and without painting) and conform to relevant standards.

NOTE When accessories do not affect fire resistance performance, they can be supplied and fitted on site.

Annex B presents relevant standards for each component and their characteristics.

5.2 Inlet/outlet louvres
5.2.1 Component

If the louvres are on the external wall of the building no special requirement is needed.

5.2.2 Installation
Location of inlet and outlet louvres shall be in accordance with EN 13779.
5.2.3 Commissioning

Conformity with the installation design shall be checked, in particular the minimum distance, defined according

to 5.2.2, between the inlet and outlet louvres.
5.2.4 Maintenance – Routine

A visual check of the louvres shall be performed during ductwork maintenance operations. The air intake or

discharge cross-section shall be free from foreign items such as rubbish, birds or insects etc.

5.3 Fans
5.3.1 Fans for ventilation only
5.3.1.1 Component

As a fire precaution the fan electric motor shall be equipped with internal or external thermal overload

protection. Depending on the application, it may be used to switch off the motor or to warn of a thermal

overload.

If necessary fans should be protected, and when they are not connected to a duct they should be protected

with metal screens, grids or similar to prevent the entrance of paper, rubbish, and similar foreign material.

For fans in air handling units, see also 5.12.
5.3.1.2 Installation

Fans shall be located, arranged and installed to afford access for commissioning and maintenance.

Fans shall be installed in accordance with the relevant standards and the manufacturer's instructions.

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SIST EN 15423:2008
EN 15423:2008 (E)

In order to reduce the propagation of fire initiated by the fan, a free area (area that has no contact with any

part of the fan) should be allowed around installed fans and motors. If there is no free area, all materials

should be fire rated according to national regulations.

The fan shall be stopped in case of fire either manually or automatically depending on the system design.

5.3.1.3 Commissioning
See Clause 6.
Make sure, by turning on the fan, it is running properly.

Check that the rated intensity does not exceed the nominal value indicated on the product nameplate.

5.3.1.4 Maintenance – Routine
See Clause 6.

In addition, the free area shall be checked visually. The electrical motor shall be checked in accordance with

the manufacturer's instructions and the alignment of the fan belt drives shall be controlled.

5.3.2 Fans for ventilation and air supply in smoke exhaust system
5.3.2.1 Component

As a fire precaution, the fan electric motor shall be equipped with internal or external thermal overload

protection. Depending on the application, it may be used to switch off the motor or to warn of a thermal

overload.

If necessary, fans should be protected and when they are not connected to a duct they should be protected

with metal screens, grids or similar to prevent the entrance of paper, rubbish, and similar foreign material.

5.3.2.2 Installation

Fans shall be located, arranged and installed to afford access for commissioning and maintenance.

Fans shall be installed in accordance with the manufacturer's instructions.

In order to reduce the propagation of fire initiated by the fan, a free area (area with no contact with any part of

the fan) should be provided around installed fans and motors. If there is no free area, all materials should be

fire rated according to national regulations.

The air distribution system shall ensure that the fan operates in accordance with the specific requirements of

the intended application and particularly the fan shall continue to run in case of smoke.

5.3.2.3 Commissioning
See Clause 6.
Make sure, by turning on the fan, it is running properly.

Check that the electrical intensity does not exceed the nominal value indicated on the product nameplate

5.3.2.4 Maintenance – Routine
See Clause 6.
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SIST EN 15423:2008
EN 15423:2008 (E)
5.3.3 Fans for ventilation and smoke control (dual purpose)
5.3.3.1 Component

The fan shall be tested according to EN 12101-3 and classified in accordance to EN 13501-4.

5.3.3.2 Installation

In case of fire, the control system shall give priority to the safety function of the fan.

If the fan is used for ventilation and assistance in case of fire, the following applies:

 fan shall continue to run in case of fire;

 air distribution system shall ensure that the fan operates in accordance with the specific requirements

of the intended application.
5.3.3.3 Commissioning
See Clause 6.
Make sure, by turning on the fan, it is running properly.

Check that the electrical intensity does not exceed the nominal value indicated on the product name plate.

When a specific sequencing of response is specified (cascade starting of fans, fan delays to allow opening of

the dampers, etc), these sequences shall be tested.
5.3.3.4 Maintenance – Routine
See Clause 6.
5.4 Air control dampers
5.4.1 General
This clause applies to flow control dampers only.
For other dampers, see 5.6.
5.4.2 Component

When the air to be extracted contains corrosive gases in quantities harmful in respect of duct durability, the air

control dampers shall be made of building materials which can withstand these conditions.

5.4.3 Installation
Air control dampers shall be installed in a way their position can be seen.
5.4.4 Commissioning
Dampers position shall be checked and a complete open-close test shall begin.
5.4.5 Maintenance – Routine
Dampers position shall be checked.
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SIST EN 15423:2008
EN 15423:2008 (E)
See EN 12097.
5.5 Duct
5.5.1 Component

Materials for walls in ventilation ducts shall be selected so that the ducts can withstand the functions they are

exposed to, such as heat and cleaning.

The duct used for ventilation only, when required by local requirements, shall fulfil EN 12237, EN 13501-1,

EN 13501-3, EN 1366-1, EN 1505, EN 1506 and EN 1507.

If the duct is used for ventilation and fire/smoke exhaust, ducts shall fulfil EN 1366-8, EN 1366-9, EN 13501-4

and EN 12101-7.

If the duct is insulated, the insulation materials shall have a classification for fire reaction as given in EN

13501-1.
Non-metallic ducts shall be in accordance with EN 13403.

If suspended ceilings/raised floors are used as air ducts, they shall meet the requirements of EN 1364-2 and

EN 13964.
5.5.2 Installation

Fire resistant ventilation ducts shall be fixed and supported in accordance with the fire test in accordance with

EN 1366-1.

All electrical equipment or cables with the purpose of power supply (low voltage cables) shall not be installed

in ventilation ducts due to danger of ignition and the possibility of generating and spreading combustion

gases.
NOTE Cables intended for measurement are not concerned.
5.5.3 Commissioning
See Clause 6.
5.5.4 Maintenance – routine
See EN 12097.
5.6 Fire dampers and smoke control dampers
5.6.1 General

This subclause applies to dampers intended to react in fire situation, or for smoke and heat exhaust. These

dampers shall comply with prEN 15650.
5.6.2 Component

Fire dampers shall be tested in accordance with EN 1366-2 and classified in accordance with EN 13501-3.

Leakage rated fire dampers shall be tested in accordance with EN 1366-2 and classified in accordance with

EN 13501-3.

NOTE 1 Fire dampers generally selected so that they meet the requirements for the fire-resistance period of the fire-

separating building elements penetrated by the ducts.
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SIST EN 15423:2008
EN 15423:2008 (E)

A smoke control damper shall comply with prEN 12101-8 for smoke purposes. Smoke control dampers shall

be tested in accordance with prEN 1366-10 and classified using EN 13501-4.

NOTE 2 Smoke control dampers are generally selected so that they meet the requirements for the fire-resistance

period of the fire-separating building elements penetrated by the ducts or the duct surface to which they are to be

associated.
5.6.3 Installation

A fire damper or smoke control damper shall be installed as prescribed by the manufacturer and in

accordance with the tests so that its performance meets the fire-resistance period or smoke control required.

The sealing between the damper and the building structure shall be made in such a way that it does not

reduce the fire resistance of the structure and shall be in conformity with the initial fire tests.

A fire damper shall be installed according to the initial fire tests.
5.6.4 Commissioning

The dampers shall be checked in accordance with local requirements and the following shall be assessed:

 product is appropriate for its purpose and according to the design specification;

 product is installed according to manufacturer's instruction;
 functioning of the mechanism is tested;

 installation certificate with appropriate signature in accordance with local requirements is included in the

documentation.
5.6.5 Maintenance – routine

Cycle of routine tests concerning all fire dampers and smoke control dampers (SCD) shall be in accordance

with local requirements. For example of routine tests, see Annex C.

A routine test is a mechanical test to activate fire dampers from its waiting position to its fire safety position

and back to its waiting position.
Maintenance of fire dampers shall be in accordance with EN 12097.
5.7 Air terminal devices
5.7.1 Component
According to local regulations.
5.7.2 Installation
According to manufacturer's instructions.
5.7.3 Commissioning
Flow direction, air velocity, pressure drop.
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SIST EN 15423:2008
EN 15423:2008 (E)
5.7.4 Maintenance – routine

Flow, velocity, noise, cleaning shall be checked in accordance with maintenance procedures of the air

distribution system.
5.8 Anchors and supports
5.8.1 General

Fire resistant ventilation ducts shall be fixed and supported in conformity with initial fire tests so that, in the

situation of a fire occurring, they remain in place for the minimum fire-resistance period required.

5.8.2 Component

Anchors and supports shall be made of non combustible material. Isolation materials used for non-

transmission of noise and vibration shall be in accordance with local requirements (fire reaction classification,

etc.).
5.8.3 Installation
Installation shall be in conformity with test reports.
5.8.4 Commissioning
Check if installation is in conformity with test reports.
5.8.5 Maintenance – routine
No requirement is needed for maintenance.
5.9 Duct fittings
5.9.1 Component

Duct fittings shall be in accordance with the relevant standards. For example, metal ducts shall be in

accordance with EN 1505 and EN 1506.
NOTE Duct fittings are usually made of the same material as the ducts.
5.9.2 Installation
According to manufacturer's instructions.
5.9.3 Commissioning

Check if installation has been carried out according to the manufacturer's instructions.

5.9.4 Maintenance - routine
See EN 12097.
5.10 Control panels

Control panels used in dual purpose ventilation systems shall be in accordance with prEN 12101-9.

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SIST EN 15423:2008
EN 15423:2008 (E)
5.11 Cables and connections
5.11.1 Component

Cables and connections shall be fire resistant or fire protected, in accordance with local requirements, if they

serve components that need electricity in a fire situation.

NOTE Cables and connections which generate a few toxic gases in a fire situation should be preferred.

5.11.2 Installation

All electrical equipment or cables shall not be installed in ventilation ducts due to danger of ignition and

generation and spreading of combustion gases.

The fire protection of electricity supply for components is intended to act in a fire situation shall be checked.

NOTE Cables intended for measurement are not concerned.
5.11.3 Maintenance – routine
Components used in fire safe
...

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