Economic and Social Council Distr.: General
Contents
1. 2 2 his resulation cavepijon ot apsb es bo volroctibas voyoles oi cabesorpes i M with tbe yehicles specHiednpar 2HaHog Reserved This paragraph is reserved for future requirements for non road mobile machinery agricultural and forestry tractors engines approved according regulation No 96 As defined in Annex 7 to the Consolidated Resolution on the Construction of Vehicles R E 3 document TRANS WP 29 78 Rev 1 Amend 2 as last amended by Amend 4 3 1 3 2 3 3 3 4 3 5 3 6 3 8 3 9 3 13 1 3 13 2 Definitions For the purposes of this Regulation the definitions listed in par 2 of annex 11 of regulation no 49 05 series of amendment and par 2 of annex 15 of regulation no 49 06 series of amendment shall apply unless otherwise stated in the following subparagraphs The following definitions also apply Heavy duty road vehicle means an heavy duty vehicle of categories M and N with the exceptions listed in a to g of par 2 2 equipped with an heavy duty diesel engine for its operation Diesel mode means the operating mode of a dual fuel engine during which the engine does not use any gaseous fuel for any engine operating condition Dual fuel mode means the operating mode of a dual fuel engine during which the engine simultaneously uses diesel fuel and a gaseous fuel at some engine operating conditions Approval of a Heavy Duty Dual Fuel HDDF retrof2. Verification of compliance with the specifications prescribed in paragraph 6 of this Regulation Installation manual s for the HDDF retrofit system End user manual A sample of the specific retrofit system properly installed in the parent engine application s 4 2 Application for approvalofa HP fitted on read yehicles Reserved At The aeplicgiion lor approval of a HODE rowothHieg epave sheli be submited by the releofiied erpeine pigaiiactorer or by fis duby accredited FEDRESeR ASE A It shall be accompanie E 4 3 Appleaton fer appraveal of a HDD retrofitted velicle type with ar apprevedHDDl retrofiHtedensine Reserved LAL E A A Oe e 5 Markings 5 1 Markings of an approved HDDF retrofit system 5 1 1 The sample s of a specific HDDF retrofit system submitted to type approval shall be accompanied by a plate or its drawing with the trade name or mark of the retrofit system manufacturer and the type as indicated in Appendix 2 to Annex 1 5 1 2 All retrofit systems installed on the engines belonging to the application range as defined in paragraph 1 6 of annex 1 shall be identified by an approval mark in which the approval number and the technical specifications as required in Annex 4 shall be placed This approval mark has to be permanently fixed to the engine shall be durable for the useful life of the device and shall be clearly readable and indelible 5 1 3 The approval ma
3. regulation 49 06 series of amendments according to the dual fuel retrofit system type e par 5 1 for type 1B dual fuel retrofit systems e par 5 2 for type 2B dual fuel retrofit systems e par 5 3 for type 3B dual fuel retrofit systems The test results in dual fuel mode shall be multiplied by the applicable deterioration factors unless durability test as specified in par 8 of this annex is carried out Power requirements Parent engine configuration and operational modes The parent engine in the configuration of par 6 2 subparagraph b and c of this annex shall be submitted to the test procedures of paragraph 6 5 2 of this annex The measured power in configuration c shall be lower than that measured in configuration b multiplied by 1 05 Measurement method The maximum power at the crankshaft is measured on an engine dynamometer according to Regulation No 85 engine dynamometer method Power ratio For each engine of the family the official value of the engine power in dual fuel mode shall calculated multiplying the official value in diesel mode by the following ratio Kpower Power qualfuel Powe diesel Where Page 16 of 29 72 7 3 7A Power guaifuel Measured engine power of the parent engine in configuration c of par 6 2 of this annex Power diesel Measured engine power of the parent engine in configuration b of par 6 2 of this annex Requirements and tests for HDDF retrofi
4. 3 2 during ESC and or ELR tests in dual fuel mode using diesel CNG at the request of the manufacturer mass of non methane hydrocarbons NMHC may be measured in place of the mass of hydrocarbons HC In this case the following provisions shall apply the limit of non methane hydrocarbons NMHC is set equal to hydrocarbons HC limit the measured mass of CH4 shall be included in the CO2 emission computation according to par 9 of this annex Limit values and relevant pollutants for ETC cycle The test results as such or corrected according to par 6 3 3 1 of this annex as applicable shall not exceed the limits for all the pollutants listed in table 2 of par 5 2 1 of regulation 49 05 series of amendments The test results in dual fuel mode shall be multiplied by the applicable deterioration factors unless durability test as specified in par 8 is carried out Notwithstanding the requirements of par 6 3 3 during ETC test in dual fuel mode using diesel CNG at the request of the manufacturer the respect of CH4 limit may be derogated In this case the measured mass of CH4 shall be included in the CO2 emission computation according to par 9 of this annex Original parent engine not meeting the engine baseline emission stage Notwithstanding the requirements of paragraphs 6 3 2 and 6 3 3 of this annex if the test results relating to the configuration a of par 6 2 of this annex exceed the applicable limits for one
5. addresses of the technical services responsible for conducting approval tests and of the administrative departments which grant approval and to which forms certifying approval or extension or refusal or withdrawal of approval issued in other countries are to be sent ECE TRANS WP 29 2012 xx Annex 1 Requirements for the approval of HDDF retrofit 1 1 1 1 2 1 1 3 1 1 4 1 1 5 1 1 6 1 1 7 1 1 8 1 1 9 1 1 10 1 1 11 1 2 1 3 1 4 1 5 1 6 1 7 1 8 systems intended to be fitted in road vehicles Definitions For the purpose of this annex the following definitions shall apply in addition to the definitions of par 3 Specific Heavy Duty Dual Fuel HDDF retrofit system means HDDF retrofit systems which do not differ in such respect as Retrofit system manufacturer responsible for retrofit approval application Dual fuel retrofit system type Pressure regulator vaporizer type by the same manufacturer Gas fuelling system type by the same manufacturer i e induction mixer injector device vapour or liquid single or multi point injection system Sensors and actuators set types The fuel container type i e LPG liquid take off vapour pressure LPG vapour take off LPG liquid take off pressurized by pump pressurized CNG take off the safety devices and fuel container accessories as required by Regulation No 67 01 series of amendments or Regulation No 110 where applicab
6. and approval of dual fuel retrofit systems to be fitted in heavy duty road vehicles with compression ignition engines to permit to use of LPG or NG compressed natural gas bio methane liquefied natural gas in dual fuel mode e dual fuel retrofitted engines to be fitted in heavy duty road vehicles equipped with compression ignition engines reserved 2 Scope 2 1 This Regulation applies to dual fuel retrofit systems and dual fuel retrofitted engines intended to be fitted on vehicles of categories M and N with the exception of a Vehicles type approved pursuant to Regulation No 83 b Vehicles with engines type approved pursuant to Regulation No 49 00 or 01 or 02 series of amendments c Vehicles with engines type approved pursuant to Regulation No 49 03 or 04 or 05 series of amendments in accordance with row A of table 1 and 2 of par 5 2 1 of the those regulation d Vehicles type approved pursuant to EC Directive 70 220 EEC e Vehicles with engines type approved pursuant to EC Directive 88 77 EEC up to and including the amending Directive 96 1 EC f Vehicles with engines type approved pursuant to EC Directive 88 77 EEC including the amending Directive 2001 27 CE in accordance with row A of table 1 and 2 of par 6 2 1 of the same directive g Vehicles with engines type approved pursuant to EC Directive 2005 55 EC in accordance with row A of table and 2 of par 6 2 1 of the same directive
7. for displaying the messages referred to in this point may be the same as the ones used for OBD correct operation of NOx control measures or other maintenance purposes The visual element of the dual fuel operating mode indicator shall not be the same as the one used for the purposes of OBD that is the MI malfunction indicator for the purpose of ensuring the correct operation of NOx control measures or for other engine maintenance purposes Safety alerts always have display priority over the operating mode indication The dual fuel mode indicator shall be set to diesel emergency mode as soon as a Switch back to diesel mode is performed and the indication shall remain as long as the diesel emergency mode is active The dual fuel mode indicator shall be set for at least one minute on dual fuel mode or diesel mode as soon as the engine operating mode is changed from diesel to dual fuel mode or vice versa This indication is also required for at least 1 minute at key on or at the request of the retrofit system manufacturer at engine cranking The indication shall also be given upon the driver s request Empty gaseous fuel tank warning system dual fuel warning system A dual fuel vehicle shall be equipped with a dual fuel warning system that alerts the driver that the gaseous fuel tank will soon become empty 5 4 2 1 6 2 6 3 6 3 1 The dual fuel warning system shall remain active until the tank is refuelled to a level abo
8. Modification and extension of the approval of a HDDF retrofit system 9 1 1 Every modification relevant in the context of this Regulation of the retrofit system shall be notified to the authority which granted the type approval The authority will then assess whether or not the retrofit system still complies with the requirements for inclusion in the appropriate family The authority may require a further test report from the technical service responsible for conducting the tests in order to assist in its assessment 9 1 2 Any modification or extension of the application range as defined in par 1 6 of annex 1 is dealt with as a modification or extension of the type approval of the HDDF retrofit system The provisions of par 10 of annex 1 shall be met 9 1 3 Where the type approval authority approves the modification a reference to the formal notification of that approval shall be included in the installation manual for the retrofit system 9 1 4 Confirmation or refusal of approval specifying the alteration shall be communicated by the procedure specified in paragraph 6 above to the Parties to the 1958 Agreement applying this Regulation 9 1 5 The competent authority issuing the extension of approval shall assign a series number for such an extension and inform thereof the other Parties to the 1958 Agreement applying to this Regulation of that number by means of the Communication specified in Annex 5 to this Regulation 9 2
9. Mody a on ane engineReserved 9 3 DD Aod on nd e an on o he DDProO Q H OCH G HRG O G ap PpFOVat 6a reesrdine thenetelletionef a HODE retrofittedenaimeReserved 934 Te be defined 10 Penalties for non conformity of production 10 1 The approvals granted pursuant to this Regulation may be withdrawn if the requirements laid down in annexes 12 er3as appHeable are not complied with 10 2 If a Party to the Agreement applying this Regulation withdraws an approval it has previously granted it shall forthwith so notify the other Contracting Parties applying this Regulation by means of the Communication specified in Annex 5 to this Regulation Page 8 of 29 11 12 12 1 Production definitely discontinued If the holder of the approval completely ceases to manufacture a type of retrofit system a type of HDDF retrofitted engine or a type of HDDF retrofitted vehicle approved in accordance with this Regulation he shall so inform the authority which granted the approval Upon receiving the relevant communication that authority shall inform thereof the other Parties to the 1958 Agreement applying this Regulation by means of the Communication specified in Annex 5 to this Regulation Names and addresses of technical services conducting approval tests and of Administrative departments The Parties to the Agreement applying this Regulation shall communicate to the United Nations Secretariat the names and
10. United Nations GFV 32 02 EC E TRANS GRPE 2013 xx Economic and Social Council Dist General Y Y Date SRF Original English Economic Commission for Europe Inland Transport Committee World Forum for Harmonization of Vehicle Regulations Working Party on Pollution and Energy Draft new Regulation on uniform provisions concerning the approval of specific LPG liquefied petroleum gases or NG compressed natural gas bio methane liquefied natural gas dual fuel retrofit systems and dual fuel retrofitted engines to be installed in heavy duty applications Submitted by the experts from AEGPL Draft rev 00 First issue Regulation No xx Draft new Regulation on uniform provisions concerning the approval of specific LPG liquefied petroleum gases or NG compressed natural gas bio methane liquefied natural gas dual fuel retrofit systems and dual fuel retrofitted engines to be installed in heavy duty applications Contents 1 PUT POSE E A a E iveanipbetewttas 3 2 E0 SP E E NT 3 a BIEDA aE ee ee 4 4 Application for approval eccceescecereeeee ag Percecereentenseccenseeceneecces Mso eseese essees serre 5 5 El 2 ee C E ETT 6 6 A ee en en Serr 76 7 General requirements sssessssessssessssesssee eese D o len etgscersecceseeeceeneseQ accessenseeesseettees 7 8 Conformity of production sesesssesesssesseseesseee MUMMINE aceotezeceeece sadesnclanaedaebecuenyeuadeuedeueaees 87 9 Modificat
11. amending Directive 2001 27 CE Euro V engine means an engine approved regarding exhaust emissions according to row B2 of table 1 and 2 of par 5 2 1 of regulation 49 03 04 or 05 series of amendments or according to row B2 of table 1 and 2 of par 6 2 lof Directive 88 77 EEC including the amending Directive 2001 27 CE EEV engine means an engine approved regarding exhaust emissions according to row C of table and 2 of par 5 2 1 of regulation 49 03 04 or 05 series of amendments or according to row C of table 1 and 2 of par 6 2 lof Directive 88 77 EEC including the amending Directive 2001 27 CE Euro VI engine means an engine approved regarding exhaust emissions according to regulation 49 06 series of amendments Application for approval Application for approval of a HDDF retrofit system intended to be fitted on road vehicles The application for approval of a specific HDDF retrofit system shall be submitted by the retrofit system manufacturer or by his duly accredited representative It shall be accompanied by the under mentioned documents in triplicate and by the following details Description of the retrofit system comprising all the relevant details included the approval numbers of each component referred to in appendix 1 to annex 1 Description of the parent engine on which the requirements of this Regulation are going to be tested Description of all modifications applied to the original parent engine
12. asurement The representative engine equipped with the HDDF retrofit system shall comply with provisions set out in paragraph 6 5 of this Annex CO2 emissions measurement Euro IV V and EEV engines CO2 emission shall be measured on a ESC bench test carried out on a representative engine equipped with a HDDF retrofit system type Euro VI engines CO2 emission shall be measured on a WHSC bench test carried out on a representative engine equipped with a HDDF retrofit system type Vehicle testing Power ratio For each engine sharing with the representative engine the criteria features set out in subparagraphs from 3 1 a to f the official value of the engine power in dual fuel mode shall calculated multiplying the official value in diesel mode by the following ratio Kpower Powe guatfuel Powe diesel Where Power guaifuel Measured engine power of the representative engine in dual fuel mode tested in accordance with paragraph 10 1 1 3 or alternatively with par XXX Power giesel Measured engine power of the representative engine in diesel mode tested in accordance with paragraph 10 1 1 3 or alternatively with par XXX 10 3 12 12 1 12 2 12 2 1 12 2 2 12 2 3 12 2 4 12 2 5 CO2 ratio For each engine sharing with the representative engine the criteria features set out in subparagraphs from 3 1 a to f the official value of CO emissions in dual fuel mode shall be calculated multiplying t
13. ay be provided on vehicles for use by the rescue services or on vehicles designed and constructed for use by the armed services civil defence fire services and forces responsible for maintaining public order Pollutant emissions requirements Measurement methods The emission performance of the parent engine shall be measured using the test procedures associated with the engine baseline emission stage Parent engine configurations and operational modes The parent engine shall be tested in the following configurations and operational modes a diesel mode without the HDDF retrofit system installed original parent engine b diesel mode with the HDDF retrofit system installed c dual fuel mode Euro IV Euro V and EEV parent engines Test cycles Euro IV Euro V and EEV parent engines shall submitted to the following test cycles a ESC Page 14 of 29 6 3 2 1 6 3 2 2 6 3 3 1 6 3 3 2 b ETC c ELR Limit values and relevant pollutants for ESC and ELR cycles The test results as such or corrected according to the par 6 3 2 1 of this annex as applicable shall not exceed the emission limits for all the pollutants listed in table 1 of par 5 2 1 of 05 series of amendments of Regulation No 49 The test results in dual fuel mode shall be multiplied by the applicable deterioration factors unless durability test as specified in par 8 of this annex is carried out Notwithstanding the requirements of par 6
14. by the installer to check whether the system has been assembled in order to safely perform and to abide by the installation instructions Start up procedures The installation manual shall contain the start up operations which shall be performed by the installer Service instructions The installation manual shall contain the maintenance schedule in which all the ordinary service type which the single components as well as the system shall undergo through their working life time in km covered by the vehicle will be specified The installation manual shall specify the expertise necessary for the installation service of the system System malfunction The installation manual shall contain the actions which shall be taken in case the system malfunctions Diagnosis If a diagnosis system is included in the conversion kit the installation manual shall contain a detailed description of such a system together with the corrective actions which may be taken in case of malfunctioning Contents of Part II of installation manual HDDF retrofit system identification HDDF retrofit system approval number Vehicle manufacturer Vehicle category Vehicle type 12 4 1 5 12 4 1 6 12 4 1 7 12 4 1 8 12 4 1 9 12 4 1 10 12 4 1 11 12 4 1 12 12 4 2 12 4 2 1 12 4 2 2 12 4 2 3 12 4 3 13 13 1 13 2 13 2 1 13 2 2 13 2 3 13 2 4 Engine type Engine displacement Transmission type Vehicle mode
15. ditions that approximate to 10 idle 10 transient operation 75 high speed high load operation and 5 low speed medium load operation The content of the test is as follows 1000 hours of operation of the HDDF with recording of all relevant operating data of the engine concerned including type and consumption of fuel and continuous second by second data logging of exhaust temperature type and consumption of fuel In the case of a field test the HDDF retrofit system must be sealed by the Technical Service and the data logging shall be carried out by the system manufacturer or by the operator of the vehicle or machine on which the endurance test is performed The parent engine and the HDDF retrofit system submitted to the durability test shall be used to demonstrate the exhaust emission requirements as specified in par 6 of this annex CO emissions For each member of the family the official value of CO emissions in dual fuel mode shall be calculated multiplying the official value in diesel mode by the following factor Kcoz CO2pr CO2cHape CO2DESEL where CO2p is the measured value of the CO emissions of the parent engine tested in configuration c of par 6 2 of this annex over the ESC test CO2cHapr is the CO2 equivalent emission of CH emissions of the parent engine tested in configuration c of par 6 2 of this annex over the ESC test CO2pwseL is the measured value of the CO emissions of the parent engine te
16. e manufacturer of the system shall include all the necessary information that is needed for correct use and safe operation of the HDDF retrofit systems The user manual shall be considered as an integral part of the system and therefore be delivered with the HDDF retrofit systems Page 22 of 29 13 2 5 13 2 6 13 2 7 13 3 13 3 1 13 3 2 13 3 3 13 3 4 1339 13 3 5 1 13 3 5 2 13 3 5 3 The user manual shall be written in the language of the country to which the system is delivered The user manual shall indicate reference to the product type and version and production year for which it is applicable Information shall be given for relevant extreme ambient conditions Contents of the end user manual Technical specifications The user manual shall contain at least the following information a Operating characteristics b Performance under normal operating conditions c Extreme ambient conditions Safety instructions The user manual shall give warning for dangers to health and safety categorised in the following way a SUGGESTIONS for optimal use of the system b ATTENTION for possible problems due to misuse c WARNING for damage to persons or goods when procedures are not followed If and when safety symbols are used they shall be in accordance with the international system SI and their purpose shall be clearly specified in the user manual The user manual shall indicate proper acti
17. e user manual shall indicate which actions have to be taken in the case of a defect of the system When the system is equipped with a diagnosis system the user manual shall describe this system and indicate proper actions to be taken Scrapping of the product The user manual shall give proper indication that the HDDF retrofit system shall be removed from the vehicle by an installer Page 24 of 29 Annex 1 Appendix 1 Information document on HDDF retrofit system intended to be fitted in road vehicles Annex 1 Appendix 2 Arrangement of the HDDF retrofit system type approval mark XXX R 00 0000 bo joo U Ja The above approval mark affixed to the plate of HDDF retrofit system shows that it has been approved in Italy E3 pursuant to Regulation No XXX under approval number 000000 The first two digits of the approval number indicate that approval was granted in accordance to the requirement of Regulation No XXX in its original form XXX R 00 0000 NAME OR TRADE MARK serrr The above plate with approval mark and some technical information on the HDDF retrofit system has to be permanently fixed on the body of the vehicle Page 26 of 29 Annex 1 Appendix 3 Communication Annex 1 Appendix 4 Addendum to the Communication Application range of the HDDF retrofit system Approval No ceceesceeceeseeeneeeeeeeens Extension NO ceseecceeeeeesteceneeeseees 1 0 Application range of the approved HDDF retrof
18. ed in accordance with the relevant series of amendments to Regulation No 49 ETC means a test cycle consisting of 1800 second by second transient modes defined in and to be applied in accordance with the relevant series of amendments to Regulation No 49 Scan tool means an external test equipment used for off board communication with the NCD system Generic scan tool means a scan tool which is publicly available and which shall be capable to read failure messages Proprietary scan tool means a scan tool which is used only by the REC manufacturer and its authorized dealership and which shall be capable to Page 4 of 29 3 17 4 1 2 1 4 1 2 2 4 1 2 3 4 1 2 4 4 1 2 5 4 1 2 6 4 1 2 7 read failure messages and to enable an engine start after activation of the operator inducement system WHSC means a test cycle consisting of 13 steady state modes defined in and to be applied in accordance with the relevant series of amendments to Regulation No 49 WHTC means a test cycle consisting of 1800 second by second transient modes defined in and to be applied in accordance with the relevant series of amendments to Regulation No 49 Euro IV engine means an engine approved regarding exhaust emissions according to row B1 of table 1 and 2 of par 5 2 1 of regulation 49 03 04 or 05 series of amendments or according to row B1 of table 1 and 2 of par 6 2 1 of Directive 88 77 EEC including the
19. etrofit system type part pursuant to this Regulation shall be communicated to the Parties to the Agreement applying this Regulation by means of a form conforming to the model in Appendix 3 to Annex to this Regulation 6 1 4 In addition to the Notice specified in par 6 1 3 when applicable the application range of the approved HDDF retrofit system shall be communicated to the Parties to the Agreement applying this Regulation by means of a form conforming to the model in Appendix 4 to Annex 1 to this Regulation 6 2 Approval of a TATRA regpofied cnaipe iatopded do be Titre om roed vehicles Reserved 6 3 Approve oF a BDH retrofitted pele type yb ema approved HEE retrofitted engine Reserved SAL To sedetined 7 General requirements 7 1 HDDF retrofit system intended to be fitted on road vehicles 7 1 1 The components of NG HDDF retrofit systems shall comply with Regulation no 110 as applicable ME The components of LPG HDDF retrofit systems shall comply with Regulation no 67 as applicable 7 1 3 All requirements of Annex 1 shall be met ARa 0 A ragepapesiy ot Assos 2 sgae Bo pisi 7 3 HDD Rerofitted shiclewithade DD retrofiHedensineReserved G1 All ponies Gt Assos 3 sbl oo pyet 8 Conformity of production The conformity of production procedures shall comply with those set out in the 1958 Agreement appendix 2 E ECE 324 E ECE TRANS 505 Rev 2 9 Modification and extension of approvals 9 1
20. he official value in diesel mode by the following factor Kcoz CO2pr CO2cHapr CO2 preset where CO2pr is the measured value of the CO emissions of the representative engine in duel fuel mode tested in accordance with par 10 1 1 4 or alternatively with par XXX CO2cHapr is the CO2 equivalent emission of CH emissions of the representative engine in dual fuel mode tested in accordance with par 10 1 1 4 or alternatively with par XXX CO2prrset is the measured value of the CO emissions of the representative engine in diesel mode tested in accordance with par 10 1 1 4 or alternatively with par XXX CO2cHapr shall be included only if by virtue of par 6 3 2 2 CH4 emissions are counted as CO equivalent emissions It results from the following formula CO2cHapr CH4 pF x 23 where CH4pr is the measured value of CH emissions of the representative engine in dual fuel mode tested in accordance with par 10 1 1 4 or alternatively with par XXX Installation manual Scope The scope of this paragraph is to list the minimum requirements which shall be contained in the installation manual General requirements The installation manual has the purpose to guide the installer through the correct procedures which shall be observed while assembling the HDDF retrofit systems The installation manual shall be prepared by the HDDF retrofit system manufacturer The installation manual is part of the retrofit system and theref
21. ion and extension of approvals eseseeseseseeeteserssrsesssersstsrrssressrseresrensessresreesesee 87 10 Penalties for non conformity Of production eee eeeceeeeeeeececeseceeeeeeeeeeaeecaeceaeeeeeeeeaeeesaeens 8 11 Production definitely discontinuedh Suis ceeee es ARMM ocr esceeeeccesseecoeeescerseecensees 98 12 Names and addresses of technical services conducting approval tests and of Administrative departments 3 A SRM ecco se cececeescerseccetsetcoeteseetteceessers 98 Annex Requirements for the approval of HDDF retrofit systems intended to be fitted in road 1 A i 109 Annex 1 Appendix 1 Information document on HDDF retrofit system intended to be fitted in road n C A EEEE E A 2524 Annex Appendix 2 Arrangement of the HDDF retrofit system type approval mark 2625 Annex AppendikaSp p CommUMCation SSRREIIIY 2 cescceccesscenseecessceceeteccessaceessensontescenteccensens 2726 Annex Appendix 4 Addendum to the Communication Application range of the HDDF retrofit SAEI eaa hey E eu ancl asa neh lage ad E E T 2827 Ann g DRRR CSCIVEC 20 0 0 SA MMMM sos cssccscsvessenscosecsccscsssessnseouseasessessenseasenseescossensonconesscessesss 2928 Annex 3 Reerved SA Me ccccccscccsssescsesesssesesesesesesesesesescsesesesesesesesssesesesssasesesssasesessees 2928 Page 2 of 29 1 Purpose This regulation provides a harmonized method for the classification evaluation
22. it system All the vehicles equipped with engines fulfilling the criteria features below are qualified for the approved HDDF retrofit system Criteria features 1 parent engine Criteria features 2 Extension 1 Engine manufacturer Fuel supply type Combustion cycle and cooling medium Engine baseline emission stage Method of air aspiration Approved output power range kW cylinder Water air injection Pollution control sistems e exhaust after treatment system e Air injection yes no e EGR yes no Kcoz Kopowe if applicable Strike out what doesn t apply Page 28 of 29
23. it system means the approval of a retrofit system intended to be installed in heavy duty engine applications to permit operation in dual fuel mode Approval of a Heavy Duty Dual Fuel HDDF retrofitted engine means the approval of an engine originally designed and approved to operate with diesel fuel only as a separate technical unit that in addition can simultaneously operate with diesel fuel and a gaseous fuel both fuels being metered separately where the consumed amount of one of the fuels relative to the other one may vary depending on the operation Approval of a Heavy Duty Dual Fuel HDDF retrofitted vehicle means the approval of a vehicle with regard to the installation of a retrofitted HDDF engine Retrofit system manufacturer means the person or body who is responsible to the approval authority for all aspects of the type approval of the retrofit system and for ensuring conformity of production HDDF retrofitted engine manufacturer means the person or body who is responsible to the approval authority for all aspects of the type approval of the HDDF retrofitted engine and for ensuring conformity of production HDDEF retrofitted vehicle manufacturer means the person or body who is responsible to the approval authority for all aspects of the type approval of the HDDF retrofitted vehicle and for ensuring conformity of production ESC means a test cycle consisting of 13 steady state modes to be appli
24. l Type of fuel Assembly instruction number General scheme of the HDDF retrofit system containing the following information of each component a Identification number b Manufacturer s code c Type approval if it exists d For the containers capacity manufacturer type date of expiry or replacement date if it exists Description including drawings if applicable of the fitting devices of the container installation on the vehicle Installation instructions Assembly instructions of all components together with diagrams or photographs showing clearly the layout of the single components within the engine compartment Diagram or photograph showing the exact position where the installer shall place the retrofit system type approval plate contained in the conversion kit Clear wiring diagram of the electrical system containing the mechanical components to which the wires shall be connected Scrapping of the product The manual shall give proper indication to the installer about precautions to be taken when the system has to be removed from the vehicle End User manual Scope To specify the minimum requirements of the end user manual for HDDF retrofit systems maintenance General requirements The user manual has the purpose to inform the end user about the characteristics and safety features of the installed HDDF retrofit systems The user manual shall be prepared by the HDDF retrofit system manufacturer Th
25. le i e relief valve Fuel container fitting devices ECU type by the same manufacturer Basic software principles and control strategy Installation manual End user manual Original engine means an engine without the installation of the HDDF retrofit system The engine family is a set of engines sharing relevant characteristics regarding the installation and the operation of the retrofit system The family definition is based on the original engine characteristics The parent engine means an engine that is selected to act as the engine on which the requirements of this Regulation are going to be demonstrated and to which the members of a family refer A member of the family is an engine belonging to the same family of the parent engine Application range means the set of engines on which the type approved HDDF retrofit system can be installed Installer means an organization which can assume technical responsibility for the correct and safe installation of the approved HDDF retrofit system in conformity with paragraphs 12 of this annex Engine baseline emission stage means the emission limits for the stage to which the original engine was approved 1 9 1 10 2 2 2 2 1 2 3 Engine system means the engine the emission control system and the communication interface hardware and messages between the engine system electronic control unit s ECU and any other powe
26. ocharged or normally aspirated engine f an approved power output per cylinder between 0 7 and 1 15 times that of the parent engine g water and or air injection h pollution control system i exhaust after treatment system ii with or without air injection ii with or without exhaust gas recirculation EGR If the parent engine is not equipped with one or more devices listed above engines with these devices are allowed 322 4 2 4 3 4 4 5 1 5 1 1 5 1 2 5 2 5 The criteria of paragraph 3 1 a applies only to engines pursuant to the baseline emission stage in force at the time of the request of HDDF retrofit system type approval Application range The application range is defined by the engine family to which the parent engine belongs The application range may be extended to engines which differ from the parent engine as for one or more of the criteria features set out in subparagraphs from 3 1 a to f A representative engine which differs from the parent engine only for these criteria features shall comply with the requirements set out in par 10 of this annex If the representative engine meets the requirements of par 10 of this annex the application range is extended to the engines sharing with it the criteria features set out in subparagraphs from 3 1 a to f The application range table as defined in Appendix 4 to this Annex is updated in order to include also the criteria fea
27. ons to be taken in case the vehicle is repainted and put in a hot drying cabin HDDF retrofit systems description All the components of the HDDF retrofit systems shall be clearly described for their purpose use and function First use and adjustment of the HDDF retrofit systems The user manual shall contain all the necessary information to the end user about initial running in and or adjustment of the system when needed Operating of the HDDF retrofit systems Filling of the HDDF retrofit systems The user manual shall indicate the sequence of operations needed to fill up the gas containers Particular attention shall be paid to the maximum filling level of the 80 per cent in case of LPG Switch over procedure The user manual shall clearly describe the method of switching over from one mode to the other by giving the sequence of operations Opening closing of manual valves When fitted the user manual shall indicate the proper procedure to operate the manual valves 13 3 5 4 13 3 5 5 13 3 5 6 13 3 5 7 Level indicator The user manual shall state the location of the level indicator for example at the dashboard or at the container Its read out has to be clearly explained to the user giving particular attention to the 80 per cent filling level in case of LPG Maintenance If maintenance is required the user manual shall state the frequency and type of maintenance to be carried out Defects and repair Th
28. or more pollutants the test results for such pollutants relating to the configurations b and or c of par 6 2 of this annex may be corrected according to the following formula Res ReSxmeas RESx a Lim where Res is the corrected test result of pollutant x to be applied in par 6 3 2 and or 6 3 3 of this annex as for the configurations b or c of par 6 2 of this annex ReSxmeas is the test result of pollutant x in the configurations of par 6 2 of this annex subparagraphs b and c Res a is the test result of pollutant x in the configuration of par 6 2 of this annex subparagraph a 6 4 6 4 1 6 4 2 6 4 3 6 5 6 5 1 Lim is the applicable limit of pollutant x in the configuration of par 6 2 of this annex subparagraph a This provision is applicable only at request of the retrofit system manufacturer if both the following conditions are met a it can be demonstrated that no other equivalent engine can be submitted as parent engine for type approval of the HDDF retrofit system b no confirmed and active DTC in original OBD system Euro VI parent engines Test cycles Euro VI and later parent engines shall be submitted to the following test cycles a WHSC b WHTC Limit values and relevant pollutant for WHSC and WHTC cycles The test results as such or corrected according to par 6 4 3 of this annex shall be below the limits listed in the following paragraphs of annex 15 of
29. ore shall be available to the installer for each conversion kit The installation manual shall be written in the language of the country to which the conversion retrofit will be delivered or at least in English The installation manual can be divided in two parts Part I a Part containing the description of the sample of the HDDF retrofit system Page 20 of 29 12 2 6 12 2 7 12 3 12 3 1 12 3 1 1 12 3 1 2 12 3 2 12 3 2 1 12 3 3 12 3 3 1 12 3 4 12 3 4 1 12 3 4 2 12 3 5 12 3 5 1 12 3 6 12 3 6 1 12 4 12 4 1 12 4 1 1 12 4 1 2 12 4 1 3 12 4 1 4 b Part containing the list of components indicated by the retrofit system manufacturer as alternatives Part IT a Part containing installation instructions for the specific vehicle Installation manual of the parent vehicle has to be submitted to the authority that grants the type approval Installation manual of the vehicles belonging to the family has to be filed by the retrofit system manufacturer for a time to be determined in accordance with the authority that grants the type approval Contents of Part I section a of installation manual HDDF retrofit system description Operational principles of the HDDF retrofit system Operational principles of each component of the HDDF retrofit system Proper assembly check The installation manual shall contain the detailed procedures and actions which shall be taken
30. rk shall consist of 5 1 3 1 A circle surrounding the letter E followed by the distinguishing number of the country which has granted the approval 5 TS The number of this Regulation followed by the letter R a dash and the approval number to the right of the circle defined in paragraph 5 1 3 1 The approval number consists of the retrofit system type approval number which appears in the communication form for this type see paragraph 6 2 and Annex 5 preceded by two figures indicating the latest series of amendments to this Regulation 5 2 arkings of an appre technicalumit Reserved 5 3 Berlings ef a rotrofHteod HDI yobielo erica a HODE petrol od epee Reserved 53 Fo be defined Page 6 of 29 6 Approval 6 1 Approval of a HDDF retrofit system intended to be fitted on road vehicles 6 1 1 Type approval shall be granted if the HDDF retrofit system meets the requirements of this Regulation 6 1 2 An approval number shall be assigned to each type of the retrofit system approved Its first two digits at present 00 according to the Regulation in its original form shall indicate the series of amendments incorporating the most recent major technical amendments made to the Regulation at the time of issue of the approval The same Contracting Party shall not assign the same type approval number to another type of retrofit system 6 1 3 Notice of approval or of refusal or of extension of approval of a r
31. ronics fuel quantity and timing actuator s shall be monitored for circuit continuity i e open circuit or short circuit and total functional failure when the engine operates in dual fuel mode As soon as the gas diagnostic system concludes that the malfunction is no longer present or when the OBD information is erased by a scan tool the dual fuel mode may be reactivated Abnormality of gas consumption This case is applicable only to DHHF retrofit systems intended to be fitted on Euro VI or later engines In the case of an abnormality of gas consumption in dual fuel mode the fault codes due to abnormality of gas consumption shall be stored in the gas ECU The system manufacturer shall provide specific instructions as to read out the fault codes through the OBD bus As soon as the gas diagnostic system concludes that the malfunction is no longer present or when the OBD information is erased by a scan tool dual fuel mode may be re activated Dual fuel indicators Dual fuel operating mode indicator Dual fuel engines and vehicles shall have a visual indicator indicating to the driver the mode under which the engine operates dual fuel mode diesel mode or when applicable service mode The characteristics and the location of this indicator are left to the decision of the retrofit system manufacturer and may be part of an already existing visual indication system This indicator may be completed by a message display The system used
32. rtrain or vehicle control unit Dual fuel retrofit system type means the dual fuel type as defined in par 2 of annex 11 of regulation 49 05 series of amendments or par 2 of annex 15 of regulation 49 06 series of amendments as applicable resulting from the operation of the HDDF retrofit system installed on the parent engine Determination of dual fuel retrofit system type Euro IV Euro V and EEV parent engines In order to determine the dual fuel retrofit type the Gas Energy Ratio GER as defined in par 2 1 of annex 11 of Regulation 49 05 series of amendments shall be calculated over the ETC test cycle specified in par 6 3 1 b The dual fuel retrofit type shall be confirmed over the ESC test cycle specified in par 6 3 1 a Euro VI parent engines In order to determine the dual fuel retrofit type the Gas Energy Ratio GER as defined in par 2 1 of annex 15 of Regulation 49 06 series of amendments shall be calculated over the hot part of the WHTC test cycle Only dual fuel retrofit system types 1B 2B and 3B are permitted to be type approved in accordance with this regulation Engine family An engine belongs to the same engine family if shares the following criteria features with the parent engine a engine manufacturer b fuel supply type mechanical pump or electronic controlled injection c combustion cycle and cooling medium d engine baseline emission stage e method of air aspiration turb
33. ssion related component with a deteriorated and defective one or electronic simulation of such a failure Fault codes referring to malfunctions of the gas emission related components and their electrical connections shall be stored in the dual fuel ECU The fault codes shall be available through the OBD bus or through a dedicated communication line The system manufacturer shall provide specific instructions as to read out the LPG fault codes referred to in paragraph 7 3 of this annex in case of a dedicated communication line Durability requirements The applicant shall declare that the HDDF retrofit system when used and maintained according to the manufacturer s instructions will comply with the applicable provisions during normal operation over a useful life of a for category M2 and M3 and N vehicles a mileage of 200 000 km or a service life of 6 years whichever occurs first b for all other applications 4 000 operating hours or a service life of 6 years whichever occurs first 8 2 8 3 8 4 10 10 1 The applicant shall conduct a 1000 hours durability test on the parent engine equipped with the HDDF retrofit system This test shall be either a field test in a typical vehicle or machine application agreed between the Type Approval Authority and the applicant or a test on an engine test bed using an appropriate duty cycle In the case of testing on an engine test bed the aging cycle load and speed shall include con
34. sted in configuration b of par 6 2 of this annex over the ESC test CO2cHapr shall be included only if by virtue of par 6 3 2 2 CH4 emissions are counted as CO equivalent emissions It results from the following formula CO2cHapr CH4 pr x 23 where CH4pr is the measured value of CH emissions of the parent engine tested in configuration c of par 6 2 of this annex over the ESC test Extension of the application range Tests and requirements A representative engine as defined in par 4 2 shall be tested in accordance with the provisions set out in par 10 1 1 or alternatively in par 10 1 2 at the choice of the HDDF retrofit system manufacturer Page 18 of 29 10 1 1 10 1 1 1 10 1 1 1 1 10 1 1 1 2 10 1 1 2 10 1 1 3 10 1 1 4 10 1 1 4 1 10 1 1 4 2 10 1 2 10 2 Engine testing Emission tests Euro IV V and EEV engines An ESC bench test shall be carried out on a representative engine equipped with a HDDF retrofit system type The test procedures and results shall comply with the applicable provisions of par 6 3 Euro VI engines An WHSC bench test shall be carried out on a representative engine equipped with a HDDF retrofit system type The test procedures and results shall comply with the applicable provisions of par 6 3 OBD requirements and tests The representative engine equipped with the HDDF retrofit system shall comply with provisions set out in paragraph 7 of this Annex Power me
35. t system OBD The HDDF retrofit system shall implement an OBD system which comply with the following requirements a During diesel operations the diesel OBD system shall remain the only on board diagnostic system of the vehicle The MI shall activate in case of detected malfunction b During dual fuel operations the diesel OBD system shall continue to monitor the original emission related components in use The MI shall activate in case of a detected malfunction c During dual fuel operations the dual fuel ECU shall only monitor the dual fuel emission related components as well as their electrical connections If the dual fuel ECU detects a malfunction the switch to diesel mode shall be performed as soon as possible Operation in dual fuel mode shall not be possible until the cause of the malfunction is removed and a clear visual or acoustic signal shall inform the driver about this situation The DHHF retrofit system OBD shall be submitted to the following tests carried out on the parent engine a In diesel mode the original malfunction indicator MI shall activate due to the electrical disconnection of any original emission related component b In dual fuel mode the original MI shall activate due to the electrical disconnection of any original emission related component which is in use during dual fuel operations c In dual fuel mode the automatic switch to diesel mode shall occur due to replacement of any dual fuel emi
36. tures of the representative engine Operating modes of dual fuel engines and vehicles Conditions for a dual fuel engine to idle using diesel fuel exclusively Type 1B dual fuel engines shall not idle using diesel fuel exclusively in dual fuel mode Types 2B and 3B dual fuel engines may idle using diesel fuel exclusively Conditions for a dual fuel engine to warm up or start using diesel fuel exclusively in dual fuel mode A Type 1B Type 2B or Type3B dual fuel engine may warm up or start using diesel fuel solely However in that case it shall operate in diesel mode The strategy shall cease to be active when the coolant temperature has reached a temperature of 343 K 70 C or within 15 minutes after it has been activated whichever occurs first Operability Restriction A HDDF retrofit system when operating in a dual fuel mode shall be designed so as to permit in case of unavailability of gaseous fuel the switch back to diesel mode The switch back shall occur as soon as possible in all cases listed in par 5 3 1 of this annex The unavailability of gaseous fuel when operating in dual fuel mode shall provide for the following cases Empty gaseous fuel tank When the gas availability in the tank exceed the level that justified the activation of the switch back the dual fuel mode may be reactivated Malfunctioning gas supply Page 12 of 29 5 4 5 4 1 5 4 1 1 5 4 1 2 5 4 2 The gas injection system elect
37. ve which the warning system is activated The dual fuel warning system may be temporarily interrupted by other warning signals providing important safety related messages It shall not be possible to turn off the dual fuel warning system by means of a scan tool as long as the cause of the warning activation has not been rectified Characteristics of the dual fuel warning system The dual fuel warning system shall consist of a visual alert system icon pictogram etc left to the choice of the manufacturer It may include at the choice of the manufacturer an audible signal In that case the cancelling of that signal by the driver is permitted The visual element of the dual fuel warning system shall not be the same as the one used for the OBD system that is the MI malfunction indicator for the purpose of ensuring the correct operation of NOx control measures or for other engine maintenance purposes In addition the dual fuel warning system may display short messages including messages indicating clearly the remaining distance or time before the activation of the operability restriction The system used for displaying the messages referred to in this paragraph may be the same as the one used for displaying additional OBD messages messages related to correct operation of NOx control measures or messages for other maintenance purposes A facility to permit the driver to dim the visual alarms provided by the warning system m
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