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AS 3786:2014
[Available Superseded]Smoke alarms using scattered light, transmitted light or ionization
Specifies requirements, test methods and functional criteria for smoke alarms that operate using scattered light, transmitted light or ionization, intended for household or similar residential applications.
Published: 16/02/2015
Pages: 59
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
1 Scope
2 Normative references
3 Definitions
4 General requirements
4.1 General
4.1A Optional and additional functions
4.1B Classification
4.2 Alarm condition
4.2.1 Alarm condition audible indicator
4.2.1.1 Signal pattern
4.2.1.2 Signal pattern level (optional function)
4.2.1.3 Signal pattern frequency characteristics—Optional function
4.2.2 Alarm condition visual indicator
4.3 External main power source visual indicator
4.4 Fault condition visual indicator—Optional function
4.5 Smoke alarm signals
4.6 Test facility
4.7 Means of calibration
4.8 User-replaceable components
4.9 Main power source
4.9.1 General
4.9.2 Internal
4.9.3 External
4.10 Standby power source
4.10.1 General
4.10.2 Monitoring of standby power source
4.10.3 Battery low condition silence—Optional function
4.11 Service—Disconnect facility
4.12 Battery connections
4.13 User-replaceable battery
4.13.1 General
4.13.2 Indication
4.14 Electrical safety
4.15 Connection of external ancillary devices
4.16 Terminals for external conductors
4.17 Protection against the ingress of foreign bodies
4.18 Interconnectable smoke alarms—Optional function
4.19 Alarm-silence facility—Optional function
4.20 Radioactive material in type B smoke alarms
4.21 Smoke alarms with voice—Optional function
4.22 Marking
4.22.1 Smoke alarm
4.22.2 Packaging
4.23 Documentation
4.24 Additional requirements for software-controlled smoke alarms
4.24.1 General
4.24.2 Software documentation
4.24.3 Software design
4.24.4 Storage of programs and data
5 Tests
5.1 General requirements
5.1.1 Optional functions
5.1.2 Atmospheric conditions for tests
5.1.3 Operating conditions for tests
5.1.4 Mounting arrangements
5.1.5 Tolerances
5.1.6 Measurement of response threshold value
5.1.7 Provision for tests
5.1.8 Test schedule
5.1.9 Test report
5.2 Directional dependence
5.2.1 Objective of test
5.2.2 Test procedure
5.2.3 Acceptance criteria
5.3 Initial sensitivity
5.3.1 Objective of test
5.3.2 Test procedure
5.3.3 Acceptance criteria
5.4 Repeatability
5.4.1 Objective of test
5.4.2 Test procedure
5.4.3 Acceptance criteria
5.5 Air movement
5.5.1 Objective of test
5.5.2 Test procedure
5.5.3 Acceptance criteria
5.6 Dazzling
5.6.1 Objective of test
5.6.2 Test procedure
5.6.3 Acceptance criteria
5.7 Dry heat (operational)
5.7.1 Objective of test
5.7.2 Apparatus
5.7.3 Mounting of specimen
5.7.4 Procedure
5.7.4.1 General
5.7.4.2 Conditioning
5.7.4.3 Measurements during conditioning
5.7.4.4 Final measurements
5.7.5 Acceptance criteria
5.8 Cold (operational)
5.8.1 Objective of test
5.8.2 Apparatus
5.8.3 Mounting of specimen
5.8.4 Procedure
5.8.4.1 General
5.8.4.2 Conditioning
5.8.4.3 Monitoring during conditioning
5.8.4.4 Final measurements
5.8.5 Acceptance criteria
5.9 Damp heat (operational)
5.9.1 Objective of test
5.9.2 Apparatus
5.9.3 Mounting of specimen
5.9.4 Procedure
5.9.4.1 General
5.9.4.2 Conditioning
5.9.4.3 Monitoring during conditioning
5.9.4.4 Final measurements
5.9.5 Acceptance criteria
5.10 Sulfur dioxide (SO2) corrosion
5.10.1 Objective of test
5.10.2 Apparatus
5.10.3 Mounting of specimen procedure
5.10.4 Procedure
5.10.4.1 General
5.10.4.2 Conditioning
5.10.4.3 Final measurements
5.10.5 Acceptance criteria
5.11 Impact (operational)
5.11.1 Objective of test
5.11.2 Apparatus
5.11.3 Mounting of specimen
5.11.4 Conditioning
5.11.5 Measurements during conditioning
5.11.6 Final measurements
5.11.7 Acceptance criteria
5.12 Vibration, sinusoidal (operational)
5.12.1 Objective of test
5.12.2 Apparatus
5.12.3 Mounting of specimen
5.12.4 Procedure
5.12.4.1 General
5.12.4.2 Conditioning
5.12.4.3 Final measurements
5.12.5 Acceptance criteria
5.13 Vibration, sinusoidal (endurance)
5.13.1 Objective of test
5.13.2 Apparatus
5.13.3 Mounting of specimen
5.13.4 Procedure
5.13.4.1 General
5.13.4.2 Conditioning
5.13.4.3 Final measurements
5.13.5 Acceptance criteria
5.14 Extended temperature (operational)—Optional function
5.14.1 Objective of test
5.14.2 Mounting of specimen
5.14.3 Test procedure
5.14.4 Final measurement
5.14.5 Acceptance criteria
5.15 Electromagnetic compatibility (EMC) immunity tests (operational)
5.15.1 Test
5.15.2 Acceptance criteria
5.16 Fire sensitivity
5.16.1 Objective of test
5.16.2 Principle of test
5.16.3 Mounting of specimen
5.16.4 Test procedure
5.16.4.1 Initial conditions
5.16.4.2 Test fires
5.16.4.3 Recording of the fire parameters and response values
5.16.5 Acceptance criteria
5.17 Battery-low condition
5.17.1 Objective of test
5.17.2 Test procedure
5.17.3 Acceptance criteria
5.18 85 dBA sound output
5.18.1 Objective of test
5.18.2 Apparatus
5.18.3 Units
5.18.4 Test procedure
5.18.5 Acceptance criteria
5.19 Sounder durability
5.19.1 Objective of test
5.19.2 Test procedure
5.19.3 Acceptance criteria
5.20 Interconnectable smoke alarms
5.20.1 Objective of test
5.20.2 Test procedure
5.20.3 Acceptance criteria
5.21 Alarm-silence facility
5.21.1 Objective of test
5.21.2 Test procedure
5.21.3 Acceptance criteria
5.22 Variation in supply voltage
5.22.1 Objective of test
5.22.2 Test procedure
5.22.3 Acceptance criteria
5.23 Polarity reversal
5.23.1 Objective of test
5.23.2 Test procedure
5.23.3 Acceptance criteria
5.24 Standby power source
5.24.1 Objective of test
5.24.2 Test procedure
5.24.3 Acceptance criteria
5.25 Electrical safety
5.25.1 Objective of test
5.25.2 Test procedure
5.25.2.1 Heating under normal operating conditions
5.25.2.2 Shock hazard under normal operating conditions
5.25.2.3 Insulation requirements
5.25.2.4 Fault conditions
5.25.2.5 Mechanical strength
5.25.2.6 Clearances and creepage distances
5.25.2.7 Components
5.25.2.8 Protection against the start and spread of fire
5.25.3 Acceptance criteria
5.26 Sequence timing for smoke alarms with voice
5.26.1 Objective of the test
5.26.2 Test procedure
5.26.3 Acceptance criteria
6 Test report
Appendix A
Appendix B
Appendix C
C1 Obscuration meter
C2 Measuring ionization chamber (MIC)
C2.1 General
C2.2 Operating method and basic construction
C2.3 Technical data
Appendix D
Appendix E
Appendix F
Appendix G
G1 Fuel
G2 Hotplate
G3 Arrangement
G4 Heating rate
G5 End-of-test condition
G6 Test validity criteria
Appendix H
H1 Fuel
H2 Arrangement
H3 Ignition
H4 End-of-test condition
H5 Test validity criteria
Appendix I
I1 Fuel
I2 Arrangement
I3 Ignition
I4 End-of-test condition
I5 Test validity criteria
Appendix J
J1 Fuel
J2 Arrangement
J3 Ignition
J4 End-of-test condition
J5 Test validity criteria
Appendix K
Appendix L
Amendment control sheet
AS 3786:2014
Amendment No. 1 (2015)
Correction
Amendment No. 2 (2018)
Revised text
Bibliography
Cited references in this standard
[Current]
Alarm systems - Part 2: Electromagnetic compatibility - Immunity requirements for components of fire and security alarm systems
[Current]
Environmental testing, Part 2.6: Tests — Test Fc: Vibration (sinusoidal) (IEC 60068-2-6:2007 (ED. 7.0) MOD)
[Current]
Environmental testing, Part 2.2: Tests — Test B: Dry heat (IEC 60068-2-2:2007 (ED. 5.0) MOD)
[Current]
Environmental testing, Part 2.1: Tests — Test A: Cold (IEC 60068-2-1:2007 (ED. 6.0) MOD)
[Current]
Environmental testing, Part 1: General and guidance (IEC 60068-1:2013 (ED. 7.0) MOD)
Content history
[Current]
[Available Superseded]
[Available Superseded]
[Available Superseded]
[Available Superseded]
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