This European Standard specifies the requirements and test methods for the construction, safety, fitness
for purpose, rational use of energy and the marking of a micro combined heat and power appliance;
(hereafter referred to as “mCHP appliance”).
This European Standard applies to mCHP appliances of types B22, B23, B32, B33, B52, B53, C1, C3, C42, C43
C52, C53, C62, C63, C82, C83 and C9 based on the classifications of CEN/TR 1749:
– that use one or more supplied gases of the three gas families at the pressures stated in EN 437,
– where the temperature of the heat transfer fluid of the heating system (heating water circuit) does
not exceed 105 ºC during normal operation,
– where the maximum operating pressure in the
- heating water circuit does not exceed 6 bar,
- domestic hot water circuit (if installed) does not exceed 10 bar,
– which are either intended to be installed indoors or outdoors in a partially protected place,
– which are intended to produce hot water either by the instantaneous or storage principle,
– which have a maximum heat input (based on net calorific value) not exceeding 70 kW,
– which are designed for sealed or open water systems.
NOTE 1 For applications where the maximum allowable water temperature exceeds 110 ºC or where volume multiplied by
maximum allowable pressure exceeds 50 bar litres, further requirements may be necessary to comply with the essential
requirements of Directive 97/23/EC (Pressure Equipment Directive (PED)).
NOTE 2 For mCHP appliances with constructions that might not be fully covered by this European Standard or by another specific
standard, the risk associated with the alternative construction will be assessed.
NOTE 3 prEN 13203-4 will specify the assessment of energy consumption for domestic hot water production of gas combined
heat and power appliances (mCHP).
This European Standard does not contain the requirements necessary for appliance capable of producing
electrical energy without using the thermal energy.
This European Standard does not cover all the requirements for mCHP 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).

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This European Standard applies for decorative fireplaces/appliances for domestic use, producing a flame using alcohol, hereafter referred to as fuel, in liquid or gelatinous fuel for decoration.
NOTE 1   The requirements are strictly applied even when used in other areas. Outside the private household and outdoor area can apply more or different rules on the use of the appliances.
This European Standard applies to free-standing, wall-mounted and built-in appliances with a maximum power output of 4,5 kW.
This European Standard applies for appliances ready for use, whose burner is of one unit or are an integral component of the appliances but not for appliances with a fuel tank separate from the appliance.
This European Standard does not apply for appliances specifically designed for heating food or keeping food warm (rechauds), as well as for appliances for use in boats, caravans, other vehicles or outdoor areas.
This European Standard does not apply for appliances with a power output higher than 4,5 kW or with a defined heating function.
NOTE 2   National regulation may restrict the power output to less than 4,5 kW.

  • Standard
    34 pages
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This European Standard specifies the requirements and test methods for the construction, safety, fitness
for purpose, rational use of energy and the marking of a micro combined heat and power appliance;
(hereafter referred to as “mCHP appliance”).
This European Standard applies to mCHP appliances of types B22, B23, B32, B33, B52, B53, C1, C3, C42, C43
C52, C53, C62, C63, C82, C83 and C9 based on the classifications of CEN/TR 1749:
– that use one or more supplied gases of the three gas families at the pressures stated in EN 437,
– where the temperature of the heat transfer fluid of the heating system (heating water circuit) does
not exceed 105 ºC during normal operation,
– where the maximum operating pressure in the
- heating water circuit does not exceed 6 bar,
- domestic hot water circuit (if installed) does not exceed 10 bar,
– which are either intended to be installed indoors or outdoors in a partially protected place,
– which are intended to produce hot water either by the instantaneous or storage principle,
– which have a maximum heat input (based on net calorific value) not exceeding 70 kW,
– which are designed for sealed or open water systems.
NOTE 1 For applications where the maximum allowable water temperature exceeds 110 ºC or where volume multiplied by
maximum allowable pressure exceeds 50 bar litres, further requirements may be necessary to comply with the essential
requirements of Directive 97/23/EC (Pressure Equipment Directive (PED)).
NOTE 2 For mCHP appliances with constructions that might not be fully covered by this European Standard or by another specific
standard, the risk associated with the alternative construction will be assessed.
NOTE 3 prEN 13203-4 will specify the assessment of energy consumption for domestic hot water production of gas combined
heat and power appliances (mCHP).
This European Standard does not contain the requirements necessary for appliance capable of producing
electrical energy without using the thermal energy.
This European Standard does not cover all the requirements for mCHP 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).

  • Standard
    170 pages
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This European Standard specifies the requirements and test methods for the construction, safety, fitness for purpose, rational use of energy and the marking of a micro combined heat and power appliance; (hereafter referred to as “mCHP appliance”). This European Standard applies to mCHP appliances of types B22, B23, B32, B33, B52, B53, C1, C3, C42, C43 C52, C53, C62, C63, C82, C83 and C9 based on the classifications of CEN/TR 1749: – that use one or more supplied gases of the three gas families at the pressures stated in EN 437, – where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 ºC during normal operation, – where the maximum operating pressure in the - heating water circuit does not exceed 6 bar, - domestic hot water circuit (if installed) does not exceed 10 bar, – which are either intended to be installed indoors or outdoors in a partially protected place, – which are intended to produce hot water either by the instantaneous or storage principle, – which have a maximum heat input (based on net calorific value) not exceeding 70 kW, – which are designed for sealed or open water systems. NOTE 1 For applications where the maximum allowable water temperature exceeds 110 ºC or where volume multiplied by maximum allowable pressure exceeds 50 bar litres, further requirements may be necessary to comply with the essential requirements of Directive 97/23/EC (Pressure Equipment Directive (PED)). NOTE 2 For mCHP appliances with constructions that might not be fully covered by this European Standard or by another specific standard, the risk associated with the alternative construction will be assessed. NOTE 3 This EN includes formulae and methods intended to produce values required by implementation measures of the ErP Directive 2009/125/EC and Labelling Directive 2010/30/EU. NOTE 4 EN 13203-4 will specify the assessment of energy consumption for domestic hot water production of gas combined heat and power appliances (mCHP). This European Standard does not contain the requirements necessary for appliance capable of producing electrical energy without using the thermal energy. This European Standard does not cover all the requirements for mCHP 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).

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ISO 9459-4:2013 specifies a method of evaluating the annual energy performance of solar water heaters using a combination of test results for component performance and a mathematical model to determine an annual load cycle task performance under specified weather and load conditions. The procedure is applicable to solar water heaters with integral backup or preheating into a conventional storage or instantaneous water heater and to integral collector storage water heaters. System operating requirements specified in ISO 9459-4:2013 are for the purpose of determining an annual performance rating for domestic water heaters. There are no product design or operation requirements in ISO 9459-4:2013.

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ISO 9459-5:2007 specifies a method for outdoor laboratory testing of solar domestic hot-water (SDHW) systems. The method may also be applied for in-situ tests, and also for indoor tests by specifying appropriate draw-off profiles and irradiance profiles for indoor measurements. The system performance is characterized by means of whole-system tests using a 'black-box' approach, i.e. no measurements on the system components or inside the system are necessary. Detailed instructions are given on the measurement procedure, on processing and analysis of the measurement data, and on presentation of the test report.

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    35 pages
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Describes test procedures for characterizing the performance of solar domestic water heating systems operated without auxiliary boosting and for predicting annual performance in any given climatic and operating conditions.Suitable for testing all types of systems including forced circulation, thermosiphon, freon-charged collektor systems.

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    61 pages
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Establishes a uniform indoor test method for rating solar domestic water heating systems for thermal performance. Applies only to solar water heating systems designed solely to heat potable water to be supplied for domestic water usage. The test procedures described are applicable to systems of solar storage capacity of 0,6 m^3 or less.

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This Technical Report provides a discussion of the parameters that have a bearing on the internal corrosion of solar water heating systems. The following topics are not dealt with: problems of compatibility between polymeric materials (plastics and rubber) and fluids; corrosion risks concerning the enclosure and the external surface of the absorber; safety and health questions.

  • Technical report
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  • Technical report
    5 pages
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  • Technical report
    5 pages
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This European Standard applies for decorative fireplaces/appliances for domestic use, producing a flame using alcohol, hereafter referred to as fuel, in liquid or gelatinous fuel for decoration.
NOTE 1   The requirements are strictly applied even when used in other areas. Outside the private household and outdoor area can apply more or different rules on the use of the appliances.
This European Standard applies to free-standing, wall-mounted and built-in appliances with a maximum power output of 4,5 kW.
This European Standard applies for appliances ready for use, whose burner is of one unit or are an integral component of the appliances but not for appliances with a fuel tank separate from the appliance.
This European Standard does not apply for appliances specifically designed for heating food or keeping food warm (rechauds), as well as for appliances for use in boats, caravans, other vehicles or outdoor areas.
This European Standard does not apply for appliances with a power output higher than 4,5 kW or with a defined heating function.
NOTE 2   National regulation may restrict the power output to less than 4,5 kW.

  • Amendment
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This European Standard applies to the construction, the safety, the functional requirements and the test methods, as well as the classification and the marking of a fuel cell gas heating appliance, which will be operated predominantly heat followed, meeting the following boundary conditions: – maximum heat load (gas input): 70 kW – maximum electrical output: 11 kW. NOTE Due to the fact, that there are national deviations on the maximum electrical output in Europe, this maximum electrical output is independent referring the number of connected phases to the public low voltage grid. – fuel: combustion gas in accordance with EN 437 – maximum heating water temperature: 95 °C (under normal operational conditions) – process pressures in the fuel cell gas appliance: – heating water: max. 6 bar – domestic hot water (if installed): max. 10 bar – device construction: According to the expositions in accordance with CEN/TR 1749, EN 483 or EN 297 (B22, B23, B32, B33, C12, C13, C32, C33, C42, C43, C52, C53, C62, C63, C82, C83) ). This European Standard applies to type testing only. This European Standard does not contain the requirements necessary for appliances for producing electrical energy without thermal energy.

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Gives test procedures for characterizing the performance of solar domestic water heating systems and for predicting annual performance under climatic conditions. Applies to solar domestic water heating systems designed to heat potable water. It is not applicable to concentrating systems.

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Gives recommendations for the design, installation and commissioning of solar heating systems for swimming pools, using direct circulation of pool water to the solar collectors. Does not include electrical safety requirements and does not deal with the pool filtration systems.

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