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.

Gasbefeuerte Sorptions-Geräte für Heizung und/oder Kühlung mit einer Nennwärmebelastung nicht über 70 kW - Teil 1: Begriffe

1.1   Anwendungsbereich von EN 12309
Geräte nach diesem Dokument beinhalten eine oder eine Kombination der folgenden Funktionen:
—   gasbefeuertes Sorptionskühlgerät;
—   gasbefeuertes Sorptionskühl /-heizgerät;
—   gasbefeuerte Sorptionswärmepumpe;
—   Hybridanlagen basierend auf Gassorptionsgeräten.
Dieses Dokument gilt für Geräte, die für die Nutzung zur Raumheizung oder  kühlung oder Kälteerzeugung mit oder ohne Wärmerückgewinnung ausgelegt sind.
Dieses Dokument gilt für Geräte mit Abgassystemen der Bauarten B und C (nach EN 1749) sowie für Geräte zur Aufstellung im Freien. EN 12309 gilt nicht für Klimaanlagen, sondern ausschließlich für Geräte mit:
—   integrierten Brennern, gesteuert mittels Feuerungsautomaten;
—   geschlossenen Kühlkreislaufsystemen, in denen das Kühlmittel nicht direkt mit dem zu kühlenden oder zu erwärmenden Wasser oder der zu kühlenden oder zu erwärmenden Luft in Berührung kommt;
—   mechanischen Einrichtungen zur Unterstützung der Verbrennungsluft  und/oder Abgasabführung.
Die vorstehenden Geräte können eine oder mehrere Primär  oder Sekundärfunktion(en) haben (d. h. Wärmerückgewinnung).
Bei (aus mehreren Teilen bestehenden) Verpackungseinheiten gilt diese Norm nur, wenn diese als vollständige Baugruppe ausgelegt und geliefert werden.
Geräte, deren Kondensator mit Luft und durch die Verdampfung von zusätz¬lichem Wasser auf der Außenseite gekühlt wird, werden nicht von EN 12309 abgedeckt.
Anlagen für Heizung und/oder Kühlung industrieller Prozesse fallen nicht in den Anwendungsbereich von EN 12309.
Alle in diesem Text angegebenen Symbole werden unabhängig von der Sprache des Textes verwendet.
-   Hybridanlagen basierend auf Gassorptionsgeräten.
Dieses Dokument gilt für Geräte, die für die Nutzung zur Raumheizung oder  kühlung oder Kälteerzeugung mit oder ohne Wärmerückgewinnung ausgelegt sind.
Dieses Dokument gilt für Geräte mit Abgassystemen der Bauarten B und C (nach EN 1749) sowie für Geräte zur Aufstellung im Freien. EN 12309 gilt nicht für Klimaanlagen, sondern ausschließlich für Geräte mit:
-   integrierten Brennern, gesteuert mittels Feuerungsautomaten;
-   geschlossenen Kühlkreislaufsystemen, in denen das Kühlmittel nicht direkt mit dem zu kühlenden oder zu erwärmenden Wasser oder der zu kühlenden oder zu erwärmenden Luft in Berührung kommt;
-   mechanischen Einrichtungen zur Unterstützung der Verbrennungsluft  und/oder Abgasabführung.
Die vorstehenden Geräte können eine oder mehrere Primär  oder Sekundärfunktion(en) haben (d. h. Wärmerückgewinnung).
Bei (aus mehreren Teilen bestehenden) Verpackungseinheiten gilt diese Norm nur, wenn diese als vollstän¬dige Packung ausgelegt und geliefert werden.
EN 12309 behandelt nicht die Geräte, deren Kondensator mit Luft und durch die Verdampfung von zusätz-lichem Wasser auf der Außenseite gekühlt wird.
Anlagen für Heizung und/oder Kühlung industrieller Prozesse fallen nicht in den Anwendungsbereich von EN 12309.
Alle in diesem Text angegebenen Symbole werden unabhängig von der Sprache des Textes verwendet.
1.2   Anwendungsbereich dieses Teil 1 von EN 12309
Der vorliegende Teil dieses Dokumentes legt die Begriffe für gasbefeuerte Sorptionsgeräte für Heizung und/oder Kühlung mit einer Nennwärmebelastung nicht über 70 kW fest.

Appareils à sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de débit calorifique sur PCI inférieur ou égal à 70 kW - Partie 1 : Termes et définitions

1.1   Domaine d’application de l’EN 12309
Les appareils concernés par le présent document englobent les appareils suivants isolément ou en combinaison :
-   groupe refroidisseur à sorption fonctionnant au gaz ;
-   groupe refroidisseur réchauffeur à sorption fonctionnant au gaz ;
-   pompe à chaleur à sorption fonctionnant au gaz ;
-  appareils hybrides basés sur des appareils gaz à sorption.
Le présent document s’applique aux appareils conçus pour être utilisés pour le chauffage ou le refroidissement de locaux avec ou sans récupération de chaleur.
Le présent document s’applique aux appareils comportant des systèmes d’évacuation des gaz de combustion de types B et C (conformément à l’EN 1749) et aux appareils conçus pour les installations extérieures. L’EN 12309 ne s’applique pas aux climatiseurs, elle ne s’applique qu’aux appareils comportant :
-   des brûleurs intégrés sous le contrôle de systèmes de commande automatique ;
-   des circuits fermés de fluide frigorigène dans lesquels le fluide frigorigène n’est pas au contact de l’eau ou de l’air à refroidir ou à chauffer ;
-   des moyens mécaniques pour l’alimentation en air de combustion et/ou l’évacuation des produits de combustion.
Les appareils ci-dessus peuvent avoir une ou plusieurs fonctions principales ou additionnelles (par exemple : récupération de chaleur).
Dans le cas des appareils fournis prêts à l’emploi (constitués de plusieurs éléments), la présente norme ne s’applique qu’à ceux conçus et fournis sous forme d’ensemble complet.
L’EN 12309 ne couvre pas les appareils ayant leur condenseur refroidi par air et par évaporation d’eau d’un circuit supplémentaire externe.
L’EN 12309 ne s’applique pas aux installations utilisées pour le chauffage et/ou le refroidissement des procédés industriels.
Tous les symboles spécifiés dans le présent document sont utilisés, quelle que soit la langue utilisée.
1.2   Domaine d’application de la présente Partie 1 de l’EN 12309
La présente partie de ce document spécifie les termes et définitions pour les appareils à sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de débit calorifique sur PCI inférieur ou égal à 70 kW.

Absorpcijske in adsorpcijske plinske naprave za gretje in/ali hlajenje z grelno močjo do vključno 70 kW - 1. del: Izrazi in definicije

Naprave, zajete v tem evropskem standardu, vključujejo eno ali več kombinacij naslednjih elementov:
–   absorpcijske in adsorpcijske plinske naprave za hlajenje;
–   absorpcijske in adsorpcijske plinske naprave za hlajenje/gretje;
–   absorpcijske in adsorpcijske plinske toplotne črpalke.
Ta evropski standard se uporablja za naprave, ki so namenjene uporabi za segrevanje, ohlajanje ali hlajenje prostora z rekuperacijo toplote ali brez nje.
Ta evropski standard se uporablja za naprave z odpadnimi plini vrste B in C (v skladu s CEN/TR 1749) in naprave, namenjene zunanji namestitvi. EN 12309 se ne uporablja za klimatske naprave, uporablja se samo za naprave z:
–   integralnimi gorilniki s popolnoma avtomatskim sistemom kontrole,
–   hladilnimi tokokrogi z zaprtim sistemom, pri katerih hladilno sredstvo ne pride v neposreden stik z vodo ali zrakom, ki se ohlaja ali segreva,
–   mehaničnimi sredstvi za pomoč pri transportu zraka za gorenje in/ali odpadnega plina.
Zgornje naprave imajo lahko eno ali več primarnih ali sekundarnih funkcij (tj. rekuperacija toplote – glej opredelitve iz standarda prEN 12309 1:2012).
Pri pakiranih enotah (sestavljenih iz več kosov) se ta standard uporablja samo za tiste, ki so projektirane in dostavljene kot celoten paket.
EN 12309 ne zajema naprav, katerih kondenzator se hladi z zrakom in z izhlapevanjem zunanje dodatne vode.
Inštalacije, uporabljene za gretje in/ali hlajenje industrijskih procesov, niso zajete v standardu EN 12309.
Vsi simboli v tem besedilu naj bi se uporabljali ne glede na uporabljen jezik.
1.2   Področje uporabe tega 1. dela standarda EN 12309
Ta del tega evropskega standarda določa pogoje in opredelitve za absorpcijske in adsorpcijske plinske naprave za gretje in/ali hlajenje z grelno močjo do vključno 70 kW.

General Information

Status
Published
Publication Date
06-Jun-2023
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Start Date
07-Jun-2023
Due Date
03-Jul-2023
Completion Date
07-Jun-2023

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SLOVENSKI STANDARD
01-oktober-2023
Nadomešča:
SIST EN 12309-1:2015
Absorpcijske in adsorpcijske plinske naprave za gretje in/ali hlajenje z grelno
močjo do vključno 70 kW - 1. del: Izrazi in definicije
Gas-fired sorption appliances for heating and/or cooling with a net heat input not
exceeding 70 kW - Part 1: Terms and definitions
Gasbefeuerte Sorptions-Geräte für Heizung und/oder Kühlung mit einer
Nennwärmebelastung nicht über 70 kW - Teil 1: Begriffe
Appareils à sorption fonctionnant au gaz pour le chauffage et/ou le refroidissement de
débit calorifique sur PCI inférieur ou égal à 70 kW - Partie 1 : Termes et définitions
Ta slovenski standard je istoveten z: EN 12309-1:2023
ICS:
01.040.27 Prenos energije in toplote Energy and heat transfer
(Slovarji) engineering (Vocabularies)
01.040.91 Gradbeni materiali in gradnja Construction materials and
(Slovarji) building (Vocabularies)
27.080 Toplotne črpalke Heat pumps
91.140.30 Prezračevalni in klimatski Ventilation and air-
sistemi conditioning systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 12309-1
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2023
EUROPÄISCHE NORM
ICS 01.040.27; 01.040.91; 27.080; 91.140.30 Supersedes EN 12309-1:2014
English Version
Gas-fired sorption appliances for heating and/or cooling
with a net heat input not exceeding 70 kW - Part 1: Terms
and definitions
Appareils à sorption fonctionnant au gaz pour le Gasbefeuerte Sorptions-Geräte für Heizung und/oder
chauffage et/ou le refroidissement de débit calorifique Kühlung mit einer Nennwärmebelastung nicht über 70
sur PCI inférieur ou égal à 70 kW - Partie 1 : Termes et kW - Teil 1: Begriffe
définitions
This European Standard was approved by CEN on 30 April 2023.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12309-1:2023 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 4
1.1 Scope of EN 12309 . 4
1.2 Scope of this Part 1 of EN 12309 . 4
2 Normative references . 4
3 Terms and definitions . 5
3.1 Appliance types . 5
3.2 Appliance components . 7
3.3 Combustion products circuit . 10
3.4 Adjusting, control and safety devices . 10
3.5 Operation of the appliance . 12
3.6 Gases . 15
3.7 Conditions of operation, measurement and calculations . 17
Bibliography . 30
Index . 31

European foreword
This document (EN 12309-1:2023) has been prepared by Technical Committee CEN/TC 299 “Gas-fired
sorption appliances, indirect fired sorption appliances, gas-fired endothermic engine heat pumps and
domestic gas-fired washing and drying appliances”, the secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by December 2023, and conflicting national standards shall
be withdrawn at the latest by December 2023.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
This document supersedes EN 12309-1:2014.
In comparison with the previous edition, the following technical modifications have been made:
terms and definitions used in the other parts have been added and existing terms and definitions have
been updated consistently to the other parts of this standard.
This standard comprises parts under the general title, Gas-fired sorption appliances for heating and/or
cooling with a net heat input not exceeding 70 kW. A list of all parts in a series can be found on the CEN
website.
These documents will be reviewed whenever new mandates could apply.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,
Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,
Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North
Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the United
Kingdom.
1 Scope
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.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1 Appliance types
3.1.1
appliance
assembly of various parts according to the installation instructions, if the appliance is supplied to the
market in multiple parts
Note 1 to entry: Accessories provided optionally are not to be included.
Note 2 to entry: Appliance may be supplied to be marketed in one or more than one part.
3.1.2
absorption
process in which molecules of the refrigerant are dissolved into a liquid
3.1.3
adsorption
process in which molecules of the refrigerant are held at the surface of a solid (possibly porous) structure
3.1.4
air-conditioner
encased assembly or assemblies designed as an appliance to provide delivery of conditioned air to an
enclosed space (room for instance) or zone
Note 1 to entry: The medium used for distribution of heating and/or cooling is exclusively air.
3.1.5
bivalent appliance
encased assembly or assemblies designed and packaged which is made up of components that can be
tested separately
3.1.6
chiller
encased assembly or assemblies designed as an appliance, whose primary function is delivery of cooling
only, and whose primary function is dependent on circulation of fluid (refrigerant and/or solution) within
the absorption, adsorption or refrigerant circuit(s)
3.1.7
chiller/heater
encased assembly or assemblies, whose primary function is delivery of cooling and/or heating and whose
primary function of cooling is dependent on circulation of fluid (refrigerant and/or solution) within the
absorption, adsorption or refrigerant circuit(s)
Note 1 to entry: The primary function of heating only uses directly or indirectly the energy delivered by the
combustion system.
3.1.8
closed system
system in which the fluid within the refrigerant circuit (e.g. water, ammonia, etc.) providing heating or
cooling does not come into contact with the surrounding air or the heat transfer medium (e.g. water,
brine, air)
3.1.9
condensing appliance
appliance in which, under normal operating conditions and at certain operating water temperatures, the
water vapour in the combustion products is partially condensed in order to make use of the latent heat
of this water vapour for heating and/or heat recovery purposes
3.1.10
continuous appliance
appliance where the four phases of the sorption cycle (i.e. sorption-desorption-condensation-
evaporation) are processed continuously
Note 1 to entry: According to this definition, each phase of the sorption cycle is processed by a specific component.
Note 2 to entry: A continuous appliance operates in one or more of the following modes: steady-state, transient and
on-off.
3.1.11
alternating appliance
appliance where sorption module(s) alternately process the sorption and the desorption phases leading
to a cyclical operation
Note 1 to entry: According to this definition, the phases of the sorption cycle are shifted among the internal
components of the appliance. This concept is valid at least for the sorption module.
Note 2 to entry: An alternating appliance operates in one or more of the following modes: steady-state, transient
and on-off.
Note 3 to entry: The definition of alternating appliance applies to hybrid appliances with adsorption module and
adsorption appliances.
3.1.12
flueless appliance
outdoor appliance which is not designed to be fitted with external ducts to transport combustion air to,
or products of combustion away from, the appliance’s casing
3.1.13
gas fired appliance
appliance which mainly consumes gas for implementation of the function or functions, the electrical
power consumption being dedicated to auxiliaries needed for operation
3.1.14
heat pump
encased assembly or assemblies designed as an appliance whose primary function is delivery of heat
and/or cooling
Note 1 to entry: The primary function is dependent on circulation of fluid (refrigerant and/or solution) within the
absorption, adsorption or refrigerant circuit(s)).
3.1.15
hybrid appliance
encased assembly or assemblies utilizing at least two different technologies whose primary function is to
generate heat, including overall control system that selects, according to predefined parameters, which
technology (or combination there
...

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