prEN 17451

SLOVENSKI STANDARD
01-december-2022
Vgrajene naprave za gašenje - Avtomatski sprinklerski sistemi - Projektiranje,
montaža, vgradnja in preverjanje črpalk
Fixed firefighting systems — Automatic sprinkler systems — Design, assembly,
installation and commissioning of pump sets
Ortsfeste Brandbekämpfungsanlagen - Automatische Sprinkleranlagen - Projektierung,
Zusammenstellung, Montage und Inbetriebnahme von Pumpenaggregaten
Installations fixes de lutte contre l’incendie - Systèmes d’extinction automatique de type
sprinkleur - Conception, assemblage, installation et mise en service des groupes
motopompes
Ta slovenski standard je istoveten z: prEN 17451
ICS:
13.220.10 Gašenje požara Fire-fighting
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2022
ICS 13.220.20
English Version
Fixed firefighting systems - Automatic sprinkler systems -
Design, assembly, installation and commissioning of pump
sets
Installations fixes de lutte contre l'incendie - Systèmes Ortsfeste Brandbekämpfungsanlagen - Automatische
d'extinction automatique de type sprinkleur - Sprinkleranlagen - Projektierung, Zusammenstellung,
Conception, assemblage, installation et mise en service Montage und Inbetriebnahme von Pumpenaggregaten
des groupes motopompes
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 191.
If this draft becomes a European Standard, CEN members are bound to comply with the CEN/CENELEC Internal Regulations
which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.

This draft European Standard 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye 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: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17451:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms, definitions, symbols and abbreviated terms . 7
3.1 Terms and definitions . 7
3.2 Symbols and abbreviated terms . 9
4 Performance of pump set . 9
4.1 General design principles . 9
4.2 Components . 10
4.3 Cooling and by-pass flow . 10
4.4 Fuel tank design . 11
4.5 Fuel, lubricating oil and coolant quality . 11
4.6 Speed of rotation . 11
5 Couplings. 12
5.1 Pump coupling and mounting . 12
5.2 Pump coupling and mounting (submersible pump) . 12
5.3 Coupling selection . 12
5.4 Coupling installation and alignment . 13
6 Baseplate or mounting frame . 13
6.1 General requirements for pump set installation and fixing considerations . 13
6.2 Load transfer – Vibration . 14
7 Pump set control . 14
7.1 Pump set control panels . 14
7.2 Pump set controller operational requirements . 15
7.3 Electrical pump set operation . 17
7.4 Monitoring of diesel pump driven operations . 18
8 Electrical drivers . 21
8.1 General. 21
8.2 Motor sizing – environmental conditions . 21
9 Diesel drivers . 21
9.1 General. 21
9.2 Power . 21
9.3 Diesel driver sizing . 22
9.4 Motor torque . 22
9.5 Diesel engine equipped with electronic fuel management control (ECM) . 23
9.6 Cooling system . 23
9.7 Exhaust system . 25
9.8 Starting mechanism . 25
9.9 Pump set engine supplier pre-dispatch testing of diesel engine . 26
10 Handover, installation and commissioning . 27
10.1 General. 27
10.2 Pre-commissioning tests . 27
10.3 Documentation . 28
10.4 Installers’ pre-commissioning checks . 30
10.5 Diesel set commissioning . 30
10.6 Electrical set commissioning . 31
11 Maintenance programme . 31
Annex A (informative) Pump set installation and fixing considerations; examples . 32
Annex B (informative) Information for designers, subject matter experts, and to assist
evaluation by authorities . 34
B.1 General . 34
B.2 Information about electrical pump controllers. 34
B.3 Industrial practice and design hints . 34
B.3.1 Intent of the short circuit protection as given in IEC 62091 . 34
B.3.1.1 General . 34
B.3.1.2 Starting modes as given in IEC 62091 . 34
B.3.1.2.1 General . 34
B.3.1.2.2 Full voltage starting mode – DOL (direct on line) . 34
B.3.1.2.3 Reduced voltage starting mode. 35
B.3.1.3 Most common reduced voltage starting means – star-delta . 35
B.4 Information about controllers for diesel engine driven fire pumps . 37
B.5 Information about flexible fire pump couplings and flexible connecting shafts for fire
protection service . 37
B.6 Information about diesel engine drives . 37
B.7 Information about electrical motors for fire pumps . 37
Annex C (informative) Examples of fire pump sets with its H(Q) performance . 38
C.1 General . 38
C.2 Pump Set Performance Output . 38
Annex D (informative) Typical examples of pump set coupling arrangements. 40
Bibliography . 41

European foreword
This document (prEN 17451:2022) has been prepared by Technical Committee CEN/TC 191 “Fixed
firefighting systems”, the secretariat of which is held by BSI.
This document is currently submitted to the CEN Enquiry.
This document is related to the following European standards:
CEN/TS 14816, Fixed firefighting systems - Water spray systems - Design, installation and maintenance;
CEN/TS 17551, Fixed firefighting systems — Automatic sprinkler systems — Guidance for earthquake
bracing;
EN 671 (all parts), Fixed firefighting systems - Hose systems;
EN 12094 (all parts), Fixed firefighting systems - Components for gas extinguishing systems;
EN 12101 (all parts), Smoke and heat control systems;
EN 12259 (all parts), Fixed firefighting systems - Components for sprinkler and water spray systems;
EN 12416 (all parts), Fixed firefighting systems - Powder systems;
EN 12845 (all parts), Fixed firefighting systems — Automatic sprinkler systems;
EN 13565 (all parts), Fixed firefighting systems - Foam systems;
EN 14972 (all parts), Fixed firefighting systems - Water mist systems;
Introduction
This document covers:
• the
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