EN 54-22:2015/FprA1

Fire detection and fire alarm systems - Part 22: Resettable line-type heat detectors

EN 54-22:2015/FprA1

Name:EN 54-22:2015/FprA1   Standard name:Fire detection and fire alarm systems - Part 22: Resettable line-type heat detectors
Standard number:EN 54-22:2015/FprA1   language:English language
Release Date:   technical committee:CEN/TC 72 - Fire detection and fire alarm systems
Drafting committee:CEN/TC 72/WG 18 - Line-type heat detectors   ICS number:13.220.10 - Fire-fighting

SLOVENSKI STANDARD
01-julij-2017
Sistemi za odkrivanje in javljanje požara ter alarmiranje - 22. del: Linijski toplotni
javljalniki z možnostjo ponastavitve
Fire detection and fire alarm systems - Part 22: Resettable line-type heat detectors
Brandmeldeanlagen - Teil 22: Rücksetzbare linienförmige Wärmemelder
Systèmes de détection et d'alarme incendie - Partie 22: Détecteurs de chaleur de type
linéaire réenclenchables
Ta slovenski standard je istoveten z: EN 54-22:2015/prA1
ICS:
13.220.20 3RåDUQD]DãþLWD Fire protection
13.320 Alarmni in opozorilni sistemi Alarm and warning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
EN 54-22:2015
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
May 2017
ICS 13.220.10
English Version
Fire detection and fire alarm systems - Part 22: Resettable
line-type heat detectors
Systèmes de détection et d'alarme incendie - Partie 22: Brandmeldeanlagen - Teil 22: Rücksetzbare
Détecteurs de chaleur de type linéaire réenclenchables linienförmige Wärmemelder
This draft amendment is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee CEN/TC 72.

This draft amendment A1, if approved, will modify the European Standard EN 54-22:2015. If this draft becomes an amendment,
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for inclusion of
this amendment into the relevant national standard without any alteration.

This draft amendment was established by CEN in three official versions (English, French, German). A version in any other
language made by translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC
Management Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 54-22:2015/prA1:2017 E
worldwide for CEN national Members.

EN 54-22:2015/prA1:2017 (E)
Contents Page
European foreword . 3
1 Modification to 4.6.1 Dry heat (endurance) for sensing element . 4
2 Modification to 5.1.5.3 Multipoint heat detectors . 4
3 Modification to 5.1.7 Test schedule . 4
4 Modification to 5.5.2.2.3.1 Mounting of the sensing element . 4
5 Modification to 5.6.1.2 Dry heat (endurance) sensing element . 4
6 Modification to Table B.1 — Test fires for RLTHD . 6
7 Modification to Table B.2 — End of test condition . 6
8 Modification to Table B.5 — Test validity criteria for test fire TF6S . 7
9 Modification to Annex E (normative), Mounting of the sensing element of multipoint
RLTHD in the heat tunnel . 7
10 Modification to Annex F (normative), Heat tunnel for response time and response
temperature measurements . 7
11 Modification to Annex ZA (informative), Clauses of this European Standard
addressing the provisions of the EU Construction Products Regulation . 8
EN 54-22:2015/prA1:2017 (E)
European foreword
This document (EN 54-22:2015/prA1:2017) has been prepared by Technical Committee CEN/TC 72
“Fire detection and fire alarm systems”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Regulation 305/2011.
For relationship with EU Directive, see informative Annex ZA, which is an integral part of
EN 54-22:2015.
EN 54-22:2015/prA1:2017 (E)
1 Modification to 4.6.1 Dry heat (endurance) for sensing element
Replace 4.6.1.2 with:
"4.6.1.2 Dry heat (endurance) for sensor control unit and sensing element
The sensor control unit and the sensing element of the RLTHD shall be capable of withstanding long
term exposure to high temperature as specified in 5.6.1.2."
2 Modification to 5.1.5.3 Multipoint heat detectors
Replace the second paragraph of 5.1.5.3 with:
"When testing the response time of multipoint detectors, one single sensors of the multipoint detector
shall be placed in the centre of the tunnel measuring section (see Annex E). All other sensors shall be
outside the heat tunnel and shall remain at ambient temperature (23 ± 5) °C during the measurement
unless otherwise stated in the individual tests."
3 Modification to 5.1.7 Test schedule
th
In the first column, replace the 11 row, reading "Dry heat (endurance) sending element" with:
"Dry heat (endurance) sensor control unit and sensing element"
4 Modification to 5.5.2.2.3.1 Mounting of the sensing element
Replace the second and third Paragraph (after Note) with:
"When testing the response temperature of multipoint detectors, one single sensor within a 10 m
section of sensing element L shall be placed in the tunnel measuring section as described in Annex E.
test
The position of the part of the sensing element under test (L ) shall be chosen such that it represents
test
the least sensitive response behaviour of the RLTHD. A typical example of a test setup is shown in
Figure E.1."
5 Modification to 5.6.1.2 Dry heat (endurance) sensing element
Replace 5.6.1.2 with:
"5.6.1.2 Dry heat (endurance) for sensor control unit and sensing element
5.6.1.2.1 Object of the test
To demonstrate, if applicable, the ability of the RLTHD sensor control unit and sensing element to
withstand long term ageing effects.
5.6.1.2.2 Principle
The test consists of exposure of the sensor control unit and the sensing element specimens to the high
temperature, for a long period to accelerate ageing effects.
The test shall be conducted consecutively for the sensor control unit and the sensing element. However,
in case the temperature conditioning for the sensor control unit and the sensing element is the same,
testing may be conducted simultaneously.
5.6.1.2.3 Reference
The test apparatus and procedure shall be as described in EN 60068-2-2:2007.
EN 54-22:2015/prA1:2017 (E)
5.6.1.2.4. State of the specimen during conditioning
The sensor control unit and the sensing element specimens shall not be supplied with power during
conditioning and tests for non heat-dissipating specimens shall apply (Test B).
The length of sensing element used in the test shall correspond to the most unfavourable operating
condition of the RLTHD technology under test. The configuration shall be the same as chosen in 5.1.5.
The length of sensing element to be exposed to the heat shall be the 10 m section L which is to be
Test
used for the response test (see 5.1.5.).
The section of the sensing element to be exposed to the dry heat may be disconnected from the
remainder of the sample and its open ends may be sealed in accordance with the manufacturer’s
instructions.
5.6.1.2.5 Conditioning
Conditioning shall be applied to the specimen as indicated in the Table 6 and Table 7.
Table 6 — Conditions for dry heat (endurance) test for sensing elements
Environmental group Class Temperature Duration
°C days
II A1I, A2I, BI, A1N, A2N No test
and BN
class CI and CN 80 ± 2 21
class DI and DN 95 ± 2
class EI and EN 110 ± 2
class FI and FN 125 ± 2
class GI and GN 140 ± 2
III A1I, A2I, BI, A1N, A2N 70 ± 2 21
and BN
class CI and CN 80 ± 2 21
class DI and DN 95 ± 2
class EI and EN 110 ± 2
class FI and FN 125 ± 2
class GI and GN 140 ± 2
Table 7 — Conditions for dry heat (endurance) test for sensor control unit
Environmental group Class Temperature Duration
°C days
I and II all No test
III all 70 ± 2 21
5.6.1.2.6 Final measurements
After the conditioning and a recovery period of at least 1 h, the functional test as described in 5.1.5 shall
be conducted at a rate of rise of 3 Kmin-1 and the response time recorded.
EN 54-22:2015/prA1:2017 (E)
The greater response time value measured in this test and that measured for the same specimen in the
reproducibility test, shall be designated t(3)max and the lesser shall be designated t(3)min.
5.6.1.2.7 Requirements
No alarm or fault signal shall be given after powering the sensor control unit together with the sensing
element at the end of the conditioning and recovery periods.
The ratio of the response times t(3) : t(3) shall be not greater than 1,3."
max min
Renumber all the following Tables and their cross references according to the addition of the new Table 7.
6 Modification to Table B.1 — Test fires for RLTHD
Replace Table B.
...

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