iTeh StandardsiTeh Standards
EURUSD
Your shopping cart is empty.
CEN

EN 1148:1998

(Main)

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

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

This standard applies to series produced water to water heat exchangers, for district heating appliances and its purpose is to establish uniform methods to test and ascertain the following: - product identification; - performance characteristics; - pressure drop. This European standard does not cover technical safety aspects.

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

Diese Europäische Norm gilt für serienmäßig hergestellte Wasser/Wasser- Wärmeaustauscher für Fernheizungen und ihr Zweck besteht darin, einheitliche Prüfverfahren festzulegen und folgende Angaben sicher zu bestätigen: - Produktidentifikation; - Leistungskenndaten; - Druckverluste. Diese Europäische Norm enthält keine sicherheitstechnischen Festlegungen.

Echangeurs thermiques - Echangeurs eau/eau pour chauffage urbain - Procédures d'essai pour la détermination des performances

La présente norme européenne s'applique aux échangeurs eau/eau fabriqués en série pour les appareils de chauffage urbain et son objet est de définir des méthodes uniformes d'essai type. Les vérifications portent sur les points suivants: - l'dentification du produit; - les caractéristiques de fonctionnement; - la perte d'énergie mécanique. La présente norme européenne ne couvre pas les aspects techniques concernant la sécurité.

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

General Information

Status
Published
Publication Date
22-Sep-1998
ICS
91.140.10 - Central heating systems
Technical Committee
CEN/TC 110 - Heat exchangers
Drafting Committee
CEN/TC 110/WG 2 - Heat exchangers - Water to water
Current Stage
9093 - Decision to confirm - Review Enquiry
Completion Date
12-Oct-2023
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
89/106/EEC - Construction products
Mandate
M/BC/CEN/87/5 - Standardization request concerning heat exchangers
Ref Project
SIST EN 1148:1999 - Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data

Relations

Amended By
EN 1148:1998/A1:2005 - Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data
Effective Date
22-Dec-2008

Buy Standard

EN 1148:1999EN 1148:1999
PreviousNext
Standard
EN 1148:1999
English language
17 pages
sale 10% off
Preview
sale 10% off
Preview
e-Library read for
1 day

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Wärmeaustauscher - Wasser/Wasser- Wärmeaustauscher für Fernheizung - Prüfverfahren zur Feststellung der LeistungsdatenEchangeurs thermiques - Echangeurs eau/eau pour chauffage urbain - Procédures d'essai pour la détermination des performancesHeat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data91.140.10Sistemi centralnega ogrevanjaCentral heating systems27.060.30Grelniki
...

Questions, Comments and Discussion

Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.

This May Also Interest You

CEN
EN 1148:1998/A1:2005(Amendment)
Heat exchangers - Water to water heat exchangers for district heating - Test procedures for establishing the performance data
SIST EN 1148:1999/A1:2005

UAP of 4 months (TC Res 147/1998) (CC/001115)
2020-01-20: Originator of XML version: NEN (on behalf of NEN, ASI, DS, SFS, SIS, SN)

  • Amendment
    5 pages
    English language
    sale 10% off
    e-Library read for
    1 day
  • Amendment
    5 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 17956:2024(Main)
Energy efficiency classes for technical insulation systems - Calculation method and applications
SIST EN 17956:2024

This document is applicable to technical insulation systems of operational installations in industry and the building services, such as pipes, ducts, vessels, equipment and built-in components.
The document specifies methods for the energy efficiency classification of insulation systems for the abovementioned components with an operational temperature range of −30 °C up to 650 °C.
The document addresses plant operators, engineers of operational installations, as well as the involved contractors such as insulation contractors and pipefitting contractors.
The design of safe surface temperatures for personal protection, as well as the prevention of condensation, is outside the scope of this document.
This document also does not apply to water-based heating and cooling systems in buildings and does not apply to directly buried district heating and district cooling pipes.

  • Standard
    29 pages
    English language
    sale 10% off
    e-Library read for
    1 day
  • Draft
    26 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
CEN/TS 15502-3-1:2024(Main)
Gas-fired central heating boilers - Part 3-1: H2NG and ACCF - Expansion of EN 15502-2-1:2022
kSIST-TS FprCEN/TS 15502-3-1:2024

Scope of CEN/TS 15502-3-1
EN 15502-2-1:2022, Clause 1 applies with the following modifications:
Add after k):
l) which are fully premixed appliances equipped with an Adaptive Combustion Control Function (ACCF) that are intended to be connected to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance including gas grids for natural gases of the second family where up to 20% hydrogen volume is added to the natural gas (H2NG-Y20).
m) which are fully premixed appliances equipped with a Pneumatic Gas Air Ratio controller (PGAR) that are intended to be connected to gas grids for natural gases of the second family where up to 20% hydrogen volume is added to the natural gas (H2NG-Y20), where the quality of the distributed gas without adding the hydrogen is not likely to vary to a large extent over the lifetime of the appliance.
Replace ab) and ak) and al) by the following:
ab) appliances that are intended to be connected to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance (see Annex AB of EN 15502-1:2021), except for fully premixed appliances with a ACCF, as ACCF appliances are designed to adapt to variations in gas quality.
ak) appliances that are intended to burn natural gases of the second family where hydrogen is added to the natural gas, except for fully premixed appliances with a ACCF or PGAR (which are covered by this document);
al) Partially premixed appliances equipped with an adaptive combustion control function (ACCF).

  • Draft
    58 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 17690-1:2023(Main)
Components for BAC control loop - Sensors - Part 1: Room temperature sensors
SIST EN 17690-1:2024

This document specifies requirements and test methods for room temperature sensors used to control the room temperature.
This document is applicable to wall mounted and flush mounted room temperature sensors.
The following aspects are not covered by this document:
-   pendulum temperature sensors;
-   ceiling mounted temperature sensor;
-   extract air temperature sensors.
NOTE   The measured value available at the output of the sensor is influenced by the place where the sensor device is located and factors such as air velocity, wall temperature, self/waste heating of the device and the air temperature. The perceived temperature, which is important for the well-being of a person, depends among other factors on air temperature, temperature of the surrounding walls and air flow rate as indicated in EN ISO 7730.
The temperature sensor element can be combined with other sensors in one device. This document only deals with the room temperature sensing of this devices. Other sensors are not covered except of their influence on the room temperature sensing (e.g. self-heating).
This document specifies sensor characteristics contributing to the determination of the control accuracy of individual zone controller according to EN 15500 1.

  • Standard
    41 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 15502-2-3:2023(Main)
Gas-fired central heating boilers - Part 2-3: Specific standard for hybrid units combining a gas-fired boiler and an electrical heat pump in a product
SIST EN 15502-2-3:2024

This document specifies the requirements and tests methods concerning the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of hybrid units.
A hybrid unit is composed of:
-   a gas boiler as a heat generator which is able to supply the heat demand in all operating conditions;
-   an electrical air-to-water heat pump, as a heat generator, which does not have to meet the heat demand in all operating conditions;
-   a control unit (see definition 3.1.10).
A hybrid unit can include the facility to produce hot water, either by the instantaneous or storage principle, the whole being marketed as a single unit.
A gas boiler as part of a hybrid unit covered by this document is a gas-fired central heating boiler from the types C1 up to C9 and the types B2, B3 and B5, according to the classification in EN 1749:2020:
a)   that have a nominal heat input (on the basis of gross calorific value) not exceeding 400 kW;
b)   that use one or more combustible gases of the three gas families at the pressures stated in EN 437:2021;
c)   where the temperature of the heat transfer fluid does not exceed 105 °C during normal operation;
d)   where the maximum operating pressure in the water circuit does not exceed 6 bar;
e)   which are classified as a gas-fired central heating boiler;
f)   which are intended to be installed either indoors or outdoors in a partially protected place;
g)   which are designed for either sealed water systems or for open water systems.
This document provides requirements for boilers with known constructions.
NOTE 1   For boilers with any alternative constructions, which might not fully be covered by this document, the risk associated with this alternative construction needs to be assessed.
NOTE 2   An example of an assessment methodology, based upon risk assessment and which covers the essential requirements of the Gas Appliance Regulation UE/426/2016, is given in Clause 11.
This document does not cover all the requirements for:
aa)   appliances that are intended to be connected to gas grids where the quality of the distributed gas is likely to vary to a large extent over the lifetime of the appliance (see EN 15502-1:2021, Annex AB);
ab)   appliances using flue dampers;
ac)   appliances of the types B21, B31, B51, C21, C41, C51, C61, C71 and C81;
ad)   appliances incorporating flexible plastic flue liners;
ae)   appliances designed to become connected to a combined flue duct system.
af)   appliances of the types C(10),C(11), C(12) and C(13);
ag)   C7 appliances that have a nominal heat input (on the basis of net calorific value) exceeding 70 kW;
ah)   appliances intended to be connected to a flue having mechanical extraction;
ai)   surface temperatures of external parts particular to children and elderly people;
aj)   appliances that are intended to burn natural gases of the second family where hydrogen is added to the natural gas;
ak)   appliances equipped with an adaptive combustion control function (ACCF);
al)   boilers intended to be installed in areas accessible to elderly people and children.
This document specifies minimum operating requirements which ensure that the products are fit for the use designated by the technical instructions when used for space heating and/or DHW production.
This document is intended to be used in conjunction with:
ba)   the gas-fired boiler, the generic part EN 15502-1:2021 and specific parts FprEN 15502-2-1:2022 and FprEN 15502-2-2:2022;
bb)   the electrical heat pump, EN 14511-4:2018, EN 378-1:2016+A1:2020, EN 378-2:2016 and EN 14825:2022;
bc)   electrical safety, EN 60335-1:2012 , EN 60335-2-102:2016 and IEC 60335-2-40:2018;
bd)   for domestic hot water production, EN 13203-5:2022.

  • Standard
    42 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 17522:2023(Main)
Design and construction of backfilled and grouted borehole heat exchangers
SIST EN 17522:2023

This document covers standardization in the field of geological and environmental aspects, design, construction, operation, monitoring, maintenance and decommissioning of grouted borehole heat exchangers for uses in geothermal energy systems.
This document is only applicable for backfilled and grouted boreholes, it is not applicable for groundwater-filled boreholes.
Direct expansion and thermal syphon techniques are excluded from this document.

  • Standard
    61 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 12098-1:2022(Main)
Energy performance of buildings - Controls for heating systems - Part 1: Control equipment for hot water heating systems - Modules M3-5, 6, 7, 8
SIST EN 12098-1:2023

This document is applicable to electronic control equipment for heating systems with water as the heating medium and a supply water temperature up to 120 °C.
This control equipment controls the distribution and/or the generation of heat in relation to the outside temperature and time and other reference variables.
This document also is also applicable to controllers that contain an integrated optimum start or an optimum start-stop control function.
Safety requirements on heating systems remain unaffected by this document.
The dynamic behaviour of the valves and actuators are not covered in this document.
A multi-distribution and/or multi-generation system needs a coordinated solution to prevent undesired interaction and is not part of this document.

  • Standard
    35 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
CEN/TR 12098-7:2022(Main)
Energy performance of buildings - Controls for heating systems - Part 7: Accompanying TR EN 12098-3:2022 - Modules M3-5,6,7,8
SIST-TP CEN/TR 12098-7:2023

This document refers to EN 12098-3:2022, Energy performance of buildings - Controls for heating systems - Part 3: Control equipment for electrical heating systems - Modules M3-5,6,7,8.
It contains information to support the correct understanding, use and national adaption of EN 12098-3:2022.
This document does not contain any normative provisions.

  • Technical report
    14 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
CEN/TR 12098-6:2022(Main)
Energy performance of buildings - Controls for heating systems - Part 6: Accompanying TR EN 12098-1:2022 - Modules M3-5,6,7,8
SIST-TP CEN/TR 12098-6:2023

This document refers to EN 12098-1:2022, Energy performance of buildings - Controls for heating systems - Part 1: Control equipment for hot water heating systems - Modules M3-5, 6, 7, 8.
It contains information to support the correct understanding, use and national adaption of EN 12098-1:2022.
This document does not contain any normative provisions.

  • Technical report
    20 pages
    English language
    sale 10% off
    e-Library read for
    1 day
CEN
EN 303-5:2021+A1:2022(Main)
Heating boilers - Part 5: Heating boilers for solid fuels, manually and automatically stoked, nominal heat output of up to 500 kW - Terminology, requirements, testing and marking
SIST EN 303-5:2021+A1:2023

1.1 General
This European Standard applies to heating boilers including safety devices up to a nominal heat output of 500 kW which are designed for the burning of solid fuels only and are operated according to the instructions of the boiler manufacturer.
This European Standard deals with significant hazards, hazardous situations and events relevant to heating boilers used as intended and under the conditions foreseen by the manufacturer (see Clause 4).
The boilers may operate under natural draught or forced draught. The stoking may work manually or automatically.
The boilers may operate under room sealed conditions in case of supervised under pressure in the combustion chamber.
The boilers may operate in condensing condition.
NOTE This European Standard deals with boilers which are both within and outside of the scope of the Machinery
Directive 2006/42/EC.
This European Standard contains requirements and test methods for safety, combustion quality, operating characteristics, marking and maintenance of heating boilers and secondary emission reduction appliances and efficiency improvement appliances. It also covers all external equipment that influences the safety systems (e.g. back burning safety device, integral fuel hopper).
This European Standard covers only boilers that include burners as a unit. The standard applies to the combination of a boiler body with a solid fuel burner according to EN 15270 as a unit only when the whole unit is tested in accordance with this European Standard.
Heating boilers in accordance with this European Standard are designed for central heating installations where the heat carrier is water and the maximum allowable temperature is 110 °C, and which can operate at a maximum allowable operating pressure of 6 bars. For heating boilers with a built-in or attached water heater (storage or continuous flow heater), this European Standard only applies to those parts of the water heater which are necessarily subject to the operating conditions of the heating boiler (heating part).
This European Standard does not apply to:
heating boilers and other heating appliances which are also designed for the direct heating of the place of installation;
cooking appliances;
the design and construction of external fuel storage and transportation devices prior to the safety devices of the boiler;
room sealed applications above a nominal heat output > 70 kW or operated with positive pressure in the combustion chamber or operated under natural draught;
This European Standard specifies the necessary terminology for solid fuel heating boilers, the control and safety related requirements, the design requirements, the technical heating requirements (taking into account the environmental requirements) and testing, as well as the marking requirements.
This European Standard is not applicable to heating boilers which are tested before the date of its publication as an EN (European Standard).
1.2 Fuels
These boilers may burn either fossil fuels, biogenic fuels or other fuels such as peat, as specified for their use by the boiler manufacturer, in accordance with the requirements of this European Standard.
Solid fuels included in this European Standard are categorised as follows.
1.2.1 Biogenic fuels
Biomass in a natural state, in the form of:
Adaptation to new fuels standards and consideration of new fuels standards in preparation.
A log wood with moisture content w ≤ 25 %, according to EN 14961-5;
B1 chipped wood (wood chipped by machine, usually up to a maximum length of 15 cm) with moisture content from w 15 % to w 35 %, according to EN 14961-4;
B2 chipped wood as under B1, except with moisture content w > 35 %;
C1 compressed wood (e.g. pellets without additives, made of wood and/or bark particles; natural binding agents such as molasses, vegetable paraffins and starch are permitted), pellets according to EN 14961-2;
(...)

  • Standard
    103 pages
    English language
    sale 10% off
    e-Library read for
    1 day