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SLOVENSKI STANDARD
01-marec-2023
Nadomešča:
SIST EN 16905-5:2018
Toplotna črpalka s plinsko gnanim motorjem z notranjim zgorevanjem - 5. del:
Izračun sezonske zmogljivosti za ogrevanje in hlajenje
Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal
performances in heating and cooling mode
Gasbefeuerte endothermische Motor-Wärmepumpen - Teil 5: Berechnung der
saisonalen Effizienzkennzahlen im Heiz- und Kühlmodus
Pompes à chaleur à moteur endothermique alimenté au gaz -Partie 5 : Calcul des
performances saisonnières en modes chauffage et refroidissement
Ta slovenski standard je istoveten z: EN 16905-5:2022
ICS:
27.080 Toplotne črpalke Heat pumps
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 16905-5
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2022
EUROPÄISCHE NORM
ICS 27.080 Supersedes EN 16905-5:2017
English Version
Gas-fired endothermic engine driven heat pumps - Part 5:
Calculation of seasonal performances in heating and
cooling mode
Pompes à chaleur à moteur endothermique alimenté Gasbefeuerte endothermische Motor-Wärmepumpen -
au gaz -Partie 5 : Calcul des performances saisonnières Teil 5: Berechnung der saisonalen Effizienzkennzahlen
en modes chauffage et refroidissement im Heiz- und Kühlmodus
This European Standard was approved by CEN on 28 November 2022.
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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 16905-5:2022 E
worldwide for CEN national Members.
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Part load conditions for space cooling . 7
4.1 General . 7
4.2 Air-to-air units . 7
4.3 Water-to-air and brine-to-air units . 8
4.4 Air-to-water and air-to-brine units . 8
4.5 Water-to-water and brine-to-water units . 9
5 Part load conditions for space heating . 11
5.1 General . 11
5.2 Air-to-air units . 11
5.3 Water(brine)-to-air units . 12
5.4 Air-to-water(brine) units . 12
5.4.1 General . 13
5.4.2 Low temperature application . 13
5.4.3 Intermediate temperature application . 14
5.4.4 Medium temperature application . 15
5.5 DX-to-water(brine), water-to-water(brine), brine-to-water(brine) units . 15
5.5.1 General . 15
5.5.2 Low temperature application . 16
5.5.3 Intermediate temperature application . 17
5.5.4 Medium temperature application . 18
6 Calculation methods for reference SPER . 19
c
6.1 General . 19
6.2 General formula for calculation of GUE and AEF . 19
c c
6.3 General formula for calculation of EHRE and AEHRF . 19
c c
6.4 General formula for calculation of reference SGUE . 19
c
6.5 Calculation of reference SEHRE . 20
c
6.6 Calculation of reference SGUE . 21
Tc
6.7 Calculation of reference SAEF . 21
c
6.8 Calculation of reference annual cooling demand (Q ) . 21
ref,c
6.9 Calculation of reference SAEF . 22
cON
6.10 Calculation of reference SAEHRF . 22
c
6.11 Calculation of reference total SAEF . 23
Tc
6.12 Procedures for the determination of GUE / AEF values . 23
cPL cPL
6.13 Procedures for the determination of EHRE / AEHRF values . 23
cPL cPL
6.14 Calculation of reference SPER . 23
c
6.15 Calculation of the annual primary energy consumption cooling Q . 24
CP
6.16 Calculation of the seasonal space cooling efficiency η . 24
s,c
7 Calculation methods for reference SPER . 24
h
7.1 General . 24
7.2 General formula for calculation of GUE and AEF . 25
h h
7.3 General formula for calculation of EHRE . 25
h
7.4 General formula for calculation of reference SGUE . 25
h
7.5 Calculation of reference SEHRE . 28
h
7.6 Calculation of reference SGUE . 28
Th
7.7 Calculation of reference SAEF . 28
h
7.8 Calculation of reference annual heating demand (Q ) . 29
ref,h
7.9 Calculation of reference SAEF . 29
hON
7.10 Calculation of reference SAEHRFh . 30
7.11 Calculation of reference total SAEF . 30
Th
7.12 Procedures for the determination of GUE / AEF values . 30
hPL hPL
7.13 Procedures for the determination of EHRE / AEHRF values . 30
hPL hPL
7.14 Calculation of reference SPER . 31
h
7.15 Calculation of the annual primary energy consumption heating Q . 31
HP
7.16 Calculation of the seasonal space heating efficiency η . 31
s,h
8 Technical documentation . 32
Annex A (normative) Determination of reference annual cooling/heating demands and
determination of hours for active mode, thermostat off, standby, off mode and
crankcase heater mode for reference SAEFc and SAEFh calculation . 33
Annex B (informative) Calculation example for reference SGUE , SAEF , SEHRE , SAEHRF ,
c c c c
SGUE , SAEF and SPER . 35
Tc Tc c
Annex C (informative) Calculation example for reference SGUE , SAEF , SEHRE , SAEHRF ,
h h h h
SGUE , SAEF and SPER . 38
Tc Th h
Annex D (informative) Template for technical documentation . 41
Annex E (normative) Rating of outdoor units of multi-split air conditioners and heat pumps . 46
Annex ZA (informative) Relationship between this European Standard and the
requirements of Commission Regulation (EU) No 813/2013 aimed to be covered . 49
Annex ZB (informative) Relationship between this European Standard and the
requirements of Commission Regulation (EU) No 2016/2281 aimed to be covered . 50
Annex ZC (informative) Relationship between this European Standard and the requirements
of Commission Regulation (EU) No 811/2013 aimed to be covered . 51
Bibliography . 52
European foreword
This document (EN 16905-5:2022) 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 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 June 2023, and conflicting national standards shall be
withdrawn at the latest by June 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 16905-5:2017.
EN 16905-5:2017:
— technical changes throughout the draft and in Annex ZA, Annex ZB and Annex ZC in order to align
the text
...