SIST EN 1148:1999
(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
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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
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This European Standard specifies the common requirements and test methods, as well as the classification, marking and energy labelling of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This European Standard is to be used in conjunction with the specific Parts 2 (Part 2-1 and following ones).
This European Standard applies to boilers of types B and C.
NOTE For further background information on appliance types see CEN/TR 1749:2014 [1].
a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437;
b) where the temperature of the water is below or above 105 °C during normal operation;
c) where the maximum operating pressure in the water circuit does not exceed 6 bar;
d) which can give rise to condensation under certain circumstances;
e) which are declared in the instructions for installation to be either a "condensing" boiler or a "low temperature boiler" or a "standard boiler" or an "other boiler". If no declaration is given the boiler is to be considered both a "standard boiler" and an "other boiler";
NOTE The Ecodesign Directive defines "other boilers", "low temperature boilers" and "condensing boilers". The Boiler Efficiency Directive defines "standard boilers", "low temperature boilers" and "condensing boilers". Depending on the legislation applied, a boiler can be both "a standard boiler" and an "other boiler"."
f) which are intended to be installed inside a building or in a partially protected place;
g) which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.
This European Standard applies to boilers designed for sealed water systems or for open water systems.
NOTE This general standard and the specific standards (see Part 2) provide requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard or a specific standard, the risk associated with this alternative construction will need to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This European Standard is not intended to cover appliances intended for connection 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 EE).
This European Standard is not intended to cover appliances designed and constructed to burn gas containing toxic components.
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This European Standard specifies, the requirements and test methods concerning, as well as the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This document is to be used in conjunction with FprEN15502-1:2020
This European Standard covers gas-fired central heating boilers from the types C1 up to C9 and the types B2, B3 and B5:
NOTE For further background information on appliance types see EN 1749:2020.
a) that have a nominal heat input (on the basis of net calorific value) not exceeding 1 000 kW;
b) that use one or more combustible gases of the three gas families at the pressures stated in EN 437:2018;
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 can give rise to condensation under certain circumstances;
f) which are declared in the instructions for installation to be either a “condensing” boiler or a "low temperature boiler" or a “standard boiler”; if no declaration is given the boiler is to be considered a “standard boiler”;
g) which are intended to be installed inside a building or in a partially protected place;
h) which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.;
i) which are designed for either sealed water systems or for open water systems;
j) which are either modular boilers, or non modular boilers.
k) which are from the types C(10) that are equipped with a gas-air ratio control and that have a ∆pmax, saf(min) of 25 Pa, and C(11) that have condensing boiler modules that are equipped with a gas-air ratio control and that have a ∆pmax, saf(min) of 25 Pa."
NOTE This European Standard provides requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard, the risk associated with this alternative construction needs to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This European Standard does not cover all the requirements for:
aa) Appliances above 1000 kW
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 XC);"
ac) Appliances using flue dampers;
ad) Appliances of the types B21, B31, B51, C21, C41, C51, C61, C71, C81 ,C(12) and C(13);"
ae) C7 appliances that have a nominal heat input (on the basis of net calorific value) exceeding 70 kW;
af) Appliances incorporating flexible plastic flue liners;
ag) C(10) boilers:
1) without a gas-air ratio control, or
2) which are non-condensing appliances, or
3) which have a maximum safety pressure difference at minimum heat input not equal to 25 Pa (∆pmax, saf(min));
ah) C(11) boilers that have boiler modules:
1) without a gas-air ratio control, or
2) which are non-condensing appliances, or
3) which have a maximum safety pressure difference at minimum heat input not equal to 25 Pa (∆pmax, saf(min));"
ai) Appliances intended to be connected to a (common) flue having mechanical extraction.
aj) surface temperatures of external parts particular to children and elderly people
ak) appliances that are intended to burn natural gases of the second family where hydrogen is added to the natural gas.
al) appliances equipped with an adaptive combustion control function (ACCF).
am) boilers intended to be installed in areas accessible to elderly people and children
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This European Standard specifies the common requirements and test methods, as well as the classification, marking and energy labelling of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners, and are hereafter referred to as “boilers”.
This European Standard is to be used in conjunction with the specific Parts 2 (Part 2-1 and following ones).
This European Standard applies to boilers of types B and C.
NOTE For further background information on appliance types see CEN/TR 1749:2014 [1].
a) that use one or more combustible gases of the three gas families at the pressures stated in EN 437;
b) where the temperature of the water is below or above 105 °C during normal operation;
c) where the maximum operating pressure in the water circuit does not exceed 6 bar;
d) which can give rise to condensation under certain circumstances;
e) which are declared in the instructions for installation to be either a "condensing" boiler or a "low temperature boiler" or a "standard boiler" or an "other boiler". If no declaration is given the boiler is to be considered both a "standard boiler" and an "other boiler";
NOTE The Ecodesign Directive defines "other boilers", "low temperature boilers" and "condensing boilers". The Boiler Efficiency Directive defines "standard boilers", "low temperature boilers" and "condensing boilers". Depending on the legislation applied, a boiler can be both "a standard boiler" and an "other boiler"."
f) which are intended to be installed inside a building or in a partially protected place;
g) which are intended to produce also hot water either by the instantaneous or storage principle as a single unit.
This European Standard applies to boilers designed for sealed water systems or for open water systems.
NOTE This general standard and the specific standards (see Part 2) provide requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard or a specific standard, the risk associated with this alternative construction will need to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This European Standard is not intended to cover appliances intended for connection 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 EE).
This European Standard is not intended to cover appliances designed and constructed to burn gas containing toxic components.
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This document specifies, the requirements and tests methods concerning, in particular, the construction, safety, fitness for purpose, and rational use of energy, as well as the classification and marking of hybrid products.
The hybrid product is composed by:
- a gas boiler as heat generator which could supply the heat demand in all operating conditions;
- an electrical heat pump, as heat generator, which has not to fulfil the heat demand in all operating conditions;
- a control unit (see definition 3.10).
The gas boiler as part of the hybrid product covered by this document is a gas-fired central heating boilers 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;
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 shall be classified as gas boiler;
f) which are intended to be installed either indoors or outdoors in a partially protected place;
g) which may include the facility to produce hot water, either by the instantaneous or storage principle, the whole being marketed as a single unit;
h) which are designed for either sealed water systems or for open water systems.
This document provides requirements for boilers with known constructions. 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.
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:
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 DD);
a) appliances using flue dampers;
b) appliances of the types B21, B31, B51, C21, C41, C51, C61, C71 and C81;
c) appliances incorporating flexible plastic flue liners;
d) appliances designed to become connected to a combined flue duct system that is designed to operate under overpressure (for example Ca)).
This document specifies minimum operating requirements which ensure that the products are fit for the use designated by the manufacturer when used for space heating and/or DHW production.
This part specifies the common requirements and test methods concerning, in particular the construction, safety, fitness for purpose, and rational use of energy.
This document is to be used in conjunction with:
a) the gas fired boiler, the generic part EN 15502-1 and specific Part 2-1 and Part 2-2.
b) the electrical heat pump, EN 14511-4:2018, EN 378-1:2016 to EN 378-4:2016+A1:2019 and FprEN 14825:2020.
c) electrical safety, EN 60335-1:2019, EN 60335-2-102:2016, EN 60335-2-40:2012, EN 60335-2-40/A2:2009 and EN 60204-1.
d) for domestic hot water production, EN 13203-5.
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This document specifies the essential terms, constructional requirements, tests, energy assessment and marking of indirectly heated water storage tanks for primary water (buffer tanks), with a capacity not exceeding 2,000 litres, an operating temperature not exceeding 95 °C, and an operating pressure not exceeding 1,0 MPa.
This document covers metallic and plastic made buffer tanks.
Although this document does not consider any buffer tanks mainly intended for direct firing, it allows for the provision of electric heating elements for auxiliary purposes.
NOTE The energy assessment is performed by EN 15332.
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This European Standard specifies, the requirements and test methods concerning the classification and marking of gas-fired central heating boilers that are fitted with atmospheric burners, fan assisted atmospheric burners and are hereafter referred to as 'boilers'.
Where the word boiler is used, this is to be read as the boiler including its connecting ducts, ducts and terminals, if any.
This document is to be used in conjunction with FprEN 15502-1:2021
This European Standard covers gas-fired central heating boilers type B11, B11BS, B12, B12BS, B13, B13BS:
NOTE For further background information on appliance types see EN 1749:2020
a) that have a nominal heat input (on the basis of net calorific value) not exceeding 70 kW;
b) that use one or more combustible gases of the three gas families at the pressures stated in EN 437:2018;
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 declared in the technical instructions to be either a 'low temperature boiler' or a 'standard boiler'. If no declaration is given the boiler is to be considered a 'standard boiler';
f) which are intended to be installed inside a building or in a partially protected place;
g) which are intended to produce also hot water either by the instantaneous or storage principle, as a single unit.
h) which are designed for either sealed water systems or for open water systems.
For applications within the scope of the PED further requirements may be necessary (e.g. situations where the maximum allowable temperature exceeds 110 °C, or where volume times maximum allowable pressure is over 50 bar x litres).
NOTE This standard provides requirements for boilers with known constructions. For boilers with any alternative constructions, which might not fully be covered by this standard, the risk associated with this alternative construction needs to be assessed.
An example of an assessment methodology, based upon risk assessment, is given in Clause 11.
This standard does not cover all the requirements for:
i) 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);
j) appliances using flue dampers;
k) appliances that have a nominal heat input (on the basis of net calorific value) exceeding 70 kW;
l) appliances of the types A, B14, B2, B3, B4, B5 and C;
m) appliances intended to be connected to a (common) flue having mechanical extraction;
n) appliances with gas/air ratio control;
o) modular boilers;
p) boilers which can give rise to condensation under certain circumstances;
q) boilers intended to be installed in a room with a foreseeable negative pressure relative to the pressure in the flue system;
r) surface temperatures of external parts particular to children and elderly people;
s) appliances that are intended to burn natural gases of the second family where hydrogen is added to the natural gass;
t) boilers intended to be installed in areas accessible to elderly people and children.
NOTE Negative pressure relative to the pressure in the flue system can for example be caused by mechanical or thermal ventilation in airtight buildings.
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This document gives guidance and requirements for the assessment of conformity of compounds, products, joints and assemblies in accordance with the applicable part(s) of the ISO 16486 series which are intended to be included in the manufacturer’s quality plan as part of the quality management system and for the establishment of certification procedures.
NOTE 1 A basic test matrix in Annex B provides an overview of the testing scheme.
It is recommended for the manufacturer to have a management system such as ISO 9001[4] or equivalent.
NOTE 2 If certification is involved, certification bodies and inspection bodies operating according to ISO/IEC 17065 and ISO/IEC 17020 are considered to be competent.
In conjunction with the other parts of the ISO 16486 series (see Clause 2), this document is applicable to unplasticized polyamide (PA-U) piping systems intended to be buried and used for the supply of gaseous fuels. It is applicable to PA-U pipes, fittings and valves, as well as to their joints and to joints with components of other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 18 bar[1] (the MOP is limited to 16 bar for CEN member countries, where ISO 16486-6 is replaced by CEN/TS 12007-6[1]);
b) an operating temperature of 20 °C as the reference temperature.
NOTE 3 For operating temperatures different to 20 °C, derating coefficients can be used (see ISO 16486-6). CEN member countries use CEN/TS 12007-6[1] and ISO/TS 16486-7 (this document) as a basis, but they can also request additional requirements. For non-CEN member countries, information for dealing with special cases for PA-U can be found in ISO/TS 16486-7 (this document) and PPI TR-3.[7]
For mechanical fittings conforming to ISO 17885, guidance for assessment of conformity is not given in this document. When requested, a quality plan based on the tests mentioned can be set up in agreement between user and manufacturer.
The ISO 16486 series covers a range of maximum operating pressures and gives requirements concerning colours.
NOTE 4 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
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