ISO 7240-3:2020
Fire detection and alarm systems — Part 3: Audible alarm devices
This document specifies the requirements, test methods and performance criteria for audible alarm devices intended to signal an audible warning, with or without voice messages between a fire detection and fire alarm system and the occupants of a building.
This document specifies fire alarm audible alarm devices for two types of application environment, type A for indoor use and type B for outdoor use.
This document is not applicable to:
a) loudspeaker-type devices primarily intended for emitting emergency voice messages that are generated from an external audio source;
b) supervisory audible alarm devices, e.g. within the control and indicating equipment.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Requirements
4.1 Compliance
4.2 Sound pressure level
4.3 Frequency and sound pattern
4.4 Audible alarm devices (AADs) with voice
4.5 Synchronization — Optional function
4.6 Construction
4.6.1 Provision for external conductors
4.6.2 Materials
4.6.3 Ingress protection
4.6.4 Access
4.7 On-site adjustment of the mode of operation
4.8 Durability
5 Tests
5.1 General
5.1.1 Atmospheric conditions for tests
5.1.2 Operating conditions for tests
5.1.3 Mounting arrangements
5.1.4 Tolerances
5.1.5 Provision for tests
5.1.6 Test schedule
5.1.7 Test report
5.2 Reproducibility
5.2.1 Object of the test
5.2.2 Test procedure
5.2.3 Requirements
5.3 Operational performance
5.3.1 Object of the test
5.3.2 Test procedure
5.3.3 Requirements
5.4 Durability
5.4.1 Object of the test
5.4.2 Test procedure
5.4.3 Requirements
5.5 Dry heat (operational)
5.5.1 Object of the test
5.5.2 Test procedure and apparatus
5.5.3 Requirements
5.6 Dry heat (endurance)
5.6.1 Object of the test
5.6.2 Test procedure
5.6.3 Requirements
5.7 Cold (operational)
5.7.1 Object of the test
5.7.2 Test procedure
5.7.3 Requirements
5.8 Damp heat, cyclic (operational)
5.8.1 Object of the test
5.8.2 Test procedure
5.8.3 Requirements
5.9 Damp heat, steady state (endurance)
5.9.1 Object of the test
5.9.2 Test procedure
5.9.3 Requirements
5.10 Damp heat, cyclic (endurance)
5.10.1 Object of the test
5.10.2 Test procedure
5.10.3 Requirements
5.11 Sulphur dioxide (SO2) corrosion (endurance)
5.11.1 Object of the test
5.11.2 Test procedure
5.11.3 Requirements
5.12 Shock (operational)
5.12.1 Object of the test
5.12.2 Test procedure
5.12.3 Requirements
5.13 Impact (operational)
5.13.1 Object of the test
5.13.2 Test procedure
5.13.3 Requirements
5.14 Vibration, sinusoidal (operational)
5.14.1 Object of the test
5.14.2 Test procedure
5.14.3 Requirements
5.15 Vibration, sinusoidal (endurance)
5.15.1 Object of the test
5.15.2 Test procedure
5.15.3 Requirements
5.16 Electromagnetic compatibility (EMC), immunity (operational)
5.16.1 Object of the tests
5.16.2 Test procedures
5.16.3 Requirements
5.17 Enclosure protection
5.17.1 Object of the test
5.17.2 Test procedures
5.17.3 Requirements
5.18 Operational performance for AADs with voice
5.18.1 Object of the test
5.18.2 Test procedure
5.18.3 Requirements
5.19 Sequence timing for AADs with voice
5.19.1 Object of the test
5.19.2 Test procedure
5.19.3 Measurements during conditioning
5.19.4 Requirements
5.20 Synchronization (optional)
5.20.1 Object of the test
5.20.2 Test procedure
5.20.3 Measurements during conditioning
5.20.4 Test requirements
6 Test report
7 Marking
8 Data
Annex A (normative) Sound pressure level test for AAD
Annex B (normative) Comparative sound pressure level test during environmental conditioning
Annex C (informative) Comparison of flammability test requirements in various standards
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms
3.1 Terms and definitions
3.2 Abbreviated terms
4 Requirements
4.1 Compliance
4.2 Sound pressure level
4.3 Frequency and sound pattern
4.4 Audible alarm devices (AADs) with voice
4.5 Synchronization — Optional function
4.6 Construction
4.6.1 Provision for external conductors
4.6.2 Materials
4.6.3 Ingress protection
4.6.4 Access
4.7 On-site adjustment of the mode of operation
4.8 Durability
5 Tests
5.1 General
5.1.1 Atmospheric conditions for tests
5.1.2 Operating conditions for tests
5.1.3 Mounting arrangements
5.1.4 Tolerances
5.1.5 Provision for tests
5.1.6 Test schedule
5.1.7 Test report
5.2 Reproducibility
5.2.1 Object of the test
5.2.2 Test procedure
5.2.3 Requirements
5.3 Operational performance
5.3.1 Object of the test
5.3.2 Test procedure
5.3.3 Requirements
5.4 Durability
5.4.1 Object of the test
5.4.2 Test procedure
5.4.3 Requirements
5.5 Dry heat (operational)
5.5.1 Object of the test
5.5.2 Test procedure and apparatus
5.5.3 Requirements
5.6 Dry heat (endurance)
5.6.1 Object of the test
5.6.2 Test procedure
5.6.3 Requirements
5.7 Cold (operational)
5.7.1 Object of the test
5.7.2 Test procedure
5.7.3 Requirements
5.8 Damp heat, cyclic (operational)
5.8.1 Object of the test
5.8.2 Test procedure
5.8.3 Requirements
5.9 Damp heat, steady state (endurance)
5.9.1 Object of the test
5.9.2 Test procedure
5.9.3 Requirements
5.10 Damp heat, cyclic (endurance)
5.10.1 Object of the test
5.10.2 Test procedure
5.10.3 Requirements
5.11 Sulphur dioxide (SO2) corrosion (endurance)
5.11.1 Object of the test
5.11.2 Test procedure
5.11.3 Requirements
5.12 Shock (operational)
5.12.1 Object of the test
5.12.2 Test procedure
5.12.3 Requirements
5.13 Impact (operational)
5.13.1 Object of the test
5.13.2 Test procedure
5.13.3 Requirements
5.14 Vibration, sinusoidal (operational)
5.14.1 Object of the test
5.14.2 Test procedure
5.14.3 Requirements
5.15 Vibration, sinusoidal (endurance)
5.15.1 Object of the test
5.15.2 Test procedure
5.15.3 Requirements
5.16 Electromagnetic compatibility (EMC), immunity (operational)
5.16.1 Object of the tests
5.16.2 Test procedures
5.16.3 Requirements
5.17 Enclosure protection
5.17.1 Object of the test
5.17.2 Test procedures
5.17.3 Requirements
5.18 Operational performance for AADs with voice
5.18.1 Object of the test
5.18.2 Test procedure
5.18.3 Requirements
5.19 Sequence timing for AADs with voice
5.19.1 Object of the test
5.19.2 Test procedure
5.19.3 Measurements during conditioning
5.19.4 Requirements
5.20 Synchronization (optional)
5.20.1 Object of the test
5.20.2 Test procedure
5.20.3 Measurements during conditioning
5.20.4 Test requirements
6 Test report
7 Marking
8 Data
Annex A (normative) Sound pressure level test for AAD
Annex B (normative) Comparative sound pressure level test during environmental conditioning
Annex C (informative) Comparison of flammability test requirements in various standards
Bibliography