FprEN 16905-3
(Main)Gas-fired endothermic engine-driven heat pumps - Part 3: Test conditions
Gas-fired endothermic engine-driven heat pumps - Part 3: Test conditions
1.1 Scope of EN 16905 series
This series specifies the requirements, test methods and test conditions for the rating and performance calculation of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery, to be used outdoor.
This series is to be used in conjunction with:
a) the terms and definitions, EN 16905-1:2023;
b) the safety, prEN 16905-2:2022;
c) the requirements, test conditions and test methods, EN 16905-4:2024;
d) the calculation of seasonal performances in heating and cooling mode, EN 16905‐5:2022;
e) the heat pump standards, EN 14511‐2:2022, EN 14511-3:2022 and EN 14825:2022.
This series only applies to appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions.
This series only applies to appliances under categories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P and II2Er3P according to EN 437:2021.
This series only applies to appliances having:
a) gas-fired endothermic engines under the control of fully automatic control systems;
b) closed-system refrigerant circuits in which the refrigerant does not come into direct contact with the fluid to be cooled or heated;
c) where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 °C during normal operation;
d) where the maximum operating pressure in the
1) heating water circuit (if installed) does not exceed 6 bar;
2) domestic hot water circuit (if installed) does not exceed 10 bar.
This series applies to appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
This series is applicable to appliances that are intended to be type tested. Requirements for appliances that are not type tested would need to be subject to further consideration.
1.2 Scope of EN 16905 3
This part of the EN 16905 series specifies the test conditions for the rating of energy parameters of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery.
Gasbefeuerte endothermische Motor-Wärmepumpen - Teil 3: Prüfbedingungen
1.1 Anwendungsbereich der Normenreihe EN 16905
Diese Europäische Norm legt die Anforderungen, Prüfverfahren und Prüfbedingungen für die Bewertung und Leistungsberechnung von gasbefeuerten endothermischen Motor Wärmepumpen fest, die für den Heiz und/oder Kühlbetrieb einschließlich der Motor Wärmerückgewinnung vorgesehen und im Freien zu verwenden sind.
Diese Europäische Norm ist anzuwenden in Verbindung mit:
a) den Begriffen nach EN 16905-1:202x;
b) der Sicherheit nach EN 16905-2:202x;
c) den Anforderungen, Prüfbedingungen und Prüfverfahren nach EN 16905 4:202x;
d) der Berechnung der saisonalen Effizienzkennzahlen im Heiz und Kühlbetrieb nach EN 16905-5:2022;
e) den Normen zu Wärmepumpen, EN 14511-2:2022, EN 14511-3:2022 und EN 14825:2022.
Diese Europäische Norm gilt ausschließlich für Geräte mit einer Höchst Wärmebelastung von 70 kW (bezogen auf den Heizwert [NCV; en: net calorific value]) bei Norm Nennbedingungen.
Diese Europäische Norm gilt in Übereinstimmung mit EN 437:2021 ausschließlich für Geräte der Kategorien I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P und II2Er3P.
Diese Europäische Norm gilt ausschließlich für Geräte mit:
a) endothermischen Gasmotoren, die durch vollständig automatisierte Regelungen gesteuert werden;
b) geschlossenen Kühlmittelkreisläufen, in denen das Kühlmittel nicht direkt mit dem zu kühlenden oder zu erwärmenden Fluid in Berührung kommt;
c) einer Temperatur des Wärmeübertragungsmediums im Heizsystem (Heizwasserkreislauf), die im Normalbetrieb 105 °C nicht überschreitet;
d) einem Höchstbetriebsdruck im
1) Heizwasserkreislauf (falls installiert), der 6 bar nicht überschreitet;
2) Warmwasserbereitungskreislauf für Nutzwasser (falls installiert), der 10 bar nicht überschreitet.
Diese Europäische Norm gilt ausschließlich für Geräte, die zur Raumbeheizung oder kühlung oder zur Kälteerzeugung mit oder ohne Wärmerückgewinnung angewendet werden.
Diese Europäische Norm gilt für Geräte, die einer Typprüfung zu unterziehen sind. Anforderungen an nicht typgeprüfte Geräte wären ein Thema für weitere Überlegungen.
1.2 Anwendungsbereich von EN 16905-3
Dieser Teil der Normenreihe EN 16905 legt die Prüfbedingungen für die Einstufung von Energieparametern von gasbefeuerten endothermischen Motor Wärmepumpen fest, die für den Heiz und/oder Kühlbetrieb einschließlich der Motor Wärmerückgewinnung vorgesehen sind.
Pompes à chaleur à moteur endothermique alimenté au gaz - Partie 3 : Conditions d'essai
1.1 Domaine d'application de la série EN 16905
La présente Norme européenne spécifie les exigences, les méthodes d'essai et les conditions d'essai applicables aux calculs des caractéristiques et des performances des pompes à chaleur à moteur endothermique alimenté au gaz pour les modes chauffage et/ou refroidissement, y compris la récupération de la chaleur du moteur, destinées à être utilisées à l'extérieur.
La présente Norme européenne doit être utilisée conjointement avec :
a) les termes et définitions de l'EN 16905-1:202x ;
b) la sécurité de l'EN 16905-2:202x ;
c) les exigences, les conditions d'essais et les méthodes d'essai de l'EN 16905-4:202x ;
d) le calcul des performances saisonnières en modes chauffage et refroidissement de l'EN 16905-5:2022 ;
e) les normes relatives aux pompes à chaleur de l'EN 14511-2:2022, l'EN 14511-3:2022 et l'EN 14825:2022.
La présente Norme européenne s'applique uniquement aux appareils dont le débit calorifique maximal (dérivé du pouvoir calorifique inférieur) ne dépasse pas 70 kW dans les conditions de performance nominale.
La présente Norme européenne se limite également aux appareils classés dans les catégories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P et II2Er3P de l'EN 437:2021.
La présente Norme européenne ne s'applique qu'aux appareils :
a) équipés de moteurs endothermiques alimentés au gaz régulés par des systèmes de régulation entièrement automatisés ;
b) comportant des circuits fermés de réfrigérant dans lesquels le réfrigérant n'entre pas en contact direct avec le fluide à refroidir ou à chauffer ;
c) dans lesquels la température du fluide caloporteur du système de chauffage (circuit d'eau de chauffage) ne dépasse pas 105 °C dans les conditions normales de fonctionnement ;
d) dans lesquels la pression maximale de fonctionnement :
1) ne dépasse pas 6 bar dans le circuit d'eau de chauffage (le cas échéant) ;
2) ne dépasse pas 10 bar dans le circuit d'eau chaude sanitaire (le cas échéant).
La présente Norme européenne s'applique aux appareils utilisés uniquement pour le chauffage de locaux, le refroidissement de locaux ou la réfrigération, avec ou sans récupération de chaleur.
La présente Norme européenne s'applique aux appareils destinés à être soumis à des essais de type. Les exigences relatives aux appareils non soumis à des essais de type pourraient appeler des considérations supplémentaires.
1.2 Domaine d'application de l'EN 16905-3
La présente partie de la série EN 16905 spécifie les conditions d'essai applicables à l'évaluation des paramètres énergétiques des appareils à moteur endothermique alimenté au gaz utilisés en mode chauffage et/ou refroidissement, y compris la récupération de chaleur du moteur.
Toplotna črpalka s plinsko gnanim motorjem z notranjim zgorevanjem - 3. del: Preskusni pogoji
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
01-november-2023
Toplotna črpalka s plinsko gnanim motorjem z notranjim zgorevanjem - 3. del:
Preskusni pogoji
Gas-fired endothermic engine driven heat pumps - Part 3: Test conditions
Gasbefeuerte endothermische Motor-Wärmepumpen - Teil 3: Prüfbedingungen
Pompes à chaleur à moteur endothermique alimenté au gaz - Partie 3 : Conditions
d'essai
Ta slovenski standard je istoveten z: prEN 16905-3
ICS:
27.080 Toplotne črpalke Heat pumps
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
DRAFT
EUROPEAN STANDARD
prEN 16905-3
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2023
ICS 27.080 Will supersede EN 16905-3:2017
English Version
Gas-fired endothermic engine driven heat pumps - Part 3:
Test conditions
Pompes à chaleur à moteur endothermique alimenté Gasbefeuerte endothermische Motor-Wärmepumpen -
au gaz - Partie 3 : Conditions d'essai Teil 3: Prüfbedingungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 299.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
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. prEN 16905-3:2023 E
worldwide for CEN national Members.
prEN 16905-3:2023 (E)
Contents Page
European foreword . 3
Introduction . 4
1 Scope . 5
1.1 Scope of EN 16905 series . 5
1.2 Scope of EN 16905-3 . 5
2 Normative references . 6
3 Terms and definitions . 6
4 Test conditions . 6
4.1 Environmental conditions and electrical power supply requirements . 6
4.2 Rating conditions in cooling and in heating . 8
4.3 Rating conditions for engine heat recovery . 17
Annex ZA (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 813/2013 aimed to be covered . 18
Annex ZB (informative) Relationship between this European Standard and the energy labelling
requirements of Commission Delegated Regulation (EU) No 811/2013 aimed to be covered
............................................................................................................................................................................. 19
Annex ZC (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 2016/2281 aimed to be covered . 20
Bibliography . 21
prEN 16905-3:2023 (E)
European foreword
This document (prEN 16905-3:2023) 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 document is currently submitted to the CEN Enquiry.
This document will supersede EN 16905-3:2017.
prEN 16905-3:2023 includes the following significant technical changes with respect to
EN 16905-3:2017:
— editorial and technical changes throughout the draft and in Annexes ZA and ZB in order to align the
text to the Ecodesign Requirements stated in Commission Regulation (EU) 813/2013 and to the
Energy Labelling Requirements stated in Commission Regulation (EU) No 811/2013;
— addition of Annex ZC in order to align the text to the Ecodesign requirements for energy-related
products stated in Commission Regulation (EU) No 2016/2281.
This document has been prepared under a standardization request addressed to [the relevant ESO] by
the European Commission. The Standing Committee of the EFTA States subsequently approves these
requests for its Member States.
For the relationship with EU Legislation, see informative Annex ZA, ZB and ZC, which is an integral part
of this document.
prEN 16905-3:2023 (E)
Introduction
The GEHP appliances having their condenser cooled by air and by the evaporation of external additional
water are not covered by this document.
Single split and multisplit systems are covered by this document.
The GEHP appliances can have one or more primary or secondary functions.
This European Standard specifies the requirements, test methods and test conditions concerning, in
particular, the construction, safety, fitness for purpose, and rational use of energy, for the rating and
performance calculation of air conditioners and heat pumps using either air, water or brine as heat
transfer media, with gas-fired endothermic engine driven compressors when used for space heating,
cooling and refrigeration, hereafter referred to as “GEHP appliance”.
EN 16905 comprises the following parts under the general title, Gas-fired endothermic engine driven
heat pumps:
— Part 1: Terms and definitions;
— Part 2: Safety;
— Part 3: Tests conditions;
— Part 4: Tests methods;
— Part 5: Calculation of seasonal performances in heating and cooling mode.
prEN 16905-3:202x has been prepared to address the test conditions.
EN 16905-1:202x, EN 16905-2:202x, prEN 16905-3:202x, EN 16905-4:202x and EN 16905-5:2022 are
linked to the Energy Related Products Directive (2009/125/EC) in terms of tests conditions, tests
methods and seasonal performances calculation methods under Mandate M/535; (see prEN 16905-
3:202x, Annex ZA, EN 16905-4:202x, Annex ZA, EN 16905-5:2022, Annex ZA and EN 16905-2:202x,
Annexes ZB and ZC).
These documents will be reviewed whenever new mandates could apply.
prEN 16905-3:2023 (E)
1 Scope
1.1 Scope of EN 16905 series
This European Standard specifies the requirements, test methods and test conditions for the rating and
performance calculation of gas-fired endothermic engine driven heat pumps for heating and/or cooling
mode including the engine heat recovery, to be used outdoor.
This European Standard is to be used in conjunction with:
a) the terms and definitions, EN 16905-1:202x;
b) the safety, EN 16905-2:202x;
c) the requirements, test conditions and test methods, EN 16905-4:202x;
d) the calculation of seasonal performances in heating and cooling mode, EN 16905-5:2022.
e) the heat pump standards, EN 14511-2:2022, EN 14511-3:2022 and EN 14825:2022.
This European Standard only applies to appliances with a maximum heat input (based on net calorific
value) not exceeding 70 kW at standard rating conditions.
This European Standard only applies to appliances under categories I , I , I , I , I , I , I ,
2H 2E 2Er 2R 2E(S)B 2L 2LL
I , I , I , I ), I , I , I , II , II , II , II , II ,
2ELL 2E(R)B 2ESi 2E(R 3P 3B 3B/P 2H3+ 2Er3+ 2H3B/P 2L3B/P 2E3B/P
II , II , II , II and II according to EN 437:2021.
2ELL3B/P 2L3P 2H3P 2E3P 2Er3P
This European Standard only applies to appliances having:
a) gas fired endothermic engines under the control of fully automatic control systems;
b) closed system refrigerant circuits in which the refrigerant does not come into direct contact with the
fluid to be cooled or heated;
c) where the temperature of the heat transfer fluid of the heating system (heating water circuit) does
not exceed 105 °C during normal operation;
d) where the maximum operating pressure in the
1) heating water circuit (if installed) does not exceed 6 bar;
2) domestic hot water circuit (if installed) does not exceed 10 bar.
This European Standard applies to appliances only when used for space heating or space cooling or for
refrigeration, with or without heat recovery.
This European Standard is applicable to appliances that are intended to be type tested. Requirements for
appliances that are not type tested would need to be subject to further consideration.
1.2 Scope of EN 16905-3
This part of the EN 16905 series specifies the test conditions for the rating of energy parameters of gas-
fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat
recovery.
prEN 16905-3:2023 (E)
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 16905-1:202x, Gas-fired endothermic engine driven heat pumps — Part 1: Terms and definitions
EN 16905-4:202x, Gas-fired endothermic engine driven heat pumps — Part 4: Test methods
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 16905-1:202x 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/
4 Test conditions
4.1 Environmental conditions and electrical power supply requirements
The tests shall be carried out under the environmental conditions specified in Table 1 or Table 2
depending on the location of the unit.
For all units, electrical power voltage and frequency shall be stated in the instructions.
Currently in preparation.
Currently in preparation.
prEN 16905-3:2023 (E)
Table 1 — Environmental conditions and electrical power supply requirements for units
designed for installation indoors
Type Measured quantities Rating test
Water-to-water and brine-to-water
Dry bulb temperature 15 °C to 30 °C
a
units
Water-to-air and brine-to-air units
with duct connection on the air inlet Dry bulb temperature 15 °C to 30 °C
and outlet side
Water-to-air and brine-to-air units
Dry bulb temperature
Inlet temperature
without duct connection on the air
(see Table 6 and Table 7)
Wet bulb temperature
inlet side
Air-to-water units with duct
connection on the air inlet and outlet Dry bulb temperature 15 °C to 30 °C
side
Dry bulb temperature
Air-to-water units without duct Inlet temperature
connection on the air inlet side (see Tables 12 to 15)
Wet bulb temperature
Air-to-air units with duct connection
on the outdoor air inlet and outlet Dry bulb temperature 15 °C to 30 °C
side
Air-to-air units without duct
Dry bulb temperature
As inlet temperature
connection on the outdoor air inlet
see Table 3 and Table 4
Wet bulb temperature
and outlet side
All appliances Voltage Rated voltage
All appliances Frequency Rated frequency
a
Rating conditions for water to water or water to brine appliances can be extended to brine to water
and brine to brine appliances respectively (e.g. for reversible applications).
prEN 16905-3:2023 (E)
Table 2 — Environmental conditions and electrical power supply requirements for units
designed for installation outdoors
Type Measured quantities Rating test
Inlet temperature
Dry bulb temperature
Air-to-water units (see Tables 12 to 14 and
Wet bulb temperature
Table 15)
Dry bulb temperature Inlet temperature
Water-to-air units
Wet bulb temperature (see Table 6 and Table 7)
Water-to-water and brine-to-water
Dry bulb temperature 15 °C to 30 °C
a
operating in cooling mode
Water-to-water and brine-to-water
Dry bulb temperature 0 °C to 7 °C
operating in heating mode
Air-to-air units with duct connection
...
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