This document provides requirements and test methods for flexible, factory made, buried district heating pipe systems with metallic service pipes and bonding between the layers of the pipe assemblies and thermal insulation materials of polyurethane or polyisocyanurate foam, the casing being made of polyethylene.
It shall be used in conjunction with part 1.
This document is valid for maximum media temperatures up to 120 °C and, occasionally peak temperatures up to 140 °C for maximum 300 h/a, and a design pressure up to 2,5 MPa for a design lifetime of at least 30 years.
This document covers surveillance systems.
In conjunction with the other parts of EN 15632, this document is applicable to pipes, fittings, their joints and to joints with components made of non-plastics materials intended to be used for district heating installations.
NOTE   For higher temperatures or for the transport of other fluids, for example potable water, additional requirements and testing is needed. Such requirements are not specified in this document.

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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 requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried hot water networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPa. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks consists of two parts:
a)   prEN 13941-1: Design;
b)   prEN 13941-2: Installation.
The requirements and stipulations in this part: EN 13941-1, form an unbreakable unity with those of prEN 13941-2. This part shall therefore exclusively be used in combination with prEN 13941-2.
The principles of the standard may be applied to thermal insulated pipe systems with pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
Adjacent pipes, not buried, but belonging to the network (e. g. pipes in ducts, valve chambers, road crossings above ground etc.) may be designed and installed according to this standard.
This standard presupposes the use of treated water, which by softening, demineralisation, de-aeration, adding of chemicals, or otherwise has been treated to effectively prevent internal corrosion and deposits in the pipes.
NOTE   For further information on water qualities to be used in district heating pipe systems see also [1].
This standard is not applicable for such units as:
a)   pumps;
b)   heat exchangers;
c)   boilers, tanks;
d)   systems behind domestic substations.

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This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPA. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks consists of two parts:
a)   EN 13941-1: Design;
b)   EN 13941-2: Installation.
The requirements and stipulations in this part: prEN 13941-2, form an unbreakable unity with those of prEN 13941-1. This part shall therefore exclusively be used in combination with prEN 13941-1.
The principles of the standard may be applied to thermal insulated pipe systems with pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
Adjacent pipes, not buried, but belonging to the network (e. g. pipes in ducts, valve chambers, road crossings above ground etc.) may be designed and installed according to this standard.
This standard presupposes the use of treated water, which by softening, demineralisation, de-aeration, adding of chemicals, or otherwise has been treated to effectively prevent internal corrosion and deposits in the pipes.
This standard is not applicable for such units as:
a)   pumps;
b)   heat exchangers;
c)   boilers, tanks;
d)   systems behind domestic substations.

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This document specifies procedures and conditions to enable the heat flux in water-based surface heating and cooling systems to be determined relative to the medium differential temperature for systems. The determination of thermal performance of water-based surface heating and cooling systems and their conformity to this document is carried out by calculation in accordance with design documents and a model. This enables a uniform assessment and calculation of water-based surface heating and cooling systems. The surface temperature and the temperature uniformity of the heated/cooled surface, nominal heat flux between water and space, the associated nominal medium differential temperature, and the field of characteristic curves for the relationship between heat flux and the determining variables are given as the result. This document includes a general method based on finite difference or finite element Methods and simplified calculation methods depending on position of pipes and type of building structure.

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This document establishes requirements for the installation of embedded radiant heating and cooling
systems. It specifies general and uniform requirements for the design and construction of heating
and cooling floors, ceiling and wall structures to ensure that the heating/cooling systems are suited
to the particular application. The requirements specified by this document are applicable only to the
components of the heating/cooling systems and the elements which are part of the heating/cooling
surface and which are installed due to the heating/cooling systems.
This document is applicable to water-based embedded surface heating and cooling systems in
residential, commercial and industrial buildings. The methods apply to systems integrated into the
wall, floor or ceiling construction without any open-air gaps, but are not applicable to panel systems
with open-air gaps which are not integrated into the building structure.

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This document specifies the basic definitions, symbols, and comfort criteria for embedded radiant
heating and cooling systems.

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This document establishes a system design and dimensioning method to ensure the heating and cooling
capacity of the radiant heating and cooling systems.

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This document allows the calculation of peak cooling capacity of Thermo Active Building Systems
(TABS), based on heat gains, such as solar gains, internal heat gains, and ventilation, and the calculation
of the cooling power demand on the water side, to be used to size the cooling system, as regards the
chiller size, fluid flow rate, etc.
This document defines a detailed method aimed at the calculation of heating and cooling capacity in
non-steady state conditions.

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This European Standard applies to water based heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled. Part 5 of this standard deals with the recalculation of values determined in Part 2 of this European Standard for the system in question, using it for floor heating applications. The recalculation method described in this part of the standard enables the conversion of the calculation and test results of Part 2 into results for other surface orientations in the room, i. e. for ceiling and wall heating, as well as for the application as cooling surfaces, i. e. for floor, ceiling and wall cooling. It has to be emphasised that the test results of Part 2 of this European Standard are the basis of all calculation. Therefore the use of this prove method is necessary whether or not the system in question is used for heating or cooling application.
This European Standard shall be applied to commercial trade and practical engineering if proved and certifiable values of the thermal output shall be used.

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This European Standard applies to heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled.
This document deals with the use in practical engineering of the results coming from part 2 and 5 and is applicable to floor-, ceiling- and wall heating systems, as well floor-, ceiling- and wall cooling systems.
For heating systems, physiological limitations are taken into account when specifying the surface temperatures. In the case of floor heating systems the limitations are realised by a design based on the characteristic curves and limit curves determined in accordance with part 2 of this Standard.
For cooling systems, only a limitation with respect to the dew point is taken into account. In predominating practice, this means that physiological limitations are included as well.

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This European Standard is applicable to water based surface embedded heating and cooling systems in residential, office and other buildings, the use of which corresponds to or is similar to that of residential buildings.
This European Standard applies to heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled.
It also applies as appropriate to the use of other heating media instead of water.

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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;
(...)

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This European Standard applies to heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled.
This document specifies uniform requirements for the design and the construction of heating and cooling floor, ceiling and wall structures to ensure that the heating/cooling systems are suited to the particular application.
The requirements specified by this Standard apply only to the components of the heating/cooling systems which are part of the heating/cooling system. This document excludes all other elements which are not part of the heating/cooling system.

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This European Standard specifies the boundary conditions and the prove methods for the determination of the thermal output of hot water floor heating systems as a function of the temperature difference between the heating medium and the room temperature.
This standard shall be applied to commercial trade and practical engineering if proved and certifiable values of the thermal output shall be used.
This European Standard applies to heating and cooling systems embedded into the enclosure surfaces of the room to be heated or to be cooled. This Part of this European Standard applies to hot water floor heating systems. Applying of Part 5 of this European Standard requires the prior use of this Part of this European Standard. Part 5 of this European Standard deals with the conversion of the thermal output of floor heating systems determined in Part 2 into the thermal output of heating surfaces embedded in walls and ceilings as well as into the thermal output of cooling surfaces embedded in floors, walls and ceilings.
The thermal output is proved by a calculation method (Clause 6) and by a test method (Clause 9). The calculation method is applicable to systems corresponding to the definitions in EN 1264 1 (type A, type B, type C, type D). For systems not corresponding to these definitions, the test method shall be used. The calculation method and the test method are consistent with each other and provide correlating and adequate prove results.
The prove results, expressed depending on further parameters, are the standard specific thermal output and the associated standard temperature difference between the heating medium and the room temperature as well as fields of characteristic curves showing the relationship between the specific thermal output and the temperature difference between the heating medium and the room.

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This European Standard applies to electrical underfloor heating of dwellings and all other buildings whose use corresponds to dwellings or is at least similar, having a maximum load bearing in use of 4 kN/m².  This European Standard defines the main characteristics of electrical underfloor heating and establishes the method of testing of these characteristics as information for the user. This European Standard does not deal with: -   installation and safety requirements; DIN VDE 0100-723.

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This European Standard specifies definitions, requirements and test methods for thermostatic radiator valves (referred to hereafter as thermostatic valves).
This standard applies to two port thermostatic valves with or without pre-setting facility for fitting to radiators in wet central heating installations up to a water temperature of 120 °C and a nominal pressure of PN 10.
This standard further specifies the dimensions, the materials and the connection details of four series of straight and angle pattern thermostatic radiator valves of nominal pressure  inferior or equal to PN 10.
This standard can be used as reference in a CEN/CENELEC Certification Mark System on thermostatic radiator valves.

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This document specifies requirements and test methods for fittings of factory made thermally insulated bonded twin pipe assemblies for hot water networks in accordance with prEN 13941-1, comprising two steel service fittings and/or valves, rigid polyurethane foam insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: Measuring wires, spacers and diffusion barriers.
This document covers the following assemblies:
-   fittings: bends, T-pieces, reducers and anchors;
-   valves constructions.
This document applies to fitting and valve assemblies with a minimum design pressure of 16 bar (overpressure).

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This document specifies requirements and test methods for straight lengths of factory made thermally insulated bonded twin pipe assemblies for directly buried hot water networks in accordance with prEN 13941-1, comprising two steel service pipes, rigid polyurethane foam insulation and one casing of polyethylene.
The pipe assembly can also include the following additional elements: Measuring wires, spacers and diffusion barriers.

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This document specifies definitions, requirements and test methods for thermostatic radiator valves referred to hereafter as thermostatic valves.
This standard applies to two port thermostatic valves with or without pre-setting facility and thermostatic integrated valves with or without pre-setting facility for fitting to radiators in wet central heating installations up to a water temperature of 120 °C and a nominal pressure of PN 10.
This standard further specifies the dimensions, the materials and the connection details of four series of straight and angle pattern thermostatic radiator valves of nominal pressure ≤ PN 10.
This standard can be used as reference in a CEN/CENELEC Certification Mark System on thermostatic radiator valves.

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This document is composed of two parts.
The first part supplements EN 303-1, EN 303-2, EN 303-4 and EN 304, hereafter called boiler standards. It specifies the supplementary requirements and tests for the construction, safety, rational use of energy, fitness for purpose, classification and marking related to the domestic hot water operation of oil-fired water heaters and combination boilers.
The domestic hot water is produced on either the instantaneous or storage principle. The domestic hot water production is integrated or coupled, the whole being marketed as a single unit.
The second part covers the energy performance of domestic hot water production of the appliances covered by the first part.
This second part sets out a method for assessing the energy performance of the appliances. It defines a number of daily tapping cycles for each domestic hot water use such as kitchen, shower, bath and a combination of these, together with corresponding test procedures, enabling the energy performances of combination boilers and water heaters to be compared and matched to the needs of the user.
The heat output of the appliances covered by this standard does not exceed 400 kW.
In the case of combination boilers, with or without storage tank, domestic hot water production is integrated or coupled, the whole being marketed as a single unit.
This standard only covers type testing.

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This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried hot water networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPa. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks consists of two parts:
a)   prEN 13941-1: Design;
b)   prEN 13941-2: Installation.
The requirements and stipulations in this part: EN 13941-1, form an unbreakable unity with those of prEN 13941-2. This part shall therefore exclusively be used in combination with prEN 13941-2.
The principles of the standard may be applied to thermal insulated pipe systems with pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
Adjacent pipes, not buried, but belonging to the network (e. g. pipes in ducts, valve chambers, road crossings above ground etc.) may be designed and installed according to this standard.
This standard presupposes the use of treated water, which by softening, demineralisation, de-aeration, adding of chemicals, or otherwise has been treated to effectively prevent internal corrosion and deposits in the pipes.
NOTE   For further information on water qualities to be used in district heating pipe systems see also [1].
This standard is not applicable for such units as:
a)   pumps;
b)   heat exchangers;
c)   boilers, tanks;
d)   systems behind domestic substations.

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This European Standard specifies requirements for design, calculation and installation of factory made thermal insulated bonded single and twin pipe systems for directly buried networks for continuous operation with treated hot water at various temperatures up to 120 ºC and occasionally with peak temperatures up to 140 ºC and maximum internal pressure 2,5 MPA. Flexible pipe systems according to EN 15632 are not under the scope of this standard.
The standard EN 13941, Design and installation of thermal insulated bonded single and twin pipe systems for directly buried hot water networks consists of two parts:
a)   EN 13941-1: Design;
b)   EN 13941-2: Installation.
The requirements and stipulations in this part: prEN 13941-2, form an unbreakable unity with those of prEN 13941-1. This part shall therefore exclusively be used in combination with prEN 13941-1.
The principles of the standard may be applied to thermal insulated pipe systems with pressures higher than 2,5 MPa, provided that special attention is paid to the effects of pressure.
Adjacent pipes, not buried, but belonging to the network (e. g. pipes in ducts, valve chambers, road crossings above ground etc.) may be designed and installed according to this standard.
This standard presupposes the use of treated water, which by softening, demineralisation, de-aeration, adding of chemicals, or otherwise has been treated to effectively prevent internal corrosion and deposits in the pipes.
This standard is not applicable for such units as:
a)   pumps;
b)   heat exchangers;
c)   boilers, tanks;
d)   systems behind domestic substations.

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IEC 60335-2-51:2019 is available as IEC 60335-2-51:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 60335-2-51:2019 deals with the safety of electric stationary circulation pumps for household and similar purposes intended for use in heating systems or in service water systems, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. The hydraulic and electrical parts of the pump can be in the same enclosure, so that the water flows through the motor and serves as a coolant, or they can be separated. Appliances not intended for normal household use, but that nevertheless may be a source of danger to the public, such as appliances intended to be used by laymen in shops, in light industry and on farms, are within the scope of this standard. As far as is practicable, this standard deals with the common hazards presented by appliances that are encountered by all persons in and around the home. However, in general, it does not take into account
– persons (including children) whose physical, sensory or mental capabilities; or lack of experience and knowledge prevents them from using the appliance safely without supervision or instruction;
– children playing with the appliance.
Attention is drawn to the fact that:
– for appliances intended to be used in vehicles or on board ships or aircraft, additional requirements can be necessary;
– in many countries additional requirements are specified by the national health authorities, the national authorities responsible for the protection of labour and similar authorities.
This standard does not apply to:
– pumps for circulating liquids other than water;
– pumps, other than circulation pumps (IEC 60335-2-41);
– circulation pumps intended exclusively for industrial purposes;
– circulation pumps intended to be used in locations where special conditions prevail, such as the presence of a corrosive or explosive atmosphere (dust, vapour, or gas).
This fourth edition cancels and replaces the third edition published in 2002, Amendment 1:2008 and Amendment 2:2011. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous edition:
– some instructions are no longer required (7.12);
– converted some notes to normative text (7.12.1, 11.3, 11.8);
– new instructions for installation of thermal insulation (7.12.1);
– the leakage current value is modified (Clause A.2).
This part 2 is to be used in conjunction with the latest edition of IEC 60335-1 and its amendments. It was established on the basis of the fifth edition (2010) of that standard.

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This European Standard specifies requirements relating to the design, manufacture, construction, performance (efficiency and emission), safety, instructions and marking together with associated test methods and test fuels for type testing residential independent boilers fired by solid fuel.
This standard is applicable to hand and automatically fired appliances having nominal heat outputs up to 50 kW, the primary function of which is to provide hot water for central heating and/or domestic use, and which are designed for use only with open vented systems at a working pressure not exceeding 2 bar. In addition to their primary function of providing hot water these appliances also provide space heating to the place of installation. These appliances may burn either solid mineral fuels, peat briquettes or natural or manufactured wood logs or be multi-fuel in accordance with the appliance manufacturer's instructions.
This standard is not applicable to independent boilers for hot water only production and having heat outputs of less than 5 kW.
This standard is also not applicable to the design and construction of automatic stoking devices.

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This European Standard specifies requirements on durability, reliability and safety of small and large custom built solar heating and cooling systems with liquid heat transfer medium in the collector loop for residential buildings and similar applications.
This document also contains requirements on the design process of large custom built systems.

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This European Standard specifies test methods for the performance characterization of stores which are intended for use in small custom built systems as specified in EN 12977-1.
Stores tested according to this document are commonly used in solar combisystems. However, the thermal performance of all other thermal stores with water as a storage medium (e.g. for heat pump systems) can be also assessed according to the test methods specified in this document.
This document applies to combistores with a nominal volume up to 3 000 l and without integrated burner.
NOTE   This document is extensively based on references to EN 12977-3:2012.

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This European Standard applies to small and large custom built solar heating systems with liquid heat transfer medium for residential buildings and similar applications, and gives test methods for verification of the requirements specified in EN 12977-1.
This document also includes a method for thermal performance characterization and system performance prediction of small custom built systems by means of component testing and system simulation.
Furthermore, this document contains methods for thermal performance characterization and system performance prediction of large custom built systems.
This document applies to the following types of small custom built solar heating systems:
- systems for domestic hot water preparation only;
- systems for space heating only;
- systems for domestic hot water preparation and space heating;
- others (e.g. including cooling).
This document applies to large custom built solar heating systems, primarily to solar preheat systems, with one or more storage vessels, heat exchangers, piping and automatic controls and with collector array(s) with forced circulation of fluid in the collector loop.
This document does not apply to
- systems with a store medium other than water (e.g. phase- change materials),
- thermosiphon systems,
- integral collector-storage (ICS) systems.

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This European Standard specifies performance test methods for control equipment. Furthermore, this document contains requirements on accuracy, durability and reliability of control equipment.
The tests described in this document are limited to electrically activated components delivered with or for the system by the final supplier. For the purposes of this document controller and control equipment for solar heating systems and auxiliary heaters, if part of the system, are restricted to the following:
a)   Controllers as:
1)   system clocks, timers and counters;
2)   differential thermostats;
3)   multi-function controllers.
b)   Sensors as:
1)   temperature sensors;
2)   irradiance sensors (for short wave radiation);
3)   pressure sensors;
4)   level sensors;
5)   flow meters;
6)   heat meters.
c)   Actuators as:
1)   pumps;
2)   solenoid and motor valves;
3)   relays.
d)   Combinations of controllers, sensors and actuators listed above.
An additional objective of the procedures described in this document is to verify control algorithms and, together with the accuracy of sensors, to determine control parameters. In addition to verifying the functioning of a controller, its equipment and actuators, the determined parameters may be used for numerical system simulations.
Typically, electrical anodes are not part of the control equipment and are not controlled by the control equipment. However, because they are electrical appliances, electrical anodes are included in this document.
This document is valid for control equipment of solar heating systems for the purpose of hot water preparation and/or space heating. If the solar system is connected to or part of a conventional heating system, the validity is extended to the entire system. In combination with the standards EN 12976-1, EN 12976-2 as well as EN 12977-1, EN 12977-2, EN 12977-3 and EN 12977-4, this document is valid for
e) factory made solar heating systems,
f) small custom built solar heating systems,
g) large custom built solar heating systems,
h)   auxiliary heater equipment used in connection with e), f) and g).

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This European Standard specifies test methods for the performance characterization of stores which are intended for use in small custom built systems as specified in EN 12977-1.
Stores tested according to this document are commonly used in solar hot water systems. However, the thermal performance of all other thermal stores with water as a storage medium can also be assessed according to the test methods specified in this document.
The document applies to stores with a nominal volume between 50 l and 3 000 l.
This document does not apply to combistores. Performance test methods for solar combistores are specified in EN 12977-4.

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This European Standard is applicable to residential solid fuel burning appliances.
This European Standard specifies requirements relating to the design, manufacture, construction, safety and performance (efficiency and emission) of appliances fired by solid fuel (hereafter referred to as appliance(s)) and provides instructions for them. Furthermore, it also gives provisions for the evaluation of conformity i.e. initial type testing (ITT) and factory production control (FPC) and marking of these appliances.
This European Standard also covers CO, NOx, OGC and particulate matter (PM / PME - see Annex F) emission test methods, however this European Standard does not contain any values for the limit on these emissions.
Appliances receiving combustion air through ductwork from outside the external envelope, which is not air tight, are not considered roomsealed.This European Standard is not applicable to appliances with boiler parts in contact with fire or flue gases other than when the boiler parts are manufactured from steel or cast iron.
This European Standard is not applicable to appliances with a boiler intended for water systems having
-   water temperatures above 110 °C and/or an operating pressure of more than 3 bar;
-   direct contact with sanitary hot water.
This European Standard does not cover appliances to be operated with ventilating systems which are intended to operate with pressure below - 15 Pa in the room of installation of the appliance in relation to the outside atmosphere.
This European Standard does not cover appliances intended to carry the load of a chimney.

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TC - Modification to A.6.2.1.1

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The standard is applicable to hand and automatically fired appliances having nominal heat outputs up to 50 kW, the primary function of which is to provide hot water for central heating and/or domestic use, and which are designed for use only with open vented systems at a working pressure not exceeding 2 bar. In addition to their primary function of providing hot water these appliances also provide space heating to the place of installation. These appliances may burn naturally occurring or manufactured solid mineral fuels, peat briquettes, natural or manufactured wood logs and biomass based products which are in the form of an identifiable consistent product or be multi-fuel in accordance with the appliance manufacturer's instructions.

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This European Standard specifies requirements relating to the design, manufacture, construction, performance (efficiency and emission), safety, instructions and marking together with associated test methods and test fuels for type testing residential independent boilers fired by solid fuel.
This standard is applicable to hand and automatically fired appliances having nominal heat outputs up to 50 kW, the primary function of which is to provide hot water for central heating and/or domestic use, and which are designed for use only with open vented systems at a working pressure not exceeding 2 bar. In addition to their primary function of providing hot water these appliances also provide space heating to the place of installation. These appliances may burn either solid mineral fuels, peat briquettes or natural or manufactured wood logs or be multi-fuel in accordance with the appliance manufacturer's instructions.
This standard is not applicable to independent boilers for hot water only production and having heat outputs of less than 5 kW.
This standard is also not applicable to the design and construction of automatic stoking devices.

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This Technical Report (CEN/TR 15316-6-6) specifies details for EN 15316-4-3 and gives additional information for the application of EN 15316-4-3.

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The standard (prEN 15316-4-3) specifies  the:
-   required inputs;
-   calculation method;
-   required and resulting outputs,
for heat generation systems, thermal solar systems ( for space heating, domestic hot water production and the combination of both) and for photovoltaic systems applied in buildings.
Within this standard 6 methods are specified each method has its own range of applicability.
-   Method 1,
is applicable for solar domestic hot water systems characterized by EN 12976 (factory made) or EN 12977 2 (custom built).
The main output of the method is the solar heat and back up heat contribution to the requested heat use.
-   Method 2,
is applicable for systems for domestic hot water and / or space heating with components characterized by EN 12975-2 and EN12977-3 or EN12977-4 with a monthly calculation time step.
The main output of the method is the solar heat and back up heat contribution to the requested heat use.
-   Method 3,
is applicable for systems for domestic hot water and / or space heating with components characterized by EN 12975-2 with an hourly calculation time step.
The main output of the method is collector loop heat supplied to the heat storage.
-   Method 4,
is applicable for photovoltaic systems with components characterized by standards and with an annual calculation time step.
The output of the method is the produced electricity.
-   Method 5,
is applicable for photovoltaic systems with components characterized by standards and with a monthly calculation time step.
The output of the method is the produced electricity.
-   Method 6,
is applicable for photovoltaic systems with components characterized by standards and with a calculation time step.
The output of the method is the produced electricity.
These three last calculation methods do not take into account:
-   electrical storage;
-   PV/thermal photovoltaic systems.
Primary energy savings and CO2 savings, which can be achieved by photovoltaic systems compared to other systems, are calculated according to prEN 15603.
NOTE   Standards linked to the methods are listed in Annex C.

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This standard deals with procedures for the assessment of electricity generation within the direct building environment through wind power systems. The wind power systems described in this document are small plants as they may occur in domestic production and use of electricity in connection with buildings. This standard covers wind generation power systems ≤ 75 kW.

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This Technical Report (CEN/TR 15316-6-9) specifies details for EN 15316-4-8 and gives additional information for the application of EN 15316-4-8.

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This Technical Report (CEN/TR 15316-6-8) specifies details for EN 15316-4-5 and gives additional information for the application of EN 15316-4-5.

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This Technical Report (CEN/TR 15316-6-4) specifies details for EN 15316-4-1 and gives additional information for the application of EN 15316-4-1.

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This Technical Report (CEN/TR 15316-6-5) specifies details for EN 15316-4-2 and gives additional information for the application of EN 15316-4-2.

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This European Standard is part of a series of standards on the method for calculation of system energy requirements and system efficiencies of space heating systems and domestic hot water systems.
This standard (prEN 15316-4-1) specifies:
-   required inputs;
-   a calculation method;
-   resulting outputs;
-   a method to take into account the energy performance of heat generation devices based on fuel combustion.
for space heating generation by combustion sub-systems (boilers, biomass), including control.
This standard also specifies methods for the calculation of:
-   thermal losses from the domestic hot water generation system;
-   recoverable thermal losses for space heating from the domestic hot water generation system;
-   auxiliary energy of the domestic hot water generation systems.
This standard specifies the energy performance calculation of water based heat generation sub-systems including control based on combustion of fuels ("boilers"), operating with conventional fossil fuels as well as renewable fuels. This standard does not cover sizing or inspection of boilers.
This standard is also applicable to heat generators for heating or for combined service as domestic hot water, ventilation, cooling and heating. Generators for domestic hot water only are taken into account into part M8-8.
This European Standard is the general standard on generation by combustion sub-systems (boilers, biomass) and is also intended for generation for domestic hot water production and/or space heating. These values are input data for calculation of the overall energy use according to prEN 15603 and prEN 15316-1.

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This standard defines a method for the performance assessment of building-integrated cogeneration units by the calculation of the electricity production, thermal output and recoverable losses. Such units are commonly known as micro or small scale cogeneration, or micro or small scale CHP.
This standard deals with heat generators for heating or for combined domestic hot water and heating services.
The calculation is based on the performance characteristics of the units, defined in product standards, and on operation conditions such the needed heat output.

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This standard defines the determination of energy indicators of district energy systems. District energy systems may be district heating, district cooling or other district energy carriers.

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This Technical Report (CEN/TR 15316-6-7) specifies details for EN 15316-4-4 and gives additional information for the application of EN 15316-4-4.

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This standard is part of a series of standards on the method for calculation of system energy requirements and system efficiencies.
The scope of this specific part is to standardise the:
-   required inputs;
-   calculation method;
-   resulting outputs,
for space heating generation by:
-   air heating systems, including control;
-   overhead radiant heating systems for non-domestic use, including control; and
-   stoves.
This standard does not apply to heating systems that utilise water as a heat transfer medium.
Other heat generation systems such as boilers, heat pumps and others are covered in other sub modules of part M3 8.

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The standard covers heat pumps for space heating, heat pump water heaters (HPWH) and heat pumps with combined space heating and domestic hot water production in alternate or simultaneous operation, where the same heat pump delivers the heat to cover the space heating and domestic hot water heat requirement.
The standard provides a calculation method under steady conditions that corresponds to one calculation step.
The results of this calculation are incorporated in larger building models and take in account the influence of the external conditions and building control that influence the energy requirements for heating supplied by the heat pump system.
The scope of this part is to standardise the:
-   required inputs;
-   calculation methods;
-   required outputs
for output thermal power generation for space heating and domestic hot water production of the following heat pump systems, including control:
-   electrically-driven vapour compression cycle (VCC) heat pumps;
-   combustion engine-driven vapour compression cycle heat pumps;
-   thermally-driven vapour absorption cycle (VAC) heat pumps,
using combinations of heat source and heat distribution listed in Table 1.
This standard does not cover sizing or inspection of heat pumps.
This standard deals with heat generators for heating or for combined domestic hot water and heating service. Generators for domestic hot water only are taken into account into module M8-8.
NOTE 1   Heat pumps generators for cooling systems are taken into account into module M4-8.
NOTE 2   Heat pumps generators for space heating using air (distribution) are taken into account in module M5-8.
Other generation systems such as boilers are covered in other sub modules of part M3-8.
This is the revision of EN 15316-4-2:2008. The revision covers the adaptation of the standard to hourly and monthly energy calculation.

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This Technical Report (CEN/TR 15316-6-3) specifies details for EN 15316-3 and gives additional information for the application of EN 15316-3.

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This standard covers methods for the calculation of the design heat load for single rooms, building entities and buildings, where the design heat load is defined as the heat supply (wattage) needed to maintain the required internal design temperature under design external conditions.

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