BS EN 54-5:2017 pdf download.Fire detection and fire alarm systems Part 5: Heat detectors – Point heat detectors.
BS EN 54-5 specifies the requirements, test methods and performance criteria for point heat detectors intended for use in fire detection and fire alarm systems installed in and around buildings (see EN 54-1:201 1).
This European Standard provides for the assessment of verification of consistency of performance (AVCP) of point heat detectors to this EN.
For other types of heat detector, or for detectors intended for use in other environments, this standard should only be used for guidance.
Heat detectors with special characteristics and developed for specific risks are not covered by this standard.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 54-1:2011, Fire detection and fire alarm systems – Part 1: Introduction
EN 50130-4:2011. Alarm systems Part 4: Electromagnetic compatibility Product family standard: Immunity requirements for components of fire, intruder, hold up, CCTV. access control and social alarm systems
EN 60068-1:1994, Environmental testing – Part 1: General and guidance (1EC 60068-1:1988) EN 60068-2-1:2007, Environmental testing – Part 2-1: Tests – Test A: Cold (IEC 60068.2-1:2007)
EN 60068-2-2:2007, Environmental testing – Part 2-2: Tests – Test B: Dry heat (1EC 60068-2- 2:200 7)
EN 60068-2-6:2008, Environmental testing – Part 2-6: Tests- Test Fc: Vibration (sinusoidal) (IEC 60068-2 -6 :2008)
EN 60068-2-27:2009, Environmental testing – Part 2-27: Tests- Test Ea and guidance: Shock (IEC 60068.2 -2 7:2009)
EN 60068-2-30:2005, Environmental testing – Part 2-30: Tests- Test Db: Damp heat, cyclic (12 h. 12 h cycle) (lEC 600682 .30:2005)
EN 60068-2-42:2003, Environmental testing – Part 2-42: Tests – Test Kc: Sulphur dioxide test for contacts and connections (IEC 60068-2-42:2003)
EN 60068-2-78:20 13, Environmental testing – Part 2-78: Tests- Test Cab: Damp heat, steady state (IEC 60068-2-78:2012)
3.1 Terms and Definitions
For the purposes of this document, the following terms and definitions and those given in EN 54-1:2011 apply.
3.1.1 typical application temperature
temperature that an installed point heat detector can be expected to experience for long periods of time in the absence of a fire condition
Note I to entry; This temperature is deemed to be 29 C below the minimum static response temperature, according to the category marked on the point heat detector, as specified in Table 1.
3.1.2 maximum application temperature
maximum temperature that an installed point heat detector can be expected to experience, even for short periods of time, In the absence of a fire condition
Note 1 to entry: This temperature is deemed to be 4 DC below the minimum static response temperature, according to the category marked on the point heat detector, as specified in Table 1.
3.1.3 static response temperature
temperature at which the point heat detector would produce an alarm signal if subjected to a vanishingly small rate of rise of temperature
Note ito entry; Rates of rise of temperature of approximately 0,2 K min are normally found to be suitable for measuring this, however lower rates can be required in some instances (see 5.3).
3.2 Abbreviations RT Response time Temperature
4 Product characteristics
4.1 General
4.1.1 Heat Response Categories
Detectors are categorized by one or more of the following heat response categories: Al, A2. B. C, D. E. F orG according to the requirements of the tests specified in Clause 5 (see Table 1).
Manufacturers may optionally give additional information concerning the type of response exhibited by the detector, by adding the suffix S or R to the above categories’). Detectors, which are marked with the letter S or R as a suffix to the category marking, shall be tested in accordance with the applicable test, specified in 5.4.1 or 5.4.2. and shall meet the requirements of that test, in addition to the tests of ClauseS. Addition of a suffix shall be regarded as creating a new category.
4.2 Operational reliability
4.2.1 Position of heat sensitive elements
The heat sensitive element(s) or at least part of it. except elements with auxiliary functions (e.g. characteristic correctors), shall be at a distance 15 mm from the mounting surface of the point heat detector. To confirm this, the point heat detector shall be tested in accordance with 5.2.1.
4.2.2 Individual alarm Indication
4.2.2.1 Category Al, A2, B, C or D point heat detectors shall be provided with an integral red visual indicator, by which the Individual point heat detector, which released an alarm, can be identified, until the alarm condition is reset. Where other conditions of the point heat detector can be visually indicated, they shall be clearly distinguishable from the alarm indication, except when the point heat detector is switched into a service mode. For detachable point heat detectors the indicator may be integral with the base or the point heat detector head. The visual Indicator shall be visible from a distance of 6 m directly below the point heat detector, in an ambient light Intensity up to 500 lx. To confirm this, the point heat detector shall be assessed in accordance with 5.2.2.BS EN 54-5 pdf download.
BS EN 54-5:2017 pdf download
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