prEN 14336

SLOVENSKI STANDARD
01-januar-2022
Ogrevalni sistemi v stavbah - Vgradnja in zagon toplovodnih ogrevalnih sistemov
Heating systems in buildings - Installation and commissioning of water based heating
systems
Heizungsanlagen und wassergeführte Kühlanlagen in Gebäuden - Installation und
Abnahme der Warmwasser-Heizungsanlagen
Systèmes de chauffage dans les bâtiments - Installation et commissionnement des
systèmes de chauffage à eau
Ta slovenski standard je istoveten z: prEN 14336
ICS:
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2021
ICS 91.140.10 Will supersede EN 14336:2004
English Version
Heating systems in buildings - Installation and
commissioning of water based heating systems
Systèmes de chauffage dans les bâtiments - Installation Heizungsanlagen und wassergeführte Kühlanlagen in
et commissionnement des systèmes de chauffage à eau Gebäuden - Installation und Abnahme der
Warmwasser-Heizungsanlagen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 228.
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, 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: Rue de la Science 23, B-1040 Brussels
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14336:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 7
2 Normative references . 7
3 Terms and definitions . 7
4 Installation . 9
4.1 Preparation for the installation . 9
4.2 Inventory and inspection of incoming goods . 10
4.3 Handling of materials . 11
4.4 Storage of materials . 11
4.5 Installation of components . 11
4.6 Site inspections during the installation work . 14
4.7 Changes during the installation process . 14
5 Pre-commissioning checks . 15
5.1 Objective . 15
5.2 General check . 15
5.3 Equipment and component check . 15
5.4 Electrical checks . 16
6 Pressure test . 16
6.1 General. 16
6.2 Hydraulic test . 18
6.3 Pneumatic test . 18
7 System cleaning . 20
7.1 General. 20
7.2 Simple and dynamic flushing . 21
7.3 Mechanical cleaning . 23
7.4 Use of chemicals . 23
8 System filling and venting . 24
8.1 General. 24
8.2 Frost precautions . 24
8.3 Use of chemicals . 25
8.4 Filling report . 25
9 Balancing water flow rates . 25
10 Functional testing . 26
10.1 General. 26
10.2 Testing and settings of individual devices . 26
10.3 Testing the sequences of operation . 27
11 Handover . 28
11.1 Objective . 28
11.2 Documents for operation, maintenance and use . 28
11.3 Instructions on operation and use . 28
11.4 Hand over documentation . 28
Annex A (informative) List of test and control activities . 29
A.1 Introduction . 29
A.2 Contents of the list . 29
A.3 Sample list of test and control activities . 30
Annex B (informative) Installation site inspection . 32
B.1 Introduction . 32
B.2 Installation site inspection report . 32
B.3 Sample site inspection report . 33
Annex C (informative) PRE-COMMISSIONING CHECKS . 34
C.1 Introduction . 34
C.2 Equipment and major components check-lists . 34
C.3 Electrical checks . 40
Annex D (informative) PRESSURE TESTING . 43
D.1 General . 43
D.2 Sample pressure test report . 43
Annex E (informative) SYSTEM CLEANING . 45
E.1 General . 45
E.2 Procedures . 45
Annex F (informative) FILLING AND VENTING . 49
F.1 General information . 49
F.2 Sample filling report . 49
Annex G (informative) BALANCING OF WATER FLOW RATES . 51
G.1 General . 51
G.2 Simple setting . 51
G.3 Balancing with manual balancing valves and flow measurement and . 53
G.4 Balancing with flow measurement and self-acting balancing valves . 55
G.5 Balancing by temperature measurements . 55
G.6 Flow Accuracy . 56
G.7 Balancing Report . 57
Annex H (informative) FUNCTIONAL TESTING . 59
H.1 General information . 59
H.2 Functional testing of individual appliances and controls . 59
H.3 Global check . 60
Annex I (informative) SAMPLE HAND-OVER CHECKLIST . 62
Bibliography . 63

European foreword
This document (prEN 14336:2021) has been prepared by Technical Committee CEN/TC 228 “Heating
systems and water-based cooling systems in buildings”
...