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EN 54-20:2006/AC:2008

Current
Current

The latest, up-to-date edition.

FIRE DETECTION AND FIRE ALARM SYSTEMS - PART 20: ASPIRATING SMOKE DETECTORS
Amendment of

EN 54-20:2006

Published date

11-19-2008

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Requirements
   5.1 Compliance
   5.2 Individual visual alarm indication
   5.3 Connection of ancillary devices
   5.4 Manufacturer's adjustments
   5.5 On site adjustment of response behaviour
   5.6 Response to slowly developing fires
   5.7 Mechanical strength of the pipework
   5.8 Hardware components and additional sensing
        elements in the sampling device
   5.9 Airflow monitoring
   5.10 Power supply
   5.11 Data
   5.12 Additional requirements for software controlled
        detectors
6 Tests
   6.1 General
   6.2 Repeatability
   6.3 Reproducibility
   6.4 Variation in supply parameters
   6.5 Dry heat (operational)
   6.6 Cold (operational)
   6.7 Damp heat, steady state (operational)
   6.8 Damp heat, steady state (endurance)
   6.9 Sulfur dioxide (SO[2]) corrosion (endurance)
   6.10 Shock (operational)
   6.11 Impact (operational)
   6.12 Vibration, sinusoidal (operational)
   6.13 Vibration, sinusoidal (endurance)
   6.14 Electromagnetic compatibility (EMC) immunity tests
   6.15 Fire sensitivity
7 Classification and designation
8 Marking
Annex A (informative) - Apparatus for Response Threshold
                        Value (RTV) measurements
Annex B (normative) - Smoldering (pyrolysis) wood fire
                        (TF2)
      B.1 Fuel
      B.2 Hotplate
      B.3 Arrangement
      B.4 Heating rate
      B.5 End of test condition
      B.6 Test validity criteria
Annex C (normative) - Reduced smoldering pyrolysis
                        wood fires (TF2A and TF2B)
      C.1 Fuel
      C.2 Hotplate
      C.3 Arrangement
      C.4 Heating rate
      C.5 End of test condition
      C.6 Test validity criteria
Annex D (normative) - Glowing smouldering cotton fire
                        (TF3)
      D.1 Fuel
      D.2 Arrangement
      D.3 Ignition
      D.4 End of test condition
      D.5 Test validity criteria
Annex E (normative) - Reduced glowing smoldering
                        cotton fire (TF3A and TF3B)
      E.1 Fuel
      E.2 Arrangement
      E.3 Ignition
      E.4 End of test condition
      E.5 Test validity criteria
Annex F (normative) - Flaming plastics (polyurethane)
                        fire (TF4)
      F.1 Fuel
      F.2 Arrangement
      F.3 Ignition
      F.4 End of test condition
      F.5 Test validity criteria
Annex G (normative) - Flaming liquid (n-heptanes)
                        fire (TF5)
      G.1 Fuel
      G.2 Arrangement
      G.3 Ignition
      G.4 End of test condition
      G.5 Test validity criteria
Annex H (normative) - Reduced flaming liquid (n-heptanes)
                        fire (TF5A and TF5B)
      H.1 Fuel
      H.2 Arrangement
      H.3 Ignition
      H.4 End of test condition
      H.5 Test validity criteria
Annex I (normative) - Fire test room and ventilation
                        system
      I.1 Fire test room
      I.2 Ventilation system
Annex J (informative) - Information concerning the
                        requirements for the response to
                        slowly developing fires
Annex K (informative) - Apparatus for air flow monitoring
                        test
      K.1 General
      K.2 Airflow measuring with worst-case sampling
           device
      K.3 Airflow monitoring test with test pipe network
Annex ZA (informative) - Clauses of this European Standard
                         addressing the provisions of the
                         EU Construction Products Directive
      ZA.1 Scope and relevant clauses
      ZA.2 Procedures for the attestation of conformity
           of aspirating smoke detectors covered by this
           standard
      ZA.3 CE Marking and labelling and accompanying
           documentation
      ZA.4 EC certificate and declaration of conformity
Bibliography

Describes the requirements, test methods and performance criteria for aspirating smoke detectors for use in fire detection and fire alarm systems installed in buildings.

Committee
CEN/TC 72
DocumentType
Test Method
PublisherName
Comite Europeen de Normalisation
Status
Current

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