TS EN 12309-1
Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW – Part 1: Terms and definitions
1.1 Scope of EN 12309 Appliances covered by this document include one or a combination of the following: – gas-fired sorption chiller; – gas-fired sorption chiller/heater; – gas-fired sorption heat pump; – hybrids based on gas sorption appliances. This document applies to appliances designed to be used for space heating or cooling or refrigeration with or without heat recovery. This document applies to appliances having flue gas systems of type B and C (according to EN 1749) and to appliances designed for outdoor installations. EN 12309 does not apply to air conditioners, it only applies to appliances having: – integral burners under the control of fully automatic burner control systems, – closed system refrigerant circuits in which the refrigerant does not come into direct contact with the water or air to be cooled or heated, – mechanical means to assist transportation of the combustion air and/or the flue gas. The above appliances can have one or more primary or secondary functions (i.e. heat recovery). In the case of packaged units (consisting of several parts), this standard applies only to those designed and supplied as a complete package. The appliances having their condenser cooled by air and by the evaporation of external additional water are not covered by EN 12309. Installations used for heating and/or cooling of industrial processes are not within the scope of EN 12309. All the symbols given in this text are used regardless of the language used. 1.2 Scope of this Part 1 of EN 12309 This part of this document specifies the terms and definitions for gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW.
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About This Item
TS EN 12309-1 sets out the terms and definitions used for gas-fired sorption appliances for heating and/or cooling. It provides a common vocabulary for appliances with a net heat input not exceeding 70 kW, helping manufacturers, designers and specifiers describe the technology in a consistent way across documentation and technical discussion.
Appliance families covered by the vocabulary
This part brings together the terminology for gas-fired sorption chillers, chiller/heaters, heat pumps and hybrid systems based on gas sorption appliances. In general technical context, sorption systems differ from conventional vapour-compression equipment because they use heat-driven adsorption or absorption processes to create cooling and/or heating effects. The document also addresses concepts linked to space heating, cooling, refrigeration and, where relevant, heat recovery.
Document boundaries and exclusions
- Air conditioners are excluded from the scope.
- The vocabulary applies to appliances with type B and type C flue gas systems and to units intended for outdoor installation.
- It refers to appliances with integral burners controlled by fully automatic burner control systems.
- It applies to closed refrigerant circuits in which the refrigerant does not come into direct contact with the water or air to be conditioned.
- Installations used for heating and/or cooling industrial processes are outside the scope.
- For packaged units made up of several parts, only units designed and supplied as a complete package are covered.
This part is a terminology and definitions standard rather than a performance or test-method document. Its practical value lies in aligning the meaning of technical terms so that the same appliance class is described consistently in product literature, engineering communication and related standards work.
- Publication Date: 5.07.2023
- Standard Status: U (Yürürlükteki Standard/Standard)
- Publisher: TSE
- Document Language: en
- ICS Classification: 01.040.27 Enerji ve Isı Transfer Mühendisliği (Terimler); 01.040.91 Yapı Malzemeleri ve Yapılar (Terimler); 27.080 Isı Pompaları; 91.140.30 Havalandırma ve Klima Sistemleri
- Pages: 36
- Source Standard: EN 12309-1:2023
- International Equivalents: EN 12309-1-EQV
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