oSIST prEN 16905-4:2022
(Main)Gas-fired endothermic engine driven heat pumps - Part 4: Test methods
Gas-fired endothermic engine driven heat pumps - Part 4: Test methods
This part of EN 16905 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 specifies the test conditions tests methods and seasonal performances calculation methods.
This European Standard is to be used in conjunction with:
a) the terms and conditions, EN 16905‐1:2017
b) the safety, EN 16905-2:2020
c) the test conditions, EN 16905‐3:2017
d) the calculation of seasonal performances in heating and cooling mode, EN 16905‐5:2020
e) the heat pump standards, EN 14511‐2:2018, EN 14511-3:2018 and EN 14825:2020.
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 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 437:2003 + A1:2009.
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 GEHP appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
This European Standard is applicable to GEHP appliances that are intended to be type tested. Requirements for GEHP appliances that are not type tested would need to be subject to further consideration.
.
Gasbefeuerte endothermische Motor-Wärmepumpen - Teil 4: Prüfverfahren
Dieses Dokument legt die Anforderungen, Prüfverfahren und Prüfbedingungen für die Bewertung und Leistungsberechnung von gasbefeuerten endothermischen Motor-Wärmepumpen für den Heiz- und/oder Kühlbetrieb einschließlich der Wärmerückgewinnung des Motors fest, die im Freien zu verwenden sind.
Dieses Dokument legt die Prüfbedingungen, die Prüfverfahren und saisonalen Effizienzkennzahlen fest.
Dieses Dokument ist anzuwenden in Verbindung mit:
a) den Begriffen und Bedingungen, EN 16905 1:2017;
b) der Sicherheit, prEN 16905 2:2021;
c) den Prüfbedingungen, EN 16905 3:2017;
d) der Berechnung der saisonalen Effizienzkennzahlen im Heiz- und Kühlbetrieb, EN 16905 5:2021;
e) den Wärmepumpen betreffenden Normen, EN 14511 2:2018, EN 14511 3:2018 und EN 14825:2022.
Dieses Dokument gilt ausschließlich für Geräte mit einer maximalen Wärmebelastung von 70 kW (bezogen auf den Heizwert [NCV; en: net calorific value]) bei Norm-Nennbedingungen.
Dieses Dokument gilt entsprechend der 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.
Dieses Dokument gilt ausschließlich für Geräte mit:
a) endothermischen Gasmotoren, die durch vollständig automatisierte Regelungen gesteuert werden;
b) geschlossenen Kühlkreislaufsystemen, in denen das Kühlmittel nicht direkt mit der zu kühlenden oder zu erwärmenden Flüssigkeit in Berührung kommt;
c) einer Temperatur des Wärmeübertragungsmediums im Heizsystem (Heizwasserkreis), die im normalen Betrieb 105 °C nicht überschreitet:
d) einen höchsten Betriebsdruck im:
1) Heizungswasserkreislauf (falls installiert), der 6 bar nicht überschreitet;
2) Warmwasserbereitung für Nutzwasser (falls installiert), der 10 bar nicht überschreitet.
Dieses Dokument gilt ausschließlich für GEHP Systeme, die zur Raumheizung oder -kühlung oder zur Kälteerzeugung mit oder ohne Wärmerückgewinnung angewendet werden.
Dieses System gilt für GEHP Systeme, die einer Typprüfung zu unterziehen sind. Anforderungen an nicht typgeprüfte GEHP Systeme wären ein Thema für weitere Überlegungen.
Pompes à chaleur à moteur endothermique alimenté au gaz - Partie 4 : Méthodes d'essai
Le présent document spécifie les exigences, les méthodes d'essai et les conditions d'essai pour le calcul 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.
Le présent document spécifie les conditions d'essai, les méthodes d'essai et les méthodes de calcul des performances saisonnières.
Le présent document doit être utilisé conjointement avec :
a) les termes et conditions, EN 16905 1:2017 ;
b) la sécurité, prEN 16905 2:2021 ;
c) les conditions d'essai, EN 16905 3:2017 ;
d) le calcul des performances saisonnières en mode chauffage et refroidissement, prEN 16905 5:2021 ;
e) les normes relatives aux pompes à chaleur, EN 14511 2:2018, EN 14511 3:2018 et EN 14825:2022.
Le présent document 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 normalisées.
Le présent document 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.
Le présent document 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).
Le présent document s'applique aux appareils GEHP utilisés uniquement pour le chauffage de locaux, le refroidissement de locaux ou la réfrigération, avec ou sans récupération de chaleur.
Le présent document s'applique aux appareils GEHP destinés à être soumis à des essais de type. Les exigences relatives aux appareils GEHP non soumis à des essais de type pourraient faire l’objet de considérations supplémentaires.
Toplotna črpalka s plinsko gnanim motorjem z notranjim zgorevanjem - 4. del: Preskusne metode
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
oSIST prEN 16905-4:2022
01-julij-2022
Toplotna črpalka s plinsko gnanim motorjem z notranjim zgorevanjem - 4. del:
Preskusne metode
Gas-fired endothermic engine driven heat pumps - Part 4: Test methods
Gasbefeuerte endothermische Motor-Wärmepumpen - Teil 4: Prüfverfahren
Pompes à chaleur à moteur endothermique alimenté au gaz - Partie 4 : Méthodes
d'essai
Ta slovenski standard je istoveten z: prEN 16905-4
ICS:
27.080 Toplotne črpalke Heat pumps
oSIST prEN 16905-4:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 16905-4:2022
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oSIST prEN 16905-4:2022
DRAFT
EUROPEAN STANDARD
prEN 16905-4
NORME EUROPÉENNE
EUROPÄISCHE NORM
July 2022
ICS 27.080 Will supersede EN 16905-4:2017
English Version
Gas-fired endothermic engine driven heat pumps - Part 4:
Test methods
Pompes à chaleur à moteur endothermique alimenté Gasbefeuerte endothermische Motor-Wärmepumpen -
au gaz - Partie 4 : Méthodes d'essai Teil 4: Prüfverfahren
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, Turkey 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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 16905-4:2022 E
worldwide for CEN national Members.
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oSIST prEN 16905-4:2022
prEN 16905-4:2022 (E)
Contents Page
European foreword . 6
Introduction . 7
1 Scope . 8
2 Normative references . 9
3 Terms and definitions . 9
4 Test methods . 9
4.1 General . 9
4.2 Basic principles method of calculation for the determination of capacities . 10
4.2.1 Capacity. 10
4.2.2 Engine heat recovery capacity . 12
4.2.3 Heat input . 14
4.2.4 Electrical power input . 15
4.2.5 Gas utilization efficiency (GUE) . 19
4.2.6 Engine heat recovery efficiency (EHRE) . 20
4.2.7 Total gas utilization efficiency (GUE ) . 21
T
4.2.8 Auxiliary energy factor (AEF) . 22
4.2.9 Auxiliary energy engine heat recovery factor (AEHRF) . 23
4.2.10 Total auxiliary energy factor (AEF ) . 24
T
4.2.11 Primary energy factor (PER) . 24
4.3 Test apparatus. 25
4.3.1 Arrangement of the test apparatus. 25
4.3.2 Installation and connection of the appliance . 26
4.4 Uncertainties of measurement . 28
4.5 Test procedure . 29
4.5.1 General . 29
4.5.2 Non-cyclical operation . 33
4.5.3 Cyclical operation . 46
4.6 Test methods for electric power consumption during thermostat off mode, standby
mode and off mode . 50
4.6.1 Measurement of electrical power consumption during thermostat off mode . 50
4.6.2 Measurement of the electrical power consumption during standby mode . 50
4.6.3 Measurement of the electric power consumption during crankcase heater mode . 50
4.6.4 Measurement of the electric power consumption during off mode . 51
4.7 Test results — Data to be recorded . 51
5 Heat recovery test for air-cooled multisplit systems . 53
5.1 Test installation . 53
5.1.1 General . 53
5.1.2 Three-room calorimeter method . 53
5.1.3 Three-room air-enthalpy method . 53
5.1.4 Two-room air-enthalpy method . 54
5.2 Test procedure . 54
5.3 Test results . 54
6 Test report . 54
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prEN 16905-4:2022 (E)
6.1 General information . 54
6.2 Additional information . 55
6.3 Rating test results . 55
Annex A (normative) Calorimeter test method . 56
A.1 General . 56
A.2 Calibrated room-type calorimeter . 58
A.3 Balanced ambient room-type calorimeter . 59
A.4 Calculations-cooling capacities . 59
A.4.1 General . 59
A.4.2 Total cooling capacity on the indoor-side . 61
A.4.3 Total cooling capacity of liquid (water)-cooled equipment deducted from the
condenser side . 61
A.4.4 Latent cooling capacity (room dehumidifying capacity) . 61
A.4.5 Sensible cooling capacity . 62
A.4.6 Sensible cooling capacity . 62
A.5 Calculation-heating capacities . 62
A.5.1 General . 62
A.5.2 Determination of the heating capacity by measurements in the indoor-side room . 63
A.5.3 Determination of the heating capacity by measurements in the outdoor-side room . 64
A.5.4 Total heating capacity of liquid (water)-to-air unit deducted from the water side . 64
Annex B (normative) Indoor air enthalpy test method . 65
B.1 General . 65
B.2 Test conditions . 65
B.3 Application . 65
B.4 Calculations-cooling capacities . 66
B.5 Calculations-heating capacities . 66
Annex C (normative) Symbols and units used in Annex A and B . 67
Annex D (normative) Water enthalpy test method . 69
D.1 General . 69
D.2 Calculations. 69
D.2.1 Measured cooling capacity . 69
D.2.2 Measured heating capacity. 69
D.2.3 Measured engine heat recovery capacity. 70
Annex E (informative) Direct method for air-to-water (brine) and water (brine)-to-water
(brine) appliances . 71
E.1 Introduction. 71
E.2 Compensation system for air-to-water (brine) appliances . 71
E.3 Compensation system for water (brine) to water (brine) appliances . 72
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prEN 16905-4:2022 (E)
E.4 General . 73
Annex F (informative) Measurement control criteria for water (brine) to water (brine)
appliances . 74
F.1 Water (brine)-to-water (brine) heat pump in heating mode . 74
F.2 Water (brine)-to-water (brine) chiller or chiller/heater in cooling mode . 75
Annex G (normative) Determination of the liquid pump efficiency . 77
G.1 General . 77
G.2 Hydraulic power of the liquid pump . 77
G.2.1 The liquid pump is an integral part of the appliance . 77
G.2.2 The liquid pump is not an integral part of the appliance . 77
G.3 Efficiency of integrated pumps . 77
G.3.1 Glandless circulators . 77
G.3.2 Dry motor pumps . 78
G.4 Efficiency of non-integrated pumps . 80
Annex H (informative) Calculation procedure for determination of GUE, AEF and Cd values . 81
H.1 Calculation procedure for determination of GUE values at part load (GUEPL) . 81
H.1.1 General . 81
H.1.2 For air-to-air, brine-to-air and water-to-air units . 81
H.1.3 For air-to-water, water-to-water and brine-to-water units . 82
H.2 Calculation procedure for determination of AEF values at part load (AEFPL) . 83
H.2.1 General . 83
H.2.2 For air-to-air, brine-to-air and water-to-air units . 83
H.2.3 For air-to-water, water-to-water and brine-to-water units . 83
H.3 Air-to-air and water-to-air units - Determination of the degradation coefficient Cd. 84
H.3.1 General . 84
H.3.2 Air-to-air units – Cooling mode . 85
H.3.3 Air-to-air units – Heating mode . 85
H.3.4 Water-to-air units – Cooling mode . 85
H.3.5 Water-to-air units – Heating mode . 85
H.4 Air-to-water(brine) units and water(brine)-to-water(brine) and DX-to-water(brine)
units - Determination of the degradation coefficient Cd . 85
Annex I (informative) “Individual” correction to include in the “global” electrical power
input correction depending on the GEHP appliance . 87
Annex J (informative) Heating capacity tests - Flow chart and examples of different test
sequences . 94
J.1 Flow chart . 94
J.2 Examples of test profiles . 95
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prEN 16905-4:2022 (E)
Annex K (normative) Rating of indoor and outdoor units of multisplit and modular heat
recovery multisplit system . 100
K.1 General . 100
K.2 Terms and definitions . 100
K.3 Rating of indoor units . 101
K.3.1 General . 101
K.3.2 Air flow rate measurement . 101
K.3.3 Measurement of the power input of indoor units . 101
K.4 Rating of outdoor units . 101
K.4.1 General . 101
K.4.2 Test conditions . 102
K.4.3 Test procedure . 102
K.4.4 Calculation of the SPER based on the PER outdoor . 102
c c-
K.4.5 Calculation of the SPER based on the PER outdoor . 102
h h-
Annex L (normative) Testing and rating of individual indoor units . 103
L.1 Indoor unit under test . 103
L.2 Test methods . 103
L.2.1 General . 103
L.2.2 Calorimeter method. 103
L.2.3 Air-enthalpy method . 104
L.3 Test conditions . 104
L.4 Rated performance . 105
L.5 Data to be recorded. 105
Annex M (informative) Air flow measurement . 108
M.1 General . 108
M.2 Test installation . 108
M.3 Test conditions . 108
M.4 Air flow measurement . 108
Annex ZA (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 813/2013 aimed to be covered . 109
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 . 110
Annex ZC (informative) Relationship between this European Standard and the ecodesign
requirements of Commission Regulation (EU) No 2016/2281 aimed to be covered. 111
Bibliography . 112
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oSIST prEN 16905-4:2022
prEN 16905-4:2022 (E)
European foreword
This document (prEN 16905-4:2022) 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 16905-4:2017.
In comparison with the previous edition, the following technical modifications have been made:
— Editorial and technical changes throughout the draft and in Annex ZA, ZB in order to align the text to
the Ecodesign Requirements of Commission Regulation (EU) No 813/2013;
— Addition of Annex ZC in order to align the text to the Ecodesign Requirements of Commission
Regulation (EU) No 2016/2281.
This document has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association, and supports essential requirements of EU
Directive(s) / Regulation(s).
For relationship with EU Directive(s) / Regulation(s), see informative Annex ZA, ZB or ZC, which is an
integral part of this document.
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oSIST prEN 16905-4:2022
prEN 16905-4:2022 (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 document 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 16905-4:2022 has been prepared to address the essential requirements of the European Regulation
(EU) 2016/426 relating to appliances burning gaseous fuels and repealing Directive 2009/142/EC (see
prEN 16905-4:2022, Annex ZA).
EN 16905-1:2017, prEN 16905-2:2021, EN 16905-3:2017, prEN 16905-4:2022 and prEN 16905-5:2021
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 EN 16905- 3:2017,
Annex ZA, prEN 16905-4:2022, Annex ZA, prEN 16905-5:2021, Annex ZA and prEN 16905-2:2021,
Annexes ZB and ZC).
These documents will be reviewed whenever new mandates could apply.
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oSIST prEN 16905-4:2022
prEN 16905-4:2022 (E)
1 Scope
This document 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 document specifies the test conditions tests methods and seasonal performances calculation
methods.
This document is to be used in conjunction with:
a) the terms and conditions, EN 16905-1:2017
b) the safety, prEN 16905-2:2021
c) the test conditions, EN 16905-3:2017
d) the calculation of seasonal performances in heating and cooling mode, prEN 16905-5:2021
e) the heat pump standards, EN 14511-2:2018, EN 14511-3:2018 and EN 14825:2022.
This document only applies to appliances with a maximum heat input (based on net calorific value) not
exceeding 70 kW at standard rating conditions.
This document only applies to appliances under categories I , I , I , I
...
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