BS EN 16905-5-2017 Gas-fired endothermic engine driven heat pumps Calculation of seasonal performances in heating and cooling mode《燃气式吸热发动机驱动热泵 加热和冷却模式的季节性能计算》.pdf

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1、BS EN 16905-5:2017Gas-fired endothermic enginedriven heat pumpsPart 5: Calculation of seasonalperformances in heating and cooling modeBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 16905-5:2017 BRITISH STANDARDNational forewordThis British Standard is the UK i

2、mplementation of EN 16905-5:2017. The UK participation in its preparation was entrusted to TechnicalCommittee GSE/37, Gas fired sorption and laundering appliances. A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to i

3、nclude all the necessary provisions of a contract. Users are responsible for its correct application. The British Standards Institution 2017.Published by BSI Standards Limited 2017ISBN 978 0 580 90769 2 ICS 27.080 Compliance with a British Standard cannot confer immunity from legal obligations.This

4、British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 March 2017.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 16905-5:2017EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 16905-5 March 2017 ICS 27.080 English Ve

5、rsion Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal performances in heating and cooling mode Pompes chaleur moteur endothermique aliment au gaz -Partie 5 : Calcul des performances saisonnires en modes chauffage et refroidissement Gasbefeuerte endothermische Motor-W

6、rmepumpen - Teil 5: Berechnung der saisonalen Effizienzkennzahlen im Heiz- und Khlmodus This European Standard was approved by CEN on 9 January 2017. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status

7、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, Germa

8、n). 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,

9、 Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey a

10、nd United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2017 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref.

11、No. EN 16905-5:2017 EBS EN 16905-5:2017EN 16905-5:2017 (E) 2 Contents Page European foreword . 4 1 Scope 5 1.1 Scope of EN 16905 series 5 1.2 Scope of EN 16905-5 . 5 2 Normative references 6 3 Terms and definitions . 6 4 Part load conditions in cooling mode 6 4.1 General 6 4.2 Air-to-air units . 6 4

12、.3 Water-to-air and brine to air units . 6 4.4 Air-to-water units . 7 4.5 Water-to-water and brine-to-water units 8 5 Part load conditions in heating mode 9 5.1 General 9 5.2 Air-to-air units 10 5.3 Water-to-air units and brine to air units . 12 5.4 Air-to-water units 13 5.4.1 General . 13 5.4.2 Low

13、 temperature application 14 5.4.3 Medium temperature application 17 5.4.4 High temperature application . 20 5.5 Water-to-water and brine-to-water units . 23 5.5.1 General . 23 5.5.2 Low temperature application 23 5.5.3 Medium temperature application 26 5.5.4 High temperature application . 29 6 Calcu

14、lation methods for reference SPERc . 31 6.1 General . 31 6.2 General formula for calculation of GUEcand AEFc32 6.3 General formula for calculation of EHREgascand EHREelecc. 32 6.4 General formula for calculation of reference SGUEc32 6.5 Calculation of reference SAEFc33 6.6 Calculation of reference a

15、nnual cooling demand (Qref,c) 33 6.7 Calculation of reference SAEFcON. 34 6.8 Calculation of reference SEHREgasc. 34 6.9 Calculation of reference SEHREelecc. 35 6.10 Procedures for the determination of GUEcPL/ AEFcPLvalues 35 6.11 Procedures for the determination of EHREgascPL/ EHREeleccPLvalues . 3

16、5 6.12 Calculation of reference SPERc36 7 Calculation methods for reference SPERh. 36 7.1 General . 36 7.2 General formula for calculation of GUEhand AEFh. 36 7.3 General formula for calculation of EHREgash. 36 7.4 General formula for calculation of reference SGUEh. 37 BS EN 16905-5:2017EN 16905-5:2

17、017 (E) 3 7.5 Calculation of reference SAEFh. 39 7.6 Calculation of reference annual heating demand (Qrefh) 39 7.7 Calculation of reference SAEFhON. 40 7.8 Calculation of reference SEHREgash. 40 7.9 Calculation of reference SEHREelech. 41 7.10 Procedures for the determination of GUEhPL/ AEFhPLvalues

18、 41 7.11 Procedures for the determination of SEHREgashPL/ SEHREelechPLvalues . 41 7.12 Calculation of reference SPERh42 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 mod

19、e for reference SAEFcand SAEFhcalculation . 43 Annex B (informative) Calculation example for reference SGUEc, SAEFc, SEHREgasc, SEHREeleccand SPERc. 45 Annex C (informative) Calculation example for reference SGUEh, SAEFh, SEHREgash, SEHREelechand SPERh. 48 Annex D (informative) Adaption of water tem

20、perature for fixed capacity 51 Annex E (informative) Compensation method for air to water and water to water units 52 Annex ZA (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 813/2013 aimed to be covered . 53 Annex ZB (informa

21、tive) Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 811/2013 aimed to be covered . 55 Bibliography . 57 BS EN 16905-5:2017EN 16905-5:2017 (E) 4 European foreword This document (EN 16905-5:2017) has been prepared by Techni

22、cal 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

23、, either by publication of an identical text or by endorsement, at the latest by September 2017, and conflicting national standards shall be withdrawn at the latest by September 2017. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights

24、. CEN shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s). For relationship with EU Directi

25、ve(s), see informative Annex ZA and Annex ZB, which are integral parts of this document. This standard comprises the following parts under the general title, Gas-fired endothermic engine driven heat pumps: Part 1: Terms and definitions; Part 2: Safety (WI 00299025; currently in preparation); Part 3:

26、 Test conditions; Part 4: Test methods; Part 5: Calculation of seasonal performances in heating and cooling mode. EN 16905-1, prEN 16905-2, EN 16905-3, EN 16905-4 and EN 16905-5 have been prepared to address the essential requirements of the European Directive 2009/142/EC relating to appliances burn

27、ing gaseous fuels (see prEN 16905-2:201X, Annex ZA for safety aspects and EN 16905-5:2017, Annex ZA for rational use of energy aspects). These documents are linked to the Energy Related Products Directive (2009/125/EC) in terms of tests conditions, tests methods and seasonal performances calculation

28、 methods under Mandate M/535; (see EN 16905-3:2017, Annex ZA, EN 16905-4:2017, Annex ZA, EN 16905-5:2017, Annex ZA and prEN 16905-2:201X, Annex ZB). These documents will be reviewed whenever new mandates could apply. According to the CEN-CENELEC Internal Regulations, the national standards organisat

29、ions of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malt

30、a, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 16905-5:2017EN 16905-5:2017 (E) 5 1 Scope 1.1 Scope of EN 16905 series This European Standard specifies the requirements, test methods and test conditions f

31、or 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”. This European

32、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,

33、II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3Pand II2Er3Paccording to EN 437. 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 w

34、hich 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 wa

35、ter 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. The appliances having their conde

36、nser cooled by air and by the evaporation of external additional water are not covered by this European Standard. Packaged units, single split and multisplit systems are covered by this European Standard. Single duct and double duct units are covered by this European Standard. The above appliances c

37、an have one or more primary or secondary functions. 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. In the case of packaged units (consisting of several par

38、ts), this European Standard applies only to those designed and supplied as a complete package. NOTE All the symbols given in this text are used regardless of the language used. 1.2 Scope of EN 16905-5 This part of the EN 16905 series specifies the calculation of seasonal performance factor for gas-f

39、ired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery. BS EN 16905-5:2017EN 16905-5:2017 (E) 6 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its applica

40、tion. 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, Gas-fired endothermic engine driven heat pumps Part 1: Terms and definitions EN 16905-4:2017, Gas-fired endothermic engine

41、 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 apply. 4 Part load conditions in cooling mode 4.1 General For the purpose of calculation of application SGUEc, SAEFc, SEHREgasc, SEHREeleccand reference SG

42、UEc, SAEFc, SEHREgasc, SEHREeleccas explained in Clauses 6 and 7, the part load ratios mentioned below shall be based on the part load ratio Formulae (1)st column of Tables 1 to 2) and not on the rounded figures as mentioned in the 2nd column of these tables. The calculation of SGUEc, SAEFc, SEHREga

43、sc, SEHREeleccand reference SGUEc, SAEFc, SEHREgasc, SEHREeleccis determined via linear interpolation of the respective part load values at the reference part load conditions mentioned below (A, B, C, D). 4.2 Air-to-air units The part load conditions for determining the reference SGUEc(Formula (2),

44、SAEFc(Formula (4), SEHREgasc(Formula (7), SEHREelecc(Formula (8) are given in the following table: Table 1 Part load conditions of air to air units and air-cooled multisplit systems in cooling mode Part load ratio Part load ratio % Outdoor air dry bulb temperature C Indoor air dry bulb (wet bulb) te

45、mperatures C A (3516)/(Tdesignc-16) 100 35 27(19) B (3016)/(Tdesignc-16) 74 30 27(19) C (2516)/(Tdesignc-16) 47 25 27(19) D (2016)/(Tdesignc-16) 21 20 27(19) 4.3 Water-to-air and brine to air units The part load conditions for determining the reference SGUEc(Formula (2), SAEFc(Formula (4), SEHREgasc

46、(Formula (7), SEHREelecc(Formula (8) are given in the following table: BS EN 16905-5:2017EN 16905-5:2017 (E) 7 Table 2 Part load conditions of water-to-air and brine-to-air units in cooling mode Part load ratio Part load ratio % Outdoor heat exchanger Indoor heat exchanger Cooling tower bor water lo

47、op application Inlet/outlet water temperatures C Ground coupled application (water or brine) Inlet/outlet water temperatures C Dry cooler application Inlet/outlet water temperatures C Air dry bulb (wet bulb) temperatures C A (3516)/(Tdesignc-16) 100 30/35 10/15 50/45 27(19) B (3016)/(Tdesignc-16) 74

48、 26/a10/a45/a27(19) C (2516)/(Tdesignc-16) 47 22/a10/a40/a27(19) D (2016)/(Tdesignc-16) 21 18/a10/a35/a27(19) aWith the water flow rate as determined during the “A” test. bIf a cooling tower and a water-to-air unit are sold as a matched assembly, they shall be tested as an air-to-air unit. 4.4 Air-t

49、o-water units For each application, units either allowing or not allowing a variation of the outlet water temperature with the outdoor temperature are considered. The variable outlet temperature shall only be applied when the control provides a regulation of outlet water temperature that considers the outdoor temperature. The part load conditions for determining the reference SGUEc(Formula (2), SAEFc(Formula (4), SEHREgasc(Formula (7), SEHREelecc(Formula (8) are given in the following table: BS EN 16905-5:2017EN 16905-5:2017 (E) 8

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