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ISO 7240-31:2022 Fire detection and alarm systems - Part 31: Resettable line-type heat detectors, 2022
- Foreword
- Introduction
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Requirements [Go to Page]
- 4.1 General [Go to Page]
- 4.1.1 Conformance
- 4.1.2 Heat response classes
- 4.2 Individual alarm indication
- 4.3 Signalling
- 4.4 Repeatability
- 4.5 Reproducibility
- 4.6 Connection of ancillary devices
- 4.7 Manufacturer's adjustments
- 4.8 Software [Go to Page]
- 4.8.1 General
- 4.8.2 Software design
- 4.8.3 The storage of programs and data
- 4.9 Sensing element fault
- 4.10 On-site adjustment of response behaviour
- 4.11 Maximum ambient temperature test (sensing element)
- 4.12 Variation in supply parameters
- 4.13 Low voltage fault
- 4.14 Fire sensitivity for Class A and ror-only RLTHD
- 4.15 Static response temperature test
- 4.16 Response times from typical application temperature for ror-only RLTHD
- 4.17 Dry heat (operational) sensor control unit
- 4.18 Dry heat (endurance) for sensor control unit and sensing element
- 4.19 Cold (operational) for sensing element
- 4.20 Cold (operational) for sensor control unit
- 4.21 Damp heat, steady-state (endurance) for sensor control unit and sensing element
- 4.22 Damp heat, cyclic (operational) for sensing element
- 4.23 Damp heat, cyclic (operational) for sensor control unit
- 4.24 Damp heat, steady-state (operational) for sensor control unit
- 4.25 Damp heat, cyclic (endurance) for sensor control unit and sensing element
- 4.26 Shock (operational) for sensor control unit
- 4.27 Impact (operational) for sensor control unit
- 4.28 Impact (operational) for sensing element
- 4.29 Vibration, sinusoidal (operational) for sensor control unit
- 4.30 Vibration, sinusoidal (operational) for sensing element
- 4.31 Vibration, sinusoidal (endurance) for sensor control unit
- 4.32 Vibration, sinusoidal (endurance) for sensing element
- 4.33 Sulfur dioxide (SO2) corrosion (endurance) for sensing element
- 4.34 Sulfur dioxide (SO2) corrosion (endurance) for sensor control unit
- 4.35 Electromagnetic immunity
- 5 Test methods [Go to Page]
- 5.1 General [Go to Page]
- 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 Procedure for measurement of response time
- 5.1.6 Provision for tests
- 5.1.7 Test schedule
- 5.2 Individual alarm indication
- 5.3 Signalling
- 5.4 Repeatability [Go to Page]
- 5.4.1 Object of the test
- 5.4.2 Test procedure
- 5.4.3 Requirements
- 5.5 Reproducibility [Go to Page]
- 5.5.1 Object of the test
- 5.5.2 Test procedure
- 5.5.3 Requirements
- 5.6 Connection of ancillary devices
- 5.7 Manufacturer's adjustments
- 5.8 Requirements for software-controlled detectors
- 5.9 Sensing element fault [Go to Page]
- 5.9.1 Object of the test
- 5.9.2 Sensing element operational continuity
- 5.9.3 Requirements
- 5.10 On-site adjustment of response behaviour
- 5.11 Maximum ambient temperature test (sensing element) [Go to Page]
- 5.11.1 Object of the test
- 5.11.2 Mounting of the sensing element
- 5.11.3 Test procedure
- 5.11.4 Requirements
- 5.12 Variation in supply parameters [Go to Page]
- 5.12.1 Object of the test
- 5.12.2 Test procedure
- 5.12.3 Requirements
- 5.13 Low voltage fault [Go to Page]
- 5.13.1 Object of the test
- 5.13.2 Test procedure
- 5.13.3 Requirements
- 5.14 Fire sensitivity for Class A and ror-only RLTHD [Go to Page]
- 5.14.1 Object of the test
- 5.14.2 Principle
- 5.14.3 Fire test room
- 5.14.4 Test fires
- 5.14.5 Mounting of the specimens
- 5.14.6 Initial conditions
- 5.14.7 Recording of the fire parameters and response times
- 5.14.8 Requirements
- 5.15 Static response temperature test [Go to Page]
- 5.15.1 Object of the test
- 5.15.2 Test procedure for non-integrating linear and multipoint RLTHD
- 5.15.3 Test procedure for integrating linear RLTHD
- 5.15.4 Requirements
- 5.16 Response times from typical application temperature for ror-only RLTHD [Go to Page]
- 5.16.1 Object of the test
- 5.16.2 Test procedure
- 5.16.3 Requirements
- 5.17 Dry heat (operational) test for sensor control unit [Go to Page]
- 5.17.1 Object of the test
- 5.17.2 Reference
- 5.17.3 State of the specimen during conditioning
- 5.17.4 Conditioning
- 5.17.5 Measurements during conditioning
- 5.17.6 Final measurements
- 5.17.7 Requirements
- 5.18 Dry heat (endurance) for sensor control unit and sensing element [Go to Page]
- 5.18.1 Object of the test
- 5.18.2 Principle
- 5.18.3 Reference
- 5.18.4 State of the specimen during conditioning
- 5.18.5 Conditioning
- 5.18.6 Final measurements
- 5.18.7 Requirements
- 5.19 Cold (operational) for sensing element [Go to Page]
- 5.19.1 Object of the test
- 5.19.2 Reference
- 5.19.3 State of the specimen during conditioning
- 5.19.4 Conditioning
- 5.19.5 Measurements during conditioning
- 5.19.6 Final measurements
- 5.19.7 Requirements
- 5.20 Cold (operational) for sensor control unit [Go to Page]
- 5.20.1 Object of the test
- 5.20.2 Reference
- 5.20.3 State of the specimen during conditioning
- 5.20.4 Conditioning
- 5.20.5 Measurements during conditioning
- 5.20.6 Final measurements
- 5.20.7 Requirements
- 5.21 Damp heat, steady-state (endurance) for sensor control unit and sensing element [Go to Page]
- 5.21.1 Object of the test
- 5.21.2 Reference
- 5.21.3 State of the specimen during conditioning
- 5.21.4 Conditioning
- 5.21.5 Final measurements
- 5.21.6 Requirements
- 5.22 Damp heat, cyclic (operational) for sensing element [Go to Page]
- 5.22.1 Object of the test
- 5.22.2 Principle
- 5.22.3 Reference
- 5.22.4 State of the specimen during conditioning
- 5.22.5 Conditioning
- 5.22.6 Measurements during conditioning
- 5.22.7 Final measurements
- 5.22.8 Requirements
- 5.23 Damp heat, cyclic (operational) for sensor control unit [Go to Page]
- 5.23.1 Object of the test
- 5.23.2 Principle
- 5.23.3 Reference
- 5.23.4 State of the specimen during conditioning
- 5.23.5 Conditioning
- 5.23.6 Measurements during conditioning
- 5.23.7 Final measurements
- 5.23.8 Requirements
- 5.24 Damp heat, steady-state (operational) for sensor control unit [Go to Page]
- 5.24.1 Object of the test
- 5.24.2 Principle
- 5.24.3 Reference
- 5.24.4 State of the specimen during conditioning
- 5.24.5 Conditioning
- 5.24.6 Measurements during conditioning
- 5.24.7 Final measurements
- 5.24.8 Requirements
- 5.25 Damp heat, cyclic (endurance) for sensor control unit and sensing element [Go to Page]
- 5.25.1 Object of the test
- 5.25.2 Principle
- 5.25.3 Reference
- 5.25.4 State of the specimen during conditioning
- 5.25.5 Conditioning
- 5.25.6 Final measurements
- 5.25.7 Requirements
- 5.26 Shock (operational) for sensor control unit [Go to Page]
- 5.26.1 Object of the test
- 5.26.2 Reference
- 5.26.3 State of the specimen during conditioning
- 5.26.4 Conditioning
- 5.26.5 Measurements during conditioning
- 5.26.6 Final measurements
- 5.26.7 Requirements
- 5.27 Impact (operational) for sensor control unit [Go to Page]
- 5.27.1 Object of the test
- 5.27.2 Reference
- 5.27.3 State of the specimen during conditioning
- 5.27.4 Conditioning
- 5.27.5 Measurements during conditioning
- 5.27.6 Final measurements
- 5.27.7 Requirements
- 5.28 Impact (operational) for sensing element [Go to Page]
- 5.28.1 Object of the test
- 5.28.2 Test apparatus
- 5.28.3 State of the specimen(s) during conditioning
- 5.28.4 Conditioning
- 5.28.5 Measurements during conditioning
- 5.28.6 Final measurements
- 5.28.7 Requirements
- 5.29 Vibration, sinusoidal (operational) for sensor control unit [Go to Page]
- 5.29.1 Object of the test
- 5.29.2 Reference
- 5.29.3 State of the specimen during conditioning
- 5.29.4 Conditioning
- 5.29.5 Measurements during conditioning
- 5.29.6 Final measurements
- 5.29.7 Requirements
- 5.30 Vibration, sinusoidal (operational) for sensing element [Go to Page]
- 5.30.1 Object of the test
- 5.30.2 Reference
- 5.30.3 State of the specimen during conditioning
- 5.30.4 Conditioning
- 5.30.5 Measurements during conditioning
- 5.30.6 Final measurements
- 5.30.7 Requirements
- 5.31 Vibration, sinusoidal (endurance) for sensor control unit [Go to Page]
- 5.31.1 Object of the test
- 5.31.2 Reference
- 5.31.3 State of the specimen during conditioning
- 5.31.4 Conditioning
- 5.31.5 Final measurements
- 5.31.6 Requirements
- 5.32 Vibration, sinusoidal (endurance) for sensing element [Go to Page]
- 5.32.1 Object of the test
- 5.32.2 Reference
- 5.32.3 State of the specimen during conditioning
- 5.32.4 Conditioning
- 5.32.5 Final measurements
- 5.32.6 Requirements
- 5.33 Sulfur dioxide (SO2) corrosion (endurance) for sensing element [Go to Page]
- 5.33.1 Object of the test
- 5.33.2 Reference
- 5.33.3 State of the specimen during conditioning
- 5.33.4 Conditioning
- 5.33.5 Final measurements
- 5.33.6 Requirements
- 5.34 Sulfur dioxide (SO2) corrosion (endurance) for sensor control unit [Go to Page]
- 5.34.1 Object of the test
- 5.34.2 Reference
- 5.34.3 State of the specimen during conditioning
- 5.34.4 Conditioning
- 5.34.5 Final measurements
- 5.34.6 Requirements
- 5.35 Electromagnetic compatibility (EMC), immunity tests (operational) [Go to Page]
- 5.35.1 General
- 5.35.2 State of the specimen during conditioning
- 5.35.3 Final measurements
- 5.35.4 Requirements
- 6 Test report
- 7 Marking [Go to Page]
- 7.1 General
- 7.2 Marking of sensor control unit
- 7.3 Marking of sensing element
- 7.4 Marking of functional units
- 8 Data [Go to Page]
- 8.1 Hardware documentation
- 8.2 Software documentation
- Annex A (normative) Arrangement of the sensing element in the fire test room
- Annex B (normative) Flaming liquid test fires (TF6F, TF6 and TF6S)
- Annex C (normative) Test arrangement for the sensing element of linear heat detectors in the heat tunnel
- Annex D (informative) Apparatus for mounting of the sensing element of linear heat detectors in the heat tunnel
- Annex E (normative) Mounting of the sensing element of multipoint RLTHD in the heat tunnel
- Annex F (normative) Heat tunnel for response time and response temperature measurements
- Annex G (informative) Construction of the heat tunnel
- Annex H (normative) Test arrangement for vibration tests for sensing element
- Annex I (normative) Test apparatus for impact test on the sensing element [Go to Page]
