《EN 14511-3-2004 空间加热和制冷用带电驱动压缩机的空调、液体冷却包和热泵.第3部分试验方法.pdf》由会员分享，可在线阅读，更多相关《EN 14511-3-2004 空间加热和制冷用带电驱动压缩机的空调、液体冷却包和热泵.第3部分试验方法.pdf（44页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、EUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN 14511-3May 2004ICS 23.120Supersedes EN 12055:1998,EN 255-2:1997,EN 814-2:1997English versionAir conditioners,liquid chilling packages and heat pumps withelectrically driven compressors for space heating and cooling-Part 3:Test methodsClimatiseurs,gro
2、upes refroidisseurs de liquide et pompes chaleur avec compresseur entran par moteur lectriquepour le chauffage et la rfrigration-Partie 3:MthodesdessaiLuftkonditionierer,Flssigkeitskhlstze undWrmepumpen mit elektrisch angetriebenen Verdichternfr die Raumheizung und-khlung-Teil 3:PrfverfahrenThis Eur
3、opean Standard was approved by CEN on 30 April 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration.Up-to-date lists and bibliographical references conce
4、rning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions(English,French,German).A version in any other language made by translationunder the responsibility of a CEN member into its own languag
5、e and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria,Belgium,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norwa
6、y,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre:rue de Stassart,36 B-1050 Brussels 2004 CENAll rights of exploitation in any form and by any means reser
7、vedworldwide for CEN national Members.Ref.No.EN 14511-3:2004:EEN 14511-3:2004(E)2ContentspageForeword.41Scope.52Normative references.53Terms and definitions.54Rating capacity test.64.1Basic principles.64.1.1Heating capacity.64.1.2Cooling capacity.64.1.3Heat recovery capacity.74.1.4Power input of fan
8、s for units without duct connection.74.1.5Power input of fans for units with duct connection.84.1.6Power input of liquid pumps.84.1.7Units for use with remote condenser.94.2Test apparatus.94.2.1Arrangement of the test apparatus.94.2.2Installation and connection of the test object.104.3Uncertainties
9、of measurement.114.4Test procedure.124.4.1General.124.4.2Output measurement for water-to-water and water-to-air units.144.4.3Output measurement for cooling capacity of air-to-water and air-to-air units.144.4.4Output measurement for heating capacity of air-to-water and air-to-air units.154.5Test resu
10、lts.174.5.1Data to be recorded.174.5.2Cooling capacity and heat recovery capacity calculation.194.5.3Heating capacity calculation.194.5.4Effective power input calculation.205Heat recovery test for multisplit systems.205.1Test installation.205.1.1General.205.1.2Three-room calorimeter method.205.1.3Th
11、ree-room air-enthalpy method.205.1.4Two-room air-enthalpy method.215.2Test procedure.215.3Test results.216Test report.216.1General information.216.2Additional information.226.3Rating test results.22Annex A(normative)Calorimeter test method.23A.1General.23A.2Transient heating capacity test.26A.3Calib
12、rated room-type calorimeter.26A.4Balanced ambient room-type calorimeter.27A.5Calorimeter and auxiliary equipment for water-cooled condenser tests.27A.6Calculations-cooling capacities.27EN 14511-3:2004(E)3A.6.1General.27A.7Calculation-heating capacities.29A.7.1General.29Annex B(normative)Indoor air e
13、nthalpy test method.31B.1General.31B.2Application.31B.3Calculations-cooling capacities.31B.4Calculations-heating capacities.32Annex C(informative)Heating capacity tests.Flow chart and examples of different testsequences.33Annex D(informative)Conformance criteria.37D.1Liquid chilling packages.37D.2Ca
14、lorimeter room method.37D.3Heat recovery of multisplit systems.37Annex E(informative)Symbols used in annexes.38Annex F(informative)Test at system reduced capacity ratio.40F.1General.40F.2Selection of units.40F.3Temperature conditions.40F.4Test results.40Annex G(informative)Individual unit tests.41G.
15、1General.41G.1.1Methods.41G.1.2Calorimeter method.41G.1.3Air-enthalpy method.41G.2Temperatures conditions.41G.3Other test conditions.41G.4Test results.41G.5Published results.42Annex ZA(informative)Relationship of this document with EC Directives.43Bibliography.44EN 14511-3:2004(E)4ForewordThis docum
16、ent(EN 14511-3:2004)has been prepared by Technical Committee CEN/TC 113“Heat pumpsand air conditioning units”,the secretariat of which is held by AENOR.This European Standard shall be given the status of a national standard,either by publication of an identicaltext or by endorsement,at the latest by
17、 November 2004,and conflicting national standards shall be withdrawnat the latest by November 2004.This document supersedes EN 255-1:1997,EN 814-1:1997,EN 12055:1998.This document has been prepared under a mandate given to CEN by the European Commission and theEuropean Free Trade Association,and sup
18、ports essential requirements of EU Directive(s).For relationship with EU Directive(s),see informative annex ZA,which is an integral part of this document.This standard consists of the following parts:Part 1:Air conditioners,liquid chilling packages and heat pumps with electrically driven compressors
19、 forspace heating and cooling-Part 1:Terms and definitions.Part 2:Air conditioners,liquid chilling packages and heat pumps with electrically driven compressors forspace heating and cooling-Part 2:Test conditions.Part 3:Air conditioners,liquid chilling packages and heat pumps with electrically driven
20、 compressors forspace heating and cooling-Part 3:Test methods.Part 4:Air conditioners,liquid chilling packages and heat pumps with electrically driven compressors forspace heating and cooling-Part 4:Requirements.Annexes A and B are normative and annexes C,D,E,F and G are informative.According to the
21、 CEN/CENELEC Internal Regulations,the national standards organizations of the followingcountries are bound to implement this European Standard:Austria,Belgium,Cyprus,Czech Republic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlan
22、ds,Norway,Poland,Portugal,Slovakia,Slovenia,Spain,Sweden,Switzerlandand United Kingdom.EN 14511-3:2004(E)51 ScopeThis part of EN 14511 specifies the test methods for the rating and performance of air and water-cooled airconditioners,liquid chilling packages,air-to-air,water-to-air,air-to-water and w
23、ater-to-water heat pumps withelectrically driven compressors when used for space heating and cooling.It also specifies the method of testing and reporting for heat recovery capacities,system reduced capacities andthe capacity of individual indoor units of multisplit systems,where applicable.This Eur
24、opean Standard applies to factory-made units that can be ducted.This standard applies to factory-made liquid chilling packages with integral condensers or for use with remotecondensers.This standard applies to factory-made units of either fixed capacity or variable capacity by any means.Packaged uni
25、ts,single split and multisplit systems are covered by this standard,except water-cooled multisplitsystems.In the case of units consisting of several parts,the standard applies only to those designed and supplied as acomplete package,except for liquid chilling packages with remote condenser.This stan
26、dard is primarily intended for water and brine chilling packages but can be used for other liquid subject toagreement.This standard applies to air-to-air air conditioners which evaporate the condensate on the condenser side.The units having their condenser cooled by air and by the evaporation of ext
27、ernal additional water are notcovered by this standard.This standard does not apply to units using transcritical cycles,e.g.with CO2 as refrigerant.Installations used for heating and/or cooling of industrial processes are not within the scope of this standard.NOTE 1Part load testing of units is deal
28、t with in CEN/TS 14825.NOTE 2All the symbols given in this text should be used regardless of the language used.2 Normative referencesThis European Standard incorporates by dated or undated reference,provisions from other publications.These normative references are cited at the appropriate places in
29、the text,and the publications are listedhereafter.For dated references,subsequent amendments to or revisions of any of these publications apply tothis European Standard only when incorporated in it by amendment or revision.For undated references thelatest edition of the publication referred to appli
30、es(including amendments).EN 14511-1;2004,Air conditioners,liquid chilling packages and heat pumps with electrically drivencompressors for space heating and cooling Part 1:Terms and definitions.EN 14511-2:2004,Air conditioners,liquid chilling packages and heat pumps with electrically drivencompressor
31、s for space heating and cooling Part 2:Test conditions.3 Terms and definitionsFor the purposes of this European Standard,the terms and definitions given in EN 14511-1:2004 apply.EN 14511-3:2004(E)64 Rating capacity test4.1 Basic principles4.1.1 Heating capacityThe heating capacity of air conditioner
32、s and of air-to-air or water-to-air heat pumps shall be determined bymeasurements in a calorimeter room or by the air enthalpy method which are described in annex A and annex Brespectively.The heating capacity of air-to-water,water-to-water heat pumps and liquid chilling packages shall be determined
33、in accordance with the direct method at the water or brine heat exchanger,by determination of the volume flow ofthe heat transfer medium,and the inlet and outlet temperatures,taking into consideration the specific heatcapacity and density of the heat transfer medium.For steady state operation,the he
34、ating capacity shall be determined using the following formula:tcqPpH=(1)wherePH is the heat capacity,in Watts;qis the volume flow rate,in cubic metres per second;is the density,in kilograms per cubic metre;cpis the specific heat at constant pressure,in joules per kilogram and kelvin;tis the differe
35、nce between inlet and outlet temperatures,in kelvin.For the heating capacity calculation in transient operation,refer to 4.5.3.2.The heating capacity shall be corrected for the heat from the fan or pump:if the fan or pump at the indoor heat exchanger is an integral part of the unit,the same power(ca
36、lculatedin 4.1.5.1 or 4.1.6.1)which is excluded from the total power input shall be also subtracted from theheating capacity;If the fan or pump at the indoor heat exchanger is not an integral part of the unit,the same power(calculated in 4.1.5.2 or 4.1.6.2)which is included in the effective power in
37、put shall be also added to theheating capacity.4.1.2 Cooling capacityThe cooling capacity of air conditioners and of air-to-air or water-to-air heat pumps shall be determined bymeasurements in a calorimeter room or by the air enthalpy method which are described in annex A and annex Brespectively.The
38、 cooling capacity of air-to-water,water-to-water heat pumps and liquid chilling packages shall be determinedin accordance with the direct method at the water or brine heat exchanger,by determination of the volume flow ofthe heat transfer medium,and the inlet and outlet temperatures,taking into consi
39、deration the specific heatcapacity and density of the heat transfer medium.The cooling capacity shall be determined using the following formula:EN 14511-3:2004(E)7tcqPpC=(2)wherePCis the cooling capacity,in Watts;qis the volume flow rate,in cubic metres per second;is the density,in kilograms per cub
40、ic metre;cpis the specific heat at constant pressure,in joules per kilogram and kelvin;tis the difference between inlet and outlet temperatures,in kelvin.The cooling capacity shall be corrected for the heat from the fan or pump:a)If the fan or pump at the evaporator is an integral part of the unit,t
41、he same power(calculated in 4.1.5.1 or4.1.6.1)which is excluded from the total power input is also added to the cooling capacity.b)If the fan or pump at the evaporator is not an integral part of the unit,the same power(calculated in4.1.5.2 or 4.1.6.2)which is included in the effective power input is
42、 also subtracted from the coolingcapacity.4.1.3 Heat recovery capacityThe heat recovery capacity of air-to-water and water-to-water heat pumps and liquid chilling packages shall bedetermined in accordance with the direct method at the water or brine heat exchanger,by determination of thevolume flow
43、of the heat transfer medium,and the inlet and outlet temperatures,taking into consideration thespecific heat capacity and density of the heat transfer medium.The heat recovery capacity shall be determined using the following formula:tcqPpHR=(3)wherePHRis the heat recovery capacity,in Watts;qis the v
44、olume flow rate,in cubic metres per second;is the density,in kilograms per cubic metre;cpis the specific heat at constant pressure,in joules per kilogram and kelvin;tis the difference between inlet and outlet temperatures in kelvin.4.1.4 Power input of fans for units without duct connectionIn the ca
45、se of units which are not designed for duct connection,i.e.which do not permit any external pressuredifferences,and which are equipped with an integral fan,the power absorbed by the fan shall be included in theeffective power absorbed by the unit.EN 14511-3:2004(E)84.1.5 Power input of fans for unit
46、s with duct connection4.1.5.1If a fan is an integral part of the unit,only a fraction of the input of the fan motor shall be includedin the effective power absorbed by the unit.The fraction that is to be excluded from the total power absorbedby the unit shall be calculated using the following formul
47、a:epq W(4)whereis 0,3 by convention;peis the available external static pressure difference,in Pascals;qis the nominal air flow rate,in cubic meters per second.4.1.5.2If no fan is provided with the unit,the proportional power input which is to be included in theeffective power absorbed by the unit,sh
48、all be calculated using the following formula:ipq W(5)whereis 0,3 by convention;piis the measured internal static pressure difference,in Pascals;qis the nominal air flow rate,in cubic meters per second.4.1.6 Power input of liquid pumps4.1.6.1If a liquid pump is an integral part of the unit,only a fr
49、action of the input to the pump motor shallbe included in the effective power absorbed by the unit.The fraction which is to be excluded from the totalpower absorbed by the unit shall be calculated using the following formula:epq W(6)whereis 0,3 by convention;peis the available external static pressu
50、re difference,in Pascals;qis the nominal water flow rate,in cubic meters per second.4.1.6.2If no liquid pump is provided with the unit,the proportional power input which is to be included inthe effective power absorbed by the unit,shall be calculated using the following formula:ipq W(7)EN 14511-3:20