SIST EN 1148:1999/A1:2005

Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data - Amendment A1

UAP of 4 months (TC Res 147/1998) (CC/001115)

Wärmeaustauscher - Wasser/Wasser-Wärmeaustauscher für Fernheizung - Prüfverfahren zur Feststellung der Leistungsdaten

Échangeurs thermiques - Échangeurs eau/eau pour chauffage urbain - Procédures d'essais pour la détermination des performances

Prenosniki toplote – Prenosniki toplote voda/voda za daljinsko ogrevanje – Postopki preskušanja za ugotavljanje tehničnih karakteristik – Dopolnilo A1

General Information

• Status: Published
• Publication Date: 30-Sep-2005
• Withdrawal Date: 31-Mar-2006
• ICS: 27.060.30 - Boilers and heat exchangers
• ICS: 91.140.10 - Central heating systems
• Technical Committee: OGS - Heating for buildings
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Oct-2005
• Due Date: 01-Oct-2005
• Completion Date: 01-Oct-2005
• Directive: 305/2011 - Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec
• Directive: 89/106/EEC - Construction products
• Mandate: M/BC/CEN/87/5 - Standardization request concerning heat exchangers
• Ref Project: EN 1148:1998/A1:2005 - Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data

Relations

• Amends: SIST EN 1148:1999 - Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data
• Effective Date: 01-Oct-2005

Overview

SIST EN 1148:1999/A1:2005 is a European standard developed by CEN/TC 110 that specifies the test procedures for establishing the performance data of water-to-water heat exchangers used in district heating systems. This amendment updates the original 1998 standard to reflect current testing practices and laboratory competence requirements. It is essential for manufacturers, testing laboratories, and engineers involved in district heating solutions, ensuring consistent and reliable performance evaluation of heat exchangers.

The standard applies to water-to-water heat exchangers specifically designed for district heating networks, focusing on the accurate measurement of thermal capacity and efficiency. It eliminates references to conformity assessment and aligns testing procedures with internationally recognized competence standards such as EN ISO/IEC 17025.

Key Topics

• Scope and Definitions
  SIST EN 1148:1999/A1:2005 defines the scope of testing water-to-water heat exchangers for district heating and clarifies terminology, including the removal of terms like "series-produced" and the revision from "type testing" to "type of testing" to better describe the nature of testing processes.

• Test Procedures
  The standard outlines procedures for conducting type testing to assess heat exchanger performance accurately. It requires detailed analysis of thermal parameters and mandates that testing laboratories comply with competency standards (EN ISO/IEC 17025).

• Capacity Calculation
  It specifies methods for calculating the heat exchanger's capacity, thermal efficiency, and other key parameters using detailed mathematical formulations. The amendment updates terminology and calculation processes to improve clarity and consistency.

• Manufacturer and Laboratory Roles
  Defines the responsibilities of manufacturers in providing accurate data for identification and calculations. It sets requirements for laboratories to carry out testing and calculations independently following the standard’s protocols without manufacturer influence.

• Test Reports and Acceptance Limits
  Provides guidance on structuring test reports and sets acceptance limits on discrepancies between calculated and tested performance to maintain quality and reliability.

Applications

• District Heating Systems
  The standard is critical for designing and validating heat exchangers in urban and regional district heating infrastructures, ensuring efficient heat transfer between water circuits.

• Performance Verification
  Manufacturers use SIST EN 1148:1999/A1:2005 to verify that their heat exchangers meet performance benchmarks, which is crucial for market acceptance and customer assurance.

• Testing Laboratories
  Accredited labs apply this standard to generate consistent, repeatable, and accurate performance data for conformity with European industry requirements.

• Energy Efficiency Optimization
  Enables engineers and planners to select and size heat exchangers accurately, supporting energy-efficient heating solutions and sustainability goals.

Related Standards

• EN ISO/IEC 17025
  Specifies general requirements for the competence of testing and calibration laboratories, referenced in the amendment to ensure test laboratories meet standardized quality criteria.

• EN 45001 (Replaced)
  Formerly cited in the original standard, replaced by EN ISO/IEC 17025 in the 2005 amendment for up-to-date laboratory competence requirements.

• Other Heat Exchanger Standards
  Relevant standards within CEN/TC 110 that cover different types of heat exchangers or complementary testing methods, supporting a comprehensive approach to heat exchanger assessment.

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Keywords: SIST EN 1148:1999/A1:2005, water-to-water heat exchangers, district heating, heat exchanger performance testing, thermal capacity, test procedures, manufacturer data, testing laboratory competence, EN ISO/IEC 17025, European standard, heat transfer efficiency, energy-efficient district heating systems.

Standards Content (Sample)

EUROPEAN STANDARD
FINAL DRAFT
EN 1148:1998
NORME EUROPÉENNE
EUROPÄISCHE NORM
prA1
December 2004
ICS 91.140.10
English version
Heat exchangers - Water to water heat exchangers for district
heating - Test procedures for establishing the performance data
Echangeurs thermiques - Echangeurs eau/eau pour Wärmeaustauscher - Wasser/Wasser-Wärmeaustaucher
chauffage urbain - Procédures d'essais pour la für Fernheizung - Prüfverfahren zur Feststellung der
détermination des performances Leistungsdaten
This draft amendment is submitted to CEN members for unique acceptance procedure. It has been drawn up by the Technical Committee
CEN/TC 110.
This draft amendment A1, if approved, will modify the European Standard EN 1148:1998. 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 Management Centre has the same status
as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
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
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2004 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1148:1998/prA1:2004: E
worldwide for CEN national Members.

EN 1148:1998/prA1:2004 (E)
Contents page
1 Scope. 4
2 Normative references.4
3 Definitions. 4
5 Manufacturer's data. 4
9 Testing procedure. 4
9.2.1 Type testing . 4
10 Capacity calculation.
...

SLOVENSKI STANDARD
01-oktober-2005
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3RVWRSNLSUHVNXãDQMD]DXJRWDYOMDQMHWHKQLþQLKNDUDNWHULVWLN±'RSROQLOR$
Heat exchangers - Water to water heat exchangers for district heating - Test procedures
for establishing the performance data - Amendment A1
Wärmeaustauscher - Wasser/Wasser-Wärmeaustauscher für Fernheizung -
Prüfverfahren zur Feststellung der Leistungsdaten
Échangeurs thermiques - Échangeurs eau/eau pour chauffage urbain - Procédures
d'essais pour la détermination des performances
Ta slovenski standard je istoveten z: EN 1148:1998/A1:2005
ICS:
27.060.30 Grelniki vode in prenosniki Boilers and heat exchangers
toplote
91.140.10 Sistemi centralnega Central heating systems
ogrevanja
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 1148:1998/A1
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2005
ICS 91.140.10
English Version
Heat exchangers - Water to water heat exchangers for district
heating - Test procedures for establishing the performance data
Échangeurs thermiques - Échangeurs eau/eau pour Wärmeaustauscher - Wasser/Wasser-Wärmeaustauscher
chauffage urbain - Procédures d'essais pour la für Fernheizung - Prüfverfahren zur Feststellung der
détermination des performances Leistungsdaten
This amendment A1 modifies the European Standard EN 1148:1998; it was approved by CEN on 25 May 2005.
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. Up-to-date lists and bibliographical references concerning such
national standards may be obtained on application to the Central Secretariat or to any CEN member.
This amendment exists 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 Central Secretariat has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 1148:1998/A1:2005: E
worldwide for CEN national Members.

Contents page
1 Scope. 4
2 Normative references. 4
3 Definitions. 4
5 Manufacturer's data. 4
9 Testing procedures. 4
9.2.1 Type testing.
...