EN 54-31:2014+A1:2016

European foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements
5 Testing, assessment and sampling methods
6 Classification and designation
7 Marking, Labelling and Packaging
Annex A (normative) - Smoke tunnel for smoke response
         values
Annex B (normative) - Test aerosol for smoke response
        value measurements
Annex C (normative) - Smoke measuring instruments
Annex D (normative) - Gas test chamber for CO response
         threshold value and crosssensitivity to chemical agents
Annex E (normative) - Heat tunnel for heat response value
Annex F (normative) - Measuring instruments for CO
Annex G (informative) - Establishing exposure levels of
        chemical agents
Annex H (normative) - Apparatus for dazzling test
Annex I (informative) - Apparatus for impact test
Annex J (normative) - Fire test room
Annex K (normative) - Open wood fire (TF1)
Annex L (normative) - Smouldering (pyrolysis) wood fire (TF2)
Annex M (normative) - Glowing smouldering cotton fire (TF3)
Annex N (normative) - Open plastics (polyurethane) fire (TF4)
Annex O (normative) - Liquid (heptane) fire (TF5)
Annex P (normative) - Low temperature black smoke
        (decalene) liquid fire (TF8)
Annex Q (informative) - Information concerning the
        construction of the smoke tunnel
Annex R (informative) - Information concerning the
        construction of the gas test chamber
Annex S (informative) - Construction of the heat tunnel
Annex T (informative) - Information concerning test
        procedures and requirements for response to slowly
        developing fires, aging and contamination
Annex U (informative) - Information concerning the
        construction of the measuring ionization chamber
Bibliography

This European Standard specifies requirements, test methods and performance criteria for point-type multi-sensor fire detectors for use in fire detection and fire alarm systems installed in and around buildings (see EN 54 1:2011), incorporating in one mechanical enclosure at least one optical or ionization smoke sensor and at least one carbon monoxide (CO) sensor and optionally one or more heat sensors, utilizing the combination of the detected phenomena. This European Standard covers only modes of operation, where at least the signals of both smoke and carbon monoxide sensors are continuously evaluated.This European Standard provides for the assessment and verification of constancy of performance (AVCP) of point detectors using a combination of smoke, carbon monoxide and optionally heat sensors to this EN.Point detectors using a combination of smoke, carbon monoxide and optionally heat sensors, which are having special characteristics suitable for the detection of specific fire risks are not covered by this European Standard. The performance requirements for any additional functions are beyond the scope of this standard (e.g. additional features or enhanced functionality for which this European Standard does not define a test or assessment method).