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CERTIFICATION REFERENCE CERTIFICATION

1. Heat Pump NF mar Dual mode Dual mode System Sample Block diagram HP type components Dual C4 Alternating condenser HP operation HP Storage tank Pc with dual Lio 5 incorporating 3 i condenser and wn 5 f exchanger Oh DHW L j Circulator excha nger Circuit de chauffage i pump s Dual Eau chaude condenser HP Alternating Storage tank operation HP incorporating 6 with dual one ofthe oe condenser condensers de 5 5 without DHW With or Cate a exchanger without fp OI Circulation pump HP Eau chaude lt a Storage tank A Alternating incorporating iz operation HP exchanger for Circuit de chauffage CE 7 f B instant DHW 23 Simultaneous production ra QD operation HP Circulation pump 3 way valve C 4 1 1 Simultaneous operation dual mode HP A simultaneous operation dual mode heat pump is a system composed of C 4 1 2 Alternating operation dual mode HP a heat pump a storage tank incorporating an exchanger if applicable a control system accessories An alternating operation dual mode HP is a system composed of e Aheat pump a storage tank a control system if applicable hydraulic circuit switching component e g 3 way valve one or more circulation pump s if applicable if applicable an intermediate exchanger accessories Certification reference NF
2. Cases L 1 M 2 3 Machines description data Declared volume of the tank liter Vn 200 200 300 Volume in water of the tank liter Ve 190 190 285 Inner diameter of the tank m D 0 43 0 5 0 55 Total empty weight of the rank kg Mallon 135 108 168 108Mass of the exchanger kg Mech 20 20 20 Coe20fficient of static heat loss Wh per 24h per 45 C QPR 3500 3500 2750 Alpha fraction low position of the exchanger a 0 25 0 25 0 25 Beta fraction ratio of the exchanger B 0 85 0 94 0 85 Gamma fraction position of the restart probe y 0 69 0 77 0 666 Probe is up YES 1 NO 0 1 1 1 Restart of the HP in phase P4 YES 1 1 1 1 Declared adjusted temperature C Tc 55 55 55 Average genuine temperature C cuve 55 2 55 56 2 Hysteresis C THyst BS 10 Standby power W Psp 12 18 11 Drawing data Energy of drawing cycle L M XL L Energy of drawing cycle Era kWh Etap 11 65 8 845 19 07 11 65 Power and COP data Phases A B C D according to EN 16147 Average power in phase A kW Pomt 4 82 6 6 14 Average COP in phase B COP pes 2 11 2 11 217 Average COP in phase C according to drawing COP tap 2 54 2 11 2 98 2 4 Average power in phase D kW Pymax 5 5 61 5 5 Simulation data Temperature stabilization time hours th 2 64 1 94 2 99 Spare capacity W Pes 75 0 89 61 3 Number of cycle n 2 2 2 Coefficient of performance in DHW production
3. Low water flow heat pumps AT 5 C Evaporator Swimming pool heating system Min COP Evaporating temperature Water inlet Water outlet C temperature C temperature C 35 26 31 3 40 High water flow heat pumps AT 2 C Evaporator Swimming pool heating system Min COP Evaporating temperature Water inlet Water outlet C temperature C temperature C 5 26 28 3 40 B 4 3 Acoustic power level Sound power levels shall be determined under the conditions set out in Appendix AA Part 10 of this certification standard Outside the building they must comply with the following thresholds Heating capacity in kW Sound power in dB A O lt capacity lt 10 lt 70 10 lt capacity lt 20 lt 73 20 lt capacity lt 50 lt 78 50 lt capacity lt 100 No threshold defined If the measured sound power level of a product exceeds the declared level for the product by more than 2 dB A all the range values must be changed on the basis of the deviation observed on the tested product between the declared sound power value and the test report result For multi split heat pumps if the measured sound power level of one or more combinations exceeds the declared level by more than 2 dB A the certification file will be presented to the Special Committee and the reduction to apply to all the combinations will be studied on a case by case basis dependin
4. e Auxiliary power among those 4 Psb Pto Poff and Pek At average climate 30_35 C or 47_55 C TE de RE RU Adjusting on water flow flow T fixe T variable T fixe T variable Nominal AS 7 Mandatory nominal point EN 14511 condition E TOL F Tbiv A 7 B 2 C 7 D 12 For a given application 30_35 C or 47_55 C and a given adjustment on water the power and COP are tested at 7 C nominal conditions of EN 14511 F Toiv for the verification of the coherence with Puesignh A point among A B C D or E TOL that is different from F Tpiv Note Tbivs 2 C and TOL lt 7 C An auxiliary power among those four Psp Pto Port and Pek When two application are declared a different auxiliary power is tested per application ex Psp at 30_35 C and Por at 47_ 55 C For each additional setting on water power and COP are added at e One point among A B C D or E TOL that is different from F Tpiv When hot climate is added power and COP are added at e One point for each declared application Note Tpvs lt 7 C and TOL Tdesignh 2 C When cool climate is added power and COP are added at e One point for each declared application among Ti or TOL if TOL gt 20 C or TOL or 15 C if TOL lt 20 C e Another point per declared application Note Tpv lt 7 C TOL lt 15 C and TOL Toesignh 22 C If the device is declared at cool climate a starting te
5. Heat Pump NF mark Gas HP tests Ts CINTRODUCTION seat coulda toe teats Mit tre ten de nied ee OS 4 2 BRIEF DESCRIPTION OF APPLIANCES CONCERNED uses 4 2 1 Engine driven HPs iii 4 2 2 1Gas fired abSOrPEHON HPS Assis age ES dial etat dat a RAM M ns 4 3 DEFINITION OF PARAMETERS AND QUANTITIES SUBJECT TO CERTIFICATION AND EVALUATIONS 3 1 Effective electric power PE kn nine nan devon dan net wali 5 3 23 IAG atin Capacity Phi easiness RAR casa ass eee ete ee ae tee 5 3 3 Effective heating capacity QE sde a eet gu stecs nat tr een cg ahs 6 3 4 Heat recovery capacity Perr evaluated quantity 0c cece ccccsescecssseececnseseceentsaeeeentssaeens 10 3 5 Effective heat recovery capacity Qen evaluated quantity 10 3 6 Cooling capacity Qr effective cooling capacity Qer 11 3 7 Gas heat inputin heating mode Ugni eoni hi iint nan nE E A EAE 11 3 8 Nominal gas heat input in heating mode Qgnh 0 ccc cccccceessaeeeceececceecstsseaeeecescetstsaeeeeess 12 3 9 Gas heat input and nominal heat input in cooling mode 13 3 10 Gas utilisation efficiency in heating mode GUE ccc ceeesstecceeeceeeceesteaeeeeeeestaaas 14 3 11 Gas utilisation efficiency in cooling mode 14 Ao TEST SETUP rain tete en a ni tea eaten ee te a nt Meter 14 AT Test Set pr quir Ments secetei ef mnt Boat oats dent cr date Patate ne Lanes ihe cada ts Pre 14 4 1 1 General requirements
6. T downstream water C T flow T return 1 5 6 5 7 12 12 5 17 5 18 23 23 5 28 5 For an upstream temperature of 10 15 C For any other upstream source temperature the test is performed with the nominal downstream source flow rate obtained during the 10 15 C test The nominal flow rate for the upstream source obtained during the 10 15 C test is retained for the tests at other upstream source temperatures A 5 3 5 Glycol water water or glycol water glycol water HP T upstream glycol water C T return O 10 20 30 40 T downstream water or glycol water C T flow T return 1 5 6 5 7 12 12 5 17 5 18 23 23 5 28 5 For an upstream temperature of 30 35 C For any other upstream source temperature the test is performed with the nominal downstream source flow rate obtained during the 30 35 C test The nominal flow rate for the upstream source obtained during the 30 35 C test is retained for the tests at other upstream source temperatures Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix A Heating and cooling A 5 3 6 Ground water recycled air HP T return T flow T upstream ground water C 5 10 20 15 T downstream recycled air C 22 27 32 37 The nominal flow rate
7. Appendix E 2 15 Heat Pump NF mark Gas engine driven HP E 1 APPLICABILITY This part of the NF HP reference defines the specific provisions for engine driven gas heat pumps for heating premises including machines having a cooling function reversible The cooling function can only be certified with the space heating function The products covered are defined according to the following types gt outdoor air water type gt outdoor air recycled air type The certified characteristics are The gas utilisation efficiency GUE The heating capacity The absorbed electrical power The acoustic power level VVVV The following characteristics can be optionally certified gt The particular characteristics of variable power regulation HPs gt The minimum continuous operation Load Ratio LRcontmin gt The GUE at LRcontmin gt The performance correction coefficient at LRcontmin CcpLRcontmin gt The electrical power of the auxiliaries at zero load PauxO gt Additionally for the cooling function the following characteristics can also be certified gt The gas utilisation efficiency GUE gt The cooling power E 2 REFERENCE DOCUMENTS The standards mentioned in 2 2 2 are completed by the following NF EN 14511 1 October 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling o Part 1 Terms and definitions o Part 2
8. Result quantity measured ambient temperature around room calorimeter Room calorimeter power supplied to room calorimeter power extracted from room calorimeter ambient temperature around room calorimeter humidifier incoming water temperature condensate tem perature Defrosting defrosting period S operating cycle with defrosting min Capacities heating capacity Py W total cooling capacity Pc W latent cooling capacity P1 W sensitive cooling capacity Ps W Coefficients COP W W EER W W SHR W W a For air air appliances only Table 13 Data to be recorded for tests using the calorimetric method 3 3 Note The gas related quantity measurements see Table 9 should also be recorded for tests based on the calorimetric method therefore in addition to those in Table 11 to Table 13 Certification reference NF 414 Rev 8 Appendix EE 38 47 Heat Pump NF mark Gas HP tests ANNEXE A CALCULATION OF CORRECTIONS Cnpoor Coutpoor AND Cur A 1 Calculation of correction Cindoor e For appliances using air as the inside heat transfer fluid If the fan is built into the appliance _ qX Ap ESP in indoor A 1 7 else x Api ESP Cindoor qx Api ESP A 2 7 where n is 0 3 by convention Ape ESP min is the available external static pressure differential measured on the appliance terminals the minimum external static pressure as defined in
9. Test conditions o Part 3 Test methods o Part 4 Requirements NF EN 14825 November 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Testing and rating at part load conditions Certification reference NF 414 Rev 8 Appendix E 3 15 Heat Pump NF mark Gas engine driven HP E 3 DEFINITION OF SYSTEMS AND RANGES An engine driven gas heat pump system consists of the following components a gas heat engine a heat sink one or more compressor s a refrigeration circuit a condenser an expansion device an evaporator a control system An engine driven gas heat pump range comprises products with the same components namely same refrigeration process for example number of compressors or stages same refrigerant same heat engine type same compressor type same expansion valve type same heat recovery unit type same evaporator type same condenser type same defrost principle hot gas injection valve same power regulation principle refrigerant performance management same heat recovery regulation principle Special case e Fora range of appliances offering options incorporated into the heat pump these constitute different ranges if such options have an impact on the certified features of the heat pump In this case the applicant shall complete separate applications for the right to use the NF mark e A heat pump range wi
10. 5 DATA AND CERTIFIED FEATURES FOR SINGLE UNITS AND SINGLE SPLITS 32 37 A For joint applications for space heating HPs AND swimming pool HPs fill in the table below for each of the two functions Characteristics for heating applications HP no 1 HP no 2 HP no 3 HP no HP no Reference Model of the heat pump or combination Reference of indoor unit Nominal voltage in V Current type 50 Hz or 3 50Hz or 3 Nv50 Hz If applicable Regulation changeover threshold LReontmin Performance correction coefficient CCPtrcontmin The share of electrical power for the auxiliaries Ratio Standby power in W Temperature conditions Heating capacity in kW Absorbed power in kW COP stated with 3 significant figures Temperature conditions Heating capacity in kW Absorbed power in kW COP stated with 3 significant figures Temperature conditions Heating capacity in kW Absorbed power in kW COP stated with 3 significant figures Sound power in dB A stated in 1 10 Under the temperature conditions gt Certification reference Heat Pump NF mark ducts Indoor side airborne discharge ducts noise NF 414 Rev 8 Appendix A Heati Outdoor side noise radiated by the casing Outdoor side global noise of openings Indoor side noise radiated by the casing
11. In the case of one of this point is different an adding tests on another model has to be performed Note if the technology circuit switching component is different no adding tests have to be performed For an admission the applicant chooses a product s which will be tested by making sure to pick a mid range product power and volume of the tank We advise the applicant to contact EUROVENT CERTITA CERTIFICATION to validate the model which will be tested The HPs which have to be tested must be provided with e the technical data sheet 89 1 of NF EN 16147 e instructions in respect of installation and maintenance in particular 89 2 of NF EN 16147 e connection component if there are specific Certification reference NF 414 Rev 8 Appendix C 7 23 Heat Pump NF mark Dual mode C 5 2 Characterization methods simultaneous operation HP Tests Performances are characterized by tests which follow the following criteria The HP is set to stabilized heating mode operation according to the provisions defined in the NF standard for the corresponding HP types for space heating Once stable operation has been achieved DHW tapping is carried out according to the cycle described by the NF EN 16147 standard and specified by the manufacturer The upstream and set point temperatures are specified by the applicant or manufacturer The condenser return temperature is set to 30 1 C The test protocol is as follows e HP installation accordin
12. Maximum effective hot water volume Maximum DHW temperature without auxiliary heating Maximum DHW temperature with or without auxiliary heating permitted by tank Dimensions in metres Height x width x depth Max service pressure of tank in MPa of exchanger in MPa Tank material Inner tank coating Type of insulation Insulation thickness mm Foaming agent type Cooling constant Wh K I day Jacket material Certification reference NF 414 Rev 8 Appendix C 21 23 Heat Pump NF mark Dual mode Supplementary electric heater Manufacturer Heating element type steatite clad Current type 230V 400V 3 400V 3N and power in W Exchanger Water buffer tank yes no Desuperheater yes no Double wall double wall material area in m2 Tubular Number of windings Lgth m Inner diam and Outer diam Plate Manufacturer Model Number of plates Position of exchanger in tank top centre bottom DHW circulator pump Manufacturer Model Number Setting position Flow rate assigned to exchanger operation mh Control Control process hydraulic or refrigeration circuit switching component Technology Certification reference NF 414 Rev 7 Appendix C 22 23 He
13. SPECIAL COMMITEE LELLELELLE 6 Evaluations of the audit and tests reports 3 1 4 gt Presentation t 3 1 4 excluding intersession validation Decision and notification 3 1 4 Follow up process Part 4 Certification reference NF 414 Rev 8 17 42 Heat Pump NF mark 3 2 CASE OF AN INITIAL APPLICATION 3 2 1 Presentation of the certification application file Before making the application the applicant must be sure to meet at the time of the application the conditions defined in these Certification Rules especially those in Part 2 regarding the corresponding product and sites He must undertake to comply with said conditions throughout the period of use of the NF mark The application shall be presented in accordance with the conditions and templates included in Part 8 Upon receiving the application EUROVENT CERTITA checks that all required documents are attached to the application and sends back an acknowledgement of receipt 3 2 2 Admissibility study of the certification application EUROVENT CERTITA checks then that the products included in the application fulfil the technical specifications established in Part 2 of these Rules EUROVENT CERTITA may request additional information required for the admissibility of the file when this is incomplete or incorrect Once the application is admissible EUROVENT CERTITA organises the inspections and informs the appli
14. and dielectric tests In accordance the internal operation mode On each appliance The functions can be tested using signal generators or on finished products Production Final product Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix C Dual mode 18 23 Electrical safety Resistance case of systems equipped with electric heating element s Testing as per NF EN 50106 Earth continuity Dielectric strength Operation Leaktightness On each appliance Production Final product Electrical components visual inspection of components and assembly As per parts list and assembly diagram in the technical file On each appliance Production Final product Certification reference NF 414 Rev 7 Appendix C 19 23 Heat Pump NF mark Dual mode STANDARD SHEET 2A TECHNICAL DATA SHEET A For all application files we have to complete one sheet per range of dual mode heat pump The following information is to be provided in addition to the information in Appendix A of this standard 1 DEFINITION OF THE USE OF THE HP COVERED BY THE APPLICATION O Alternating dual mode HP according to chart C 1 C Simultaneous dual mode HP according to chart C type2 C 1 C type 3A CT type 1 L type 4 L type 3B C types L type 7B CI type6 C other type describe C type 7A C other type describe 2 DESCRIPTION OF DUAL MODE HEA
15. Applicable during a defrosting cycle and for the first 10 minutes after the end of a defrosting cycle when the heat pump is running in heating mode i For appliances with outdoor heat exchange surface areas greater than 5m the deviation on the air inlet dry bulb temperature is multiplied by two d The variation should not exceed 2 0K The variation should not exceed 5 0K Table 8 Permitted variations in heating capacity tests when the transient mode test procedure is used Certification reference NF 414 Rev 8 Appendix EE 27 47 Heat Pump NF mark Gas HP tests 6 7 8 GUE calculation The GUE is calculated for the same data acquisition period as the heating and recovery capacities and the absorbed electrical powers as defined in 6 7 4 6 8 Heating capacity measurement for air air appliances using the room calorimeter method 6 8 1 General The test procedure includes two periods a stabilisation period and a data acquisition period The data acquisition time varies depending on whether the heat pump is running in stabilised or transient mode 6 8 2 Stabilisation period The test room warm up apparatus and the heat pump under test should run until the the test tolerances specified in Table 7 are maintained for at least 1 hour unless defrosting takes place during this period the tolerances specified in Table 8 apply If defrosting takes place during the stabilisation period the test procedure described
16. Figure Erreur Code op conditionnel inconnu 6 Transient mode heating capacity tests with two full cycles during data acquisition period Conformit aux tol rances d essai d abord obtenues u P riode de mise en temp rature 10 minutes minimum 3 heures P riode d quilibre 60min P riode d acquisition des donn es Essai en r gime transitoire Essai termin la fin des 3 cycles complets pendant la p riode d acquisition des donn es T D givrage la fin de la p riode de mise en temp rature 3 cycles complets Donn es pour calcul de puissance Certification reference NF 414 Rev 8 Appendix EE 47 47 Heat Pump NF mark Gas HP tests Figure Erreur Code op conditionnel inconnu 7 Transient mode heating capacity test with three full cycles during data acquisition period
17. Group of Name of Source of Range of Exchanger DHW Power Max range NF PAC heating tank technology regulation regulation downstream ranges temperature heating A B afhof Eurovent 6 CERTIFICATION Certita g N 4N Organisme certificateur Mi CER 11 rue Francis de Pressens Body mandated by 93571 LA PLAINE ST DENIS Cedex AFNOR Certification T l 01 41 62 80 00 Fax 01 49 17 90 00 48 50 rue de la Victoire www marque nf com 75009 PARIS T l 33 1 75 447171 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 9 APPENDIX D SPECIFIC REQUIREMENTS FOR GAS ABSORPTION HPs CONTENTS D 1 Applicability D 2 Reference documents D 3 Definition of systems and ranges D 4 Technical specifications and characterisation methods D 5 Quality control specifications Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix D 2 16 Heat Pump NF mark Gas absorption HP D 1 APPLICABILITY This part of the NF HP reference defines the specific provisions for gas absorption heat pumps for heating premises including machines having a cooling function reversible The cooling function can only be certified with the space heating function The certified characteristics are e The gas utilisation efficiency GUE e The heating capacity e The absorbed electrical power e The acoustic power level The following characteris
18. HP no 3 Reference Model of the heat pump or combination Reference of indoor unit Nominal voltage in V tg aie 50 Hz or 3 50Hz or 3 N 50 Hz Temperature conditions Absorbed power in kW GUE stated with 3 significant figures Temperature conditions ee Cooling capacity in kW Absorbed power in kW GUE stated with 3 significant figures Temperature conditions Cooling capacity in kW Absorbed power in kW GUE stated with 3 significant figures Temperature conditions er Cooling capacity in kW Absorbed power in kW GUE stated with 3 significant figures n f afhof Eurovent 2 Organisme certificateur CERTIFICATION Certita N Body mandated by 11 rue Francis de Pressens ee z 93571 LA PLAINE ST DENIS Cedex AFNOR Certification T l 01 41 62 80 00 Fax 01 49 17 90 00 www marque nf com 48 50 rue de la Victoire 75009 PARIS T l 33 1 75 447171 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 9 APPENDIX E SPECIFIC REQUIREMENTS FOR GAS ENGINE DRIVEN HPs CONTENTS E 1 Applicability E 2 Reference documents E 3 Definition of systems and ranges E 4 Technical specifications and characterisation methods E 5 Quality control specifications Rev 8 August 2014 Certification reference NF 414 Rev 8
19. T 7 T 7 T 12T T bivalent temperature Pdh T 12 T bivalent temperature T operation limit temperature Pdh Tj operation limit temperature For air to water heat pumps Pdh T 15 if TOL lt 20 For air to water heat pumps T 15 if TOL lt 20 Bivalent temperature maximum 2 Thiv For air to water HP Operation limit temperature maximum 7 Cycling interval capacity for heating at T 470 Peyeh Degradation coefficient 4 at T 7 Cdh Heating water operating limit temperature WTOL Cycling interval efficiency atT 70 Cycling interval capacity for heating at Tj 12 Degradation coefficient 4 at T 12 Cdh Power consumption in modes other than active mode Off mode Porr Thermostat off mode Pro Standby mode Psp Crankcase heater mode Pek Pcych Cycling interval efficiency at T 126 Other items Capacity control fixed variable Sound power level indoors Lwa Outdoor heat exchanger For air to water HP Rated air flow rate For water to water Rated water flow rate Jor Q aires Sound power level outdoors Lwa Contact details For brine to water Rated brine flow rate Jor Qprinesource 3 For heat pump space heaters and heat pump combination heaters the rated heat output Prated is equal to the design load for heating Pdesignh and
20. Trade name Type Rotation speed rpm Diameter of blades or turbine mm Number of blades turbines Motor Manufacturer Reference Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix A Heating and cooling 30 37 FOR INDOOR EXCHANGER for Ground Ground Air Ground type HP GROUND Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Crowns Type Manufacturer Number External diameter in mm Length of a crown in m Thickness mm Materials Certification reference NF 414 Rev 8 Appendix A 31 37 Heat Pump NF mark Heating and cooling FOR SWIMMING POOL EXCHANGER Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model for separate components from the HP Exchanger Type Manufacturer Model Number Integrated pump YES or NO for heating swimming pool exchanger HP Manufacturer Model Number Set position if several positions Glycol water type and concentration Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix A Heating and cooling
21. NF mark 6 4 INTER LABORATORY TESTS Every year the accredited laboratory of an applicant holder and one of the mark laboratories carry out standardised tests on 1 appliance presented for admission or sampled for this purpose The test reports are submitted to EUROVENT CERTITA for a comparison of results If anything abnormal is found the managers of both laboratories will take the appropriate corrective actions under EUROVENT CERTITA supervision After examining the test results EUROVENT CERTITA will be able if required and possibly after consulting the Special Committee to request further tests The costs of tests performed in the independent laboratory are borne by the applicant holder EUROVENT CERTITA is in charge of following up these tests Certification reference Heat Pump NF mark NF 414 Rev 8 29 42 6 5 AUTHORISATION PROCEDURE FOR AN APPLICANT HOLDER LABORATORY WITH RESPECT TO THE NF MARK Applicant Holder e sends a complete application file to CERTITA in 1 copy according to article 6 1 Besides the application must specify the name of the independent mark laboratory that the manufacturer would like to perform the comparison test of phase 2 conducts the NF conformity tests e draws up the corresponding test report sends to the mark laboratory e the test report e documentation for the tested appliance e keeps the tested appliance available for the independent mark laboratory e issues a test eva
22. of standard Pr NF EN 14825 E 5 QUALITY CONTROL SPECIFICATIONS The quality control provisions stated in 2 3 of the reference apply for these products In addition for these types of heat pumps and for the hydraulic circuit leak tests 2 3 3 2 2 the manufacturer must conduct a leak test at at least 0 8 times the maximum rated pressure Ps to ensure the absence of leaks Certification reference NF 414 Rev 8 Appendix E 9 15 Heat Pump NF mark Gas engine driven HP STANDARD SHEET 2 TECHNICAL DATA SHEET TO BE COMPLETED FOR ALL CERTIFICATION APPLICATIONS NB ONE sheet must be completed per heat pump range 1 DEFINITION OF THE USE OF THE ENGINE DRIVEN HP COVERED BY THE APPLICATION O Space heating HP with cooling option 2 DESCRIPTION OF THE ENGINE DRIVEN HEAT PUMP Identification of products A Be very exact in identifying the products below These identifications will be restated word for word on the admission certificate References or names for single splits or multi splits If necessary fill in per type wall bracket etc and each component indoor units Assembly unit s A To be filled in for each manufacturing site that produces machines covered by the application packages outdoor unit indoor unit Name of the machine or units Corporate name and address of manufacturing site NB Reproduce as many times as necessary Certification reference NF 414 Rev 8 Appendi
23. specific installation conditions for the HP Pressure on the air for appliances with ducting 00 0 give value Certification reference NF 414 Rev 8 Appendix A 23 37 Heat Pump NF mark Heating and cooling v Heat pump equipment tick the relevant box es Variable soeed compressor DC Inverter etc Multiple speed fan Number Variable speed fan Expansion valve with type thermostatic electronic Exchanger cooling operation free cooling Heater Domestic hot water production included in the HP a A i Other equipment or accessories If the equipment mentioned below is not installed on all the models it must be subject to separate right of use applications However we invite you to contact EUROVENT CERTITA CERTIFICATION to confirm this Reversible cycle cooling operation reversible heat pump Passive cooling mode operation Circulation pump for collectors Multiple speed circulation pump Number Variable speed pump Circulation pump for the heating circuit Multiple speed circulation pump Number Variable speed pump RS By Accumulator buffer tank y requested operating points Depending on the HP categories covered by the application heating and reversible if appropriate swimming pools the requested operating points shall be detailed in the data and characteristics tables given in 4 below Starting point at 15 C For Outdoor Air Water type heat pumps a
24. 0 5K 1 gas flow rate m h or kg h gas temperature C calorific value Electrical quantities electric power voltage 0 2stolhr 0 1 after 1 hr Table 5 Measurement uncertainties on specified values The heating capacity measured at the liquid end should be determined with a maximum uncertainty equivalent to the maximum between 5 and 20 5 T regardless of the individual measurement uncertainties including fluid property uncertainties Certification reference NF 414 Rev 8 Appendix EE 18 47 Heat Pump NF mark Gas HP tests The heating capacity in stabilised mode determined using the calorimetric method should be determined with a maximum uncertainty of 5 regardless of the individual measurement uncertainties including fluid property uncertainties The gas heat input should be determined with a maximum uncertainty of 2 regardless of the individual measurement uncertainties including fluid property uncertainties In the case of transient mode tests appliance on off cycle defrosting cycles etc no maximum measurement uncertainty is required for the heating capacity determined the absorbed electrical power and the gas heat input However the various instruments suitable for determining these parameters should observe the measurement uncertainties defined in Table 5 when used for stabilised mode tests 6 TEST PROCEDURE 6 1 General For measurements made in heating mode set to the hi
25. 14 4 1 2 Feed gas requirements Matane ty MER nt a a ne eel 15 4 1 3 Test chamber requirements at air end 0 cccecccccccccecsssseaeeecececeecetssaeeeceeceneesateeeess 15 4 1 4 DUCTED 1 0 0 EE AI A Meehan eis T E 15 4 1 5 Appliances with integrated PUMPS ce ccccccccccccceesssseaeeeeeeeccecetssaaeeeeeeccsssaeaeeess 15 4 2 Test applianc s t upand connection eh tin nena 16 AT Generali nn ann tete nt ahd ea ee ee te ne de at 16 4 2 2 Set up of appliances with separate components 16 4 2 3 Measurements sente ans restes Se die apes ete et Tan de dau 16 5 MEASUREMENT UNCERTAINTIES nn Rs a a etienne rate aan 17 6 TEST PROCEDURE tn nt tt Re nt PR An D ne nn tt tire tt 18 Oe CT TS TEE E A A E 18 S LAN a ENTIE es E A E E leek A A TA 18 6 3 D ctless appliance Sindan e E E E ts aie E OR sane 18 6 4 Appliances connected to the inside heat exchanger ssssssesiiiissesseensirrinresrenrirrenrerrrrns 18 6 5 Appliances connected to the outdoor heat exchanger 20 6 6 Heating capacity measurement for liquid liquid and liquid air appliances s s s 21 6 6 1 Stabilised mode conditions and setting s ssessseinrisressernrirrirrssrrrrirrinrerrrrrrrrs 21 Certification reference NF 414 Rev 8 Appendix EE 3 47 Heat Pump NF mark Gas HP tests 6 6 2 Heating capacity cooling capacity recovery capacity gas heat input and absorbed electrical powerMeasUreMeNt satin sdeeieeas Moras dode
26. 35 30 45 40 55 47 65 55 For an upstream temperature of 4 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 4 C test Corresponds to the temperature of the bath glycol water A 5 2 11 Ground ground HP T upstream ground C 5 T downstream ground C 35 Corresponds to the evaporation temperature Corresponds to the condensation temperature Certification reference NF 414 Rev 8 Appendix A 9 37 Heat Pump NF mark Heating and cooling A 5 2 12 Water ground HP T upstream water C T return 5 10 15 20 T flow 7 T downstream ground C gt D A The nominal flow rate for the upstream source obtained during the 10 7 C test is retained for the tests at other upstream source temperatures Corresponds to the condensation temperature A 5 2 13 Outdoor air ground HP The heat pump must be started up to validate the operating range by taking an outdoor temperature of 15 C and an indoor temperature of 15 C The HP must be able to start and operate for 20 minutes T upstream outdoor air C 15 7 2 7 20 T downstream ground C z D E RE DE EE Corresponds to the condensation temperature A 5 3 Energy performance in coolin
27. 414 Rev 8 Appendix C 5 23 Heat Pump NF mark Dual mode C 4 2 Tank ranges A range of tanks is a set of tanks which the following elements are identical heat losses the ratio of the static losses to the tank volume to be supported by the manufacturer does not differ by more than 40 position horizontal or vertical geometry cylindrical spherical if applicable relative position and type low high or middle of the exchanger and the electrical reserve For some special cases in which these provisions are unsuitable special provisions may be defined a case by case basis C 4 3 Range of dual mode HP A simultaneous operation dual mode HP range is a set of systems solely comprising e HPs belonging to the same range according to the definition of HPs for space heating Appendix A e the same tank model i e for which the following items are identical see C 4 2 e the same exchanger model i e for which the following items are identical technology plates coils etc e the same DHW function control process e same technology of hydraulic or refrigerating circuit switching component if applicable for alternating operation dual mode HP Figure C 1 Schematic representation of dual mode heat pump range A dual mode range A heating HP range A range of tanks A type of exchanger coils plates Tank 1 Tank 2 The same DHW function control process Tank 3 A techn
28. CERTITA NF 414 Client Manager 48 50 rue de la Victoire 75 009 PARIS FRANCE RE Heat Pump NF MARK Application for the right to use the NF mark or subsequent admission application Attachment s a technical file Dear Sir lam writing to apply for the right to use the NF Mark for the following commercial brand trade mark trade name for the products reference name of models The products can be described in the standard sheet 2 technical data sheet In this case refer thereto cccccccccseseeseeseesesesesesesuseseseseseseueueueueueueueueseuenensa manufactured in the following unit s Corporate name and address which can be described in the standard sheet 2 technical data sheet In this case refer thereto cceccsssssssssssesssssessssssseseseseeessreees In this respect declare knowledge and acceptance of the General rules of the NF mark the Heat Pump NF mark certification rules and undertake to comply thereto during throughout the period of use of the NF mark To save this commercial brand to certified products and check it allows to distinguish them between non certified products Provide to persons in charge of the checking process application file tests audits all the necessary information in preparation of his her examination such as documents records allows him her the access of the equipment sites workforce and subcontractors To instruct record process in the most suitable way a
29. Each report showing deviation out of tolerance requires an answer within a timeframe fixed within the report or the accompanying letter The applicant must present for each deviation the actions taken or to be taken including the schedule to put them in place EUROVENT CERTITA analyses the relevance of the response and is entitled to request an additional inspection full or partial audit and or tests If necessary EUROVENT CERTITA may present all of the evaluation results anonymously to the Special Committee for review Depending on the results of all inspections EUROVENT CERTITA notifies one of the following decisions a Renewal of certification This renewal may be include comments or a request for corrective action if necessary If a decision to uphold certification has been made AFNOR Certification upholds the right to use the NF mark b Renewal of certification with a notice to correct any detected breach within a specific time frame This conditional renewal may or may not be accompanied by increased inspections testing or audits c Suspension of certification suspension has a maximum duration of one year After this withdrawal of certification is pronounced d Withdrawal of certification If a decision to suspend or withdraw certification has been made AFNOR Certification suspends or withdraws the right to use the NF mark For sanctions b c and d the fees for additional verifications are charged to the licensee
30. Heating capacity Electric power appliance Appliance outdoor exchanger fluid Electrical component for indoor effective effective type exchanger fluid circulation circulation Q P EH E Ductless air The fan is integrated in the The fan is integrated in the On Cea Py P P Ductless air appliance appliance The fan is integrated in the Ox Ce t Pi C P Pac Ductless air The fan is integrated in the appliance Ducted air appliance The fan is not integrated in the One Cea Pr Cininor P P Cpo appliance The fan is integrated in the One Cou Pa PSP Ducted air appliance The fan is integrated in the Ducted air The fan is not integrated in appliance O04 Cea P P P Co the appliance The fan is integrated in the Orn Ceaz Py FC indoor P Se C indoor ia C outdoor The fan is integrated in the appliance appliance The fan is not integrated in the Qy Cea Pry Co PPko Ei Ducted appliance epee o The fan is integrated in the On Ceaz Py aa oe ae P P gt C indoor Coutdoor The fan is not integrated in appliance the appliance The fan is not integrated in the Onin Ceaz Pry Co P Pies des Table 2 Qen and Pe calculation for Air Air appliances Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests 9 47 Electrical component for Heating capacity Electric power appliance Applianc
31. Indoor side airborne noise in the suction in Indoor side airborne noise in the suction inlet and radiated noise by the casing the ng and cooling 33 37 The ratio heating power absorbed power is rounded up with 3 significant figures to 2 decimal places Examples Heating Power 79 89 79 90 80 00 80 09 80 10 80 00 80 00 80 00 80 00 kW Absorbed power 20 00 20 00 20 00 20 00 20 00 20 03 20 02 19 98 19 97 kW COP 3 99 4 00 4 00 4 01 3 99 4 00 4 00 4 00 4 01 Characteristics HP no 1 HP no 2 HP no 3 HP no HP no for cooling applications or combination Reference of indoor u nit Reference Model of the heat pump Nominal voltage in V Current type 50 Hz or 3 50Hz or 3 Nv50 Hz Temperature conditions ere EEEE Cooling capacity in kW Absorbed power in kW EER stated with 3 significant figures Temperature conditions Cooling capacity in kW Absorbed power in kW EER stated with 3 significant figures Certification reference Heat Pump NF mark Heati Cooling capacity in kW Absorbed power in kW EER stated with 3 significant figures ng and coolin NF 414 Rev 8 Appendix A 8 Temperature conditions COPEN ls C Cooling capacity in kW Absorbed power in kW EER state
32. Pendant l quilibre OU AT gt 2 5 OU cycle de d givrage P riode d acquisition Pendant l quilibre des donn es 35 min OU AT gt 2 5 selon 4 4 4 4 OU cycle de d givrage P riode d acquisition des donn es 35 min selon 4444 Pendant l quilibre MODE OP RATOIRE OU AT gt 2 5 D ESSAI EN REGIME TRANSITOIRE selon OU cycle de d givrage A mae 4 4 4 7 Pendant l acquisition des donn es OU AT gt 2 5 OU cycle de d givrage MODE OPERATOIRE D ESSAI EN REGIME STABILISE selon 4 4 4 4 Figure C 1 Flow chart Certification reference NF 414 Rev 8 Appendix EE 44 47 Heat Pump NF mark Gas HP tests C 2 Figures E 2 to E 7 below show some scenarios liable to arise during a heating capacity test as specified in 6 6 2 All the examples show scenarios in which a warm up period ends with a defrosting cycle Conformit aux tol rances P riode de mise en temp rature d essai d abord 10 minutes minimum obtenues Q Donn es pour calcul de puissance P riode d acquisition des donn es 70 min P riode d quilibre 60 min Essai en r gime stabilis Essai termin quand la p riode d acquisition des donn es est gale 3 heures AT Ace x air ou eau c t int rieur wT Agrandissement D givrage la fin de la p riode de mise en tem
33. Reference model of heat pump or combination Operating mode water flow fixed or variable Output water temperature fixed or variable Application 30_35 C or 47_55 C Climate cool average or hot Nominal thermal performance Prated Kw Seasonal performance coefficient SCOP Net seasonal performance coefficient SCOP Seasonal thermal efficiency ns AN Values are to be filled in for selected models for tests Model s Air to water heat pump Water to water heat pump Brine to water heat pump Low temperature heat pump For low temperature heat pumps parameters shall be declared for low temperature application Otherw ise parameters shall be declared for medium temperature application Parameters shall be declared for average climate conditions Item Symbol Value Item Symbol Rated heat output 3 Prated at Tdesignh 10 11 Pdesignh kW Seasonal space heating energy efficiency n Seasonal coefficient of performance SCOP Active mode coef of performance SCOP on Net seasonal coef of performance SCOP ret Declared capacity for heating for part load at indoor temperature 20 and outdoor temperature Tj Declared coefficient of performance or primary energy ratio for part load at indoor temperature 20 and outdoor temperature Tj i 7 i 7 T 2C T 2 C
34. TENTA ATNA R 16 3 1 RONE S E A E E E A E E EE O E AE E A E E E bed 16 3 2 Case of an inita application eT a a a e Oa 17 3 3 Evaluation and deto ninae a id beg headed ied aed add I oe tag da 18 3 4 Case of a subseq entappli ation EEE muet Re RAR RES ot ts onesie in beaks 19 3 5 Case ofan applicationfor xtension a ss tisane ln dati dead attirer detente add 19 3 6 Case of an application for maintenance iii 20 PART 4 CERTIFICATION MONITORING ccsssccccsssseceecsesceccesceeeeesseeeecssseececesueeeeessaseesessuseeceesueeescesseeessesreeseseaees 21 4 1 PrOGESS RP TE PA EE ER a EE 21 4 2 Methods for follow up inspections ie 22 4 3 Evaluation and decision users 23 4 4 Modifications statement sienne 23 PARTS INVOLVED BODIES isis rhinite nie fin tetes etes ae ni ae edited s sels 25 5 1 Mandated body assassins dt men nine R Notice 25 522 AUGIE DOG ENEE I AEA TEA IE SA T OEA A T EEA TEE EEE OO EA aes canciones 25 5 3 1o AAE E TEA E E E A E TE EE A E EL EAA 25 5 4 Special Committeeror the NF Mark disent dan a ee don detre aea r ani nie aiaa 26 PART6 USE OF HOLDERS APPLICANTS LABORATORIES csscssscssessssscseescsessessecoeessssecseseseseessecseenseueeatenssnaees 27 6 1 NE atithOrisation re questcssxt ttebiiat lined Sted tehtaadide aa a e e etnies 27 6 2 NF authorisation approval and authorisation period 27 6 3 Verification and renewal of the authorisation sise 27 6 4 interlaboratory tests assis min te cee ice eee
35. ae Let Ge Rel He on rar AR de AN 28 6 5 Authorisation procedure for an applicant holder laboratory with respect to the NF mark 29 6 6 Procedure for tests carried out by an authorised NF laboratory according to its authorisation scope 30 PART 7 RATES rincer een nina rent nn rent tnt 31 7 1 Services relating to NF certification iii 31 7 2 Collecting payment for services iii 32 7 3 RATES En et eme t en E gs tases ado nn tb en een E tan ee et 32 PARTS CERTIFICATION FILES css sas prikrii E a hss nt An nent ne AN tentent an nt 33 8 1 Application tile Checklistahaiss sn ints als a rs AM Moth en dans tee en ve uate eA nt 33 8 2 Sheets and letters MOdElS sr n dd cates nd end ne E a Martel tune 33 PART 9 ADDITIONAL SPECIFICATIONS o urinii ess EA VEEE Andenne Gatien anemia ed 42 PART 10 SPECIFIC TEST METHODS cineprese a nn ri ne urine stone ete ee sense nos Mende ren nn ole 42 Certification reference NF 414 Rev 8 3 42 Heat Pump NF mark Part 10 Contents Update amp History of modifications Which specific tests methods Part 9 What provisions for what type of products Additional provisions Part 1 Which products are covered by the NF HP mark Scope Definitions Part 8 How to fill in the application file Standard letters and applications Part 2 What requirements have to be satisfied APPLICANT HOLDER For the product For the qual
36. at at least 0 8 times the maximum rated pressure Ps to ensure the absence of leaks Certification reference NF 414 Rev 8 Appendix D 11 16 Heat Pump NF mark Gas absorption HP STANDARD SHEET 2 TECHNICAL DATA SHEET A For all certification application one sheet must be completed per heat pump range 1 DEFINITION OF THE USE OF THE ABSORPTION HP COVERED BY THE APPLICATION Cl Space heating HP with cooling option 2 DESCRIPTION OF THE ABSORPTION HEAT PUMP Identification of products A Be very exact in identifying the products below These identifications will be restated word for word on the admission certificate Assembly unit s A To be filled in for each manufacturing site that produces machines covered by the application packages outdoor unit and indoor unit Name of the machine or units Corporate name and address of manufacturing site NB Reproduce as many times as necessary Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix D Gas absorption HP 12 16 Type of heat pump subject to the application tick the relevant box es Outdoor air Water HP single unit O ductless outdoor installation O ducted indoor installation L1Glycol water Water HP single unit O outdoor installation O indoor installation L1Glycol water Glycol water HP single unit O outdoor installation O indoor installation Ground water Water HP single unit O outdoor installation O ind
37. covering the appliance see the NF EN 437 standard under the normal pressure specified in the NF EN 437 standard Before testing the heat input of the burner s is set if required to be equal to the nominal heat input 5 This nominal heat input is set when the appliance is operating under the nominal conditions according to the standard 4 1 3 Test chamber requirements at air end The dimensions of the test chamber should be selected to avoid any obstacles to air circulation at the air inlet and outlet openings of the test appliance The air flow rate in the chamber should not give rise to short circuiting between the two openings as a result the air velocity in the chamber at these two openings should not exceed 1 5 m s when the test appliance is not operating Moreover the air velocity in the chamber should not exceed the mean velocity at the appliance inlet Unless specified otherwise by the manufacturer the air inlet and outlet openings should be situated at least 1 m from the walls of the test chamber Any direct radiation of heat from the test chamber heating equipment to the appliance or to the temperature measurement points should be prevented 4 1 4 Ducted appliances The ducted appliance set up should be sufficiently air tight to prevent the measurement results from being influenced significantly by air exchange with the environment 4 1 5 Appliances with integrated pumps For appliances with adjustable and inco
38. driven heat pumps and swimming pool heat pumps e At the end of Appendix C for dual mode heat pumps e At the end of Appendix D for gas absorption heat pumps e Atthe end of appendix E for engine driven gas heat pumps Part 9 Additional specifications Appendix A Specific requirements for electrically driven HPs Appendix B Specific requirements for swimming pool HPs Appendix C Specific requirements for dual mode HPs Appendix D Specific requirements for gas absorption HPs Appendix E Specific requirements for engine driven gas HPs Part 10 Specific test methods Appendix AA Acoustic tests Appendix BB Ground ground HP tests Appendix CC Water ground HP tests Appendix DD Outdoor air ground HP tests Appendix EE Gas HP tests afnor CERTIFICATION Organisme certificateur 11 rue Francis de Pressens 93571 LA PLAINE ST DENIS Cedex T l 01 41 62 80 00 Fax 01 49 17 90 00 f Eurovent 2 Certita N Body mandated by AFNOR Certification www marque nf com 48 50 rue de la Victoire 75009 PARIS T l 33 1 75 44 7171 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 9 APPENDIX A SPECIFIC PROVISIONS FOR ELECTRIC HP SPACE HEATING AND COOLING CONTENTS A 1 Scope A 2 Reference documents A 3 Definition of systems and ranges A 4 Technical specifications and characterisation methods A 5 Quality control specifications Rev 8 August 2014 Certificati
39. featuring the RT 2012 pivot point However as a minimum for the heating function a certified point must correspond to an operating point with a GUE threshold defined in the matrices below Intermediate operating points corresponding to intermediate columns of the matrices relative to those provided by the performance matrices below can be declared for certification The lower upstream temperature limit is set at 15 C for outdoor air Operating points at temperatures greater than those provided by the performance matrices below can be declared Note 1 as a reminder if the pivot value is not certified the certified characteristics cannot be validated under RT 2012 Note 2 the optional individual characteristics of variable regulation HPs are preferably determined at the pivot point Note 3 when requested the share of electrical power for the auxiliaries is preferably measured at the pivot point Test program The test programme is defined for each case according to the HP type and declared operating range so as e To be able to verify the characteristics at the RT 2012 matrix pivot point if appropriate e To permit the selection by CERTITA of at least 1 operating point e To take account of any specific justified requests from the applicant The selection of the number of products to be tested in a range is defined in 3 1 3 2 The number of tests to be performed to certify the desired points of the performance matrix is a functio
40. for an already certified range the number of tests to be made to certify this new application is set at 1 on a model from the range e the audit can be adapted or combined with a monitoring audit 3 6 CASE OF AN APPLICATION FOR MAINTENANCE The application shall be presented in accordance with the conditions and templates included in Part 8 For distribution through different trademarks certain modifications in appearance may be made to the products in question if they do not entail any functional change The manufacturer shall then specify in the maintenance application the list of modifications made to the products in question EUROVENT CERTITA ensures that said modifications have no impact on function Certification reference NF 414 Rev 8 21 42 Heat Pump NF mark Part 4 CERTIFICATION MONITORING Throughout certification the holder must e comply with the requirements defined and the marking methods described in Part 2 e update the certification file e Systematically inform EUROVENT CERTITA of any change in the features of the certified product EUROVENT CERTITA shall follow up the certified products as soon as the right to use the NF Mark is granted This follow up includes audits and tests on the products It also includes monitoring of how the mark and logo are used on products and every communication document The NF mark is awarded to a product from a particular manufacturing unit defined by a trademark specific commer
41. for the upstream source obtained during the 10 15 C test is retained for the tests at other upstream source temperatures A 5 3 7 Water circuit recycled air HP T return T flow T upstream circuit water C 0 10 20 T downstream recycled air C 22 27 32 37 The nominal flow rate for the upstream source obtained during the 30 35 C test is retained for the tests at other upstream source temperatures A 5 3 8 Glycol water recycled air HP T return T flow T upstream glycol water C 0 10 20 T downstream recycled air C 22 27 32 37 The nominal flow rate for the upstream source obtained during the 30 35 C test is retained for the tests at other upstream source temperatures Certification reference NF 414 Rev 8 Appendix A 13 37 Heat Pump NF mark Heating and cooling A 5 3 9 Extracted air water HP T upstream extracted air C 22 27 32 35 37 T downstream water C T flow T return 15 6 5 7 12 12 5 17 5 18 23 23 5 28 5 For an upstream temperature of 35 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 35 C test A 5 3 10 Ground
42. in 6 8 5 applies 6 8 3 Data acquisition period Data should be recorded at regular intervals of 30 s or less except during the defrosting cycles as specified below The measurement period should not be less than 70 min The difference between the heat transfer fluid temperatures at the indoor heat exchanger inlet and outlet should be measured For each 5 min interval during the data acquisition period a mean temperature differential AT t should be calculated The mean temperature differential for the first 5 minutes of the data acquisition period AT t 0 should be recorded to enable the following percent variation calculation ATi r 0 Anl VAT ATi r 0 pao Certification reference NF 414 Rev 8 Appendix EE 28 47 Heat Pump NF mark Gas HP tests 6 8 4 General test procedure If defrosting takes place before starting the data acquisition period or if the quantity AT exceeds 2 5 during the data acquisition period the heating capacity test should be considered as a transient mode test see 6 8 5 Furthermore if the heat pump starts a defrosting cycle during the stabilisation period or during the data acquisition period the heating capacity test should be considered as a transient mode test If the above conditions are not met and the test tolerances specified in Table 7 are complied with both during the stabilisation period and the data acquisition period the heating capacity test should be considere
43. itself and the report reimbursed even if the right to use Travel expenses will be added to these the NF mark is not granted or renewed services Right to use the NF This licence fee due to AFNOR The annual rate for the right to use the NF mark Certification is intended to cover mark is invoiced to the holder after general operation of the NF Mark certification of a product organisation of quality assurance monitoring of bodies in the NF network management of the NF mark committee protection of the NF mark filing and protection of the mark legal counsel processing of appeals legal services contribution to the general promotion of the NF mark Additional Services incurred by additional These services shall be borne by the inspections inspections or verification tests that manufacturer at the current rates may prove necessary following available on request inadequacies or abnormalities revealed by current inspections Promotion Sector based promotion actions of the Service for which the amount is defined NF mark every year and invoiced in addition to the other services 7 2 COLLECTING PAYMENT FOR SERVICES The registration fee and costs for the examination and inspection services invoiced as part of an application to accept or extend the right to use the mark must be paid all at once when the application is submitted with a view to registering it officially They will not be rei
44. list of the main systems covered is given in the table below Other types of systems may be certified but should undergo an assessment by CERTITA prior to the application Chart C 1 Nomenclature of most covered systems Dual mode System Sample block diagram HP type components Eau chaude HP with desuperheater i PAC separate from O condenser 3 Simultaneous i i Storage tank N operation HP with f f 4 b Dt incorporating EE 1 desuperheater desuperheater ry Condenser a connected to pE Circuit de chauffage heating Condenseur de la PAC circuit PAC HP a H Intermediate i N i 2 Alternating exchanger i l 2 operation HP with Storage tank R3 i m intermediate Circulator eA S exchanger pump s G crate hata 3 way valve L Ie A Alternating HP operation HP with P Water bath water bath exchanger exchanger 3 Storage tank B Simultaneous i Circulator operation HP with ee water bath pump 3 way valve exchanger HP Alternating Storage tank operation HP with Ps en 4 integrated coil P 8 exchanger or double jacket i i Circulation pump eee exchanger 3 way valve amp Poe Certification reference NF 414 Rev 8 Appendix C
45. operating point E 4 1 1 Outdoor air water HP The heat pump must be started up to validated the operating range taking an outdoor temperature of 15 C and a mean water temperature provided by the manufacturer The water flow rate used for the test is that corresponding to the first application requested For single unit heat pumps installed indoors or for the indoor unit of split HPs the indoor environment is at ambient temperature The HP must be able to start and operate for 20 minutes T upstream outdoor air C 15 7 2 7 20 T downstream water C T flow T return 25 22 35 30 45 40 55 47 65 55 For an upstream temperature of 7 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 7 C test Certification reference NF 414 Rev 8 Appendix E 7 15 Heat Pump NF mark Gas engine driven HP E 4 1 2 Outdoor air recycled air HP The heat pump must be started up to validate the operating range by taking an outdoor temperature of 15 C and an indoor temperature of 15 C The HP must be able to start and operate for 20 minutes T upstream outdoor air C 15 7 2 7 20 T downstream recycled air C 5 10 15 20 25 E 4 2 Energy performance in cooling mode The energy performance in cooling mode meaning the c
46. rate setting should be performed with only the fan in operation The air flow rate given by the manufacturer at the ventilation speed provided should be set to the resulting external static pressure ESP measured If the ESP is less than the minimum value given in Table 6 the air flow rate is reduced to this minimum value If the ESP is greater than double the minimum value given in Table 6 the air flow rate is increased to double this minimum value If the ESP is greater than the minimum value given in Table 6 but not greater than double the minimum value the ESP is retained The apparatus used to set the ESP should be kept in the same position during all the tests Minimum external static power Nominal powers ab KW Pa a For appliances tested with no air filter the minimum external static pressure should be increased by 10 Pa b Ifthe manufacturer s set up instructions specify that the maximum permissible discharge duct length is less than 1 m the appliance can be considered to have a free discharge and tested as for a ductless indoor appliance with an ESP of OPa Table 6 Pressure requirements for air conditioners and comfort heat pumps Note It should be noted that an air conditioner or heat pump is an appliance designed to meet the comfort requirements of the occupants of an air conditioned or heated room Certification reference NF 414 Rev 8 Appendix EE 20 47 Heat Pump NF mark Gas HP tests
47. seasonal performances option is chosen the acoustic power shall be declared for the main chosen application 47_55 C or 30_ 35 C at nominal point 7 C necessarily at average climate and the other climates if applicable Sound power levels shall be determined under the conditions set out in Appendix AA Part 10 of this certification standard Outside the building they must comply with the following thresholds Certification reference NF 414 Rev 8 Appendix A 15 37 Heat Pump NF mark Heating and cooling For information only F Acoustic power at Pronimal Rules 813 2013 thresholds Heating capacity z P kW Pnominal Acoustic power level at the nominal Lw dB A thermal power Lwa dB A Indoor Outdoor S SES lt 70 60 65 10 lt P lt 12 2 us 12 lt P lt 20 aie 20 lt P lt 30 di 30 lt P lt 50 we 50 lt P lt 70 1 Re ee 70 lt P lt 100 eee ees No threshold defined A 6 PERFORMANCES VERIFICATIONS Thermal acoustic and seasonal performances are verified by targeted tests For each type of heat pump a cold start cycle is performed The tests program is defined by EUROVENT CERTITA CERTIFICATION in compliance with the following rules by taking into account any specific justified requests from the applicant A 6 1 Determining the number of heat pumps to be tested The selection of the number of products to be tested in a range is defined in 3 1 3 2 For heat pump av
48. see 3 1 3 2 under the conditions defined below Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix B 6 8 Swimming pool heat pumps B 4 1 2 Ground water swimming pool water temperature C temperature C temperature C temperature C Low water flow heat pumps AT 5 C Evaporator Swimming pool heating system Min COP Water inlet Water outlet Water inlet Water outlet temperature C temperature C temperature C temperature C 10 7 26 31 4 50 High water flow heat pumps AT 20 Evaporator Swimming pool heating system Min COP Water inlet Water outlet Water inlet Water outlet temperature C temperature C temperature C temperature C 10 7 26 28 4 50 B 4 1 3 Glycol water mix to swimming pool water Low water flow heat pumps AT 5 C Evaporator Swimming pool heating system Min COP Water inlet Water outlet Water inlet Water outlet temperature C temperature C temperature C temperature C O 3 26 31 3 60 High water flow heat pumps AT 20 Evaporator Swimming pool heating system Min COP Water inlet Water outlet Water inlet Water outlet 0 3 26 28 Certification reference NF 414 Rev 8 Appendix B Heat Pump NF mark Swimming pool heat pumps B 4 1 4 Ground to swimming pool water 7 8
49. start and operate for 20 minutes T upstream outdoor air C 15 7 2 7 20 T downstream water C T flow T return 25 22 35 30 45 40 55 47 65 55 For an upstream temperature of 7 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 7 C test Certification reference NF 414 Rev 8 Appendix A 5 37 Heat Pump NF mark Heating and cooling A 5 2 2 Outdoor air recycled air HP The heat pump must be started up to validate the operating range by taking an outdoor temperature of 15 C and an indoor temperature of 15 C The HP must be able to start and operate for 20 minutes T upstream outdoor air C 15 7 2 7 20 T downstream recycled air C 5 10 15 20 25 A 5 2 3 Extracted air fresh air HP T upstream extracted air C 5 10 15 20 25 T downstream fresh air C 15 A 5 2 4 Ground water water HP T upstream ground water C T return 5 10 15 20 T Flaw 7 T downstream water C T flow T return 25 22 35 30 45 40 55 47 65 55 For an upstream temperature of 10 7 C For any other upstream source temperature the test is performed with the
50. the combinations will be studied on a case by case basis depending on the deviations observed and the number of combinations Certification reference NF 414 Rev 8 Appendix A 19 37 Heat Pump NF mark Heating and cooling A 7 QUALITY CONTROL SPECIFICATIONS The quality control provisions stated in 2 3 of the reference apply for these products In addition for these types of heat pumps and for the hydraulic circuit leak tests 2 3 3 2 2 the manufacturer must conduct a leak test at at least 0 8 times the maximum rated pressure Ps to ensure the absence of leaks Certification reference Heat Pump NF mark A NF 414 Rev 8 Appendix A Heating and cooling 20 37 STANDARD SHEET 2 TECHNICAL DATA SHEET 1 DEFINITION OF THE USE OF THE HP COVERED BY THE APPLICATION Space heating HP LC with cooling option C with seasonal performance option 2 DESCRIPTION OF THE HEAT PUMP Identification of products A C Swimming pool HP C with cooling option Trademark Name of the range commercial brand References designation of models of the heating swimming pool HP References designation for the single splits or multi splits if necessary fill in per type wall bracket and each component indoors units References Types Assembly unit s A Corporate name and address of the fabrication plant and o
51. the deviation observed on the tested product between the declared sound power value and the test report result E 4 4 Special characteristics of variable power regulation HPs The manufacturer shall send the means to obtain the minimum continuous operation load ratio from his product under evaluation LRcontmin A heating capacity test at this load ratio is performed to verify the continuous operation of the HP no cycling and record the following performance values e The heating capacity obtained in this way is compared to the heating capacity obtained at the same operating point and LRcontmin is calculated If the difference between the calculated value and the value of LRcontmin declared by the manufacturer is less than 10 of the declared value the value of LRcontmin is then validated e ifthe value of LRcontmin is validated the COP at LRcontmin is measured and validated the CcpLRcontmin is then calculated and validated Note LRcontmin is defined relative to the declared heating capacity at full load at the same operating points Ccpircontmin corresponds to the ratio of GUE at LRcontmin and GUE at full load at the same operating temperatures E 4 5 Share of electrical power for the auxiliaries The share of the electrical power for the auxiliaries in the total electrical power Ratio is the ratio between these two powers The electrical power for the auxiliaries is measured with the appliance in standby mode according to the provisions
52. the measured values taking the applicable tolerances into account they are validated Certification reference NF 414 Rev 8 Appendix A 18 37 Heat Pump NF mark Heating and cooling A 6 7 1 Thermal performances If the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance In case of deviation on Puesignn and or off tolerance SCOP all models of all the ranges covered by the test see A 6 1 related to sampling of the updated deviation of the tolerance For RT 2012 matrices for values corresponding to unmeasured points the declared values are corrected by a value equal to the mean differences relative to the compliance thresholds this mean is calculated solely from the non compliant measured values see example below Example of validation of declared values Example Air to Water HP declared measured powers and differences Air water HP Comparison between declared and measured powers kW Downstream temperature LE Upstream temperature air side C T flow T return 7 2 7 C C Declared Measured Difference Declared Measured Difference Declared Measured Difference 35 30 4 20 4 00 4 8 3 40 7 20 6 60 8 3 45 40 4 00 3 70 7 5 2 80 2 50 10 7 7 40 Tolerance on Powers 5 Processing of values e Measured values compliant 4 0 gt validated value
53. the ratio of the total effective energy for the heating and domestic hot water DHW functions to the total energy absorbed for both functions carried out simultaneously o For alternating operation HPs o the temperature stabilisation time th the spare capacity Pes the performance coefficient in DHW production mode COPpnw for a given tapping cycle the reference hot water temperature 0 wu the maximum effective hot water volume Vmax oOo 00 C 3 REFERENCE DOCUMENTS The documents mentioned in 2 2 2 are completed by the following e NF EN 16147 March 2011 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors Testing and requirements for marking of domestic hot water units e NF EN 15332 February 2008 Heating boilers Energy assessment of hot water storage systems e NF EN 14511 October 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling o Part 1 Terms and definitions o Part 2 Test conditions o Part 3 Test methods e NF EN 15879 1 April 2011 Testing and rating of direct exchange ground coupled heat pumps with electrically driven compressors for space heating and or cooling Part 1 Direct exchange to water heat pumps Certification reference NF 414 Rev 8 Appendix C 3 23 Heat Pump NF mark Dual mode C 4 DEFINITION OF SYSTEMS AND RANGES C 4 1 Dual mode heap pump The
54. time of installation each constituent element of the system must comply with the criteria of 2 3 3 2 2 to guarantee that the components delivered to the fitter are in accordance with the tightness requirements Before filling the installation its global tightness must be checked by the fitter according to the manufacturer s instructions indicated in a manual supplied with the appliance 2 3 3 7 Production test for electrical safety according to NF EN 50106 100 inspection The electrical safety tests must be carried out in accordance with the requirements of standard NF EN 50106 according to paragraphs 1 1 and 1 2 2 3 3 8 Inspection on the finished product 2 3 3 9 Tests at the end of assembly line 100 Each manufactured product must be put into use at the end of the assembly line to check that it works properly 2 3 3 10 Inspection of marking Periodic inspection shall be carried out to ensure the compliance and presence of the marking in the certified product as defined in 2 4 of this certification rules 2 3 3 11 Appearance inspection before packaging 100 inspection Appearance inspections must be carried out before the product is packaged All of the inspections and tests carried out throughout the assembly process must be validated and recorded 2 3 3 12 Availability of spare parts The manufacturer must draw up a procedure defining the measures to take to guarantee the availability of spare parts for 10 years on
55. water HP T upstream ground C 30 T downstream water C T flow T return 7 18 With the water flow rate determined in heating mode A 5 4 Optional declaration of seasonal performances For all heat pumps for which the applicant holder wants to certify seasonal performances he chooses one or two applications among e Ifthe heat pump is declared as a low temperature heat pump the application 35 C is mandatory e Otherwise if it is a high temperature heat pump the application 55 C is mandatory the application 35 C optional He chooses for each model 1 to 4 operating modes among possible settings on water e Fixed or variable water flow e Fixed or variable water output temperature The applicant holder shall declare the RT 2012 pivot point nominal point for Tupstream 7 6 C for air water heat pumps 10 7 C for water water heat pumps 0_ 3 C for glycol water water 4 C for ground water heat pumps Note This point coincides with the nominal point of EN 14511 which is also necessary for the determination of the water flow as part of EN 14825 this is therefore a key point during measuring points sampling for each line Part load operating points correspond to those of a RT 2012 matrix only for on off control devices for which the water output flow and temperature are fixed no water logic The other heat pumps and operating mode are not c
56. 14 Rev 8 Appendix AA 10 13 Heat Pump NF mark Acoustic tests AA 2 3 6 Multi split system with unducted indoor units Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only noise radiated by the casing of each type of indoor unit Test equipment double reverberant room AA 2 3 7 Multi split system with ducted indoor units This diagram shows the configuration for the OU test The indoor units are the same model and obviously have the same heating capacity Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only gt For indoor units with suction and discharge ducts airborne noise in the suction duct airborne noise in the discharge duct gt For indoor units with discharge ducts only suction noise measured at the same time as the noise radiated by the casing airborne noise in the discharge duct Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA 11 13 Heat Pump NF mark Acoustic tests AA 2 4 EXHAUST AIR FRESH AIR HP AA 2 4 1 Ducted single unit indoor installation Outside global noise of both air suction and discharge openings Inside airborne noise in the suction duct airborne noise in the discharge duct Test equipment double reverberant room NB With a double reverberant room when the casing noise is being measured the ducts are connected to a small plenum
57. 2 Cylinder equivalent to the tank and fraction a B and y Temperature Cylind ivalent ylinder equivalen probe to the tank For each model which performances are simulated the manufacture has to declare the following data Volume of the tank Vn in I Volume of useful water reserve of the tank Vein by default V 0 95xV Inner diameter of the tank D en m Total empty mass of the tank Mbalionen kg Area of the exchanger Sech en m Mass of the exchanger Mech en kg Ratio which gives the position of the low point of the exchanger see picture compared to the low point of the cylinder equivalent to the storage tank a value between O and 1 Ratio which gives the size of the exchanger located above the low point of the exchanger compared to the whole exchanger B value between 0 and 1 Adjusted temperature of the tank in Tein C appears in the certificate Position of the temperature probe in the tank half superior or half inferior Ratio which gives the position the temperature probe compared to the low point of the cylinder equivalent to the storage tank y value between 0 and 1 Hysteresis of the temperature probe of the tank Ta en C Average temperature of water of the tank in steady speed in zone 1 a Ten C used for the simulation The share of heating capacity available for DHW for each certified point below if different from the heating capacity in heating mode P in kW Tapping cyc
58. 4 71 71 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 9 APPENDIX C SPECIFIC REQUIREMENTS FOR DUAL MODE HPs CONTENTS Applicability Reference documents Definition of systems and ranges Technical specifications and characterisation methods Quality control specifications Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix C 2 23 Heat Pump NF mark Dual mode C 1 APPLICABILITY This part of the NF HP reference standard details specific provisions for dual mode electrically driven heat pumps i e intended for space heating and domestic hot water production The products covered are characterised by their operating mode and include o Simultaneous operation HPs i e appliances capable of simultaneously carrying out space heating or cooling and domestic hot water production o Alternating operation HPs which perform each of the two functions in alternation and are not suitable for simultaneous operation The heat pumps covered by the scope are defined in the Annex A C 2 CERTIFIED PERFORMANCES The certified performances are o For simultaneous operation HPs o the temperature stabilisation time th the spare capacity Pes the global performance coefficient for a given tapping cycle COPgiobai the reference hot water temperature 0 wu the maximum effective hot water volume Vmax OO 1020 Note The global performance coefficient is defined as
59. 5 as per Pr EN 12309 3 standard D 4 2 Energy performance in cooling mode The energy performance in cooling mode meaning the cooling capacity and the GUE must be determined under the conditions below There is no defined GUE threshold The corresponding GUE matrices appear in the 8 below for each HP type The matrix items highlighted in yellow correspond to any pivot points defined in RT 2012 D 4 2 1 Outdoor air water HP Matrix as per RT 2012 T upstream outdoor air C 5 15 25 35 45 T downstream water C 4 9 5 15 20 5 26 Table of test conditions as per Pr T upstream outdoor air C EN 12309 3 T downstream water C T flow T return 7 18 X N N w uw EN ea as per Pr EN 12309 3 standard Certification reference Heat Pump NF mark D 4 2 2 Ground water water HP Matrix as per RT 2012 T gt NF 414 Rev 8 Appendix D Gas absorption HP T upstream ground water C 2 5 12 5 22 5 32 5 42 5 T downstream water C 4 9 5 15 20 5 26 Table of test conditions as per Pr T upstream ground water C EN 12309 3 T return 30 T flow 35 T downstream water C T flow T return 7 12 18 23 D 4 2 3 Glycol water water or glycol water glyco
60. 6 5 Appliances connected to the outdoor heat exchanger The volume flow rate and the pressure differential should be determined with reference to normal air 20 C 101 325kPa having a density of 1 204kg m with a dry heat exchanger If the air flow rate is given by the manufacturer without atmospheric pressure or temperature and humidity conditions it should be considered as that given for normal air conditions The air flow rate evaluated by the manufacturer should be converted to normal air conditions The air flow rate setting should be performed with only the fan in operation The air flow rate given by the manufacturer at the ventilation speed provided should be set to the resulting external static pressure ESP measured If the ESP is less than 30 Pa the air flow rate is reduced to this minimum value The apparatus used to set the ESP should be kept in the same position during all the tests If the manufacturer s set up instructions specify that the maximum permissible discharge duct length is less than 1 m the appliance can be considered to have a free discharge and tested as for a ductless outdoor appliance with an ESP of OPa Certification reference NF 414 Rev 8 Appendix EE 21 47 Heat Pump NF mark Gas HP tests 6 6 Heating capacity measurement for liquid liquid and liquid air appliances 6 6 1 Stabilised mode conditions and setting The mode is deemed to be stabilised and maintained when all the quantities mea
61. A 5 2 7 Water circuit recycled air HP T upstream circuit water C T return 10 15 20 25 27 T flow 17 T downstream recycled air C 5 10 15 20 25 The nominal flow rate for the upstream source obtained during the 20 17 C test is retained for the tests at other upstream source temperatures A 5 2 8 Glycol water recycled air HP T upstream glycol water C T return 5 0 5 10 15 T flow j 3 T downstream recycled air C 5 10 15 20 25 The nominal flow rate for the upstream source obtained during the O 3 C test is retained for the tests at other upstream source temperatures Certification reference NF 414 Rev 8 Appendix A 8 37 Heat Pump NF mark Heating and cooling A 5 2 9 Extracted air water HP T upstream extracted air C 5 10 15 20 25 T downstream water C T flow T return 25 22 35 30 45 40 55 47 65 55 For an upstream temperature of 20 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 20 C test A 5 2 10 Ground water HP T upstream ground C 4 T downstream water C T flow T return 25 22
62. CERTITA by standards and agreements which he has signed can take part to the audit The holder is systematically informed by EUROVENT CERTITA of the presence of this observer prior to the audit For each audit an audit report is prepared and sent to the applicant This report depending on each case can be sent to the applicant before or after the evaluation It can be sent by the auditor the inspection body or EUROVENT CERTITA Each report showing a remark or a non conformity requires an answer within a timeframe fixed within the report or the accompanying letter Certification reference NF 414 Rev 8 18 42 Heat Pump NF mark 3 2 3 2 Tests The tests are performed under the NF Mark laboratories responsibility Each test is performed by one recognised laboratory see 5 3 chosen by the applicant Depending on the nature of the equipment and test and study means of the applicant EUROVENT CERTITA may for some categories of appliances that have been or will be defined authorise the applicant to conduct the required tests in the applicant s own laboratories according to a specified procedure described in Part 6 The tests are carried out in accordance with the standards and additional specifications established in Part 2 A test report is drawn up and sent to the applicant and to EUROVENT CERTITA Each product range shall be tested depending on its admission as indicated in the table below From 1 to 5 1 From 6 to 10 2 F
63. ERTIFIED FEATURES FOR SINGLE UNITS 15 16 A In the case of an application for reversible HPs complete the following table for each of the two functions Characteristics for heating applications HP no 1 HP no 2 HP no 3 Reference Model of the heat pump Reference of unit Nature of gas heat nominal conditions input under Feed pressure Nominal voltage in V Nature of single or three phase current 50 Hz If applicable Regulation changeover threshold LRcontmin Performance CcpLrcontmin The share of electrical power for the auxiliaries Ratio Standby power in W Temperature conditions quel oes Heating capacity in kW Absorbed power in kW GUE stated with 3 significant figures Temperature conditions ee ee Heating capacity in kW Absorbed power in kW GUE stated with 3 significant figures Temperature conditions fae Penn Heating capacity in kW Absorbed power in kW GUE stated with 3 significant figures Sound power in dB A stated in 1 10 under the temperature conditions gt C for see test diagrams Noise radiated by the casing Global noise of openings Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix D Gas absorption HP 16 16 Characteristics for cooling applications HP no 1 HP no 2
64. ON REFERENCE HEAT PUMP NF MARK PART 10 APPENDIX AA ACOUSTIC TESTS CONTENTS AA 1 REFERENCE DOCUMENTS AA 2 HEAT PUMP INSTALLATION CONFIGURATIONS AA 3 SPECIAL INSTALLATION CONDITIONS AA 4 MEASUREMENT RESOLUTION Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix AA 2 13 Heat Pump NF mark Acoustic tests When selecting products from a heat pump range to determine the thermal performances see Para 3 1 3 2 just one of these products is used for the sound tests When a heat pump range may be used either with water or water glycol mix the sound tests are carried out with the Glycol Water Mix appliance CERTITA will study the influence of the integrated options if necessary when selecting the products together with the laboratory Special cases It is possible to test for a range of other appliances For example for heat pumps with optional components or for multi split heat pumps so that each type of indoor unit can be taken into consideration AA 1 REFERENCE DOCUMENTS NF EN 12102 July 2008 Air conditioners heat pumps and dehumidifiers with electrically driven compressors Measurement of airborne noise Determination of the sound power level NF EN ISO 3741 November 2009 Determination of sound power levels of noise sources Precision methods for broad band sources in reverberation rooms NF EN ISO 9614 1 November 2009 Acoustics Determination of sound power levels of noise sources usi
65. PTION The outdoor exchanger evaporator is connected to the water while the condenser is placed directly in the ground of the indoor environment A Ground Water heat pump may be of different types e single unit the compressor expansion device and water exchanger are within the same body a single module with the condenser crowns separate of course e split the compressor and or expansion device and or water exchanger are not within the same body several modules and the condenser crowns are of course separate CC 2 ENERGY PERFORMANCE The module s is are installed in an environment at room temperature and connected to a water loop enabling the required water conditions to be maintained The condenser crowns are unwound on wooden supports at a height of around 1 20 m in a climatic room The dry temperature of this climatic room is adjusted so as to maintain the required condensation temperature A flow meter is installed upstream of the condenser to measure the flow of liquid refrigerant This will make it possible to calculate the condenser capacity Loops are made at each end of the flow meter to reduce vibration phenomena of the discharge pipes Note The flow meter will be assembled as far as possible in the same environment at room temperature as the module s Otherwise the liquid refrigerant condensation pressure is measured at the compressor discharge and downstream of the crown outlet collector Should the machine
66. Pump NF mark Gas HP tests Hiri is the net calorific value by volume of the test gas for the sample in question in Megajoules per cubic metre dry gas expressed at 15 C 1013 25 mbar Vh is the volume flow rate of the dry gas with reference to 1013 25 mbar and 15 C in heating mode for the sample in question in cubic metres per hour determined using the following formula Vhj Va 1013 25 ZISIS ET where Voj is the gas volume flow measured in heating mode for the sample in question in cubic metres per hour Daj is the atmospheric pressure for the sample in question in millibar pj is the gas feed pressure at the meter for the sample in question in millibar Dwi in the partial water vapour pressure in the gas for the sample in question in millibar toj is the temperature of the gas at the meter for the sample in question in degrees Celsius NOTEZ It is important to note that the gas pressure on the flow meter may be different to the gas feed pressure of the appliance under test 3 8 Nominal gas heat input in heating mode Qgnh The nominal gas heat input should be determined using one of the following formulas Moh Qen 278 _ Hm 7 n Where D Voh Qen 278 Hiy 8 n Qgnh is the nominal heat input in heating mode in Watts Moh is the mass flow rate of the reference gas under the reference conditions dry gas 15 C 1013 25 mbar in heating mode in Megajoules per kilogram determined using th
67. R OUTDOOR EXCHANGER for Ground Water or Ground Ground type HP GROUND tillin if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Crowns Type Manufacturer Model Number External diameter in mm Thickness mm Length of a crown in m Materials Certification reference NF 414 Rev 8 Appendix A 28 37 Heat Pump NF mark Heating and cooling FOR INDOOR EXCHANGER WATER Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model for separate components from the HP Exchanger Type Manufacturer Model Number Integrated pump YES or NO Manufacturer Model Number Set position if several positions Glycol water type and concentration Certification reference NF 414 Rev 8 Appendix A 29 37 Heat Pump NF mark Heating and cooling FOR INDOOR EXCHANGER AIR Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model for separate components from the HP Exchanger Type Manufacturer Model Front area m Fins type spacing in mm Fan s Number
68. RTITA NF 414 Client Manager 48 50 rue de la Victoire 75009 PARIS FRANCE Heat Pump NF mark Application for extension of the right to use the NF Mark Attachment s a technical file Dear Sir e As holder of the Heat Pump NF Mark for the products of my own production identified by the following references e trade mark Wade Name auch rA A E a N A ee A designation of the product s ue which may be appended to the application letter manufacturing unit s corporate name address which may be appended to the application letter right of use granted on date with number ooo eee ccc cc ccceessececeesssececeesseeeceesseeecssseeeetssseeeeeesteeeseies lam writing to apply for the right to use the NF Mark for the products of my own production deriving from the NF certified products with the following modifications description of modifications These products for which the extension application is made will replace the certified products Delete as necessary NO YES hereby declare that the other characteristics of the products concerned by this application are in strict compliance with the products that are already NF certified and manufactured in the same conditions Yours faithfully Date and signature of the applicant s official representative lt OPTION Date and signature of the official lt OPTION Date and signature of the representative after the handwritten words Bon Representative
69. Ratio e Heat pumps seasonal performances water air water water glycol water water ground water in heating mode at least for an average climate chosen by the applicant holder for the other climates o Seasonal performance coefficient SCOP o Net seasonal performance coefficient SCOPnet o Seasonal thermal efficiency ns o Note ns without the revaluation factor which depends of the temperature control class Additionally for the cooling function the following performances can also be certified o The Energy Efficiency Ratio EER o The cooling power Certification of the cooling mode can only be done with the heating mode The holder shall affix the NF logo making sure that any confusion exists between certified values and those which are not A 3 REFERENCE DOCUMENTS The standards mentioned in 2 2 2 are completed by the following e NFEN 14511 1 December 2011 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling o Part 1 Terms and definitions o Part 2 Test conditions o Part 3 Test methods Certification reference NF 414 Rev 8 Appendix A 3 37 Heat Pump NF mark Heating and cooling o Part 4 Requirements e NF EN 14825 November 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Testing and rating at part load conditions e NF EN 15879 1 April 2011 T
70. T PUMP AND DWH cylinder Identification of products A Be very exact in identifying the products below The identification will be restated word for word on the admission certificate Reference of the Reference of the modelof the dual Reference of the Name of range Trade mark matching heatin commercial range ing ng mode HP DHW cylinder HP if different from heating model Manufacturing plants A The following information is to be provided in addition to the information in Appendix A for each plant which manufactures components linked DHW cylinder and for each assembly sited of HP with DHW cylinder Corporate name and Designation of the DHW Type Sub contractors address of the cylinder Manufacturing of the tank only Yes No fabricati lant d and or manufacturing of the abrication plant and or cylinder and or assembly the assembly site Certification reference Heat Pump NF mark NF 414 Rev 7 Appendix C 3 MAIN COMPONENTS Dual mode 20 23 FOR DOMESTIC HOT WATER STORAGE SYSTEM iiin it covereo STORAGE SYSTEM no 1 STORAGE SYSTEM no 2 STORAGE SYSTEM no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Tank Reference model for incorporated components or separate components from the HP Manufacturer Brand Type Capacity in litres
71. Table 6 expressed in Pascal Api ESP min is the available external static pressure differential measured on the appliance terminals the minimum external static pressure as defined in Table 6 expressed in Pascal q is the nominal indoor air flow rate expressed in cubic metres per second e For appliances using a liquid as the inside heat transfer fluid If the circulation pump is built into the appliance xA indoor pees A 3 7 else x Api indoor A 4 7 where n is determined using the method in Appendix B Ape is the available external static pressure differential measured expressed in Pascal Ap is the internal static pressure differential expressed in Pascal q is the nominal water flow rate expressed in cubic metres per second Certification reference NF 414 Rev 8 Appendix EE 39 47 Heat Pump NF mark Gas HP tests A 2 Calculation of correction Coutdoor e For appliances using air as the outside heat transfer fluid If the fan is built into the appliance __gX Ap ESP outdoor A 1 7 else qx Api t ESP in C outdoor a ae ee A 2 7 where n is 0 3 by convention Ape ESP min is the available external static pressure differential measured on the appliance terminals the minimum external static pressure as defined in Table 6 expressed in Pascal Api ESP min is the available external static pressure differential measured on the appliance terminals the minimum external st
72. The current reputation of the NF mark is the result of a constant pursuit of excellence and a will to meet the changing expectations of the markets national European and global markets AFNOR Certification and EUROVENT CERTITA impartial certification bodies bring you its technical expertise in terms of certification which means products evaluation and verification the organisation the quality control management of the NF mark holders AFNOR owns the NF mark and granted AFNOR Certification the exclusive operating licence AFNOR Certification manages and runs NF certification system which defines the NF mark governance rules and the procedures AFNOR Certification ensures that all stakeholders fulfil their mission correctly regarding each of their respective responsibilities and attributions The NF Mark is a collective mark of certification filed with General Rules which set the general organisation and the NF mark using conditions The NF Heat Pump certification rules are composed of the General Rules of the NF Mark of this certification rules and standards which are listed also as potential additional features This certification rules comes under the regulatory framework for certification of services and products other than agricultural forest food or sea provided for in articles L 115 27 to L 115 33 and R 115 1 toR 115 3 of the Consumer Code taking account of the opinion of the Conseil national de la Consommation Nat
73. URES FOR SINGLE UNITS AND SINGLE SPLITS A In the case of a common application for reversible HPs complete the following table fo 14 15 r each of the two functions Characteristics for heating applications HP no 1 HP no 2 HP no 3 Reference Model of the heat pump or combination Nature of gas heat nominal conditions input under Feed pressure Nominal voltage in V Nature of single or three phase current 50 Hz If applicable Regulation changeover threshold LRcontmin Performance CcpLrcontmin The share of electrical power for the auxiliaries Ratio Standby power in W Temperature conditions esse Heating capacity in KW Absorbed power in KW GUE stated with 3 significant figures Temperature conditions nal atai Heating capacity in kW Absorbed power in kW GUE stated with 3 significant figures Temperature conditions e Heating capacity in kW Absorbed power in kW GUEn stated with 3 significant figures Sound power in dB A stated in 1 10 under the temperature conditions gt C for see test diagrams Outdoor side noise radiated by the casing Outdoor side global noise of openings Indoor side noise radiated by the casing Indoor side airborne noise in the suction ducts Indoor side airborne noise in the suction inlet Indoor side airborne noise in the discharge duct
74. ach product or covered by the scope of this certification rules are given in part 9 2 2 3 Specific tests methods Standards regarding specific tests methods are given in part 10 2 3 QUALITY MANAGEMENT PROVISIONS 2 3 1 Object This paragraph which constitutes the audit reference standards set the minimum provisions the manufacturer shall implement in terms of quality management so that the products covered by the NF mark are always manufactured in compliance with this certification rules The quality system is partly based on the manufacturer setting up series of organisational provisions to control the compliance of the products delivered with the standards and additional specifications where applicable This provisions are described in paragraphs 2 3 2 and 2 3 3 and can be completed with specific requirements related to the type of product certified Part 9 2 3 2 Requirement regarding the quality management The holder must have implemented by his own means the presence and the efficiency of which are assessed using the applicable requirements of standard NF EN ISO 9001 in force in accordance with the following table Audits may be reduced for companies with a certified quality management system complying with the standard NF EN ISO 9001 in force provided that the ISO certificate sent to EUROVENT CERTITA Includes within its scope and perimeter sites and activities covered by the NF mark Has been issued by an authorised c
75. acturing units The normal frequency is one audit per year for each manufacturing unit Reduced monitoring of manufacturing units After the first follow up audit has been performed the normal audit frequency of one year may be brought to one audit every 2 years if the holder complies with the following conditions e any deviations found during the previous audit are resolved and the actions put in place are effective e the audit did not highlight any critical deviation from the NF HP requirements i e any deviation that calls into question the compliance of the product with the requirements of the NF HP standard e the follow up test results are available and comply with reference specifications Once reduced monitoring has been set up non compliance with one of the above 3 conditions leads to a return to normal monitoring and therefore an annual audit Increased monitoring schedule In the event of breach of these certification rules the increased monitoring procedure may be set up for a defined period of time This may be adjusted as far as doubling the normal frequency of audits with or without increasing the manufacturer s inspections and samples for the tests 4 2 2 Tests Each year holder s products are sampled for tests As soon as the holder has a certified range products are sampled annually As soon as a dual mode heat pump is certified a dual mode heat pump is preferably sampled As soon as two ranges or more are
76. afsor ea CERTIFICATION Certita bi it 11 rue Francis de Pressens LT cers F 93571 La Plaine Saint Denis Cedex Organisme mandat par Telephone 33 0 1 41 62 80 00 AFNOR Certification Fax 33 0 1 49 17 90 00 48 50 rue de la Victoire www marque nf com 75009 PARIS www afnor org T l 33 1 75 44 71 71 www certita fr certita certita fr CERTIFICATION REFERENCE FOR THE MARK TA CE s c Ap no HEAT PUMPS www marque nf com Certification reference NF 414 Rev 8 2 42 Heat Pump NF mark CONTENTS INTRODUCTION 5 22 deniar EE EAA Anton amant een ere tenta n et cent end AERA NE SEPE amet coton de 5 PART IL SCOPE ir ninititniennente tan nan ent E nat TEE detre needed rene TAA A 6 1 1 SCO Cia A TERETE NE A ET E E T E E E Ce EAE s 6 1 2 DeninitiONns ini nieces ian ein aed ne ate See aetna ene 6 1 3 CEFIFIER PrOGUCTS ste de nee AR Abell AE AN At a biden walsh tebe bees 7 PART 2 QUALITY REQUIREMENTS TO BE COMPLIED WITH cccsssccccssssececesseceeessseceeseseececsssseceseeeuseeeessaeeeeeseneeees 8 2 1 Regulation Seanet Pie neice natin E E a eaae Aai ENE EAE EEA EEE a ee owas a n a ete RS 8 2 2 Standard ndadditional SOECITICATIONS 3 eraen ea re eee e A Ea Aa a rte a aS 8 2 3 Quality Management brOVISIONS sinr tystia a a Mn selon MA ae nn eas iae a aa ET gens As 8 2 4 AETA SIA e EEE APEE a RS DR EEE OEN EEEE AE ELE EEEE ORAE ES E EEE ES O TEE 12 PART3 HOWTO OBTAIN CERTIFICATION 55258 rinii Tie E NEN
77. ailable in heating mode only and reversible mode one or several ranges according to a common or different trade mark e ifthe declared performances are identical for the two versions only the reversible version is tested e ifthe declared performances are different each version is tested For heat pumps which can be installed outdoor or indoor two ranges e One product per range is tested if the pressure in the discharge duct is less than 25 Pa e One product among the two ranges is tested if the pressure in the discharge duct is lower or equal to 25 Pa Until January 2015 in case of an admission application for seasonal performances a test of one device including the verification of the seasonal performances validate all models of its range whatever the number of models of this range Starting 2016 the regular rules will be applied Until the end of 2015 as part of controls a test allow to check from 4 heat pump ranges with the same heat source already certified NF Heat Pump in heating mode and potentially in dual mode Starting 2016 one test allows to validate from 3 ranges of heat pump with the same heat source already certified NF Heat Pump in heating mode and potentially in dual mode As part of follow up tests the devices to be tested dual mode which have seasonal performance or no are chosen by the certification body A 6 2 Choosing of the conditions of tests matrix The number of measures to be performed according to the
78. aintain the right of use must be drawn up as stipulated in Part 8 1 3 CERTIFIED PRODUCTS The list of certified products and the information regarding those are available on the website www certita org and www marque nf com It includes o designation of the product o the present Certification Rules o identification of the holder o certified characteristics performances Details on certified characteristics performance by type of heat pumps are given in the annexes part 9 EUROVENT CERTITA provides on request the information regarding the validity of a given certification Certification reference NF 414 Rev 8 8 42 Heat Pump NF mark Part 2 QUALITY REQUIREMENTS TO BE COMPLIED WITH 2 1 REGULATIONS The products covered by this certification rules must comply with the French regulations in force They are manufactured so as to comply with all of the directives and regulations in force that are applicable to them Granting the right to use does not by any mean replace the responsibility of EUROVENT CERTITA that legally falls to the holder company which owes the right to use the NF mark 2 2 STANDARD AND ADDITIONAL SPECIFICATIONS 2 2 1 Standards concerning the quality management system NF EN ISO 9001 2008 Quality management systems Requirements NF EN ISO IEC 17025 2005 General requirements for the competence of testing and calibration laboratories 2 2 2 Additional specifications Additional specification for e
79. al appearance In accordance the internal operation mode Other type of Coating thickness In accordance the manufacturer inspection plan goods Production protective F coating General appearance internal operation mode General appearance inacc rdance the In accordance with i ional internal operation mode Manurecturer Hydraulic Al Wipes Dimensiona inspection plan Incoming exchangers Control value as per the In accordance with goods Production Leaktightness test protocol specified by the manufacturer manufacturer inspection plan Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix C Dual mode 17 23 Storage tank continued except P U foam Density by sampling Components Inspections Specifications Frequency Comments Item General appearance Manufactured Dimensional insulation In accordance the Production Cohesion internal operation mode On each batch delivery Incoming goods Insulation injection during production Injection time Rise time and cream time Density weighing of a sample Temperature General appearance Dimensional In accordance the internal operation mode By periodic sampling defined by manufacturer Production Control if not incorporated in heat pump Control Functional trigger threshold
80. ance e g fans pumps The correction to be applied to the heating capacity Py to obtain the effective heating capacity is given by the following formula 2 where Qgnh isthe nominal gas heat input in heating mode Qgmh is the gas heat input Tables 1 to 3 show the calculation formulas for Qen according to the type of appliance Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests 7 47 Heating capacity Electric power Electrical component for Appilance outdoor exchanger fluid Electrical component Tor indoor effective effective type K exchanger fluid circulation circulation Qen Pe Ductless The fan is integrated in the The pump is integrated in the OP Ht P PGs air liquid appliance appliance The pump is not integrated in the OPR E P P Cao appliance The fan is integrated in the The pump is integrated in the OF Poy Cindoor P P Cu Coutdoor appliance appliance Ducted The pump is not integrated in the Ome AE EA PSP FO u Oi air liquid appliance The fan is not integrated in The pump is integrated in the Ov Poy Cindoor P P Cu Courdoor the appliance appliance The pump is not integrated in the Dsl ti PSP eG HR gt appliance Table 1 Qen and Pe for Air liquid appliances Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests 8 47 Electrical component for
81. and the test procedure in 0 6 7 6 4 If the conditions specified in 6 7 6 1 or 6 7 6 2 are not met and the test tolerances specified in Table 7 are complied with both during the stabilisation period and the first 70 minutes of the data acquisition period the heating capacity test should be considered as a stabilised mode test Stabilised mode tests should end after 70 min of data acquisition 6 7 7 Transient mode test procedure If a heating capacity test is considered to be a transient mode test in accordance with O the following modifications should be made To obtain a valid heating capacity test in transient mode the test tolerances specified in Table 8 should be obtained both during the stabilisation period and during the data acquisition period As specified in Table 8 the test tolerances are specified for two subintervals The interval H consists of the data compiled during each heating phase except for the first 10 minutes following the end of defrosting The interval D consists of the data compiled during each defrosting cycle and during the first 10 minutes of the next heating phase The test tolerance parameters in Table 8 should be determined throughout the stabilisation and data acquisition periods All the data compiled during each interval H or D should be used to evaluate compliance with the test tolerances in Table 8 The data from two or more H intervals or two or more D intervals should not be combined and subsequently used t
82. and the thermal condition on the exhaust air 20 C may not be reached AA 2 5 EXHAUST AIR WATER HP Local Outside airborne noise in the discharge duct Inside airborne noise in the suction duct measured at the same time as the noise radiated by the casing Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA 12 13 Heat Pump NF mark Acoustic tests AA 2 6 WATER WATER or GROUND WATER or GROUND GROUND HP All the heat pumps are packaged type units and can be installed indoors or outdoors Outside or inside casing noise Test equipment reverberant room AA 2 7 GROUND WATER HP The installation and test configuration details are specified appendix CC AA 2 8 OUTDOOR AIR GROUND CC HP The installation and test configuration details are specified in appendix DD AA 3 SPECIAL INSTALLATION CONDITIONS AA 3 1 Continuous variable capacity heat pumps Energy performance special test conditions To determine the sound power levels the laboratory must adjust the compressor frequency to 3 Hz and the fan rotation speed to 4 of the values measured during the thermal tests If the frequency and or speed deviation is not met the laboratory will request that the manufacturer adjust the machine to obtain these values before undertaking the sound measurements Nevertheless should it not be possible for the tolerance on the fan speed to be met by higher value and the sound measu
83. apacity Qen W Certification reference NF 414 Rev 8 Appendix EE 33 47 Heat Pump NF mark Gas HP tests cooling capacity Pr W effective cooling capacity Qer W heat recovery capacity Pexr W effective heat recovery capacity Qexr W Coefficients GUEh W W GUE W W SHR W W a For air air appliances only Table 10 Data to be recorded for tests using the enthalpy method 2 2 Certification reference NF 414 Rev 8 Appendix EE 34 47 Heat Pump NF mark Gas HP tests Result quantity measured Unit Ambient conditions atmospheric pressure kPa Electrical quantities voltage V total current A total absorbed power Pr W effective absorbed power PE W Thermodynamic quantities Indoor heat exchanger Air inlet dry bulb temperature C inlet wet bulb temperature C For ducted appliances outlet dry bulb temperature SC outlet wet bulb temperature de external internal static pressure differential Pa volume flow rate q m s condensate flow rate kg s Water or glycol water inlet temperature C outlet temperature C volume flow rate m s circulation pump speed setting if applicable pressure differential kPa Outdoor heat exchanger Air inlet dry bulb temperature C inlet wet bulb temperature C For ducted appliances external internal static pressure differential Pa volume flow rate m s Water or glycol water inlet temperature C outlet temperature C Certification ref
84. are correctly interpreted and to avoid any return of document s it is recommended to send it them to EUROVENT CERTITA for review Certification reference Heat Pump NF mark Part 3 NF 414 Rev 8 HOW TO OBTAIN CERTIFICATION An application for the right to use the NF mark can be 16 42 e a first request for admission this is submitted by an applicant who does not have the right to use the NF Mark in the application concerned This corresponds to a product or a range of products from a particular production unit defined by a trademark a commercial reference specific to the product introduced and its technical features e a request for later admission of a new product or a new manufacturing unit this is submitted by an applicant who has the right to use the NF Mark in the application concerned e an extension application for a product whose certified features have been modified or in a modified range or an addition of model s e an application to maintain use for an NF certified product that will be marketed with a different brand and or commercial reference without any change in its certified features EUROVENT CERTITA 3 1 PROCESS APPLICANT Assembling the certification application file 83 1 1 Vv Examination of the certification application 3 1 2 y Factory inspection Audit 3 1 3 1 y Correctives actions if any lt m Tests 3 1 3 2 y
85. ark laboratory the report of the tests conducted in its NF authorised laboratory as part of its application in duplicate send a corrective actions plans in case of non conformities In case of an application e assigns a file number to the application processes the application e issues the corresponding invoices admission and report evaluation costs In case of an application and follow up records the location of the test of the concerned device e issues the corresponding invoices sends a copy of the application to the mark laboratory complete the application of the applicant holder by results send by the mark laboratory evaluate the report and the corrective action plan in case of non conformities off tolerance e evaluate the relevance of the answer notify the decision to the applicant holder according to the NF certification procedure examines the test report submitted by the manufacturer e makes or has carried out the modifications or supplementary information if necessary in agreement with EUROVENT CERTITA sends CERTITA the test report and the examination conclusions Certification reference NF 414 Rev 8 Heat Pump NF mark 31 42 Part 7 RATES 7 1 SERVICES RELATING TO NF CERTIFICATION Type of service Service definition General conditions common to NF marks Registration Contribution to setting up the NF mark including drawing up the certification sta
86. asked of me in conformity with these rules Yours faithfully Date and signature of the official representative of the maintenance beneficiary Certification reference NF 414 Rev 8 38 42 Heat Pump NF mark STANDARD SHEET 1 GENERAL DATA SHEET CONCERNING Heat Pump NF MARK THE APPLICANT Corporate Name discs heise ieee RA eet bie AM antenne ieee ieee T l phoner aient Ot Aas Menke Ras LEUR EMA PO A ee tea SIRE PNG atti ete iad re NAF code Websites ies Bin eee aaa eile ne ele eee ee Certified quality system 0 ISO 9001 attach copy of certificate THE MANUFACTURER If different from applicant holder above Complete for each manufacturing site including for internal units Corporate Names tee MAE RAR AN MAM Mele CP A cs RM a heed eos nat TEE PHONE anaa BONG pa ticket EE ET E E AEE EE RAR PEIE Re EE A AES NE E era n Certified quality system 0 ISO 9001 attach copy of certificate THE AUTHORISED AGENT or DISTRIBUTOR if necessary Corporate Names ste ce A E EA E EAE S T Addresse r tenth el Bate eile als eee te ee ON Le ALES EE Sokeat aut sda dawed Macy tandetwnc a EE dedharte e E ER T l phone sense toh Katy Mess FANS MO cute MONRO EN Ha ae Rat SIRET NOS SE near dt nue eurst NINE Gide ann ane Name and position of official representative SR EEE ATID UC at Rad hee sci AT Red a en tai Email address of contact person sanie tian Mek A ge AO A RAEN WEDSILGE ston EAA Sr A T A AA emote dusetnadeek een ca
87. at Pump NF mark Dual mode 4 DATA AND CERTIFIED FEATURES Characteristics and performances HP no 1 HP no 2 HP no 3 HP no HP no for DHW applications dual mode Reference of the outdoor unit of dual mode HP HP Reference of the DHW cylinder Nominal voltage in V b Curenttype tttsti lt is stsS 50 Hz or 3 50Hz or 3 N 50 Hz Temperature conditions Reference hot water temperature 0 wH 2 52 5 Max effective hot water volume as per NF EN 16147 Vmax I COPpuw alternating or COPagiobai simultaneous The ratio heating power absorbed power is rounded up with 3 significant figures to 2 decimal places Temperature conditions Set point 0 temperature 0 wH Reference hot water ax elective not water volume as per 16147 Vmax I Spare capacity Pes in kW COPouw alternating or COPgiobal simultaneous stated with 3 significant figures Examples Heating Power kW 79 89 79 90 80 00 80 09 80 10 80 00 80 00 80 00 80 00 Absorbed power kW 20 00 20 00 20 00 20 00 20 00 20 03 20 02 19 98 19 97 COP 3 99 4 00 4 00 4 01 3 99 4 00 4 00 4 00 4 01 Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix C Dual mode 23 23 STANDARD SHEET 2B DECLARATION OF GROUP OG RANGES FOR SIMULATION OF ALTERNINHG MODE HP
88. atic pressure as defined in Table 6 expressed in Pascal q is the nominal indoor air flow rate expressed in cubic metres per second e For appliances using a liquid as the outside heat transfer fluid If the circulation pump is built into the appliance __gXAp A C outdoor 7 else x Api outdoor os A 8 7 where n is determined using the method in Appendix B Ape is the available external static pressure differential measured expressed in Pascal Ap is the internal static pressure differential expressed in Pascal q is the nominal water flow rate expressed in cubic metres per second Certification reference NF 414 Rev 8 Appendix EE Heat Pump NF mark Gas HP tests A 3 Calculation of correction Chr Heat recovery is only carried out on a liquid circuit If the circulation pump is built into the appliance xA R 4 P A9 7 else 6 A R10 7 where n is determined using the method in Appendix B Ape is the available external static pressure differential measured expressed in Pascal Ap is the internal static pressure differential expressed in Pascal q is the nominal water flow rate expressed in cubic metres per second 40 47 Certification reference NF 414 Rev 8 Appendix EE 41 47 Heat Pump NF mark Gas HP tests ANNEXE B LIQUID CIRCULATION PUMP EFFICIENCY DETERMINATION B 1 General The circulation pump efficiency calculation method regardless of whether the pum
89. be affixed to the outdoor and indoor units However if not all the units offered in the holder s catalogue are covered by the combinations defined in the ranges for which the NF mark has been granted no NF logo shall be affixed In this case the holder must make the following wording appear in the indoor and outdoor unit rating plates Combinations admitted for the NF mark see installation and user manuals 2 4 3 2 Reproduction of the NF logo on the packaging of the certified product When the packaging mentions the NF mark it shall include the NF logo in accordance with the graphic design charter 2 4 3 3 Reproduction of the NF logo on documentation and in advertising Technical and commercial documents labels posters advertising websites etc The NF logo must be reproduced on the documentation in accordance with the corporate identity and if applicable with the conditions for which the products benefit from the right to use the NF mark as defined in paragraph 2 4 3 1 The holder shall only use the NF mark on the document to distinguish certified products and where there is no risk of confusion and interpretation For this reason the publications shall include a chapter explaining the scope of the certificate Information on the mains reasons and benefit of using a certified product will be given to the user Reproduction of the NF mark on the holder s letterhead is not allowed unless the holder has the NF mark for all pro
90. bed electrical power o The acoustic power level The products covered are defined according to the following types o outdoor air swimming pool water type o ground water swimming pool water type o glycol water mix swimming pool water type o ground swimming pool water type B 2 REFERENCE DOCUMENTS The documents mentioned in 2 2 2 are completed by the following e NFEN 14511 1 October 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling e Part 1 Terms and definitions e Part 2 Test conditions e Part 3 Test methods e Part 4 Requirements Note Swimming pool heat pumps do not fall within the scope of standard EN 14511 however it is used to determine the performance of the appliance e NF EN 15879 1 April 2011 Testing and rating of direct exchange ground coupled heat pumps with electrically driven compressors for space heating and or cooling Part 1 Direct exchange to water heat pumps Certification reference NF 414 Rev 8 Appendix B 3 8 Heat Pump NF mark Swimming pool heat pumps B 3 DEFINITION OF SYSTEMS AND RANGES A heat pump range comprises products with the same components namely e same refrigeration process for example number of compressors or stages etc e same refrigerant e same compressor type e same expansion valve type e same evaporator type e same condenser type e same defrost p
91. cant about the organisation methods auditor duration of the audit audited sites laboratories sampled products etc 3 2 3 Inspection methods The inspections carried out for the NF mark are generally of two different types e audits conducted during visits to the manufacturing units e tests on the submitted products 3 2 3 1 Audits Each audit is performed by an audit body see 5 2 chosen by EUROVENT CERTITA as audit leader The audit will last least one day The visit carried out by an NF inspector auditor has the purpose of ensuring that the measures defined and implemented by the applicant during the audited design and or manufacturing and or marketing process meet the corresponding requirements established in Part 2 of these certification rules The report s shall when required include a response request within a time frame set in the report cover letter For situations in which the company subcontracts a part of their activity EJROVENT CERTITA reserves the right to send an NF inspector auditor to visit the subcontractor s in the same terms established in these rules The inspector auditor must be provided with all the resources necessary offices installations facilities to perform the assignment including competent people to carry it out Samples may be identified and or taken during the visit for examinations or tests An observer bounded to the respect of confidentiality this observer is chosen by EUROVENT
92. ce a product is no longer marketed Should components be modified the manufacturer shall assess the impact on manufactured products that have already been delivered and offer replacement solutions that guarantee the performance of the HP Records must be kept up to date and stored 2 3 3 13 Documentation control The holder shall check all documents technical installation and sales documents manuals web sites etc that mention the certified features and the NF logo as defined in 2 4 below before they are circulated This check shall be validated and recorded by competent identified persons The holder shall also ensure that it controls its applications for the right to use the NF mark in order to inform EUROVENT CERTITA of any modification of elements forming them particularly if they affect the certified features 2 4 MARKING Marking is an integral part of the certification of a product Beyond the identification of a certified product and its traceability the marking of a product with the NF logo ensures better protection of the mark and facilitates legal proceedings and penalties for infringement Furthermore giving the main certified features is an advantage for consumers and promotes the certification and its content 2 4 1 Reference texts The French consumer code a desire for transparency Certification reference NF 414 Rev 8 13 42 Heat Pump NF mark Communication of information concerning product and ser
93. certified two products from different ranges are sampled annually The products to be sampled are chosen by EUROVENT CERTITA who informs the holder of the appliances to be manufactured in advance in order to enable the auditor to identify them during the audit Certification reference NF 414 Rev 8 23 42 Heat Pump NF mark assignment In the absence of a monitoring audit EUROVENT CERTITA approaches the holder to tell it which products to manufacture and organise their sampling Tests are performed in a recognised laboratory see 5 3 in accordance with the rules fixed in Part 2 2 2 A test report is produced by the laboratory and sent to the holder by EUROVENT CERTITA For those holders who have an authorised laboratory see Part 6 one of the two sample products shall be subject to an inter comparison with a recognised laboratory The other product can be tested in its authorised laboratory a test report is drawn up and sent to EUROVENT CERTITA For each HP type the allowable tolerances relative to the certified values are given in part 9 When considering a range of products if the test results for a sample product are different from the certified features except from the defined tolerances all the values of the certified features of the range must be changed on the basis of the test report results for the tested product 4 3 EVALUATION AND DECISION EUROVENT CERTITA assesses each report in accordance with the current procedures
94. cial reference and technical characteristics As a result any modification to the conditions to obtain the NF mark must be reported by the holder in writing to EUROVENT CERTITA In addition EJROVENT CERTITA is entitled to carry out or have carried out any additional audit or test it deems necessary as a result of complaints disputes or litigations they are aware of in connection with the use of NF mark Inspections may be carried out on the market In the event of disputes with users inspections may include sampling or tests on the sites of use in this case the holder is invited to send a representative there 4 1 PROCESS APPLICANT f EUROVENT CERTITA i SPECIAL COMMITEE Factory verifications Tee eee eee ae 4 2 1 z Audit and sampling Yv y Correctives actions if any i Kenn Tests 4 2 2 y a Evaluation of audit and Presentation to the special Sennen a gt tests reports gt committee 4 3 except 4 3 intersession validation Decision and notification 4 3 Certification reference NF 414 Rev 8 22 42 Heat Pump NF mark 4 2 METHODS FOR FOLLOW UP INSPECTIONS The follow up methods depend on the decisions made as a result of previous inspections 4 2 1 Audits 4 2 1 1 Purpose Each audit is performed by an audit body see 5 2 chosen by EUROVENT CERTITA as audit leader The visit has the purpose of ensuring that the measures
95. comes first A full cycle consists of a heating period and a defrosting period from the end of one defrosting to the end of defrosting With this procedure the maximum data acquisition time is 4 hours During defrosting cycles and for the 10 min following defrosting some data used to evaluate the capacity and heat input values of the heat pump should be recorded more frequently at intervals equal to 10s or less If the room calorimeter method is used the data to be recorded more frequently include all the measurements required to determine the inside capacity For heat pumps that automatically shut down the indoor fan during a defrosting cycle capacity integration should be continued when the indoor fan is shut down Certification reference NF 414 Rev 8 Appendix EE 29 47 Heat Pump NF mark Gas HP tests 6 9 Measurement in cooling mode Regardless of the type of appliances tested the following procedure should be applied for tests in cooling mode 6 9 1 Stabilised mode conditions and setting The mode is deemed to be stabilised and maintained when all the quantities measured remain constant without having to modify the set point values for at least 1 hour in line with the tolerances specified in Table 7 Periodical fluctuations of the quantities measured caused by the use of regulation and control equipment are allowed provided that the mean or individual value of these fluctuations according to the circumstances does
96. d HP tests Ground ground type heat pumps do not fall within the scope of a standard for the determination of heat pump thermal performance This exclusion is related to the test method which is very different from those described in the European standard and applicable for heat pumps using air and water as heat transfer fluids Pending the preparation and publication of a European standard for these special appliances CEN TC113 WG10 work the test protocol below is applied for the certification of ground ground heat pumps with respect to the heat pump NF mark BB 1 PRODUCT DESCRIPTION Ground ground heat pumps comprise e A module containing the compressor expansion device refrigeration accessories and regulation parts e An evaporator exchanger made up of a series of polyethylene coated copper tube crowns in general e A condenser exchanger made up of a series of polyethylene coated copper tube crowns in general BB 2 ENERGY PERFORMANCE The evaporator crowns are unwound on wooden supports at a height of around 1m 20 in a first climatic room The dry temperature of this climatic room is adjusted and controlled so as to maintain the required evaporation temperature The evaporator crowns are unwound on wooden supports at a height of around 1m 20 in a second climatic room The dry temperature of this climatic room is adjusted and controlled so as to maintain the required condensation temperature A flow meter is installed up
97. d as a stabilised mode test Stabilised mode tests should end after a data acquisition period of at least 70 min 6 8 5 Transient mode test procedure If a heating capacity test is considered to be a transient mode test in accordance with 6 8 4 the following modifications should be made To obtain a valid heating capacity test in transient mode the test tolerances specified in Table 8 should be obtained both during the stabilisation period and during the data acquisition period As specified in Table 8 these test tolerances are specified for two subintervals The interval H consists of the data compiled during each heating phase except for the first 10 minutes following the end of defrosting The interval D consists of the data compiled during each defrosting cycle and during the first 10 minutes of the next heating phase All the data compiled during each interval H or D should be used to evaluate compliance with Table 8 The data from two or more H intervals or two or more D intervals should not be combined and subsequently used to evaluate compliance with Table 8 Compliance is based on the evaluation of the data from each individual interval The data acquisition period should be extended until 3 hours have elapsed or a full number of cycles have been completed unless the mean time interval for a full cycle is greater than 2 hours in which case the data acquisition period should only consist of one full cycle or 4 hours whichever
98. d has a significant influence on the machine operating stability during testing This value is thus inherent to the machine Therefore it cannot be quantified The heating capacity of the condenser is calculated with the formula Pf cond QM ff h ref h liq Where qm flow of liquid refrigerant in kg s h ref enthalpy corresponding to the discharge pressure in kJ kg h enthalpy corresponding to the liquid temperature in kJ kg The COP is calculated as follows COP Pf cona Pelec Where Pf cona in KW Pelec in kW BB 3 SOUND PERFORMANCE The sound tests are conducted in a reverberant room according to standard NF EN ISO 3741 Determination of sound power levels of noise sources Precision methods for broad band sources in reverberation rooms under the nominal thermal conditions They involve measuring the sound power levels by one third octave bands between 100 and 10 000 Hz as well as the A weighted global sound power level BB 3 1 Operating conditions The tests only cover the HP module The test conditions are those described in appendices A and B of this reference standard In the case of tests according to the two applications for the ground water heat pumps the test conditions of the fan convector application are selected for the sound test BB 3 2 Installation and test methods The module is placed in a reverberant room The evaporator crowns are replaced by a water exchanger placed in a second r
99. d inferior e Etap energy of the drawing cycle in kWh Ep energy of static losses during the drawing cycle in kWh e Psg the standby power electrical power in W Energy of static losses Ep is equal to Ep 0 024 x Pp is the power of static losses defined in this document Certification reference NF 414 Rev 8 Appendix C 12 23 Heat Pump NF mark Dual mode Reference hot water temperature Plwy in C Vi X Towe Vo X 40 1 Cuve Vi V T Ow With V 1 a xV V 0 if the restart of the HP is not allowed to s AX T Cuve 10 60x 1 7 x ef _ If the probe is located in the half superior of the storage tank so A is taken at 15 s C if the probe is located in the half inferior Ais taken at 0 t V PA oe 2 VMAX 4185 30 Pymax is the absorbed power at the point 47 55 in kW tis the period of the start of the HP time during which the power is insignificant ST Oif the restart of the HP is not allowed ST 1 0 x 0 45 xMoation x Towe 40 if the restart of the HP is allowed 4185 x V V Maximum effective hot water volume VMAX I Vi x Toye 10 30x V Vmax 30 Certification reference Heat Pump NF mark Example of simulation The following chart gives an example of final results by using the formulas NF 414 Rev 8 Appendix C Dual mode 13 23
100. d regulatory directives Aminimum of 5 years for all records of product inspections From receipt to storage as well as customer complaints 5 Management responsibility 5 1 Management commitment Communicate the importance of meeting customer requirements establish a quality policy draw up quality objectives management reviews resources 5 3 Quality policy Applicable in fu 5 4 1 Planning objectives Applicable in fu 5 5 Responsibility authority and communication 5 5 1 Responsibility and authority Applicable in fu 5 5 2 Management Representative Applicable in fu 5 5 3 Internal communication Applicable in fu 5 6 Management review 5 6 1 General Management must at planned intervals review all of the requirements linked to the NF mark Certification reference Heat Pump NF mark NF 414 Rev 8 10 42 6 Resource management 6 1 Provision of resources Applicable in full 6 2 Human resources 6 2 1 General Applicable in full 6 2 2 Competence awareness and training Applicable in full 6 3 Infrastructure Provide and maintain the buildings equipment and supporting services needed to ensure product conformity 7 Product manufacture 7 1 Planning of product manufacture The requirements of this standard must be taken into account 7 2 3 Communication with customers Applicable in full 74 Purchasin
101. d with 3 significant figures The ratio heating power absorbed power is rounded up with 3 significant figures to 2 decimal places see the examples upon mentioned Certification reference NF 414 Rev 8 Appendix A 35 37 Heat Pump NF mark Heating and cooling 6 1 DATA AND CERTIFIED FEATURES FOR MULTISPLIT HEAT PUMPS A Applies to space heating HPs only Use one chart for each outdoor unit object of the application of the right of use For the outdoor unit O U Use one table per outdoor unit which is subject to the right of use application Reference Model Nominal voltage in Current type Sound power in dB A stated in h v 50 Hz or 3 50Hz or 3 1 10 N 50 Hz Radiated noise maximum Combinations by size Ratio in Heating Absorbed COP Heating Absorbed COP of indoor units I U OU power Capacity in power in kW capacity in power in with those of KW at kW kW IU in at 7 6_20 15 C at 7 at 7 operation 7 6_20 15 C 8 20 15 C 8 20 15 C e g AtA to D E A A A 4 to 4 A C D A A A A 4 to 4 B B B C Certification reference NF 414 Rev 8 Appendix A Heating and cooling 36 37 Heat Pump NF mark 6 2 CERTIFIED SOUND POWERS FOR MULTISPLIT HEAT PUMPS A the sound power tables in dB A stated in 1 10 need t
102. decision for the range Maximum water temperature Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix E Gas engine driven HP 12 15 4 MAIN COMPONENTS OF THE HEAT PUMP HP no 1 HP no 2 HP no Reference model Liquid refrigerant Type Load kg Compressor Type Piston Scroll etc Trade name Model Number Heat engine Number of cylinders total cubic capacity Trade name Model Expansion device Type Manufacturer Model Hydraulic module air water version Type Model Module regulation Liquid receiver Volume in I Certification reference NF 414 Rev 8 Appendix E 13 15 Heat Pump NF mark Gas engine driven HP FOR INDOOR EXCHANGER AIR Fill in if covered HP no 1 HP no 2 HP no Reference model for separate components from the HP Exchanger Type Manufacturer Model Front area m Fins type spacing in mm Fan s Number Trade name Type Rotation speed rpm Diameter of blades or turbine mm Number of blades turbines Motor Manufacturer Reference Certification reference Heat Pump NF mark NF 414 Rev 7 Appendix E Gas engine driven HP 5 DATA AND CERTIFIED FEAT
103. declared operating point If applicable the particular characteristics of variable power regulation HPs are determined at 1 operating point If applicable the share of electrical power of the auxiliaries is determined at 1 operating point Certification reference NF 414 Rev 8 Appendix E 5 15 Heat Pump NF mark Gas engine driven HP Conditions for validation of declared values for heating capacities If the declared values comply with the measured values taking the applicable tolerances into account they are validated The applicable tolerances on the declared values are defined as follows e 5 for the heating capacities measured for water and the corresponding GUE e 5 for heating capacities for air measured in steady state by the room calorimeter method and the corresponding GUE e 10 for heating capacities for air measured in transient regime defrosting cycles e by the room calorimeter method and the corresponding GUE e 10 for heating capacities for air measured by the enthalpy method for air and the corresponding GUE If the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance For values corresponding to unmeasured points the declared values are corrected by a value equal to the mean differences relative to the compliance thresholds this mean is calculated solely from the non compliant measured values see example below Example of validati
104. declared value 4 2 e Measured values non compliant validated value measured value x 1 05 e Unmeasured values validated value Declared value corrected by the mean of the relative differences with respect to the compliance thresholds mean calculated from non compliant values only e Mean relative differences with respect to compliance thresholds 3 3 2 5 5 7 3 3 8 Example Air to Water HP corrected matrix Downstream temperature C Upstream temperature air side C T flow T return 1 2 7 C C Declared Difference Validated Declared Difference Validated Declared Difference Validated 35 30 4 20 4 8 4 20 3 40 3 30 7 20 8 3 6 90 45 40 4 00 75 3 90 2 80 10 7 2 60 7 40 7 10 A 6 7 2 Acoustic performances If the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance If the measured sound power level of a product exceeds the declared level for the product by more than 2 dB A all the range values must be changed on the basis of the deviation observed on the tested product between the declared sound power value and the test report result For multi split heat pumps if the measured sound power level of one or more combinations exceeds the declared level by more than 2 dB A the certification file will be presented to the Special Committee and the reduction to apply to all
105. defined and implemented by the applicant during the audited design and or manufacturing and or marketing process meet the corresponding requirements established in Part 2 of these certification rules For situations in which the holder subcontracts a part of their activity EUROVENT CERTITA reserves the right to send an auditor to visit the subcontractor s in the same terms established in these rules The inspector auditor must be provided with all the resources necessary offices installations facilities to perform the assignment including competent people to carry it out Samples may be identified and or taken during the visit for examinations or tests An observer bounded to the respect of confidentiality this observer is chosen by EUROVENT CERTITA by standards and agreements which he has signed can take part to the audit The holder is systematically informed by EUROVENT CERTITA of the presence of this observer prior to the audit For each audit an audit report is prepared and sent to the holder This report depending on each case can be sent to the applicant before or after the evaluation It can be sent by the auditor the inspection body or EUROVENT CERTITA Each report showing a remark or a non conformity requires an answer within a timeframe fixed within the report or the accompanying letter 4 2 1 2 Frequency of the audit visits The audit will last at least one day and be carried out once a year Normal monitoring of the manuf
106. duction 2 4 3 4 Examples of additional information that can be given with the marking Name and address of manufacturer Product designation Identification of the certification reference standard Certified features Certificate number Details of the overall construction including the dimensions and weight Identification of the main components Detailed user s instructions including the explanation of any marking using a symbol The details of all operating maintenance required as well as its frequency Information about how to deal with a fault Product operating condition Reference to environmental noise regulations 2 4 4 Information on certified characteristics performances In the NF certification system certified performances must appear at least on one of the supports product packaging documentation Certification reference NF 414 Rev 8 15 42 Heat Pump NF mark Without prejudice to the sanctions laid down in the general rules of the NF mark any incorrect announcement of the certified features exposes the holder to legal proceedings for fraud and or misleading advertising 2 4 5 Provision on documentation The purpose of this paragraph is to set out the additional requirements of the NF mark to be shown in the holder s documentation technical installation and sales documents manuals websites etc For refrigerated circuits loaded on the site of use the holder must indicate the instructions on a
107. e following formula Certification reference NF 414 Rev 8 Appendix EE 13 47 Heat Pump NF mark Gas HP tests Moly Mt OISPA tig p e 9 Pa P 288 15 d where Mh is the gas heat input measured in heating mode for the sample in question in kilograms per hour Daj is the atmospheric pressure for the sample in question in millibar Dj is the gas feed pressure at the meter for the sample in question in millibar Dwi is the partial water vapour pressure in the gas for the sample in question in millibar faj is the temperature of the gas at the meter for the sample in question in degrees Celsius dr is the density of the reference gas with respect to dry air d is the density of the dry gas used with respect to dry air Him is the net calorific value by mass of the reference gas under reference conditions dry gas 150C 1013 25 mbar Voh is the volume flow rate of the reference gas under the reference conditions dry gas 15 C 1 013 25 mbar determined using the following formula Voh Vhj 1013 25 P ig Pa Pj P 288 15 P 10 1013 25 101325 27315 1g dr Hiv is the net calorific value by volume of the reference gas under reference conditions dry gas 15 C 1013 25 mbar 3 9 Gas heat input and nominal heat input in cooling mode The procedure for calculating the gas heat input and nominal heat input in heating mode should be applied for calculating the gas heat input and nominal heat input respectively
108. e Heat Pump NF mark NF 414 Rev 8 Appendix A Heating and cooling 25 37 FOR OUTDOOR EXCHANGER WATER Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model components of the HP only for separate Exchanger s Type Manufacturer Model Number Integrated pump YES or NO Manufacturer Model Number positions Set position if several Glycol water type concentration and Certification reference NF 414 Rev 8 Appendix A 26 37 Heat Pump NF mark Heating and cooling FOR OUTDOOR EXCHANGER AIR Fill in if covered HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model for separate components from the HP Exchanger s Type Manufacturer Model Front area m Fins type spacing in mm Fan s Type Number Trade name Rotation speed rpm Diameter of blades or turbine mm Number of blades turbines Fan motor s Manufacturer Reference Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix A Heating and cooling 27 37 FO
109. e automatique se produit D givrage La fin de la p riode de mise en temp rature AT diminue de plus de 2 5 pendant les 70 premi res minutes de la p riode d acquisition des donn es Figure Erreur Code op conditionnel inconnu 4 Transient mode heating capacity test with defrosting cycle during data acquisition period Certification reference NF 414 Rev 8 Appendix EE 46 47 Heat Pump NF mark Gas HP tests Conformit aux tolerances d essai d abord obtenues L P riode de mise en temperature P riode d acquisition des donn es 10 minutes minimum 3 heures P riode d quilibre 60 min Essai en r gime transitoire Essai termin quand la p riode d acquisition des donn es est gale 3 heures T D givrage la fin de la p riode de mise en temp rature 1 cycle complet Donn es pour calcul de puissance Figure C 5 Transient mode heating capacity test with full cycle during data acquisition period Conformit aux tol rances d essai d abord P riode de mise en temp rature P riode d acquisition des donn es obtenues 10 minutes minimum 3 heures P riode d quilibre 60 min L Essai en r gime transitoire Essai termin quand la p riode d acquisition des donn es est gale 3 heures 1 cycle complet D givrage la fin Donn es pour calcul de puissance de la p riode de mise en temp rature
110. e defined time interval It consists of the electric power absorbed for compressor operation for engine driven HPs or for the operation of the boiler absorber solution pump assembly for absorption HPs and any electric power absorbed by defrosting along with the power absorbed by all the control and safety devices of the appliance P the share of power of the devices e g fans pumps providing circulation of the heat transfer fluids inside the appliance Tables 1 to 4 show the calculation formulas for Pe according to the type of appliance 3 2 Heating capacity Pu The heating capacity of air air or liquid air heat pumps and the cooling capacity if they are reversible should be determined by means of room calorimeter measurements or by the enthalpy method for air described in Annex A and in Annex B of the NF EN 14511 3 2011 standard respectively The heating capacity of air liquid liquid liquid heat pumps and the cooling capacity if they are reversible should be determined according to the direct method on the heat exchanger in contact with the heat transfer fluid water or glycol water by determining the volume flow rate of the heat transfer fluid and the inlet and outlet temperatures according for the specific heat and density of the heat transfer fluid The heating capacity should be determined using the following formula n gt q pi Cpi Ati peen F 1 where j is the sample number n is the numb
111. e duct towards the outside is less than 25 Pa the heating capacity measurement tests are conducted in the outdoor free air blowing configuration with a pressure equal to 0 B 4 1 Energy performance in heating mode The energy performance in heating mode meaning the heating capacity the absorbed electrical power and the COP must be determined under the conditions below COP thresholds are defined and must be respected B 4 1 1 Outdoor air swimming pool water v Application for seasonal use Low water flow heat pumps AT 5 C Evaporator Swimming pool heating system Min COP Dry bulb Wet bulb Water inlet Water outlet temperature C temperature C temperature C temperature C 15 12 26 31 4 20 7 6 26 t 3 40 The test is performed with the water flow rate determined during the test at 15 C High water flow heat pumps AT 20 Evaporator Swimming pool heating system Min COP Dry bulb Wet bulb Water inlet Water outlet temperature C temperature C temperature C temperature C 15 12 26 28 4 20 7 6 26 E 3 40 The test is performed with the water flow rate determined during the test at 15 C Minimum air temperature 7 6 C with a minimum water temperature of 12 C Maximum air temperature 30 20 C with maximum water temperature 26 C For both these conditions the machine must start and operate for 20 minutes A test for s
112. e outdoor exchanger fluid Electrical component for indoor effective effective type exchanger fluid circulation circulation Qen Pe Liquid Liquid The pump is integrated in the The pump is integrated in the OO Cea Py Fe P PG Coutdoor appliance appliance The pump is not integrated in the Over Cou Py Ciro P P Cr ee appliance The pump is not integrated in The pump is integrated in the One Cres Pa HC P P ee an the appliance appliance The pump is not integrated in the Ory Ceaz Py Co P P Ce Conntoor Table 3 Qen and Pe calculation for Liquid Liquid appliances Certification reference NF 414 Rev 8 Appendix EE 10 47 Heat Pump NF mark Gas HP tests 3 4 Heat recovery capacity Per evaluated quantity The heat recovery capacity in both heating and cooling mode should be determined according to the direct method on the heat exchanger in contact with the heat transfer fluid water or glycol water by determining the volume flow rate of the heat transfer fluid and the inlet and outlet temperatures according for the specific heat and density of the heat transfer fluid The heating capacity should be determined using the following formula gt Qi p Cpi An Pon 3 n where j is the sample number n is the number of samples during the data acquisition period PEhr isthe heat recovery capacity expressed in Watts qj is the volume flow rate of the heat transfer fluid for th
113. e sample in question expressed in cubic metres per second P is the density of the heat transfer fluid at the measurement temperature for the sample in question expressed in kilograms per cubic metre Cpi is the specific heat at constant pressure corresponding to the mean temperature of the heat transfer fluid for the sample in question expressed in Joules per kilogramme kelvin At is the inlet outlet temperature differential for the sample in question expressed in kelvin Note 1 The water mass flow rate can be measured directly as a substitute for the term p q Note 2 The enthalpy differential can also be used as a substitute for the term Cpj At 3 5 Effective heat recovery capacity Qen evaluated quantity The effective heat recovery capacity Qenr consists of the mean heat recovery capacity reproduced on the inside circuit by the appliance during the defined time interval when the appliance is supplied with a reference gas from the gas category covering the appliance under reference conditions dry gas 15 C 1013 25 mbar It consists of the heat recovery capacity Pr corrected for the effect of the test gas actually used the share of power of the pump providing circulation of the heat transfer fluid in the heat recovery circuit Certification reference NF 414 Rev 8 Appendix EE 11 47 Heat Pump NF mark Gas HP tests The correction to be applied to the heat recovery capacity Pen to obtain the effective
114. easured in transient regime defrosting cycles e by the room calorimeter method and the corresponding GUE e 10 for heating capacities for air measured by the enthalpy method for air and the corresponding GUE If the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance For values corresponding to unmeasured points the declared values are corrected by a value equal to the mean differences relative to the compliance thresholds this mean is calculated solely from the non compliant measured values see example below Example of validation of declared values Air water HP Comparison between declared and measured powers kW Downstream Upstream temperature air side C temperature C T flow T return 7 2 7 Declare Measur Differenc Declare Measure Differen Declare Measure Differe d ed e d d ce d d nce 35 30 4 20 4 00 4 8 3 40 7 20 6 60 8 3 45 40 4 00 3 70 7 5 2 80 2 50 10 7 7 40 Tolerance on Powers 5 Processing of values e Measured values compliant 4 0 validated value declared value 4 2 e Measured values non compliant validated value measured value x 1 05 e Unmeasured values validated value Declared value corrected by the mean of the relative differences with respect to the compliance thresholds mean calculated from non compliant values only e Mean relative diffe
115. eat Pump NF mark Table of test conditions as per Pr EN 12309 3 NF 414 Rev 8 Appendix D Gas absorption HP T upstream outdoor air C 15 7 2 7 12 20 T downstream water C T flow T return 35 45 55 65 as per Pr EN 12309 3 standard D 4 1 2 Ground water water HP Matrix as per RT 2012 T gt T upstream ground water C 2 5 7 5 12 5 17 5 T downstream water C 30 35 45 50 60 Table of test conditions as per Pr T upstream ground water C EN 12309 3 T return 10 15 T flow J fi T downstream water C T flow T return 35 45 55 i 65 Z as per Pr EN 12309 3 standard D 4 1 3 Glycol water water or glycol water glycol water HP Matrix as per RT 2012 T gt T upstream glycol water C 2 5 7 5 12 5 17 5 T downstream water or glycol water C 30 35 45 50 60 Certification reference NF 414 Rev 8 Appendix D 8 16 Heat Pump NF mark Gas absorption HP Table of test conditions as per Pr T upstream glycol water C EN 12309 3 T return 5 0 5 10 15 T flow i id T downstream water or glycol water C T flow T return 35 45 55 6
116. elow Admissible deviation on the Admissible deviation on the arithmetic mean from the set point individual values from the set value point value Liquid refrigerant a 0 3 K temperature the test method has a significant influence on the machine operating stability during testing This value is thus inherent to the machine Therefore it cannot be quantified The heating capacity of the condenser is calculated with the formula Pf cona AM y j Aen z hoor Where qm flow of liquid refrigerant in kg s h ent enthalpy corresponding to the floor inlet pressure in kJ kg h sort enthalpy corresponding to the floor outlet temperature in kJ kg The COP is calculated as follows Pf eona Pelec Where Pf cona in KW Pelec in kW COP DD 3 SOUND PERFORMANCE The sound tests are conducted in a reverberant room according to standard NF EN ISO 3741 Determination of sound power levels of noise sources Precision methods for broad band sources in reverberation rooms under the nominal thermal conditions They involve measuring the sound power levels by one third octave bands between 100 and 10 000 Hz as well as the A weighted global sound power level Certification reference NF 414 Rev 8 Appendix DD 4 4 Heat Pump NF mark Outdoor air ground heat pumps tests DD 3 1 Operating conditions The tests are only conducted on the heat pump module s containing the compressor and air evaporato
117. ence NF 414 Rev 8 Appendix EE 42 47 Heat Pump NF mark Gas HP tests where n is the liquid circulation pump efficiency Phydrau is the measured hydraulic power of the pump in Watts The pump efficiency graphs as a function of the hydraulic power are given below as an indication Efficiency of cirulating pumps source COSTIC 60 50 an 031 z as 20 10 o 0 100 200 300 400 500 600 Phydrau W Efficiency of circulating pumps extrapolation of COSTIC curve above 1 kW y 0 082Ln x 0 9403 R 0 9876 1000 1600 2000 2500 3000 3500 4000 Phydrau W Figure B 1 Pump efficiency as a function of hydraulic power Certification reference NF 414 Rev 8 Appendix EE 43 47 Heat Pump NF mark Gas HP tests ANNEXE C HEATING CAPACITY TESTS FLOW CHART AND EXAMPLES OF VARIOUS TEST SEQUENCES C 1 Figure E 1 illustrates using a flow chart the test procedure described in 6 6 2 D marrage de la chambre d essai D marrage de l unit 4 4 4 2 Fonctionnement jusqu a ce que les tol rances d essai du Tableau 4 soient satisfaites eee D but de la p riode de mise en temp rature 4 4 4 2 i D givrage la fin D but de la p riode de la p riode de mise 10 min de D but de la p riode en fonctionnement apr s d quilibre selon 4 4 4 3 d quilibre selon 4 4 4 3 temp rature d givrage
118. ent sheet of the company distributor name to distribute under this trade name name or commercial reference only the products that deliver to it undertake to inform EUROVENT CERTITA immediately of any modification made in the distribution of said products especially of any cessation in supply to the aforementioned Company authorise EUROVENT CERTITA to inform the aforementioned Company of any penalty applied taken in accordance with the Regulations regarding the products covered by this application gt Yours faithfully DISTRIBUTOR S STAMP Date and signature of the official Representative of the holder maintenance applicant Certification reference NF 414 Rev 8 37 42 Heat Pump NF mark STANDARD LETTER 3B APPLICATION FOR MAINTENANCE OF THE RIGHT TO USE THE NF MARK DISTRIBUTOR S COMMITMENT Heat Pump NF MARK To be drawn up on the distributor s headed paper lth undersigned san NRA AR TE getiad eel da ne EE ne acting as manager of the Ltd Company sut sieste a Chairman of the board 28m aan a en Re a Chairman ofthe Ltd Company inerci pee tone os doctrines Whoseheadofhiceisat succor dats et laa Ree a e a a a a Aas Pa e a ara ck hereby undertake not to make any technical modification regarding the nature and or working features of the products described here below Trade name requested by distributor beneficiary Identification of the NF mark admitted product The term Trade name refers to any dis
119. er of samples during the data acquisition period PH is the heating capacity expressed in Watts qj is the volume flow rate of the heat transfer fluid for the sample in question expressed in cubic metres per second pj is the density of the heat transfer fluid at the measurement temperature for the sample in question expressed in kilograms per cubic metre Certification reference NF 414 Rev 8 Appendix EE 6 47 Heat Pump NF mark Gas HP tests Cpj is the specific heat at constant pressure corresponding to the mean temperature of the heat transfer fluid for the sample in question expressed in Joules per kilogramme kelvin At is the inlet outlet temperature differential for the sample in question expressed in kelvin Note 1 The water mass flow rate can be measured directly as a substitute for the term p q Note 2 The enthalpy differential can also be used as a substitute for the term Cp At 3 3 Effective heating capacity Qen The effective heating capacity consists of the mean heating capacity reproduced on the inside circuit by the appliance during the defined time interval when the appliance is supplied with a reference gas from the gas category covering the appliance under reference conditions dry gas 15 C 1013 25 mbar It consists of the heating capacity Py corrected for the effect of the test gas actually used the share of power of the devices providing circulation of the heat transfer fluids inside the appli
120. erence NF 414 Rev 8 Appendix EE 35 47 Heat Pump NF mark Gas HP tests Result quantity measured Unit volume flow rate circulation pump speed setting if applicable pressure differential Table 11 Data to be recorded for tests using the calorimetric method 1 3 Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests 36 47 Result quantity measured Unit inlet wet bulb temperature C For ducted appliances outlet dry bulb temperature G outlet wet bulb temperature C external internal static pressure differential Pa volume flow rate q m s Water or glycol water inlet temperature C outlet temperature volume flow rate m s circulation pump speed setting if applicable 7 2 pressure differential kPa Heat recovery exchanger inlet temperature EC outlet temperature ae volume flow rate m s pressure differential kPa Heat transfer fluid other than water concentration volume density kg m specific heat J kg K Liquid refrigerant 4 discharge pressure bar abs saturated vapour temperature bubble point He liquid temperature C Compressor component s open compressor running speed min engine power for open compressors only W component frequency in case of Inverter control Hz Table 12 Data to be recorded for tests using the calorimetric method 2 3 Certification reference NF 414 Rev 8 Appendix EE Heat Pump NF mark Gas HP tests 37 47
121. ertification body by COFRAC or an EA member European cooperation for Accreditation see members on the COFRAC website www cofrac fr Certification reference NF 414 Rev 8 9 42 Heat Pump NF mark During the audit the auditor is entitled to consult the quality management system audit reports of the ISO certifying body In all cases the reduction may be evaluated again if the conditions for its authorisation are no longer met TITLE Quality organisation requirements 4 Quality management system 4 1 General requirements Identify the processes associated with product a to e manufacture their interactions provide resources control and monitoring 4 2 Documentation requirements 4 2 1 General The documentation must include a quality policy a manual several procedures process description and records 4 2 2 Quality Manual Comment The scope of the documentation can differ depending on the size of the company the complexity of the processes described and the competence of people 4 2 3 Document control The NF mark application files must be managed and controlled Should the product be modified the managing body should receive information thereof The standards and this certification standard must be managed 4 2 4 Records Records in paper and or digital format must be kept for Aminimum of 10 years for product files to comply with the requirements of European CE marking an
122. estic hot water production see Part 9 Annex C e gas absorption heat pumps including appliances with a cooling function see Part 9 Annex D e engine driven gas heat pumps including appliances with a cooling function see Part 9 Annex E In the case of heat pumps with separate components the assembly thereof is deemed to be an inseparable system to determine the certified characteristics 1 2 DEFINITIONS 1 2 1 Applicant Holder Corporate Body who manages and is responsible for compliance with all of the requirements defined in the certification rules of the NF Mark 414 Any legal body designated below may request a right to use the NF Mark e The intellectual property owner of heat pumps e The assembler of heat pumps e The distributor of heat pumps The contractual relationships liable to exist between the applicant holder and the various suppliers to whom any of the requirements covering the following stages are subcontracted design manufacture with the exception of product components assembly tests marking and packaging shall be the subject of a contract as specified in Part 8 The latter defines the commitment of the subcontractor s to comply with the requirements of the certification rules pertaining to them 1 2 2 Authorised agent Corporate body or individual established in the E E A who acts as representative of the applicant holder outside the E E A and has a written contractual mandate from the latter meaning t
123. esting and rating of direct exchange ground coupled heat pumps with electrically driven compressors for space heating and or cooling Part 1 Direct exchange to water heat pumps e Standard relating to acoustics tests Part 10 A A 1 A 4 DEFINITION OF SYSTEMS AND RANGES A 4 1 Range A heat pump range comprises products with the same components namely e Same refrigeration process for example number of compressors or stages etc e same refrigerant e same compressor type e same expansion valve type e same evaporator type e same condenser type e same defrost principle 4 way valve or vapour injector e same power regulation principle refrigerant performance management For a split or multi split range the outdoor unit is characterised by the aforementioned components and the indoor units by the following components same condenser type same fan type same expansion valve type if included in the indoor unit same return and discharge section geometries same regulation principle same casing type Same assembly type apron wall wall ceiling etc A 4 2 Group of ranges For technological reasons it can prove necessary to change compressor technology and or liquid refrigerant within a range One or two products may therefore be added A single product that exists with single phase and three phase power supply constitutes two models in the same range In this case it must be possible to distinguish between them by
124. ests for suitability for this function are performed hot and cold starts Test programme The test programme is defined according to the HP type and the seasonal or annual use in the tables below The selection of the number of products to be tested in a range is defined in 3 1 3 2 Conditions for validation of declared values for heating capacities If the declared values comply with the measured values taking the applicable tolerances into account they are validated The applicable tolerances on the declared values are defined as follows e 5 for low water flow HPs AT 5 K e 10 for high water flow HPs AT 2 K If the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix B 4 8 Swimming pool heat pumps Special test conditions For heat pumps with continuous variable capacity control inverter compressor or other type of power variation the manufacturer must provide the laboratory with the corresponding setting procedure for obtaining the declared operating points During the different heating capacity measurement tests the supply voltage frequencies and or speeds are noted for compressors and fans and mentioned in the test report For a heat pump range that can be installed as it is or with optional equipment indoors or outdoors in which the pressure in the discharg
125. et point value Liquid refrigerant 0 3 K temperature the test method has a significant influence on the machine operating stability during testing This value is thus inherent to the machine Therefore it cannot be quantified The heating capacity of the condenser is calculated with the formula Pf cona QM y i any p hon Where qm flow of liquid refrigerant in kg s h ent enthalpy corresponding to the floor inlet pressure in kJ kg h sort enthalpy corresponding to the floor outlet temperature in kJ kg The COP is calculated as follows P COP Joe Pelec Where Pf cond in KW Pelec in kW Certification reference NF 414 Rev 8 Appendix CC 4 4 Heat Pump NF mark Water ground HP tests CC 3 SOUND PERFORMANCE The sound tests are conducted in a reverberant room according to standard NF EN ISO 3741 Determination of sound power levels of noise sources Precision methods for broad band sources in reverberation rooms under the nominal thermal conditions They involve measuring the sound power levels by one third octave bands between 100 and 10 000 Hz as well as the A weighted global sound power level CC 3 1 Operating conditions The tests are only conducted on the heat pump module comprising at least the compressor The test conditions are those described in appendices A and B of this reference standard CC 3 2 Installation and test methods The module is placed i
126. everberant room The condenser is connected to a water circuit with controlled flow rate and temperature The same suction pressure temperature as that obtained at the thermal point is set as well as the same liquid temperature afof Eurovent z CERTIFICATION Certita g Organisme certificateur Body mandated by AFNOR Certification 11 rue Francis de Pressens 48 50 rue de la Victoire 93571 LA PLAINE ST DENIS Cedex 75008 PARIS T l 01 41 62 80 00 Fax 01 49 17 90 00 www marque nf com T l 33 1 75 4471 71 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 10 APPENDIX CC WATER GROUND HP TESTS CONTENTS CC 1 PRODUCT DESCRIPTION CC 2 ENERGY PERFORMANCE CC 3 SOUND PERFORMANCE Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix CC 2 4 Heat Pump NF mark Water ground HP tests Water ground type heat pumps do not fall within the scope of a standard for the determination of heat pump thermal performance This exclusion is related to the test method which is very different from those described in the European standard and applicable for heat pumps using air and water as heat transfer fluids Pending the preparation and publication of a European standard for these special appliances CEN TC113 WG10 work the test protocol below is applied for the certification of ground ground heat pumps with respect to the heat pump NF mark CC 1 PRODUCT DESCRI
127. f requirements as regards market trends The certification rules may be revised partially or in full by EUROVENT CERTITA and in all cases after consultation with the involved parties HISTORY OF MODIFICATIONS 0 01 06 2007 Creation of application of NF mark Hele 1 20 03 2009 Global reference standard revision document Adaptation of the Standard e to swimming pool heat pumps Whole 5 15 06 2010 certitication up to 100 kw document e manufacturing unit monitoring procedure e test bodies e Sound level threshold 2 3 01 04 2011 Addition of anew temperature condition 22_25 C Integration of provisions of 2012 thermal regulations RT 2012 Extension to reversible heat pumps with chilling function Change of NF logo Document revision to permit better readability with Creation of appendices per product category part 9 Whole x 31 01 2012 Appendix A PE LEIE RPS document e Appendix B Swimming pool HPs and appendices for special test methods part 10 e Appendix AA Acoustic tests restatement of 10 2 e Appendix BB Ground ground HP tests restatement of 10 3 3 e Appendix CC Water ground HP tests restatement of 10 4 2 e Appendix DD Outdoor air ground HP tests restatement of 10 4 3 Extension of scope to dual mode heat pumps and gas absorption and engine driven gas heat pumps e Part9 Appendix C specifications for dual mode HPs e Part9 Appendix D specifications for gas absorption HPs W
128. fferent from one version to the next is considered to comprise two ranges Tests shall be performed according to the following cases a The certified features stated in the applications are the same for both versions only the products in the reversible version are submitted for testing b The certified features stated in the applications are different for both versions in this case the products in each version are submitted for testing NB Should both versions have the same commercial references or brands and the same stated certified features only one range is taken into consideration The tests are carried out on the reversible version products of the range Certification reference NF 414 Rev 8 Appendix D 4 16 Heat Pump NF mark Gas absorption HP D 4 TECHNICAL SPECIFICATIONS AND CHARACTERISATION METHODS Principles e The thermal and acoustic performance declarations are verified by specific tests e GUE thresholds are set for certain operating points e Acoustic power thresholds are set for certain HP heating capacity levels e Cold starting is envisaged for certain HP types Operating ranges The operating ranges for each HP are declared by the applicant holder and can be in whole or in part for example an operating point performance matrices given below and taken from RT 2012 as appropriate The matrix lines declared by the applicant holder corresponding to the HP operating points do not necessarily include the line
129. fferent from those described in the European standard and applicable for heat pumps using air and water as heat transfer fluids Pending the preparation and publication of a European standard for these special appliances CEN TC113 WG10 work specific test protocols are applied for the certification of these heat pumps with respect to the heat pump NF mark and are given in e Appendix BB part 10 for ground ground HPs e Appendix CC part 10 for water ground HPs e Appendix DD part 10 for outdoor air ground HPs A 6 6 Tolerances The applicable tolerances on the declared values are defined as follows e 5 on the absorbed powers e 5 for the heating capacities measured for water and the corresponding COP or EER e 5 for heating capacities for air measured in steady state by the room calorimeter method and the corresponding COP or EER e 10 for heating capacities for air measured in transient regime defrosting cycles by the room calorimeter method and the corresponding COP or EER e 10 for heating capacities for air measured by the enthalpy method for air and the corresponding COP or EER 10 for heating capacities and for ground ground air ground and water ground HPs and the corresponding COP or EER 2dB A for acoustic power levels Lw 10 for Pdesignh for water air and ground water 5 for Pdesignn for other heat pumps 8 for SCOP SCOPnet and ns A 6 7 Validation or rerating If the declared values comply with
130. fication reference NF 414 Rev 8 Appendix D 3 16 Heat Pump NF mark Gas absorption HP D 3 DEFINITION OF SYSTEMS AND RANGES A gas absorption heat pump system consists of the following components e a boiler generator a gas burner and the components required to supply the combustion air and discharge the combustion products a refrigeration circuit a condenser an expansion device an evaporator an absorber a solution pump a control system a type of exchanger s if applicable enriched solution depleted solution An absorption heat pump range comprises products with the same components namely same refrigeration process e g GAX type absorption same refrigerant same boiler generator type same expansion valve type same evaporator type same absorber type same solution pump type same condenser type same defrost principle hot gas injection valve same power regulation principle e g burner power modulation same exchanger type enriched solution depleted solution Special case e For a range of appliances offering options incorporated into the heat pump these constitute different ranges if such options have an impact on the certified features of the heat pump In this case the applicant shall complete separate applications for the right to use the NF mark e A heat pump range with reversible heating and cooling and standard versions heating only and for which the commercial references or brands are di
131. g The body must set up and implement inspections or other activities required to ensure that the purchased product meets the specified purchasing requirements 7 5 Production and preparation of service 7 5 1 Control of service preparation and Comment Service product production 7 5 2 Validation of production processes and The processes associated with product manufacture service preparation 7 5 3 Identification and traceability Applicable in full 7 5 5 Product preservation Applicable in full 7 6 Control of monitoring and measuring Applicable in full equipment 8 2 Monitoring and measurement 8 2 2 Internal audit The audit must cover at least compliance with the requirements of this standard 8 2 4 Product monitoring and measurement Applicable in full 8 3 Control of nonconforming product Applicable in full For nonconforming products the NF mark must be withdrawn 8 4 Data analysis Restricted to paragraphs b and d 8 5 Improvement 8 5 2 Corrective action Applicable in full Additional requirement for the NF mark Records of complaints regarding certified products and their processing must be made and kept 8 5 3 Preventive action Applicable in full Certification reference NF 414 Rev 8 11 42 Heat Pump NF mark 2 3 3 Requirement specific to products General The manufacturer must have the necessary resources and means during the inspections and tests to guarantee products conformity The manufacturer must set up a documented i
132. g mode The energy performance in cooling mode meaning the cooling capacity and the EER must be determined under the conditions below There is no defined EER threshold The corresponding EER matrices appear in the below for each HP type The matrix items highlighted in yellow correspond to any pivot points defined in RT 2012 Certification reference NF 414 Rev 8 Appendix A 10 37 Heat Pump NF mark Heating and cooling A 5 3 1 Outdoor air water HP T upstream outdoor air C 5 15 25 35 45 T downstream water C T flow T return 15 6 5 7 12 12 5 17 5 18 23 23 5 28 5 For an upstream temperature of 35 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 35 C test A 5 3 2 Outdoor air recycled air HP T upstream outdoor air C 5 15 25 35 45 T downstream recycled air C 22 27 32 37 A 5 3 3 Extracted air fresh air HP T upstream extracted air C 22 27 32 37 T downstream fresh air C Certification reference NF 414 Rev 8 Appendix A 11 37 Heat Pump NF mark Heating and cooling A 5 3 4 Ground water water HP T upstream ground water C Treturn 5 10 15 20 T flow 15
133. g on the deviations observed and the number of combinations Certification reference NF 414 Rev 8 Appendix B 8 8 Heat Pump NF mark Swimming pool heat pumps B 5 QUALITY CONTROL SPECIFICATIONS The quality control provisions stated in 2 3 of the reference apply for these products In addition for these types of heat pumps and in respect of hydraulic circuit leak tests 2 3 3 2 2 the manufacturer shall perform a leak test at at least 1 3 times the maximum permissible pressure Ps to ensure that there are no leaks documentation control 2 3 3 3 3 the general conditions of sale must show the guarantee against corrosion of 5 years for the swimming pool exchanger and all parts in contact with the swimming pool water This provision must be verified and be subject to a record For swimming pool heat pumps for which the NF mark has been obtained with an additional exchanger the holder shall include in the installation and user manual a copy of the certificate of right of use of the NF mark identifying the exchanger If appropriate the installation and user manual must state that the product is intended for seasonal use f afhof Eurovent 3 CERTIFICATION Certita 4N Organisme certificateur Mia CER Body mandated by 11 rue Francis de Pressens one 93571 LA PLAINE ST DENIS Cedex AFNOR Certification a es on ee 48 50 rue de la Victoire 75009 PARIS Cal C2 C3 C 4 C5 T l 33 1 75 4
134. g to manufacturer recommendations e Filling of tank with cold water at 10 C e Manually shunting of solenoid switch valve to DHW no temperature rise activation e Test condition settings in heating mode e g for Ground water 10 7 C Floor heating water 30 35 C e Measurements and results as per EN 14511 or EN 15879 heating mode Thermal power COP heating e Switching of the solenoid for the DHW mode Measurements and results as per EN 16147 Temperature stabilization time Spare capacity Maximum hot water volume Reference hot water temperature and COPgiobal calculation C 5 3 Characterization methods alternate operation HP C 5 3 1 Tests The HP tests for DHW mode are conducted as per the EN 16147 standard with the following additional instructions Installation The manufacturer must provide all the components of the dual mode HP i e e The heat pump The tank The exchanger if applicable The 3 way heating DHW switching valve The DHW circuit circulation pump Lengths of pipes connecting the various components with their insulation and end connections e An electrical auxiliary for DHW function if applicable The set shall be set up according to the manufacturer s instructions in the climatic chambers suitable for maintaining the environmental conditions defined in the EN 16147 standard The HP shall not be connected to a fictitious heating circuit therefore these connections shall be sealed and the manufacturer must env
135. ghest set point temperature on the appliance test device For open compressor appliances the motor should be provided or specified by the manufacturer The compressor should operate at the running speed specified by the manufacturer For all components controlled by means of an inverter type control system e g fan if the manufacturer gives instructions for setting the frequency for each performance condition the setting s should be applied 6 2 All appliances The test conditions are given in the rules for the NF mark If a heat transfer fluid other than water is used the specific heat and density of the heat transfer fluid should be determined and included in the evaluation 6 3 Ductless appliances For ductless appliances adjustments such as the shutters and fan speed should be set to obtain the maximum flow rate 6 4 Appliances connected to the inside heat exchanger The volume flow rate and the pressure differential should be determined with reference to normal air 20 C 101 325kPa having a density of 1 204kg m with a dry heat exchanger Certification reference NF 414 Rev 8 Appendix EE 19 47 Heat Pump NF mark Gas HP tests If the air flow rate is given by the manufacturer without atmospheric pressure or temperature and humidity conditions it should be considered as that given for normal air conditions The air flow rate evaluated by the manufacturer should be converted to normal air conditions The air flow
136. gle unit outdoor installation Local Outside casing noise Inside no measurement Test equipment reverberant room or intensity method AA 2 1 2 Single unit indoor installation Outside global noise of both air suction and discharge openings Inside noise radiated by the casing Test equipment double reverberant room 3 13 Certification reference NF 414 Rev 8 Appendix AA 4 13 Heat Pump NF mark Acoustic tests AA 2 1 3 Split system Outside noise radiated by the casing of the outdoor unit Inside noise radiated by the casing of the indoor unit Test equipment double reverberant room AA 2 2 WATER RECYCLED AIR HP AA 2 2 1 Single unit outdoor installation Outside noise radiated by the casing Inside global airborne noise in the suction and discharge ducts Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA Heat Pump NF mark Acoustic tests AA 2 2 2 Single unit Indoor installation with duct to outside air amp Local Outside no measurement Inside Airborne noise in the suction duct Airborne noise in the discharge duct Test equipment Double reverberant room AA 2 2 3 Single unit Indoor installation with free discharge Local Outside no measurement Inside noise radiated by the casing Test equipment reverberant room or intensity method 5 13 Certification reference NF 414 Rev 8 Appendix AA 6 13 Hea
137. han 25 Pa the heating capacity measurement tests are conducted in the outdoor free air blowing configuration with a pressure equal to 0 D 4 1 Energy performance in heating mode The energy performance in heating mode meaning the heating capacity the absorbed electrical power and the GUE must be determined under the conditions below GUE thresholds are defined for certain operating points and must be respected The corresponding GUE matrices appear in the below for each HP type with the following conventions e When a GUE value is explicitly mentioned it defines the applicable threshold for the corresponding operating point e The matrix items highlighted in yellow correspond to any pivot points defined in RT 2012 D 4 1 1 Outdoor air water HP The heat pump must be started up to validated the operating range taking an outdoor temperature of 15 C and a mean water temperature provided by the manufacturer The water flow rate used for the test is that corresponding to the first application requested and should preferably be at the pivot point For single unit heat pumps installed indoors or for the indoor unit of split HPs the indoor environment is at ambient temperature The HP must be able to start and operate for 20 minutes Matrix as per RT 2012 T upstream outdoor air C 15 7 2 7 20 T downstream water C 30 35 45 50 60 Certification reference H
138. hat he can act on the applicant s behalf and specifying the applicable context associated missions and responsibilities and financial aspects complaints certifying body contact amongst others in the NF mark certification process according to the provisions of the certification standard The authorised agent may be the distributor or the importer their different functions are clearly identified see Part 8 of the document 1 2 3 Distributor Certification reference NF 414 Rev 8 7 42 Heat Pump NF mark Corporate body distributing the applicant s holder s products who does not act upon the product to modify its conformity to the NF mark requirements The types of distributor may be as follows e Distributors who have no technical intervention on the product and distribute the product under the trademark of the holder this scenario does not give rise to any particular requirements e Distributors who have no technical intervention on the product and distribute the product with a change of trademark In this scenario an application to maintain the right of use must be drawn up as stipulated in Part 8 Distributors who have no technical intervention on the product but request modifications that have no impact on the conformity of the product to the NF mark requirements change in fairing additional functions home automation etc colour etc and distribute it with a change of trademark In this scenario an application to m
139. heat recovery capacity QEhr is given by formula no 2 see 3 3 Table 4 shows the calculation formulas for Qenr according to the type of appliance Rooliates Electrical component for recovery Effective heat recovery PE exchanger heat transfer fluid capacity Qenr yP circulation A recovery circuit pump is integrated in Q pn Cues Pop Cpr All appliance the appliance types A recovery circuit pump is not Qu Cea Poy Cy integrated in the appliance Table 4 Qer calculation 3 6 Cooling capacity Qs effective cooling capacity Qer The procedure for calculating the heating and effective heating capacities should be applied to the cooling and effective cooling capacities respectively of reversible HPs in the case of operation in cooling mode 3 7 Gas heat input in heating mode Qomh The gas heat input under the test conditions should be determined using one of the following formulas Mhi Hm Qemh 278 E amp E 4 n or X Vh Hvn Qemh 278 5 n where j is the sample number n is the number of samples during the data acquisition period Qgmh is the heat input measured in heating mode in Watts Him is the net calorific value by mass of the test gas for the sample in question in Megajoules per kilogram Mh is the gas mass flow rate in heating mode for the sample in question in kilograms per hour Certification reference NF 414 Rev 8 Appendix EE 12 47 Heat
140. hole 5 20 08 2012 e Part9 Appendix E specifications for engine driven gas HPs document e Part 10 Appendix EE Test methods for gas HPs Transfer of type 2 data sheets to technical specification appendices Addition of test laboratory AIT for thermal testing 5 3 Addition of seat for manufacturer panel on committee 5 5 Edited details Whole 6 23 10 2012 Appendix D D 4 1 1 Modification of the downstream temperatures on RT 2012 document matrix Whole Quality integration of provisions to meet requirements of the standard NF EN ISO CEI 17065 following the d ts AFNOR CERTI A 02230v4 document 7 30 06 2014 crowing Me documents y Editorial Update of the trading name of the certified body and the mark Annex C Technical Adding of simulation of performances of dual mode heat pumps Editorial reorganisation of paragraphs adding of the introduction slight simplification of some paragraphs for a better readability Processes redrawn Part 6 renumbered and partially reformulated Part 8 simplified certification file in one hard copy Technical adding of seasonal performances for HP on heating mode optional Body of the document 8 18 09 2014 Annex A Certification reference NF 414 Rev 8 5 42 Heat Pump NF mark INTRODUCTION The NF mark property of AFNOR created in 1938 is a voluntary label which complies with French European and international standards
141. i in Wh 24 1 K For a Qpr in Wh 24h with a At of 45 C Certification reference NF 414 Rev 8 Appendix C 11 23 Heat Pump NF mark Dual mode The spare capacity Pes 2 T x exp 0 225 x n 1 x P co D P n 1 er n With e n number of the operating cycle of the HP during phase P2 e ro 175 nounit e Pes ce heat losses of the storage tank in steady speed data given by the following formula where fe is the part of the heat surface of the tank 16x0 001x V P 1 1 a x Po 00 fo x with f xD COPyrs 24 16x0 001x V zxD and with the COPpes the COP interpolate with the temperature of the storage tank Tcuve lowered of half the value of the hysteresis Tvsr If the first simulated cycle lasts more 48 hours P Po 1 Psp If there are several simulated cycles during 48 hours the cycle n which does not exceed 48h is taken into consideration Fe Pa n Psp Note the user has to give the number of cycles but during the comparison model experience the value n 2 gave good results in all the cases handled this value will be the default value Coefficient of performance in DHW production mode COPpnw E COP pnw COP rap X TAP Exp E 0 024 x COP X Psp With COPrap COP of the heat pump during the drawing cycle considered equal to o 0 5 x COP 40 45 COP 47 55 for XL cycles o COP 47 55 ou COP Tcmax 5 C Tcmax for L cycles an
142. ication shall be presented in accordance with the conditions and templates included in Part 8 The stages described in 3 2 and 3 3 are applicable The audit can be adapted or combined with a monitoring audit 3 5 CASE OF AN APPLICATION FOR EXTENSION The application shall be presented in accordance with the conditions and templates included in Part 8 The stages described in paragraph 3 2 will be applicable subject to the following specific features For dual mode heat pumps the test programme and the number of products to be tested are defined in Appendix C C 4 For other product categories e In the case of a request for extension for a certified range of products that is modified the tests defined will depend on the envisaged modification The number of products to be tested is defined as follows 1 From 1to5 gt 6 2 e for extension applications for the addition of products to a certified range having the same components as defined in 3 1 1 the number of products to be tested is determined by adding the added products to those already certified The number of products to be tested is defined as follows From 2 to 5 0 From 6 to 10 1 From 10 to 15 2 215 2 up to 15 then 1 additional reference per step of 5 Certification reference NF 414 Rev 8 20 42 Heat Pump NF mark e for an application for extension corresponding to the addition of an application new matrix line
143. ient mode Annexe C provides a flow chart of the procedure and a graphic representation of most of the various possible test sequences for conducting a heating capacity test Certification reference NF 414 Rev 8 Appendix EE 23 47 Heat Pump NF mark Gas HP tests 6 7 2 Warm up period The test room warm up apparatus and the heat pump under test should run until the the test tolerances specified in Table 7 are maintained for at least 10 min A warm up period may end with a defrosting cycle If a warm up period ends with a defrosting cycle the heat pump should run in heating mode for at least 10 min after the end of defrosting before starting the stabilisation period 6 7 3 Stabilisation period The stabilisation period immediately follows the warm up period or the defrosting cycle and the 10 min recovery period after the warm up period A full stabilisation period lasts for one hour Other than in the case of the specifications in 6 7 7 the heat pump should operate in accordance with the test tolerances specified in Table 7 Certification reference NF 414 Rev 8 Appendix EE 24 47 Heat Pump NF mark Gas HP tests 6 7 4 Data acquisition period The data acquisition period immediately follows the stabilisation period Data should be recorded at regular intervals of 30 s or less except during the defrosting cycles as specified below During defrosting cycles and for the 10 min following defrosting some data used to eval
144. iesscheas a S 22 6 6 3 GUE caleulationiss 2 cc 2 chat ETN E Contato sages ta Site nb dena aaa ceeded 22 6 7 Heating capacity measurement for air air appliances using the enthalpy method and air liquid ApblianC es ssh LES ES A EE RE Re th A TR em ee oi Res tt attack eae 22 Goel HGOMmelal cate ities E AAE ET LO Saat Ven tas nr 22 6 7 2 Wearim Up PeniOd an isa Re contin tn tonte Peer E 23 6 7 3 Stabilisation p riode RARE ANR Man a TN ee 23 6 7 4 Data acquisition periodie gt Accidente A N ER EU tue te on 24 6 7 5 Test procedure if the warm up period ends with a defrosting cycle sssss111100 24 6 7 6 Test procedure if the warm up period does not end with a defrosting cycle 25 6 7 7 Transient mode test procedure 0 0 ececcccccccccceccecsnsseaeeeceeeceecetseaeeeeeeceneeteeateeeeecenes 25 6 7 80 JGUE calCUlatioM ras farine Sale ea ei et a eee 27 6 8 Heating capacity measurement for air air appliances using the room calorimeter method27 Gieil G n ral hsssisn sms ia an tt dati tentent rettes 27 6 8 2 Sta LOI LT SE LATG IRN SLSIR 0 10 D D E 27 6 8 3 Dataacquisition periode st Ai us SR te Rs as 27 6 8 4 General test procedures sinon Min Bole miettes cafe dios ieee 28 6 8 5 Transient mode test procedure 28 6 9 Measurement in cooling mode 29 6 9 1 Stabilised mode conditions and setting 29 6 9 2 Cooling capacity gas heat input and absorbed electrical power measurement in COOlIAE MORE ia mn dan dite
145. ifferential Pa volume flow rate m3 s condensate flow rate kg s Water or glycol water inlet temperature C outlet temperature C volume flow rate circulation pump speed setting if applicable pressure differential m s or kg s kPa Table 9 Data to be recorded for tests using the enthalpy method 1 2 31 47 Certification reference NF 414 Rev 8 Appendix EE 32 47 Heat Pump NF mark Gas HP tests Result quantities measured Unit Indoor heat exchanger Air inlet dry bulb temperature 2G inlet wet bulb temperature AC For ducted appliances outlet dry bulb temperature C outlet wet bulb temperature C external internal static pressure differential Pa volume flow rate m3 s condensate flow rate kg s Water or glycol water inlet temperature C outlet temperature C volume flow rate or mass flow rate m s or kg s circulation pump speed setting if applicable pressure differential kPa Heat recovery exchanger inlet temperature outlet temperature nG volume flow rate C circulation pump speed setting if applicable m s or kg s pressure differential kPa Heat transfer fluid other than water concentration volume density kg m specific heat J kg K Defrosting defrosting period s operating cycle with defrosting s Data acquisition period s Capacities heating capacity Px W effective heating c
146. ified products The holder must only use the NF logo to distinguish certified products without risk of any possible confusion with other products particularly with non certified products The NF mark is shown by the monogram NF in compliance with the model below English and French version TITA C 9 N ow HEAT PUMPS www marque nf com POMPE A CHALEUR Referring to www certita org and type of heat pump i e heating pool can be mentioned below the logo on two lines maximum based in compliance with the NF graphic design charter www marque nf com The graphic tools for the logo are available from EUROVENT CERTITA The NF mark graphic design charter is also available from AFNOR Certification on request Certification reference NF 414 Rev 8 14 42 Heat Pump NF mark 2 4 3 Marking process This paragraph describes both the process for affixing the NF logo and the marking of the certified features and or characteristics A certified feature is any information for which the content is controlled under the NF mark scheme Any reproduction of the NF logo shall be made in compliance with the graphic design charter 2 4 3 1 Marking the certified product The NF logo shall be permanently and indelibly affixed to the thermodynamic device for which the right to use the NF Heat Pump mark has been granted The marking of the product shall comply with the logo mentioned in 2 4 2 For splits the NF logo shall
147. in the European Economic Area pour Repr sentation gt after the handwritten words Bon pour acceptation de la repr sentation gt Certification reference NF 414 Rev 8 36 42 Heat Pump NF mark STANDARD LETTER 3A APPLICATION FOR MAINTENANCE OF THE RIGHT TO USE THE NF MARK HOLDER AUTHORISATION Heat Pump NF MARK To be drawn up on the holder s headed paper Monsieur le Directeur G n ral d EUROVENT CERTITA NF 414 Client Manager 48 50 rue de la Victoire 75009 PARIS FRANCE RE Heat Pump NF mark Application for maintenance of the right to use the NF mark Dear Sir am writing to apply for the maintenance to use the NF Mark on products which differ from the products approved for the mark only by their references and trademark they bear and some adjustments which do not modify their features in any way For the following new trademark sien Identification of the NF mark admitted Trade name requested by distributor beneficiary product The term Trade name refers to any distinctive sign permitting accurate identification both of the distributor and the product Certifi Name and JEEE of the Trade name Trade name of the range HP ref model ate no manufacturer s product XXX lt OPTION gt The details of the company which is going to distribute these products under the aforementioned trademark are as follows ACESS pact E E AE AE A EAE AAE OE A EE Please find attached a copy of the Commitm
148. ing to standard sheet 3 In case of subcontracting as defined in 1 2 in case of an admission or extension application 1 in case of an admission or extension application Commitment sheet according to standard sheet 4 in case of authorised agent as defined in 1 2 2 1 Declaration of product conformity to the European directives and regulations which are applicable according to standard sheet 5 1 in case of an admission or extension application Wiring diagram in case of an admission or extension application 1 Specification plate in original or copy format which must features the NF logo marking draft For splits and multisplits that of the outdoor and indoor units 1 in case of an admission or extension application Installation and user s manual in French 1 Distributor s commercial documentation 1 in case of a maintenance application Technical data sheet according to standard sheet 2 1 in case of an admission or extension application Test reports original in Franech and or English Note Each test report is preferably accompanied by a synthesis examination report x 1 report for every 5 models of the range cf 3 2 3 2 8 2 SHEETS AND LETTERS MODELS Certification reference NF 414 Rev 8 34 42 Heat Pump NF mark STANDARD LETTER 1 APPLICATION FOR THE RIGHT TO USE THE NF MARK or SUBSEQUENT ADMISSION APPLICATION Heat Pump NF MARK To be drawn up on the applicant s headed paper Monsieur le Directeur G n ral d EUROVENT
149. ional Consumer Council dated of December 17 2007 The right to use the NF mark is granted on the basis of the conformity of one or several standards and more generally of the entire certification rules for a product coming from an applicant and a given manufacturing and or conception and or process Applicants holders and its distributors are each responsible for the right to use the mark regarding the product concerned The applicant holder shall implement all necessary means to guarantee permanently the product conformity to this certification rules even its potential evolution Certification reference NF 414 Rev 8 6 42 Heat Pump NF mark Part 1 Scope 1 1 SCOPE These certification rules cover heat pumps with heating capacity less than or equal to 100 kW However for the case where the same product is able to work with either glycol water water or water water the 100 kW limit capacity is applicable to the lowest power The products covered by the certification are heat pumps HP belonging to the following categories e electrically driven heat pumps for space heating including appliances with a cooling functions see Part 9 Annex A e electrically driven heat pumps used for heating swimming pools water for seasonal and or year round use installed outdoors or inside a building see Part 9 Annex B e electrically driven heat pumps covering both above uses e dual mode heat pumps i e designed for space heating and dom
150. is product under evaluation LRcontmin A heating capacity test at this load ratio is performed to verify the continuous operation of the HP no cycling and record the following performance values e The heating capacity so obtained is compared to the heating capacity obtained at the same operating point pivot point of the matrix if declared and LRcontmin is calculated If the difference between the calculated value and the value of LRcontmin declared by the manufacturer is less than 10 of the declared value the value of LRcontmin is then validated e if the value of LRcontmin is validated the GUE at LReontmin is measured and validated the CcPpircontmin iS then calculated and validated Note LRcontmnis defined relative to the declared heating capacity at full load at the same operating points CCPLRcontmin corresponds to the ratio of GUE at LRcontmin and GUE at full load at the same operating temperatures D 4 5 Share of electrical power for the auxiliaries The share of the electrical power for the auxiliaries in the total electrical power Ratio is the ratio between these two powers The electrical power of the auxiliaries is measured as per 6 4 2 2 of Pr EN 12309 4 D 5 QUALITY CONTROL SPECIFICATIONS The quality control provisions stated in 2 3 of the reference apply for these products In addition for these types of heat pumps and for the hydraulic circuit leak tests 2 3 3 2 2 the manufacturer must conduct a leak test
151. isage an operating procedure for the HP under these specific conditions Such a procedure may consist of set a water set point temperature on the floor such that the heating cooling mode is not activated Certification reference NF 414 Rev 8 Appendix C 8 23 Heat Pump NF mark Dual mode Instrumentation The intermediate water circuit s between the HP and the exchanger and or the tank include s no temperature or water flow rate instrumentation Commissioning and tests To be able to control the DHW test bench handling the test sequence retrieval of a binary signal e g 0 10C from the tank DHW request is necessary The manufacturer should provide the laboratory with the option of retrieving this signal C 5 3 2 Simulation Limit of the simulation tool Considering that validations were made on the simulation tool e Dual mode HPs which require starting its auxiliary in order to reach its performance cannot be simulated e Simulation of performances are determinate apart from off peak option e Tanks which can be simulated have volumes between 150 and 400 in volume water stored e For each model of simulated dual mode HP the exchanger must have a minimal area function of the heating power available for DHW of 0 25 m kW for coil type exchanger and 0 025 m2 kW for plates types exchanger Certification reference NF 414 Rev 8 Appendix C 9 23 Heat Pump NF mark Dual mode Input data of simulation Figure C
152. ithdrawal of the right to use the mark for these products Certification reference NF 414 Rev 8 25 42 Heat Pump NF mark Part 5 INVOLVED BODIES The bodies involved in the procedure to grant the right to use the mark and to monitor the certified products are specified below Controls are realised by recognised audit bodies or European laboratories bound with EUROVENT CERTITA by an outsourcing contract After approval by the special committee and with agreement by AFNOR certification controls can be carried out by other organisms than the ones listed below 5 1 MANDATED BODY In accordance with the General Rules of the NF mark AFNOR Certification entrusts the different tasks required to manage the Heat Pump NF Mark to the following body called the mandated body M B EUROVENT CERTITA 48 50 rue de la Victoire F 75009 PARIS T 33175447171 Website www certita org Email certita certita fr 5 2 AUDIT BODY The audit functions for the manufacturing unit and possibly for the sites of use are carried out by the following body called the audit body EUROVENT CERTITA 48 50 rue de la Victoire F 75009 PARIS T 33175447171 Website www certita org Email certita certita fr LNE 1 rue Gaston Boissier F 75724 PARIS CEDEX 15 amp 33 1 4043 3700 33 1 40 43 37 37 Website www Ilne fr Email info lne fr The auditors are entitled to inspect the applicant s or holder s facilities in order to pe
153. ity management system For product marking Part 7 What are the costs Applicable rates Terms of payment Part 3 How is certification obtained Part 6 Applicant s laboratories How to obtain NF authorisation Accredited amp non accredited laboratories Application file Admission audit Acceptance process Part 5 Which bodies are involved Part 4 After certification Surveillance Eternal changes and modifications certification body authorised body auditors test laboratories special Committee This version of the certification standard was approved by the President of AFNOR Certification on September 10 2014 This standard in accordance with the French Consumer Code includes e the General Rules for the NF mark setting out the general organisation and terms of use of the mark e these certification rules describing the technical specifications to be applied standards and additional specifications if applicable and the procedure for checking compliance with these specifications It cancels and replaces any previous versions Certification reference NF 414 Rev 8 4 42 Heat Pump NF mark Along with the holders users and technical experts representatives EUROVENT CERTITA undertakes to ensure the relevance of this standard in terms of the certification process and of the definitions o
154. k must be carefully checked for resumption of tightness On the hydraulic circuit On the refrigeration circuit The manufacturer must carry out a leak test of the refrigeration circuit at the operating pressure of the heat pump Several techniques can be used for this test depending on the production conditions For example pressurisation with an inert gas or other similar methods The test method used to detect the leaks must have the same sensitivity as the bubble test described in standard EN 1779 Standard ISO 5149 2 can also be used The relevance of the method used must be proven by the manufacturer 2 3 3 5 Load in liquid refrigerant on the factory packaged unit 100 inspection The methods used to get the vacuum in the refrigeration circuit before loading the liquid refrigerant must allow the residual pressure of air to drop and be monitored at less than 10 kPa 107 bar The conditions in which the liquid refrigerant is stored and the amount of liquid refrigerant injected in the refrigeration circuit must be controlled and managed In the event of a defect being observed the proper operation of all the refrigerated circuits previously made since the last check must be carefully checked for reload 2 3 3 6 Tightness of a refrigeration circuit for installation filled on the site where used 100 inspection Certification reference NF 414 Rev 8 12 42 Heat Pump NF mark In the event where the filling is performed at the
155. l water HP Matrix as per RT 2012 T gt T upstream glycol water C 2 5 12 5 22 5 32 5 42 5 T downstream water or glycol water C 4 9 5 15 20 5 26 Table of test conditions as per Pr EN 12309 3 T return T flow T upstream glycol water C 30 35 T downstream water or glycol water C T flow T return 5 0 7 12 18 23 9 16 Certification reference NF 414 Rev 8 Appendix D 10 16 Heat Pump NF mark Gas absorption HP D 4 3 Acoustic power level Sound power levels shall be determined under the conditions set out in Appendix AA Part 10 of this certification standard Outside the building they must comply with the following thresholds Heating capacity in kW Sound power in dB A 0 Apower lt 10 lt 70 10 Elpower lt 20 lt 73 20 Plpower lt 50 lt 78 50 power lt 100 No threshold defined If the measured sound power level of a product exceeds the declared level for the product by more than 2 dB A all the range values must be changed on the basis of the deviation observed on the tested product between the declared sound power value and the test report result D 4 4 Special characteristics of variable power regulation HPs The manufacturer shall send the means to obtain the minimum continuous operation load ratio from h
156. lation in cooling mode The data acquisition period is divided into four 10 min periods One GUE value is calculated for each period The fluctuations of the four GUE values should not exceed a 1 5 standard deviation and these individual variations should not exceed 3 7 Test results 7 1 Data to be recorded The data to be recorded for performance tests are specified in Tables 9 to 12 The tables identify the general information required but are not intended to limit the data to be obtained These data should be the mean values measured for the data acquisition period except for the time measurement Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests Result quantities measured Unit Ambient conditions air dry bulb temperature C atmospheric pressure mbar Gas related quantities gas flow rate gas pressure absolute or relative gas temperature gas net calorific value gas density or Wobbe index m h or kg h mbar G MJ m or MJ kg kg m or kg m kg m MJ m or MJ kg Electrical quantities voltage V total current A total electric power Pr W effective electric power Pe W Thermodynamic quantities Outdoor heat exchanger Air inlet dry bulb temperature C inlet wet bulb temperature C For ducted appliances outlet dry bulb temperature C outlet wet bulb temperature C external internal static pressure d
157. lerance Examples Tested Non tested Tested Non tested Tested Non tested machine machine machine machine machine machine Performance th COPoHw Pes Declared 1h00 2h00 2 50 2 20 10 12 Measured 1h30 2 00 8 Deviation 30 minutes 0 50 2 Certified Declared deviation tolerance Declared x 1 deviation tolerance 1h10 2h10 2 25 1 98 9 10 8 C 5 4 2 Simulation The applicable tolerances until the end of 2015 to declared values as part of simulation are defined as follows e 30 min for temperature stabilization times th e 15 for spare capacities Pes e 15 for performance coefficients in DHW production mode COPonw and COPaoba for a given tapping cycle 2 K for reference hot water temperatures 0 wu 15 for maximum effective hot water volumes according to Vmax Analysis of the results must allow a revision of theses tolerances On the test machine each performance is simulated For all simulated performance higher than the tests results the corresponding certified performance of all models of all ranges of the dual mode HP to consider is the simulated performance reduced to the deviation observed on this performance corrected by the tolerance Otherwise the certified performances are the simulated performance Certification reference NF 414 Rev 8 Appendix C 15 23 Heat Pump NF mark Dual mode C 5 5 Performances thresholds Furthermore the followi
158. les to be simulated Certification reference NF 414 Rev 8 Appendix C 10 23 Heat Pump NF mark Dual mode Moreover a test report made by an independent laboratory accredited ISO 17025 must justified the following data e Ratio of the static heat loss of the storage tank in compliance with the standard NF EN 15332 Qpr in Wh per 24h for a difference of temperature of 45 C Note In the standard Qpr is also known as Q To finish the following data have to be certified in heating mode for each model of the range of heating HP e Standby power Psp in W e Characteristics at operating point of the upstream temperature corresponding to the requirement of the standard NF EN 16147 i e 7 C for outdoor air water and at the following downstream temperatu res o 30 35 C o 40 45 C o 47_55 C if the maximal adjusted temperature Tcmax is higher or equal to 55 C e At Tcmax with a At de 5K if the maximal adjusted temperature is lower than 55 C i e 49 54 C Simulated performances Temperature stabilisation time th 10 uve Um xf42XV 4 25 x Ma Men BX0 38 xM ge x Te j 3600 x P ur 0 5 x 0 001 XP With e Pour in kW the average of certified heating capacities at 30 35 and 40 45 e Pp in W necessary heating capacity to compensate the static heat losses of the storage tank here 20 is the room temperature _ Va X Ka X Tone 9 5 XT P 24 20 Hyst P With a steady cool rate Ka
159. liquid refrigerant condensation pressure is measured at the compressor discharge and downstream of the crown outlet collector Should the machine not present any pressure tapping at these points the condensation pressure will be measured at the flow meter placed by the CETIAT upstream of the crown inlet collector This value will also be referred to as the floor outlet pressure measurement and the loss of load of the condenser crowns will therefore be overlooked The liquid refrigerant temperatures are measured upstream of the crown inlet collector floor inlet and downstream of the crown collector floor outlet with consideration of the heating capacity transmitted in the floor only The manufacturer s qualified personnel connect the condenser crowns to the module s and load with liquid refrigerant Certification reference NF 414 Rev 8 Appendix DD 3 4 Heat Pump NF mark Outdoor air ground heat pumps tests The following quantities are measured during the test e compressor suction pressures and floor collector inlet and outlet pressures if available otherwise see above compressor suction temperatures floor collector inlet and outlet temperatures liquid refrigerant flow incoming dry and wet temperatures of the evaporator on the air rotation speed of the fan s electrical power absorbed liquid refrigerant load and type of liquid The tolerances admitted on the condensation temperatures are given in the table b
160. luation request for test comparison to the independent laboratory EUROVENT CERTITA e records the application and verifies that it is complete processes the application e informs the independent mark laboratory that has been selected e issues the corresponding invoice to the manufacturer Mark laboratory conducts the inter comparison test draws up the corresponding test report submits the report to CERTITA and to the manufacturer issues the corresponding invoice to the manufacturer examines the whole file inter comparison test results etc makes a decision based on the results notifies its decision to the manufacturer submitting a copy to the laboratory of the mark in question The certificate specifies the NF authorisation scope applicable documents complete or partial tests Examines the renewal procedure according to the provisions of Part 6 Certification reference Heat Pump NF mark NF 414 Rev 8 30 42 6 6 PROCEDURE FOR TESTS CARRIED OUT BY AN AUTHORISED NF LABORATORY ACCORDING TO ITS AUTHORISATION SCOPE Applicant Holder EUROVENT CERTITA Mark laboratory In case of an application e sends EUROVENT CERTITA an application file following 83 2 3 4 or 3 5 In case of an application or a follow up e informs EUROVENT CERTITA of the chosen authorised NF laboratory for the device concerned e with a view to conducting the examination sends the m
161. mbursed even if the right of use is not granted or extended The costs concerning the annual follow up services and the right of use are issued once a year at the beginning of the year All applications to surrender the right to use the NF mark shall reach EUROVENT CERTITA by 31 December of the current year at the latest so that the range of heat pumps is not taken into account in the following year These costs remain payable in the event of non renewal cancellation or suspension of the right of use during the year EUROVENT CERTITA is in charge of transferring the share due to AFNOR CERTIFICATION The applicant or the holder of the usage right must pay all the expenses in the following prescribed conditions any failure on their part is in fact an obstacle to the exercise by EUROVENT CERTITA of the inspection and intervention responsibilities that are incumbent on it under the present regulations In cases where an initial formal notice by registered letter with acknowledgment of receipt does not result in full payment of all sums due within one month any penalty provided for in the general rules of the NF mark may be taken for all of the holder s admitted products 7 3 RATES The costs are subject to a rates list distributed by EUROVENT CERTITA on request at the beginning of each year Certification reference NF 414 Rev 8 33 42 Heat Pump NF mark Part 8 CERTIFICATION FILES The application for the right to use the NF Mark must be d
162. mode COPoxw 1 98 1 63 2 14 1 97 Reference hot water temperature C 8 wx 53 13 52 93 54 02 Maximum effective hot water volume liter Vmax 249 8 250 0 378 0 Temporary checking data Cooling constant Wh 24h I k Kr 0 388 0 388 0 204 Power of static losses W Pp 105 1 105 1 79 1 Fraction of hot area of the tank fe 0 716 0 701 0 705 Drawn volume V1 liter V1 142 5 142 5 213 8 Drawn volume V2 liter V2 35 1 35 3 48 8 Delta of temperature C t 0 93 0 74 0 84 Certification reference NF 414 Rev 8 Appendix C 14 23 Heat Pump NF mark Dual mode C 5 4 Conditions for validation of declared values C 5 4 1 Tests The applicable tolerances on the declared values are defined as follows e 20 min for temperature stabilization times th e 10 for spare capacities Pes e 10 for performance coefficients in DHW production mode COPpouw and COPaobal for a given tapping cycle e 1K for reference hot water temperatures 0 wu e 10 for maximum effective hot water volumes according to Vmax If the declared values comply with the measured values taking the applicable tolerances into account they are validated For the tested machines if the declared values do not comply with the measured values they are reset to the measured values corrected by the applicable tolerance see example below We apply the declared values of the others models of the range the observed deviation corrected by the applicable to
163. must be declared in particular If internal inspection of a certified product is temporarily suspended the holder must cease NF marking immediately EUROVENT CERTITA then notifies a decision to suspend the right to use the NF mark for a specific period If the right of use cannot be reinstated at the end of this period it will be withdrawn 4 4 4 Modification concerning the NF certified product Any modification of the certified product with respect to the application file the accepted model or the rules defined in the certification reference standard which is likely to have an impact on product conformity to the requirements of these certification rules must be subject to a written declaration to EUROVENT CERTITA EUROVENT CERTITA determines whether this constitutes an application to extend the certification 4 4 5 Temporary or definitive cessation of production Any definitive or temporary cessation of production of an NF certified product or any abandonment of the right to use the NF mark shall be declared in writing to EUROVENT CERTITA specifying the period of time required to use up the stock of NF marked products The suspension or withdrawal of the right to use the NF mark shall be notified by EUROVENT CERTITA Any temporary cessation of production of a range of NF certified products deemed to last for too long by EUROVENT CERTITA possibly after consulting the Special Committee may after an investigation lead to the suspension or w
164. n HP starting point must be carried out to validate the operating range To enable the laboratory to conduct the test we ask that you specify below the maximum water temperature for an outdoor temperature of 15 C This value will be restated on the NF mark admission decision for the range Maximum water temperature C Specific information about swimming pool HPs to be completed if covered by the application Water flow in the swimming pool exchanger tick the relevant box Low flow temperature condition 26 31 C AT 5 K High flow temperature condition 26 28 C AT 2 K Pye v Use requested for Air Swimming pool water type HPs tick the relevant box Seasonal use 2 test conditions 7 C and 15 C Air Year round use 3 test conditions 2 C 7 C and 15 C Air Bis Certification reference NF 414 Rev 8 Appendix A 24 37 Heat Pump NF mark Heating and cooling 4 MAIN COMPONENTS OF THE HEAT PUMP HP no 1 HP no 2 HP no Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Circuit no 1 Circuit no 2 Reference model Liquid refrigerant Type Load kg Compressor Type Piston Scroll etc Trade name Model Number Phase shift condenser Specifications Expansion device Type Manufacturer Model Liquid receiver Volume in Certification referenc
165. n a reverberant room The condenser crowns are replaced by a water exchanger placed in a second adjacent reverberant room and connected to a water loop with set temperature and flow The same floor inlet and outlet pressures temperatures are therefore set as those obtained during the thermal test The evaporator is connected to a water circuit with controlled temperature and flow to set the test conditions afhof Eurovent 2 Certita CERTIFICATION lt Organisme certificateur Body mandated by 11 rue Francis de Pressens AFNOR Certification 93571 LA PLAINE ST DENIS Cedex is T l 01 41 62 80 00 Fax 01 49 17 90 00 48 50 rue de la Victoire www marque nf com 75009 PARIS T l 33 1 75 44 71 71 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 10 APPENDIX DD OUTDOOR AIR GROUND HEAT PUMP TESTS CONTENTS DD 1 PRODUCT DESCRIPTION DD 2 ENERGY PERFORMANCE DD 3 SOUND PERFORMANCE Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix DD 2 4 Heat Pump NF mark Outdoor air ground heat pumps tests Water ground type heat pumps do not fall within the scope of a standard for the determination of heat pump thermal performance This exclusion is related to the test method which is very different from those described in the European standard and applicable for heat pumps using air and water as heat transfer fluids Pending the preparation and publication
166. n of the number of downstream temperatures declared e For air water HPs 3 tests for a declared line and 1 test per additional line e For other HP types 2 tests for a declared line and 1 test per additional line Note 1 when an applicant declares a number of operating points less than or equal to the number of tests to be performed the number of tests to be performed is equal to the number of points declared the applicant can for example request 1 operating point for certification 1 test will be performed at the declared operating point If appropriate the individual characteristics of variable power regulation HPs are determined at 1 operating point at the pivot point conditions if declared If appropriate the share of electrical power for auxiliaries is determined at 1 operating point at the pivot point conditions if declared Certification reference NF 414 Rev 8 Appendix D 5 16 Heat Pump NF mark Gas absorption HP Conditions for validation of declared values for heating capacities If the declared values comply with the measured values taking the applicable tolerances into account they are validated The applicable tolerances on the declared values are defined as follows e max 5 20 5 AT for heating capacities measured for water and the corresponding GUE e 5 for heating capacities for air measured in steady state by the room calorimeter method and the corresponding GUE e 10 for heating capacities for air m
167. n values Free air inlet temperature measurements require the following at least one sensor per square metre with at least four measurement points restricting the number of sensors distributed evenly on the air surface to 20 or the use of a sampling device It should be supplemented with four sensors to check uniformity if the surface area is greater than 1 m The air temperature sensors should be positioned at a maximum distance of 0 25 m from the free air surface e g 25 cm from the outside exchanger in the case of a ductless Air liquid HP NOTEZ It should be noted that for appliances using a liquid as the inside heat transfer fluid a temperature measurement should be made at the water meter Certification reference NF 414 Rev 8 Appendix EE 17 47 Heat Pump NF mark Gas HP tests 5 MEASUREMENT UNCERTAINTIES The measurement uncertainties should not exceed the values specified in Table 5 Quantity measured Measurement uncertainty Liquid water or glycol water inlet outlet temperature temperature differential flow rate volume or mass m s or kg s static pressure differential Air dry bulb temperature 0 2K wet bulb temperature 0 4K flow rate volume 5 Static pressure differential 5 Pa p lt 100 Pa or 5 p gt 100 Pa Concentration heat transfer fluid Heat input atmospheric pressure mbar 5 mbar gas pressure mbar 2 full scale without exceeding 0 5 mbar 1
168. nd HP single unit a ss C Outdoor air Water HP single unit ductless outdoor installation ducted indoor installation Ground water Ground HP split L C Outdoor air Water HP split Water circuit Recycled air HP E ductless outdoor installation F ductless L ducted indoor installation E ducted Outdoor air Ground HP single unit C ductless outdoor installation C ducted indoor installation Outdoor air Ground HP split Ground Ground HP outdoor installation eS indoor installation C Ground Water HP C outdoor installation C indoor installation Certification reference NF 414 Rev 8 Appendix A 22 37 Heat Pump NF mark Heating and cooling 3 INFORMATION ON THE HEAT PUMP AND OR ITS VARIOUS SEPARATE COMPONENTS v HP installation site tick the relevant box LI Outdoors O Indoors Note for splits and multi splits the components are considered to be separate by definition One part outdoors and the other part indoors Please specify the location if this is not the case vY Defrosting principle v Regulation principle Y Setting condition of the HP for the requested applications for Inverter Expansion valve Defrost Other if applicable Do settings require work by the applicant LI YES LINO Y Variable power regulation HPs if applicable description of means for obtaining the minimum continuous operation load ratio LReontmin y Acoustic if applicable
169. nd make claims non conformities remarks and unevenness related to the requirements of the certification available to the certification body lt OPTION for applicants holders out of the European Economic Area Furthermore authorise the company corporate name company status registered offices represented by Mr Mrs Miss name of the representative acting as role to be my agent in the European Economic Area for any question referring to the use of the Heat pump NF Mark undertake to inform EUROVENT CERTITA immediately of any change in the aforementioned representative For such purposes ask that the fees incumbent on me be invoiced directly to him her S he will directly pay them on my behalf upon receiving the invoices as s he so undertakes when accepting to be my representative gt Yours faithfully Date and signature of the official representative of applicant lt OPTION Date and signature of the official representative after the handwritten words Bon pour Repr sentation gt lt OPTION gt Date and signature of the Representative in the European Economic Area lt after the handwritten words Bon pour acceptation de la repr sentation gt Certification reference NF 414 Rev 8 35 42 Heat Pump NF mark RE STANDARD LETTER 2 APPLICATION FOR EXTENSION OF THE RIGHT TO USE THE NF MARK Heat Pump NF MARK To be drawn up on the holder s headed paper Monsieur le Directeur G n ral d EUROVENT CE
170. ndard The registration fees are paid by the company during an initial application for the right to use the NF mark Payment of these services will not be reimbursed even if the right to use the NF mark is not granted or if the application is abandoned during processing Processing of the certification Services associated with application files with examining relations with This service is invoiced as soon as the application is received It is charged at a application applicants laboratories auditors or the flat rate assessment of inspection results Payment of these services will not be reimbursed even if the right to use the NF mark is not granted or if the application is abandoned during processing Administration of Services for managing applications for certification certified products and their holders application drawing up lists of certified products and assessing inspection results Tests Test services corresponding to The laboratories rates are provided on laboratory rates request Payment of these services will not be reimbursed even if the right to use the NF mark is not granted or if the application is abandoned during processing Certification reference NF 414 Rev 8 32 42 Heat Pump NF mark Type of service Service definition General conditions common to NF marks Audit Services including audit preparation the Payment for these services will not be audit
171. ng function a certified point must correspond to an operating point with a GUE threshold defined in the matrices below Intermediate operating points corresponding to intermediate columns of the matrices relative to those provided by the performance matrices below can be declared for certification The lower upstream temperature limit is set at 15 C for outdoor air Operating points at temperatures greater than those provided by the performance matrices below can be declared Test programme The test programme is defined for each case according to the HP type and declared operating range so as e To allow the selection by CERTITA of at least 1 operating point e To take account of any specific justified requests from the applicant The selection of the number of products to be tested in a range is defined in 3 1 3 2 The number of tests to be performed to certify the desired points of the performance matrix is a function of the number of downstream temperatures declared e For air water HPs 3 tests for a declared line and 1 test per additional line e For other HP types 2 tests for a declared line and 1 test per additional line Note 1 when an applicant declares a number of operating points less than or equal to the number of tests to be performed the number of tests to be performed is equal to the number of points declared the applicant can for example request 1 operating point for certification 1 test will be performed at the
172. ng sound intensity Part 1 measurements by points AA 2 HEAT PUMP INSTALLATION CONFIGURATIONS The system configurations are defined according to e the heat sources water or air e the HP configuration single unit or split e free air discharge or ducted unit e the location of the heat pump indoor or outdoor installation An exhaustive analysis is therefore conducted even though certain configurations may not exist on the current market For each of these configurations presented in a diagram the required sound measurements are specified When the heat pump may be sold with a separate hydraulic kit the kit itself is not subject to the sound tests For single unit and multi split systems indoor air units the sound power radiated by each type of indoor air unit sill wall ceiling etc is measured at high speed in ventilation mode only without operation of the refrigeration part The low speed measurement may be taken at the applicant s request and will form part of the certified features The manufacturer shall provide the laboratory with the procedure enabling the operation of the indoor unit s in ventilation mode only without starting up the refrigeration circuit of the outdoor unit Diagram key e water circuit in blue e air connection in red e refrigerant connection in black Certification reference NF 414 Rev 8 Appendix AA Heat Pump NF mark Acoustic tests AA 2 1 OUTDOOR AIR WATER HP AA 2 1 1 Sin
173. ng thresholds must be followed e The temperature stabilisation time th not more than 6 hours in alternating mode and not more than 8 hours in simultaneous mode e The maximum effective hot water volume Vmax greater than 1 2 storage volumes e Reference temperature O wx gt 52 5 C C 6 QUALITY CONTROL SPECIFICATIONS The general provisions defined in part 3 of this standard are completed by the following specific requirements Inspections during production The manufacturer shall monitor and measure the product performances to verify that product requirements are met The following checks are conducted e bythe manufacturer e byan identified subcontractor Within the scope of the NF Mark the inspection plan implemented must at least consist of the tests and checks listed in the tables below Certification reference NF 414 Rev 7 Appendix C 16 23 Heat Pump NF mark Dual mode Storage tank Components Inspections Specifications Frequency Comments Item General appearance In accordance the internal operation mode All types Dimensional Leaktightness checks Control value as iah the sing air ar water test protocol specified by the manufacturer Stainless steel Anticorrosion treatment In accordance with Incoming Storage tank type of welds Internal protective coating by enamelling type Monitoring of oven temperature Monitoring of oven time Coating thickness Gener
174. nominal downstream source flow rate obtained during the 10 7 C test The nominal flow rate for the upstream source obtained during the 10 7 C test is retained for the tests at other upstream source temperatures Certification reference NF 414 Rev 8 Appendix A 6 37 Heat Pump NF mark Heating and cooling A 5 2 5 Glycol water water or glycol water glycol water HP T upstream glycol water C T return 5 0 5 10 15 T downstream water or glycol water C T flow T return 25 22 35 30 45 40 55 47 65 55 For an upstream temperature of 0 3 C For any other temperature of the upstream source the test is performed with the nominal flow rate for the downstream source obtained during the test at O 3 C The nominal flow rate for the upstream source obtained during the O 3 C test is retained for the tests at other upstream source temperatures A 5 2 6 Ground water recycled air HP T upstream ground water C T return 5 10 15 20 T flow 7 T downstream recycled air C 5 10 15 20 25 The nominal flow rate for the upstream source obtained during the 10 7 C test is retained for the tests at other upstream source temperatures Certification reference NF 414 Rev 8 Appendix A 7 37 Heat Pump NF mark Heating and cooling
175. not exceed the permissible deviations given in Table 7 Depending on the test conditions specified in the standard there are two possible test condition settings Scenario no 1 Manufacturer water flow rate setting and mean water temperature setting The test laboratory sets the water flow rate to the manufacturer s nominal flow rate value The water inlet temperature is then adjusted to obtain the required mean temperature Scenario no 2 Water inlet and outlet temperature setting The test laboratory sets the water inlet temperature to the value specified in the standard The water flow rate is then adjusted to obtain the water outlet temperature defined in the standard For glycol water tests the tests should be conducted with 30 MPG MonoPropylene Glycol 6 9 2 Cooling capacity gas heat input and absorbed electrical power measurement in cooling mode To measure the capacity and gas heat input values all the significant data should be recorded continuously For recorders running in cyclic mode the sequence should be set to conduct a full recording at least every 30 s The capacity and gas heat input values should be measured under stabilised mode conditions The data acquisition period is 40 min All the measurements should be made with the same sampling frequency over the same data acquisition period Certification reference NF 414 Rev 8 Appendix EE 30 47 Heat Pump NF mark Gas HP tests 6 9 3 GUE calcu
176. not present any pressure tapping at these points the condensation pressure will be measured at the flow meter placed by the laboratory upstream of the crown inlet collector This value will also be referred to as the floor outlet pressure measurement and the loss of load of the condenser crowns will therefore be overlooked The liquid refrigerant temperatures are measured upstream of the crown inlet collector floor inlet and downstream of the crown collector floor outlet with consideration of the heating capacity transmitted in the floor only The manufacturer s qualified personnel connect the condenser crowns to the module s and load with liquid refrigerant Certification reference NF 414 Rev 8 Appendix CC Heat Pump NF mark Water ground HP tests The following quantities are measured during the test 3 4 e compressor suction pressures and floor collector inlet and outlet pressures if available otherwise see above liquid refrigerant flow water inlet and outlet temperatures loss of load or pressure available on the water water flow electrical power absorbed liquid refrigerant load and type of liquid compressor suction temperatures floor collector inlet and outlet temperatures The tolerances admitted on the condensation temperatures are given in the table below Admissible deviation on the arithmetic mean from the set point value Admissible deviation on the individual values from the s
177. nspection plan that must as a minimum include the inspections and tests described in the following paragraphs and the complementary requirements defined in part 9 The inspection results must be recorded in registers or other documents kept for this purpose and retained in accordance with a documented procedure This inspections individually defined in the paragraphs below and in part 9 will also have to be documented The inspection results must lie within the tolerances defined in the inspection instructions 2 3 3 1 Control of suppliers and subcontractors The manufacturer must carry out an incoming goods inspection by sampling or any other evaluation over all the constituent elements involved in the assembly of the heat pumps in order to ensure their compliance 2 3 3 2 Inspection during manufacturing 2 3 3 3 Qualification of the brazers welders All operators working on all permanent assemblies such as brazing welding gluing expansion enlarging must be qualified and the manufacturer must be able to prove it The manufacturer must be able to trace the product back to the operators who carried out the permanent assembly operations 2 3 3 4 Leak test 100 inspection The manufacturer is obliged to carry out leak tests on its products by any appropriate means The effectiveness of the device must be proven In the event of a defect being observed the proper operation of all the circuits previously made since the last chec
178. o be filled in for each type and for all models see test diagrams in Part 10 of this reference Sound power Sound power Indoor unit Noise radiated by the idee D Wall mounted casing ae Noise radiated by the A casing Reference Low speed mounted Medal 1 High speed fmm nnn ode 1 Reference Low speed Rica ane Model 1 gn sp Sound power Indoor unit ed With duct Sound power Indoor unit Noise radiated by thep Po i Eeee Ceiling mounted casing Airborne noise in the cite Pa ets fail a on mng suction duct and noise Reference Low speed i Model 1 Hihspeed SCNOTE radiated by the casing Reference Low speed A eee E AE A Model 1 HIENSRERS 1 Optional measurement To be completed if the applicant holder wants to certify the noise at low speed A So that the laboratory can measure the sound power radiated by each indoor unit the applicant must supply it with the procedure enabling operation in ventilation mode alone without starting up the refrigeration circuit of the outdoor unit Certification reference NF 414 Rev 8 Appendix A 37 37 Heat Pump NF mark Heating and cooling 7 SEASONAL PERFORMANCES PM Values are to be filled in for each application with a chosen operating mode and climate Seasonal performance HP n 1 HP n 2 HP n 3 HP HP n n
179. o evaluate compliance with Table 8 Compliance is based on the evaluation of the data from each individual interval The data acquisition period should be extended until 3 hours have elapsed or until the heat pump has completed three full cycles during this period whichever comes first If the heat pump is in the process of conducting a defrosting cycle at the end of the 3 hours the data acquisition period ends at the end of the defrosting cycle A full cycle consists of a heating period and a defrosting period from the end of one defrosting to the end of defrosting Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix EE Gas HP tests 26 47 Arithmetic mean variations of Individual value variations with values with respect to respect to the set point value Quantities specified test conditions engine driven or arithmetic mean absorption Interval H Interval D Interval H Interval D gt Inside air inlet temperature dry bulb 0 6K 1 5K 1 0K 5 0K wet bulb f s Outside air inlet temperature dry bulb 0 6K 1 5K 1 0K 5 0K wet bulb 0 3K 1 0K 0 6K Water inlet temperature 0 2K 0 5K f Water outlet temperature 0 5K 1 0K q Mean water temperature 0 5K Water flow rate 2 rh 5 Electricity 4 4 Voltage F Applicable when the heat pump is in heating mode except for the first 10 minutes after the end of a defrosting cycle
180. of a European standard for these special appliances CEN TC113 WG10 work the test protocol below is applied for the certification of ground ground heat pumps with respect to the heat pump NF mark DD 1 PRODUCT DESCRIPTION An Air Ground heat pump may be of different types e single unit the compressor expansion device and air exchanger are within the same body a single module with the condenser crowns separate of course e split the compressor and or expansion device and or air exchanger are not within the same body several modules and the condenser crowns are of course separate DD 2 ENERGY PERFORMANCE The air exchanger module is installed in a climatic room in which the dry and wet temperatures are set and controlled so as to maintain the required conditions For a split machine module s other than the air exchanger are installed at room temperature The condenser crowns are unwound on wooden supports at a height of around 1 20 m in a climatic room The dry temperature of this climatic room is adjusted so as to maintain the required condensation temperature A flow meter is installed upstream of the condenser to measure the flow of liquid refrigerant This will make it possible to calculate the condenser capacity Loops are made at each end of the flow meter to reduce vibration phenomena of the discharge pipes Note The flow meter will be assembled wherever possible in an environment at room temperature Otherwise the
181. of appliance to recycle the cooling heat 2 2 Gas fired absorption HPs The thermodynamic cycle associated with absorption does not involve strictly the same components as HPs with electrically driven compressors Apart from the refrigerant the following three components are common to electrically driven and gas absorption HPs the condenser which transfers heat to the space to be heated directly or via a heat transfer fluid the refrigerant expansion system the evaporator which extracts heat from its environment In absorption HPs the mechanical compressor is replaced by a thermochemical compression system requiring the use of a binary mixture including a refrigerant and an absorbent This thermochemical compression system essentially comprises a boiler sometimes referred to as a generator heated by a gas fired burner atleast one absorbent expansion valve between the boiler and the absorber an absorber a solution circulation pump if applicable The combustion product discharge circuit may be equipped with a flue gas heat recovery exchanger suitable for condensing the water vapour contained therein Certification reference NF 414 Rev 8 Appendix EE 5 47 Heat Pump NF mark Gas HP tests 3 DEFINITION OF PARAMETERS AND QUANTITIES SUBJECT TO CERTIFICATION AND EVALUATION 3 1 Effective electric power Pe The effective electric power consists of the mean electric power absorbed by the appliance during th
182. of reversible HPs when operating in cooling mode This parameter is referred to as Qgnc Certification reference NF 414 Rev 8 Appendix EE 14 47 Heat Pump NF mark Gas HP tests 3 10 Gas utilisation efficiency in heating mode GUE The gas utilisation efficiency for HP tests in heating mode is determined using the following equation GUE Lo 11 gmh where GUEp is the gas utilisation efficiency Qen is the effective heating capacity in Watts Qgmh is the gas heat input in Watts 3 11 Gas utilisation efficiency in cooling mode The procedure for calculating the gas utilisation efficiency in heating mode should be applied for calculating the gas utilisation efficiency of reversible HPs when operating in cooling mode This parameter is referred to as GUE with the following equation GUE 2 12 Ora where GUE is the gas utilisation efficiency in cooling mode Qee is the effective cooling capacity in Watts Qgme is the gas heat input in Watts 4 TEST SET UP 4 1 Test set up requirements 4 1 1 General requirements The test set up should be designed to comply with all set point value setting requirements stability criteria and measurement uncertainties in accordance with this procedure Certification reference NF 414 Rev 8 Appendix EE 15 47 Heat Pump NF mark Gas HP tests 4 1 2 Feed gas requirements The tests should be conducted with one of the suitable reference gases for the category
183. ology of switching circuit Certification reference NF 414 Rev 8 Appendix C Heat Pump NF mark Dual mode C 5 TECHNICAL SPECIFICATIONS AND CHARACTERISATION METHODS C 5 1 Principles The HPs used as constituent parts of the dual mode HP system must be NF Heating HP certified The performances mentioned in C 1 above and determined according to C 4 2 below must comply with the values declared by the applicant or holder corresponding to the declared set point temperature and tapping cycle Multiple set point temperatures and or tapping cycles may be declared by the applicant or holder Several ranges of alternating dual mode HP can be grouped whichever the holder applicant chooses in the basis of A group of HP range which have the same upstream heat source ex air water ground where water and glycol water are integrated Same range of tanks see C 4 2 Same DHW function control process position of the sensor hysteresis of the sensor working of off peak time Same technology of DWH exchanger coils plates Same HP output power fixed or variable Same maximum heating upsteam temperature Performance declarations for the DHW function are checked by means of tests and or simulations The performances of the ranges are determined see C 4 3 by at least 1 test of the DHW function on one model for an adjusted temperature and a declared taping cycle and by simulation for the other models
184. on of declared values Air water HP Comparison between declared and measured powers kW Downstream Upstream temperature air side C temperature C T flow T return 7 2 7 Declare Measur Differenc Declare Measure Differen Declare Measure Differe d ed e d d ce d d nce 35 30 4 20 4 00 4 8 3 40 7 20 6 60 8 3 45 40 4 00 3 70 7 5 2 80 2 50 10 7 7 40 Tolerance on Powers 5 Processing of values e Measured values compliant 4 0 validated value declared value 4 2 e Measured values non compliant validated value measured value x 1 05 e Unmeasured values validated value Declared value corrected by the mean of the relative differences with respect to the compliance thresholds mean calculated from non compliant values only e Mean relative differences with respect to compliance thresholds 5 7 2 5 3 3 3 3 8 New corrected matrix Downstream Upstream temperature air side temperature C T flow T return 7 2 7 Declare Measur Validated Declare Measure Differen Declare Measure Validat d ed d d ce d d ed 35 30 4 20 4 00 4 80 3 40 3 30 7 20 6 60 6 90 45 40 4 00 3 70 3 90 2 80 2 50 2 60 7 40 7 10 Certification reference NF 414 Rev 8 Appendix E 6 15 Heat Pump NF mark Gas engine driven HP Special test conditions For heat pumps covered by this appendix the test
185. on pump Number Variable speed pump Accumulator buffer tank v requested operating points Depending on the HP categories covered by the application heating and reversible if appropriate swimming pools the requested operating point shall be detailed in the data and characteristics tables given below y Starting point at 15C For Outdoor Air Water type heat pumps an HP starting point must be carried out to validate the operating range To enable the laboratory to conduct the test we ask that you specify below the maximum water temperature for an outdoor temperature of 15 This value will be restated on the NF mark admission decision for the range Maximum water temperature Certification reference NF 414 Rev 8 Appendix D 14 16 Heat Pump NF mark Gas absorption HP 4 MAIN COMPONENTS OF THE HEAT PUMP HP no 1 HP no 2 HP no Reference model Liquid refrigerant binary mixture Type Load kg Absorbent binary mixture Type Load kg Corrosion inhibitor Type Load kg Generator thermochemical compression Burner characteristics Solution pump Type Expansion device Type Manufacturer Model Liquid receiver Volume in Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix D Gasa bsorption HP 5 DATA AND C
186. on reference NF 414 Rev 8 Appendix A 2 37 Heat Pump NF mark Heating and cooling A 1 SCOPE This appendix to the NF HP rules defines the specific provisions for electric motor driven heat pumps for heating premises including machines having a cooling function reversible The products covered are defined according to the following types glycol water water mix or glycol water ground water water type sround ground type outdoor air recycled air type extracted air fresh air type outdoor air water type exhaust air water type gsround water type ground water recycled air type water ground type water loop recycled air type e outdoor air ground type Only combinations of the outdoor unit and indoor unit s reaching a heating capacity in the range of 80 to 120 of the outdoor unit heating capacity during operation may be admitted for the NF mark A 2 CERTIFIED PERFORMANCES The certified performances are e The energy performance in heating mode o The Coefficient of Performance COP o The heating capacity o The absorbed electrical power e The acoustic power level The following performances can be optionally certified e The particular performances of variable power regulation HPs o The minimum continuous operation Load Ratio LReontmin O The COP at LReontmin o The performance correction coefficient at LReontmin CCPLRcontmin e The share of electrical power for the auxiliaries
187. oncerned The applicant holder shall declare for each chosen climate e The rated thermal input Paesignh which defines the thermal load at Tdesignh that the product can fulfil Certification reference NF 414 Rev 8 Appendix A 14 37 Heat Pump NF mark Heating and cooling Note In our case Pdesignh iS equal tO Prated Tdesignh also KNOWN as Prated e Part load powers and COP at A B C and D point of the standard EN14825 see A 3 e Bivalent temperature Thiv e Limit operating temperature TOL Note At cool climate Tbiv lt 7 C at average climate Tiv lt 2 C and at hot climate Thiv lt 7 C At cool climate TOL lt 15 C at average climate TOL lt 7 C and at hot climate TOL 2 C Power and COP at Thiv Power and COP at TOL If TOLdeciared lt 10 C power and COP shall not be declared at TOL but at 10 C Auxiliary power Psp Pto Poff and Pek Power and COP on a cyclic interval Pan and the degradation coefficient Can for each point for which the heat pump is in on off mode If Cd is not indicated it is equal to the default value 0 9 Note The influence of Cd on the SCOP global calculation is trivial compared to the tolerance on the SCOP e Seasonal performances coefficient SCOP active SCOPon and net SCOPnet e Seasonal thermal efficiency ns A 5 5 Special characteristics of variable power regulation HPs The manufacturer shall send the means for obtaining the minimum continuous operation load ratio from his produc
188. ontractor must inform the applicant holder of any change in its quality management system any temporary production stoppage any production transfer and above all notify nonconformities detected during internal inspections or external audits e the subcontractor accepts the possible presence of a representative of the applicant holder during the NF certification admission and monitoring audits The subcontractor also accepts that an audit may be made by the applicant holder to ensure compliance with the NF heat pump application certification rules e The subcontractor must set up measures to guarantee the availability of spare parts for a 10 year period after the product has been taken off the market DOCUMENTS TO DE PROVIDED certify that the minimum subcontracting A copy of the contract in French or English requirements above are restated in the contract Contract Number Reference Date and signature of the applicants official representative Sheet drawn up on Modification dates Purpose of modification Certification reference NF 414 Rev 8 40 42 Heat Pump NF mark STANDARD SHEET 4 IDENTIFICATION OF THE AUTHORISED AGENT S RESPONSIBILITIES Heat Pump NF MARK 7 6 6 Lets AS Aln o eee EE EER a ON TE CS he nd ne 0 AUthoris d agentss Sik itouch ee RD dh Ge OA aR ie Ae ESS Minimum requirements which must be shown in the contract e assignments and associated responsibilities e financial aspec
189. ooling capacity and the GUE must be determined under the conditions below There is no defined GUE threshold The corresponding GUE matrices appear in the below for each HP type E 4 2 1 Outdoor air water HP T upstream outdoor air C 5 15 25 35 at T downstream water C T flow T return 1 5 6 5 7 12 12 5 17 5 18 23 23 5 28 5 For an upstream temperature of 35 C For any other source upstream temperature the test is performed with the nominal flow rate obtained during the 35 C test E 4 2 2 Outdoor air recycled air HP T upstream outdoor air C 5 15 25 35 45 T downstream recycled air C 22 27 32 37 Certification reference NF 414 Rev 8 Appendix E 8 15 Heat Pump NF mark Gas engine driven HP E 4 3 Acoustic power level Sound power levels shall be determined under the conditions set out in Appendix AA Part 10 of this certification standard Outside the building they must comply with the following thresholds Heating capacity in kW Sound power in dB A O lt power lt 10 lt 70 10 lt power lt 20 lt 73 20 lt power lt 50 lt 78 50 lt power lt 100 No threshold defined If the measured sound power level of a product exceeds the declared level for the product by more than 2 dB A all the range values must be changed on the basis of
190. oor installation O With barrier exchanger O Without barrier exchanger 3 INFORMATION ON THE HEAT PUMP AND OR ITS VARIOUS SEPARATE COMPONENTS v HP installation site tick the relevant box C Outdoors v Defrosting principle Do settings require work by the applicant C Indoors y Continuous power regulation HPs if applicable description of means for obtaining the minimum continuous operation load ratio LReontmin v Acoustic if applicable specific installation conditions for the HP Certification reference NF 414 Rev 8 Appendix D 13 16 Heat Pump NF mark Gas absorption HP v Heat pump equipment tick the relevant box es ClBoiler generator ClBurner with On Off or modulating type Modulation range LVariable speed fan Expansion valve with type fixed thermostatic electronic O Absorber Olnternal heat recovery unit Solution pump with type Domestic hot water production included in the HP Other equipment or accessories If the equipment mentioned below is not installed on all the models it must be subject to separate right of use applications However we invite you to contact CERTITA to confirm this CReversible cycle cooling operation reversible heat pump C Circulation pump for collectors LJMultiple speed circulation pump Number LVariable speed pump Circulation pump for the heating circuit LJMultiple speed circulati
191. p rature diminue de plus de 2 5 pendant les 70 premi res minutes de la p riode d acquisition des donn es Figure Erreur Code op conditionnel inconnu 2 Stabilised mode heating capacity test Certification reference NF 414 Rev 8 Appendix EE 45 47 Heat Pump NF mark Gas HP tests Conformit P riode de mise en temp rature aux tolerances 10 minutes minimum d essai d abord obtenues Donn es pour calcul de puissance P riode d acquisition des donn es 3 heures P riode d quilibra 60min Essai en r gime transitoire Essai termin quand la p riode d acquisition des 4 Tair ou eau c t int rieur donn es est gale 3 heures Agrandissement D givrage la fin de la p riode de mise en temp rature AT diminue de plus de 2 5 pendant les 70 premi res minutes de la p riode d acquisition des donn es Figure Erreur Code op conditionnel inconnu 3 Transient mode heating capacity test without defrosting cycle Conformit aux tol rances P riode de mise en temp rature Donn es pour calcul de puissance d essai d abord 10 minutes minimum P riode d acquisition des donn es obtenues 3 heures gt l P riode d quilibre 60min Essai en r gime transitoire Essai termin quand la p riode d acquisition des Tair ou eau donn es est c t int rieur gale 3 heures Agrandissement Le cycle de d givrag
192. p is built into the appliance is based on the relationship between the efficiency of the pump and its hydraulic power B 2 Liquid circulation pump hydraulic power The circulation pump is built into the appliance If the circulation pump is built into the appliance the hydraulic power of the pump is defined as follows P hydrau q Ape B 1 where Phydrau is the hydraulic power of the pump in Watts q is the water volume flow rate in m s Ape is the available external static pressure differential measured in Pascal The circulation pump is not built into the appliance If the circulation pump is not built into the appliance the hydraulic power of the pump is defined as follows P yaran 4 Api B 2 where Phyarau is the hydraulic power of the pump in Watts Q is the water volume flow rate in m s Api is the available internal static pressure differential measured in Pascal Circulation pump efficiency The liquid circulation pump efficiency required to output the hydraulic power is determined using the following formula a If the measured hydraulic power of the circulation pump is less than 500W the pump efficiency is determined using the following equation 0 3183 n 0 0721 P B 3 ydrau b If the measured hydraulic power of the circulation pump is greater than 500W the pump efficiency is determined using the following equation 1 0 092Ln P 0 0403 B 4 ydrau Certification refer
193. penings Inside Airborne noise in the suction duct Airborne noise in the discharge duct Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA 8 13 Heat Pump NF mark Acoustic tests AA 2 3 3 Ducted single unit Outdoor installation Outside noise radiated by the casing Inside airborne noise in the suction and discharge ducts Test equipment double reverberant room AA 2 3 4 Unducted split Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only noise radiated by the indoor unit casing Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA 9 13 Heat Pump NF mark Acoustic tests AA 2 3 5 Ducted split Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only gt For indoor units with suction and discharge ducts airborne noise in the suction duct airborne noise in the discharge duct gt For indoor units with discharge ducts only suction noise measured at the same time as the noise radiated by the casing airborne noise in the discharge duct Test equipment double reverberant room NB With a double reverberant room during measurement of the noise radiated by the OU the IU is fitted with its ducts but they are not connected to a plenum The aeraulic operating point of the IU with its ducts must be checked Certification reference NF 4
194. pump operates without ducts with an available pressure that is nil at discharge and its radiated noise is measured according to diagram AA 2 1 1 Outside casing noise Inside no measurement Indoor configuration the HP is ducted according to AA 3 2 If the available pressure stated by the manufacturer is lt 25 Pa then the pressure available at O is set see special test conditions in A 4 or B 4 Otherwise the available pressure is set at the maximum value Pmax supplied by the manufacturer The following measurements are made according to diagram AA 2 1 2 Outside global noise of both air suction and discharge openings Inside noise radiated by the casing AA 4 MEASUREMENT RESOLUTION The measurement of the sound power level is stated at 1 10 dB afhof Eurovent 3 CERTIFICATION Certita S lt Organisme certificateur Mi CER f Body mandated by 11 rue Francis de Pressens ae P 93571 LA PLAINE ST DENIS Cedex AFNOR Certification T l 01 41 62 80 00 Fax 01 49 17 90 00 48 50 rue de la Victoire www marque nf com 75009 PARIS T l 33 1 75 447171 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 10 APPENDIX BB GROUND GROUND HP TESTS CONTENTS BB 1 PRODUCT DESCRIPTION BB 2 ENERGY PERFORMANCE BB 3 SOUND PERFORMANCE Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix BB 2 3 Heat Pump NF mark Ground groun
195. r The test conditions are those described in appendices A and B of this reference standard DD 3 2 Installation and test methods The module is placed in a reverberant room The condenser crowns are replaced by a water exchanger placed in a second adjacent reverberant room and connected to a water loop with set temperature and flow The same floor inlet and outlet pressures temperatures are therefore set as those obtained during the thermal test The air evaporator is placed in a reverberant room with temperature control so as to set the desired atmospheric conditions If the compressor is integrated in the same module a single sound power measurement is made If the compressor is placed in another module it is installed in the adjacent reverberant room with the water loop simulating the condenser crowns Both the sound power measurements of the evaporator and compressor are then made at the same time f atnor Eurovent 3 CERTIFICATION Certita F N cer Body mandated by AFNOR Certification Organisme certificateur 11 rue Francis de Pressens 93571 LA PLAINE ST DENIS Cedex a T l 01 41 62 80 00 Fax 01 49 17 90 00 48 50 rue de la Victoire www marque nf com 75009 PARIS T l 33 1 75 44 71 71 www certita fr certita certita fr CERTIFICATION REFERENCE HEAT PUMP NF MARK PART 10 APPENDIX EE GAS HP TESTS Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix EE 2 47
196. r assembly plant Type Manufacturing of single and or manufacturing of outdoor unit and or manufacturing of indoor unit and or assembly References of the units Sub contractor Yes No Certification reference NF 414 Rev 8 Appendix A 21 37 Heat Pump NF mark Heating and cooling Type of heat pump subject to the application tick the relevant box es Outdoor air Recycled air HP single unit C Glycol water Water HP single unit C ductless indoor installation C outdoor installation C ducted indoor installation C indoor installation E ducted outdoor installation Glycol water Water HP split EA C Exhaust air Fresh air HP single unit C ducted indoor installation E outdoor installation C ducted indoor suction E indoor installation Glycol water Glycol water HP single unit C Exhaust air Water HP single unit Glycol water Glycol water HP split Ea ducted indoor installation Ground water Water HP single unit LI ducted indoor suction Oo LI outdoor installation ducted indoor discharge eI OO or Outdoor air Recycled air HP single split With barrier exchanger C ductless E Without barrier exchanger L ducted Ground water Water HP split C Outdoor air Recycled air HP multi split C ductless LI ducted Ground water Recycled air HP single unit Ground water Recycled air HP split Ground water Grou
197. rawn up in one hard copy and one electronic copy addressed to EUROVENT CERTITA in accordance with the templates defined below in French or English If the product comes from a manufacturing unit outside the European Economic Area the applicant will appoint an authorised agent within the European Economic Area who jointly signs the application An application concerning a product availing of a foreign conformity mark or a test certificate issued by a foreign laboratory is processed according to existing recognition agreements in accordance with the general rules of the NF Mark A copy of the conformity certificate declaration to European directives must be attached to each application Electronic versions of letter templates and data sheets may be obtained from EUROVENT CERTITA 8 1 APPLICATION FILE CHECKLIST Documents to be provided Noes copy Application for the right of use according e Standard letter 1 in case of application for the right of use or subsequent admission application e Standard letter 2 in case of application for extension of the right of use 1 e Standard letter 3A filled in by the applicant holder joined with the visa of the distributor if relevant and 3B if the latter is not the applicant holder of the right to use the NF mark in case of a maintenance application General data sheet regarding the applicant and the stakeholders according to the standard sheet 1 1 Commitment sheet accord
198. rding to the capacity 6 For heat pumps ducted on the two air circuits a length of 1 m of rectangular duct shall be used for the ducting on the outdoor side The length of the duct for the indoor side will depend on the other installation conditions such as the dimensions of the reverberant room The assembly of the heat pump with its ducts may be difficult to describe in the test report In this case the laboratory must take photos of the installation assembly attach them to the test report and keep them in the test file AA 3 3 Space heating heat pumps The sound tests are carried out under the chosen application conditions for the energy performances Regarding a range for which several applications are requested the sound test is carried out under the conditions corresponding to the last application requested which presents the highest temperature conditions For outdoor air heat pumps the sound test is performed at an outdoor air temperature of 7 6 C AA 3 4 Swimming pool heat pumps For outdoor air to water type swimming pool heat pumps the sound test is performed at an outdoor air temperature of 15 12 C and for the water temperature of the swimming pool heating system depending on whether the HP operates with low or high water flow For a heat pump range that can be installed as it is or with optional equipment indoors or outdoors two test configurations are required Outdoor configuration the heat
199. regardless of their results The decisions are enforceable as from the date of notification Holders are responsible for the right to use the NF mark relative to the product concerned and agree to implement the actions arising from the suspension or withdrawal of the right of use made in accordance with these certification rules All suspensions and withdrawal of the right to use the NF mark lead to the interdiction to use the mark and reference to it for all new production For products manufactured prior to the suspension or withdrawal of the right of use the certifier may implement special measures on a case by case basis The methods of communication about certification are set out in 2 4 of this certification standard The holder may object to the decision made by submitting a claim in accordance with the General Rules of the NF Mark 4 4 MODIFICATIONS STATEMENT This paragraph states what information is needed and the steps to take in the event of modifications concerning e the holder Certification reference NF 414 Rev 8 24 42 Heat Pump NF mark e the manufacturing unit e the quality organisation of the manufacturing unit e the product For other cases EUROVENT CERTITA determines whether the modifications could cast doubt over the certification and whether an additional inspection is necessary Depending on the examination results EUROVENT CERTITA notifies the appropriate decision 4 4 1 Modification concerning
200. rement result remains below the value declared by the manufacturer increased by 2 dB the heat pump is not refused the NF mark AA 3 2 Air ducting The air coupling ducts must have the following features 1 length of 1m Materials rectangular duct in 12 10 or any other material of similar area density Or Circular duct rolled galvanised duct or any other material of similar surface density In all cases the ducts must not include absorbing material on the inside 2 Identical cross section to the HP discharge or suction cross section generally rectangular duct for outdoor air and circular duct for recycled air Outside 3 the available pressure is the resulting pressure obtained with these installation characteristics 4 the ducts are not equipped with grids or terminal outlets If the unit and test room configuration requires the installation of elbows priority must be given to a symmetrical configuration for the global noise measurement of the suction inlets and discharge outlets outdoor side with an elbow on every duct if necessary In this case if the total angle of a duct is greater than 90 each elbow making it up must not exceed 90 The total length of each duct may exceed 1m Certification reference NF 414 Rev 8 Appendix AA 13 13 Heat Pump NF mark Acoustic tests Inside 5 The static pressure on the indoor side is obtained by adjusting the pressure difference between the two reverberant rooms value acco
201. rences with respect to compliance thresholds 5 7 2 5 3 3 3 3 8 New corrected matrix Downstream Upstream temperature air side temperature C T flow T return 7 2 7 Declare Measur Validated Declare Measure Differen Declare Measure Validat d ed d d ce d d ed 35 30 4 20 4 00 4 80 3 40 3 30 7 20 6 60 6 90 45 40 4 00 3 70 3 90 2 80 2 50 2 60 7 40 7 10 Certification reference NF 414 Rev 8 Appendix D 6 16 Heat Pump NF mark Gas absorption HP Special test conditions For heat pumps covered by this appendix the tests are conducted according to the test protocol define in Part 10 Appendix EE For heat pumps with continuous variable capacity control inverter compressor or other type of power variation the manufacturer must provide the laboratory with the corresponding setting procedure for obtaining the declared operating points During the different heating capacity measurement tests the supply voltage frequencies and or speeds are noted for compressors and fans and mentioned in the test report For HPs with air connections the connection specifications defined for the sound tests see Appendix AA also apply to thermal tests meaning use of the same connection ducts For a heat pump range that can be installed as it is or with optional equipment indoors or outdoors in which the pressure in the discharge duct towards the outside is less t
202. rform their mission 5 3 TEST BODY Each test except those carried out in authorised laboratories cf Part 6 is performed at EUROVENT CERTITA s request in one of the following laboratories called mark laboratories 5 3 1 Thermal tests and acoustic tests CEIS Ctra Villaviciosa de Odon a Mostoles km 1 5 28935 M stoles MADRID SPAIN T 3491 616 97 10 34 91 616 23 72 Website www ceis es Email ceis ceis es Certification reference NF 414 Rev 8 26 42 Heat Pump NF mark CETIAT Domaine scientifique de la Doua 25 Avenue des Arts B P 2042 69603 Villeurbanne Cedex FRANCE T 334 72 44 49 00 33 4 72 44 49 49 Website www cetiat fr Email cetiat commercial cetiat fr LNE 29 avenue Roger Hennequin F 78197 TRAPPES Cedex 33130691000 Z 33 1 30 69 12 34 Website www lne fr Email info lne fr SP Technical Research Insitute of Sweden Energiteknik Energy Technology Box 857 SE 501 15 Bor s Sweden L 46 10 516 50 00 46 33 13 19 79 Website www sp se Email info sp se 5 3 2 Thermal tests AIT Oterreichisches Forschungs und Pr fzentrum Arsenal Ges m b H Giefinggasse 2 1210 Vienna Austria amp L 43 50550 6509 43 50550 6679 Website www ait ac at 5 4 SPECIAL COMMITTEE OF THE NF MARK There is an advisory body called a Special Committee of the NF mark in which EUROVENT CERTITA has a secre
203. rinciple 4 way valve or vapour injector e same power regulation principle refrigerant performance management e same swimming pool exchanger type Special cases e For technological reasons it can prove necessary to change compressor technology within a range One or two products may therefore be added e A single product that exists with single phase and three phase power supply constitutes two models in the same range In this case it must be possible to distinguish between them by their names e For heat pumps that can be installed as they are or with optional equipment indoors or outdoors these will be viewed as two product ranges but a single heating capacity measurement will be carried out if the pressure in the duct is less than 25 Pa and two heating capacity measurements will be carried out if the pressure in the duct is greater than 25 Pa see special test conditions in A 4 1 e For a range of appliances offering options incorporated into the heat pump these constitute different ranges if such options have an impact on the certified features of the heat pump In this case the applicant shall complete separate applications for the right to use the NF mark B 4 TECHNICAL SPECIFICATIONS AND CHARACTERISATION METHODS Principles e The thermal and acoustic performance declarations are verified by tests e COP thresholds are set e Acoustic power thresholds are set for certain HP heating capacity levels e For certain HP types t
204. rom 11 to 15 3 gt 16 3 up to 15 then 1 additional reference per step of 5 For acoustic power characteristics 1 product shall be subject to testing regardless of the number of products in the range For dual mode heat pumps the test programme and the number of products to be tested are defined in Appendix C 8 C 4 For multi split heat pumps The number of tested product s is determined by taking account of the table above It is used to define the number of outdoor units OUs and number of indoor units IUs for each type apron wall wall ceiling etc Multiplication of the number of OUs by the number of IUs selected produces the maximum number of combinations to test In view of the test method and test means of the laboratory i e e U connection of the same model in the same range e Provision of two or even three climatic chambers to test a combination with two types of IU if necessary Together with the laboratory EUROVENT CERTITA shall study the combinations that may be tested carefully to minimise the number of tests validating all of the OU and IU models selected Moreover depending on the combinations selected it will at least e test a combination that reaches 80 of the nominal capacity of the associated OU during operation at 7 6_20 15 C and e test a combination that reaches 120 of the nominal capacity of the associated OU during operation at 7 6_20 15 C None of the other combination
205. rporated water or glycol water pumps the external static pressure should be set at the same time as the temperature differential according to the protocol specified below Certification reference NF 414 Rev 8 Appendix EE 16 47 Heat Pump NF mark Gas HP tests 4 2 Test appliance set up and connection 4 2 1 General The test appliance should be set up and connected for the test as recommended by the manufacturer in the installation and operating manual Accessories supplied as an option e g supplementary electric heater are not included in the test 4 2 2 Set up of appliances with separate components In the case of appliances with separate components the following set up conditions should be observed for the tests a the refrigeration connections should be fitted in accordance with manufacturer instructions with a minimum length of 5 m and a maximum length of 7 5 m if test set up restrictions do not allow a length of 5m b the connections should be fitted such that the difference in elevation does not exceed 2 5 m c the refrigeration connections should be thermally insulated in accordance with manufacturer instructions d unless restricted for design reasons at least half of the refrigeration connections should be exposed to outside conditions with the remainder exposed to inside conditions 4 2 3 Measurements The temperature and pressure measurement points should be distributed so as to obtain significant mea
206. s and radiated noise by the casing Certification reference NF 414 Rev 8 Appendix E 15 15 Heat Pump NF mark Gas engine driven HP Characteristics HP no 1 HP no 2 HP no 3 HP no HP no for cooling applications Reference Model of the heat pump or combination Reference of indoor unit conditions Feed pressure Nature of gas heat input under nominal Hz Nominal voltage in V Nature of single or three phase current 50 Temperature conditions Cooling capacity in KW Absorbed power in KW EER stated with 3 significant figures cl Cooling capac Absorbed pow Temperature conditions ity in KW er in KW GUE stated with 3 significant figures Cooling capac Absorbed pow Temperature conditions ity in KW er in KW GUE stated with 3 significant figures Absorbed pow Temperature conditions er in KW GUE stated with 3 significant figures afnor CERTIFICATION Organisme certificateur 11 rue Francis de Pressens 93571 LA PLAINE ST DENIS Cedex T l 01 41 62 80 00 Fax 01 49 17 90 00 www marque nf com f Eurovent 3 Certita cer Body mandated by AFNOR Certification 48 50 rue de la Victoire 75009 PARIS T l 33 1 75 44 71 71 www certita fr certita certita fr CERTIFICATI
207. s amet ee ee als T oihe 29 6 9 3 GUE calculation in cooling mode cece cccccececstececeeceecetstssseaeeeceesensstsseaeeecenentaaas 30 Te TESTS USE OT i Antone Ann eA aa 30 ZI Datato be recorded a 42 a eles AOR eat er eG Ree a ee ees 30 Annexe A Calculation of corrections Cindoor Coutdoor ANG Chrisseccsscscecececececececececcceceeeececeeeceseeeeeeceseseeeeess 38 Annexe B Liquid circulation pump efficiency determination 41 The circulation pump is built into the appliance 2 ccc ceccestecaeeececeeecetseaeeececcrtstsaeaseess 41 The circulation pump is not built into the appliance cece cc cccceccescessseseeececnetsssaeeeeess 41 Annexe C Heating capacity tests Flow chart and examples of various test sequences 43 Certification reference NF 414 Rev 8 Appendix EE 4 47 Heat Pump NF mark Gas HP tests 1 INTRODUCTION This document describes the test methods for gas fired heat pumps engine driven and absorption This protocol is only applicable within the scope of the future NF GAS HP mark 2 BRIEF DESCRIPTION OF APPLIANCES CONCERNED 2 1 Engine driven HPs Most engine driven HPs comprise the same thermodynamic components as an electrically driven HP The only changes are The compressor drive type Indeed engine driven HPs drive the HP compressor by means of a gas fired internal combustion engine The optional insertion of a specific water liquid coolant exchanger which may be incorporated in this type
208. s are conducted according to the test protocol define in Part 10 Appendix EE For heat pumps with continuous variable capacity control inverter compressor or other type of power variation the manufacturer must provide the laboratory with the corresponding setting procedure for obtaining the declared operating points During the different heating capa city measurement tests the supply voltage frequencies and or speeds are noted for compressors and fans and mentioned in the test report For HPs with air connections the connection specifications defined for the sound tests see Appendix AA also apply to thermal tests meaning use of the same connection ducts For a heat pump range that can be installed as it is or with optional equipment indoors or outdoors in which the pressure in the discharge duct towards the outside is less than 25 Pa the heating capacity measurement tests are conducted in the outdoor free air blowing configuration with a pressure equal to 0 E 4 1 Energy performance in heating mode The energy performance in heating mode meaning the heating capacity the absorbed electrical power and the GUE must be determined under the conditions below GUE thresholds are defined for certain operating points and must be respected The corresponding GUE matrices appear in the below for each HP type It should be noted that when a GUE value is explicitly mentioned it defines the applicable threshold for the corresponding
209. s set at 15 C for outdoor air Operating points at temperatures higher than those provided by the performance matrices below can be declared The matrix lines declared by the applicant holder corresponding to the HP operating points do not necessarily include the RT 2012 pivot point According to the standard EN 14511 for some type of heat pumps some operating points are mandatory especially to define reference flows Note 1 as a reminder if the pivot value is not certified the certified characteristics cannot be validated under RT 2012 A 5 2 Energy performance in heating mode The energy performance in heating mode must be determined under the conditions below The corresponding COP matrices appear in the below for each HP type with the following conventions e When a COP value is explicitly mentioned it defines the applicable threshold for the corresponding operating point e The matrix items highlighted in yellow correspond to any pivot points defined in RT 2012 A 5 2 1 Outdoor air water HP The heat pump must be started up by taking an outdoor temperature of 15 C and a maximum water temperature provided by the manufacturer The water flow rate used for the test is that corresponding to the first application requested and should preferably be at the pivot point For single unit heat pumps installed indoors or for the indoor unit of split HPs the indoor environment is at ambient temperature The HP must be able to
210. s will have to meet a specific criterion within the 80 120 range of capacity of the OU 3 3 EVALUATION AND DECISION EUROVENT CERTITA assesses each report intended for the applicant in accordance with the current procedures Each report showing deviation out of tolerance requires an answer within a timeframe fixed within the report or the accompanying letter The applicant must present for each deviation the actions taken or to be taken including the schedule to put them in place Certification reference NF 414 Rev 8 19 42 Heat Pump NF mark EUROVENT CERTITA analyses the relevance of the response and is entitled to request an additional inspection full or partial audit and or tests If necessary EUROVENT CERTITA may anonymously present all evaluation results to the Special Committee for review Depending on the results of all inspections EUROVENT CERTITA notifies one of the following decisions e Certification e Certification rejection If certification has been approved AFNOR Certification authorises the use of the NF mark and EUROVENT CERTITA sends the applicant who is now a mark holder the NF certificate and or letter notifying the decision The methods for communicating about the certification are defined in Part 2 4 of these certification rules The applicant may object to the decision made by submitting a claim in accordance with the General Rules of the NF Mark 3 4 CASE OF A SUBSEQUENT APPLICATION The appl
211. ssembly loading and overall verification of the tightness of the appliance in the installation manual The holder may refer to standard ISO 5149 2 to define the installer s obligations For heat pumps using ground water and for which the certified features have been determined without barrier exchanger the holder must clearly mention near the announcement tables the text Tests to assess the performance of the heat pumps have been carried out without barrier exchanger If this component is used on the installation the performances are reduced and the stated features no longer certified For heat pumps that cannot be marked with the NF logo as defined in paragraph 2 4 3 1 the holder shall produce a specific chapter entitled combinations permitted for the NF mark that reproduces the certificates of right of use of the NF mark For splits if all the units offered in the holder s catalogue are not covered by combinations defined in the ranges allowed to use the NF mark the installation and user manuals must contain a chapter combinations allowed to use the NF mark which must include a copy of the certificate of right to use the NF mark For multi application heat pumps of which not all of the applications would be admitted for the NF mark the installation and user manual must state the applications for which the product benefits from the NF mark 2 4 6 Draft documentation So that the holder ensures that the requirements of the NF mark
212. st is included in the COP measurement at a lt 15 C Certification reference NF 414 Rev 8 Appendix A 17 37 Heat Pump NF mark Heating and cooling A 6 4 Acoustic power Acoustic powers are tested in the conditions defined in the annex AA Part 10 A 6 5 Special test conditions For heat pumps with continuous variable capacity control Inverter compressor or other type of power variation the manufacturer must provide the laboratory with the corresponding setting procedure for obtaining the declared operating points During the different heating capacity measurement tests the supply voltage frequencies and or speeds are noted for compressors and fans and mentioned in the test report For HPs with air connections the connection specifications defined for the sound tests see Appendix AA also apply to thermal tests meaning use of the same connection ducts For a heat pump range that can be installed as it is or with optional equipment indoors or outdoors in which the pressure in the discharge duct towards the outside is less than 25 Pa the heating capacity measurement tests are conducted in the outdoor free air blowing configuration with a pressure equal to 0 Ground ground water ground and outdoor air ground heat pumps are not part of the field of application of a standard for the determination of the heating performance of heat pumps This exclusion is related to the test method which is very di
213. stream of the condenser to measure the flow of liquid refrigerant This will make it possible to calculate the condenser capacity Measuring the discharge pressure and liquid pressure associated with the temperatures taken at the same place enables the enthalpies of the liquid refrigerant to be determined If the machine does not present any liquid pressure tapping the discharge pressure will be measured to calculate both enthalpies The module is installed in an environment at room temperature The manufacturer s qualified personnel connect the evaporator and condenser crowns to the module and load with liquid refrigerant Instruments include e an electrical meter upstream of the machine general power supply e pressure sensors to measure the suction and discharge pressures and liquid pressure where applicable e Contact probes PT100 to measure the discharge liquid and suction temperatures The water temperature measurement uncertainty also applies to the measurement of liquid refrigerant temperatures Certification reference NF 414 Rev 8 Appendix BB 3 3 Heat Pump NF mark Ground ground HP tests The tolerances admitted on the evaporation and condensation temperatures are given in the table below Admissible deviation on the Admissible deviation on the arithmetic mean from the set individual values from the set point point value value Liquid refrigerant temperature 0 2 K the test metho
214. sured remain constant without having to modify the set point values for at least 1 hour in line with the tolerances specified in Table 7 Periodical fluctuations of the quantities measured caused by the use of regulation and control equipment are allowed provided that the mean or individual value of these fluctuations according to the circumstances does not exceed the permissible deviations given in Table 7 Permissible deviations on Permissible deviations on individual values measured with Quantity measured arithmetic mean value with respect to the set point value respect to set point values engine driven or arithmetic mean absorption Liquid inlet temperature outlet temperature mean temperature volume flow rate static pressure differential Air inlet temperature dry wet bulb volume flow rate static pressure differential Table 7 Permissible deviations Depending on the test conditions specified in the standard there are two possible test condition settings Scenario no 1 Manufacturer water flow rate setting and mean water temperature setting The test laboratory sets the water flow rate to the manufacturer s nominal flow rate value The water inlet temperature is then adjusted to obtain the required mean temperature Certification reference NF 414 Rev 8 Appendix EE 22 47 Heat Pump NF mark Gas HP tests Scenario no 2 Water inlet and outlet temperature setting The test laboratory sets the wa
215. t Pump NF mark Acoustic tests AA 2 2 4 Split system with ducted indoor unit Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only gt For indoor units with suction and discharge ducts airborne noise in the suction duct airborne noise in the discharge duct gt For indoor units with discharge ducts only airborne noise in the suction duct measured at the same time as the noise radiated by the casing airborne noise in the discharge duct Test equipment double reverberant room NB With a double reverberant room during measurement of the noise radiated by the OU the IU is fitted with its ducts but they are not connected to a plenum The aeraulic operating point of the IU with its ducts must be checked AA 2 2 5 Split with unducted indoor unit Outside noise radiated by the casing of the outdoor unit Inside in ventilation mode only noise radiated by the indoor unit casing Test equipment double reverberant room Certification reference NF 414 Rev 8 Appendix AA 7 13 Heat Pump NF mark Acoustic tests AA 2 3 OUTDOOR AIR RECYCLED AIR HP AA 2 3 1 Non ducted single unit indoor installation Outside global noise of both air suction and discharge openings Inside noise radiated by the casing Test equipment double reverberant room AA 2 3 2 Ducted single unit indoor installation Outside global noise of both air suction and discharge o
216. t under evaluation LReontmin LRcontmin is only calculated for the matrix pivot point temperature conditions LRoontmin is defined as the minimum continuous operation load ratio i e LReontmin Minimum continuous operation load heating capacity Heating capacity declared and or measured under pivot point conditions A heating capacity test at this load ratio is performed to verify the continuous operation of the HP no cycling and record the following performance values e The heating capacity measured in this way is compared to the heating capacity measured and or declared at the same pivot point of the matrix and LReontmin is calculated If the difference between the calculated value and the value of LReontmin declared by the manufacturer is less than 10 of the declared value the value of LReontmin is then validated e if the value of LRcontmin is validated the COP at LReontmin is measured and validated Ccpircontmin is then calculated and validated as follows CCP ircontmin COP at LReontmin COP at pivot point A 5 6 Share of electrical power for the auxiliaries The electrical standby power Psb for the auxiliaries is measured with the appliance in standby mode according to the provisions of standard NF EN 14825 The share of the electrical power for the auxiliaries in the total electrical power Ratio is the ratio between the standby power and the absorbed power at pivot point A 5 7 Acoustic power level If the
217. tarial role Its members are as follows Manufacturer panel 3 to 7 representatives User specifier panel 1 to 6 representatives Technical body panel 1 to 5 representatives Public authority panel 1 to 2 representatives A Chairman is appointed from the members of the one of the above panels The Committee issues decision opinions and its members are not allowed to receive any compensation for the functions they perform The length of the delegation period of the members is 3 years This delegation period is renewable by tacit agreement The Committee Chairman can change every year During their sessions the Special Committee can assign certain tasks to a working group whose members must be appointed from among the members of the Special Committee and whose mission shall be defined Special Committee members undertake to fulfil their function with impartiality and keep personal information disclosed to them confidential EUROVENT CERTITA takes the specific measures to ensure the confidentiality of applicant or holder files presented to the Committee except authorisation or in the event of disputes appeals Certification reference NF 414 Rev 8 27 42 Heat Pump NF mark Part 6 USE OF HOLDERS APPLICANTS LABORATORIES This part describes the procedure according to which an applicant holder may be authorised to conduct in their own laboratories all or part of the tests required for examining an application submitted If the
218. ter inlet temperature to the value specified in the standard The water flow rate is then adjusted to obtain the water outlet temperature defined in the standard For glycol water tests the tests should be conducted with 30 MPG MonoPropylene Glycol 6 6 2 Heating capacity cooling capacity recovery capacity gas heat input and absorbed electrical power measurement To measure the capacity and gas heat input values all the significant data should be recorded continuously For recorders running in cyclic mode the sequence should be set to conduct a full recording at least every 30 s The capacity and gas heat input values should be measured under stabilised mode conditions The data acquisition period is 40 min All the measurements should be made with the same sampling frequency over the same data acquisition period 6 6 3 GUE calculation The data acquisition period is divided into four 10 min periods One GUE value is calculated for each period The fluctuations of the four GUE values should not exceed a 1 5 standard deviation and these individual variations should not exceed 3 6 7 Heating capacity measurement for air air appliances using the enthalpy method and air liquid appliances 6 7 1 General The test procedure includes three periods a warm up period a stabilisation period and a data acquisition period The data acquisition time varies depending on whether the heat pump is running in stabilised or trans
219. tests are performed partially then the remaining tests are to be performed in a mark laboratory The appliances admitted by this procedure are subject to a systematic inspection according to 4 2 2 When the authorisation is granted it is said that the applicant holder has obtained an NF authorisation and the laboratory ies involved are said to be NF authorised The NF authorisation of a laboratory applies only for the NF mark application and any mention of this authorisation in a different context is prohibited 6 1 NF AUTHORISATION REQUEST Prior to the NF authorisation request a comparison between the applicant holder s laboratory and one of the independent laboratories of the mark is carried out on one appliance The NF authorisation request must be sent to EUROVENT CERTITA indicating the tests for which the NF authorisation is required out of those subject to the accreditation with the following attachments e a copy of the accreditation decision from the accreditation body COFRAC in Frnace or equivalent recognized by European cooperation for Accreditation stating its limitations type of tests concerned e the report s drawn up by the accrediting body as part of its accreditation procedure and any subsequent reports of verifications carried out by the latter e the commitment to comply with the relevant provisions of the certification rules and of the parts thereof The costs of all aforementioned operations
220. th dent Rat AAE A de Only for French companies The legal representative is the legally responsible person Only for French companies Certifi Heat This s inspe This s Appli cation reference NF 414 Rev 8 39 42 Pump NF mark STANDARD SHEET 3 COMMITMENT FOR SUBCONTRACTING PRODUCTION Heat Pump NF MARK heet is provided to define the contractual links that exist between the applicant holder and each subcontractor responsible under a subcontracting agreement for the following stages design manufacture with the exception of heat pump components assembly ctions marking and packaging heet must be updated whenever the contract or subcontractor changes A copy is then sent to EUROVENT CERTITA ant A HOLS soit nier ni mR nt ne RNA nn A Rene dite SUBCON TACION M NS em pr rs nn re does At ae ra fe gens Ur Une nant Verne Service identification Spec Mini ify depending on the definition of the applicant holder mum requirements which must be shown in the contract e the subcontractor must undertake to comply with the requirements of the relevant NF Heat pump certification standard e management of customer complaints by the applicant holder together with the subcontractor e management of inter subcontractor complaints by the applicant holder e regarding design the intellectual property holder must be named this party must inform the other party of any change in the design plans e the subc
221. th reversible heating and cooling and standard versions heating only and for which the commercial references or brands are different from one version to the next is considered to comprise two ranges Tests shall be performed according to the following cases a The certified features stated in the applications are the same for both versions only the products in the reversible version are submitted for testing b The certified features stated in the applications are different for both versions in this case the products in each version are submitted for testing NB Should both versions have the same commercial references or brands and the same stated certified features only one range is taken into consideration The tests are carried out on the reversible version products of the range Certification reference NF 414 Rev 8 Appendix E 4 15 Heat Pump NF mark Gas engine driven HP E 4 TECHNICAL SPECIFICATIONS AND CHARACTERISATION METHODS Principles e The thermal and acoustic performance declarations are verified by specific tests e GUE thresholds are set for certain operating points e Acoustic power thresholds are set for certain HP heating capacity levels e Cold starting is envisaged for certain HP types Operating ranges The operating ranges for each HP are declared by the applicant holder and can be in whole or in part for example an operating point performance matrices given below However as a minimum for the heati
222. the holder The holder shall report in writing to EUROVENT CERTITA any legal modification of the company or any change in the company s name In case of merger liquidation or absorption of the holder all the rights to use the NF Mark from which the holder may benefit cease automatically A new application may be submitted and its examination reduced depending on the modifications 4 4 2 Modification concerning the manufacturing unit The holder shall declare the transfer in writing to EUROVENT CERTITA who organises an audit of the new manufacturing site and if necessary also performs tests Any transfer total or partial of the manufacturing unit of a certified product to a different manufacturing unit brings about an immediate cessation of marking by the holder on the products concerned The visit may be reduced or even unnecessary when the new site is already known by EUROVENT CERTITA The methods for assessing and deciding upon a renewal of the certification are the same as those described for admission in Part 3 4 4 3 Modification concerning the quality organisation of the manufacturing unit The holder shall report in writing to EUROVENT CERTITA any modification regarding its quality organisation that could have an impact on the conformity of production to the requirements of these certification rules modifications regarding its facilities quality plans etc Any certification modification of the quality management system
223. the rated heat output of a supplementary heater Psup is equal to the supplementary capacity for heating sup T 4 If Cdh is not determined by measurement then the default degradation coefficient is Cdh 0 9 Legend Declared and certified Declared for the tested model From 813 2013 added to the fiche Not applicable afnor CERTIFICATION Organisme certificateur 11 rue Francis de Pressens 93571 LA PLAINE ST DENIS Cedex T l 01 41 62 80 00 Fax 01 49 17 90 00 www marque nf com APPENDIX B f Eurovent 2 Certita N Body mandated by AFNOR Certification 48 50 rue de la Victoire 75009 PARIS T l 33 1 75 44 71 71 www certita fr certita certita fr CERTIFICATION REFERENCE NF MARK HEAT PUMP SPECIFIC REQUIREMENTS FOR SWIMMING POOL HPs CONTENTS B 1Applicability B 2Reference documents B 3Definition of systems and ranges B 4Technical specifications and characterisation methods B 5Quality control specifications Rev 8 August 2014 Certification reference NF 414 Rev 8 Appendix B 2 8 Heat Pump NF mark Swimming pool heat pumps B 1 APPLICABILITY This part of the NF HP reference standard details specific provisions for electrically driven heat pumps used for heating swimming pool water for seasonal and or annual use installed outdoors or inside a building The certified characteristics are o The Coefficient of Performance COP o The heating capacity o The absor
224. the relevant box es Variable speed compressor Engine speed variation compressor staging etc LJMultiple speed fan Number ClVariable speed fan Expansion valve with type thermostatic electronic JExchanger cooling operation free cooling Heater Domestic hot water production included in the HP Other equipment or accessories If the equipment mentioned below is not installed on all the models it must be subject to separate right of use applications However we invite you to contact CERTITA to confirm this Reversible cycle cooling operation reversible heat pump L Passive cooling mode operation C Circulation pump for collectors LJMultiple speed circulation pump Number Variable speed pump Circulation pump for the heating circuit LJMultiple speed circulation pump Number Variable speed pump Accumulator buffer tank v requested operating points Depending on the HP categories covered by the application heating and reversible if appropriate swimming pools the requested operating point shall be detailed in the data and characteristics tables given below y Starting point at 15C For Outdoor Air Water type heat pumps an HP starting point must be carried out to validate the operating range To enable the laboratory to conduct the test we ask that you specify below the maximum water temperature for an outdoor temperature of 15 This value will be restated on the NF mark admission
225. their names A 4 3 Differentiation of ranges In the following cases the applicant has to fill in an applicant file for each range e For heat pump which are available in standard version heating mode only or reversible heating and cooling and offering different trade names e For heat pumps that can be installed as they are or with optional equipment indoors or outdoors A 4 4 Models in a range A heat pump which offers both single phase and three phase supply constitutes two models in the same range In this case names or commercial references should allow to differentiate it For heat pump offering options incorporated into the heat pump these constitute different models if such options have an impact on the certified features of the heat pump Certification reference NF 414 Rev 8 Appendix A 4 37 Heat Pump NF mark Heating and cooling A 5 TECHNICAL SPECIFICATIONS AND CHARACTERISATION METHODS A 5 1 Operating ranges RT 2012 matrix lines The operating ranges for each HP are declared by the applicant holder and can be in whole or in part for example an operating point performance matrices given below and taken from RT 2012 as appropriate The applicant holder must at least declare one operating point Intermediate operating points corresponding to intermediate columns of the matrices relative to those provided by the performance matrices below can be declared for certification The lower upstream temperature limit i
226. tics can be optionally certified e The particular characteristics of variable power regulation HPs gt The minimum continuous operation Load Ratio LRcontmin gt The GUE at LRcontmin gt The performance correction coefficient at LRcontmin CcpLRcontmin e The electrical power of the auxiliaries at zero load Paux0 Additionally for the cooling function the following characteristics can also be certified gt The gas utilisation efficiency GUE gt The cooling power The products covered are defined according to the following types e outdoor air water type e glycol water water mix or glycol water e ground water water type D 2 REFERENCE DOCUMENTS The standards mentioned in 2 2 2 are completed by the following NF EN 12309 December 1999 Gas fired absorption and adsorption air conditioning and or heat pump appliances with a net heat input not exceeding 70 kW gt Part 1 December 1999 Safety gt Part 2 August 2000 Rational use of energy e Pr EN 12309 December 2011 Gas fired sorption appliances for heating and or cooling with a net heat input not exceeding 70 kw Part 1 Terms and definitions Part 3 Test conditions Part 4 Test methods Part 5 Requirements e NF EN 14825 November 2013 Air conditioners liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Testing and rating at part load conditions VVV WV Certi
227. tinctive sign permitting accurate identification both of the distributor and the product covered by the NF mark Relies Mane NA Tele ene Or ne Trade name Trade name of the range HP ref model No manufacturer s product XXX e not to make other modifications of detail on the products as manufactured by the company lt manufacturer gt except the following lt modifications gt Any subsequent modification must be notified for agreement to EUROVENT CERTITA beforehand and agreed with the manufacturer e not to modify the aforementioned trade names unless agreed by the manufacturer who holds the right to use the NF Mark e to distribute under these trade names only the products delivered by the company lt manufacturer gt e not to make any modification to the said trade names without having first informed EUROVENT CERTITA thereof by recorded delivery e not to modify any marking on the products done by the manufacturer in accordance with the provisions of the Heat Pump NF certification rules which the undersigned declares to have read e to collaborate with EUROVENT CERTITA on any verification regarding the products in question and their marketing e to apply the measures resulting from penalties taken in conformity with the Heat Pump NF mark certification rules which the undersigned declared to have read e to pay the admission fees provided for by the mark rates as well as further payments which could be
228. ts e complaints e certifying body contact Contract Number Reference usines DOCUMENTS TO DE PROVIDED A copy of the contract in French or English Sheet drawn up on Modification dates Purpose of modification Cosignature Certification reference NF 414 Rev 8 41 42 Heat Pump NF mark STANDARD SHEET 5 DECLARATION OF CONFORMITY the undersigned ooo ccccccccc ccc cecccecnnseeeeeeeee cee eaaeeeeeeeee ce eeeeaeeaeeeecee ce eseeeeeeees ce sseaseaeeeeeeccsssaeaeeeeeeecenestaeaeeeeess Acting as manager of the Ltd Company 4 LL Chairman of the boards 1 LL ue Chairman of the Ltd COMpaNy toc cccccesecsssccsssesssccssssssssssssseesseessees Whose head onite IST share en nd oh anedecn contends taventtam cadet cavteudstaveateted AAEE done et Declare that the products designated by RME TTATe ARE aes cca twee cece te ate et de ont ee Ra a ahs neta th trad Name tisane nant cede ile te net der ne Jen an eff Meet all of the European directives and national regulations in force applicable to the products Moreover undertake to provide EUROVENT CERTITA with any certificate or declaration requested Date and signature of the applicant holder s official representative Delete as necessary Certification reference NF 414 Rev 8 42 42 Heat Pump NF mark STANDARD SHEET 2 TECHNICAL DATA SHEET The technical data sheets to be completed are provided e At the end of Appendix A for electrically
229. type of heat pump to certify a matrix depends of the operating range downstream and upstream temperatures declared as follows e For air water HPs 3 points for a declared line and 1 point per additional line e For other HP types 2 points for a declared line and 1 points per additional line Note Ona line the number of points tested is limited by the number of declared points an applicant holder can certify only one point as a consequent only this point will be tested Note Once the number of points is determined these points can be taken in any lines or any columns Certification reference NF 414 Rev 8 Appendix A 16 37 Heat Pump NF mark Heating and cooling Moreover e Forsome type of heat pumps some of operating points are mandatory for defining flow rates e The performances of the HP are tested according at the pivot point of the RT 2012 matrix if declared e Specific performance of variable regulation HPs are determined at one operating point at the pivot point conditions if declared e The share of electrical power for the auxiliaries is tested at an operating point at the pivot point conditions if declared A 6 3 Choosing of the conditions of tests seasonal performances At average climate For a glycol water water device adjusted at fixed flow rate and temperature only the nominal threshold is necessary part load COP being determined by the calculation e 10 7 C ou O 3 C Nominal point of EN 14511
230. uate the capacity and gas heat input values of the heat pump should be recorded more frequently at intervals equal to 10s or less If the enthalpy method for indoor air is used these data to be recorded more frequently include the inside dry bulb temperature variation For heat pumps that automatically shut down the indoor fan during defrosting a zero value should be assigned to the heating capacity portion measured during the defrosting phases and or the inside dry bulb temperature variation when the indoor fan is shut down if the enthalpy method for indoor air is used If the calorimetric method is used integration of the capacity should be continued when the indoor fan is shut down The difference between the heat transfer fluid temperatures at the indoor heat exchanger inlet and outlet should be measured For each 5 min interval during the data acquisition period a mean temperature differential AT t should be calculated The mean temperature differential for the first 5 minutes of the data acquisition period AT t 0 should be recorded to enable the following percent variation calculation oe 2 ae T o 6 7 5 Test procedure if the warm up period ends with a defrosting cycle If the quantity AT exceeds 2 5 in the first 70 minutes of the data acquisition period the heating capacity test should be considered as a transient mode test see 6 7 7 If the heat pump starts a defrosting cycle during the stabilisation period or d
231. uitability for the function must be performed on one of the appliances selected for determination of thermal performance see 3 1 3 2 under the conditions defined below Certification reference Heat Pump NF mark NF 414 Rev 8 Appendix B Swimming pool heat pumps Y _ Application for year round use 5 8 Low water flow heat pumps AT 5 C Evaporator Swimming pool heating system Min COP Dry bulb Wet bulb Water inlet Water outlet temperature C temperature C temperature C temperature C 15 12 26 i 4 20 7 6 26 31 3 40 2 1 26 i 2 70 The test is performed with the water flow rate determined during the test at 7 P High water flow heat pumps AT 20 Evaporator Swimming pool heating system Min COP Dry bulb Wet bulb Water inlet Water outlet temperature C temperature C temperature C temperature C 15 12 26 4 20 7 6 26 28 3 40 2 1 26 2 70 The test is performed with the water flow rate determined during the test at 7 P Minimum air temperature 2 1 C with a minimum water temperature of 12 C Maximum air temperature 30 20 C with maximum water temperature 26 C For both these conditions the machine must start and operate for 20 minutes A test for suitability for the function must be performed on one of the appliances selected for determination of thermal performance
232. uring the first 70 minutes of the data acquisition period the heating capacity test should be considered as a transient mode test If the above conditions are not met and the test tolerances specified in Table 7 are complied with both during the stabilisation period and the first 70 minutes of the data acquisition period the heating capacity test should be considered as a stabilised mode test Stabilised mode tests should end after 70 min of data acquisition Certification reference NF 414 Rev 8 Appendix EE 25 47 Heat Pump NF mark Gas HP tests 6 7 6 Test procedure if the warm up period does not end with a defrosting cycle 6 7 6 1 If the heat pump starts a defrosting cycle during the stabilisation period or during the first 70 minutes of the data acquisition period the heating capacity test should be restarted in accordance with 6 7 6 3 6 7 6 2 If the quantity AT exceeds 2 5 at any time during the first 70 minutes of the data acquisition period the heating capacity test procedure should be restarted in accordance with 6 7 6 3 A defrosting cycle should be carried out before restarting the test This defrosting cycle may be started manually or delayed until the heat pump starts automatic defrosting 6 7 6 3 If 6 7 6 1 or 6 7 6 2 applies the restart should take place 10 min after the end of the defrosting cycle with a further stabilisation period of one hour This second attempt should comply with the requirements in 6 7 3 and 6 7 4
233. vice certification is governed by the regulations The purpose of this is to make the meaning of labels certification marks etc transparent for consumers and for users Accordingly article R 115 2 of the French Consumer Code stipulates that Where reference is made to certification in advertising on labelling or the presentation of any product or service and in commercial documents of any kind relating thereto the following mandatory information shall be provided to the consumer or user e The designation or company name of the certifying body or the collective certification mark e The name of the certification standard used e The manner in which the certification standard can be consulted or obtained General rules of the NF Mark The purpose of the marking rules given below is to guide the holder in how to meet the regulations and the requirements of the NF mark The general rules of the NF mark specify the conditions of use of validity and the penalties in the event of improper use The holder shall only use the NF mark in any documents paper and electronic format for certified products and only if there is no risk of confusion and interpretation When the holder gives copies of certification documents to someone he has to reproduce it entirely 2 4 2 The NF logo The NF logo must ensure identification of every certified product The NF certified product must bear a designation and identification distinct from non cert
234. will be borne by the applicant 6 2 NF AUTHORISATION APPROVAL AND AUTHORISATION PERIOD EUROVENT CERTITA studies the request checks that it is complete and approves or rejects the NF Authorisation specifying the reasons or adjourns the decision by recommending an additional investigation The Special Committee is informed of the authorisations granted The authorisation is valid for a maximum period of two years 6 3 VERIFICATION AND RENEWAL OF THE AUTHORISATION The authorised laboratory keeps EUROVENT CERTITA regularly informed of the verifications performed by the accreditation body and the decisions the latter makes after these verifications as part of its accreditation follow up This information together with the results of the verifications made under these certification rules systematic and other verifications are examined by EUROVENT CERTITA which after evaluation recommends upholding suspending or withdrawing the NF authorisation for all or part of the tests Any total or partial suspension or withdrawal of accreditation will lead to a new evaluation of the laboratory status regarding the NF mark EUROVENT CERTITA gives a verdict in the light of the investigation performed by the accrediting body and the reasons for refusing accreditation EUROVENT CERTITA lays down the conditions applying to this possible renewal indicating the verifications to be carried out Certification reference NF 414 Rev 8 28 42 Heat Pump
235. x E 10 15 Heat Pump NF mark Gas engine driven HP Type of heat pump subject to the application tick the relevant box es Outdoor air Recycled air HP single unit O ductless indoor installation O ducted indoor installation O ducted outdoor installation Outdoor air Recycled air HP single split O ductless O ducted Outdoor air Recycled air HP multi split O ductless O ducted Outdoor air Water HP single unit 3 v O ductless outdoor installation O ducted indoor installation INFORMATION ON THE HEAT PUMP AND OR ITS VARIOUS SEPARATE COMPONENTS HP installation site tick the relevant box 1 Outdoors C Indoors Note for splits and multi splits The components are considered to be separate by definition One part outdoors and the other part indoors Please specify the location if this is not the case Setting condition of the HP for the requested applications for Expansion Defrost Other if applicable Do settings require work by the applicant LI YES LINO Continuous power regulation HPs if applicable description of means for obtaining the minimum continuous operation load ratio LRcontmin Acoustic if applicable specific installation conditions for the HP Pressure on the air for appliances with ducting give value Certification reference NF 414 Rev 8 Appendix E 11 15 Heat Pump NF mark Gas engine driven HP v Heat pump equipment tick

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