E Economic and Social Council
Contents
1. Paragraph 2 2 3 amend to read deletion of the points at the end of the sentence 122 3 gas fuelling system type by or multi point injection system TRANS WP 29 2005 37 page 3 Paragraph 2 2 4 amend to read TAA sensors and actuators set types Paragraph 2 2 5 amend to read 1225 the fuel container type i e as amended by TRANS WP 29 GRPE 2005 8 liquid take off vapour pressure vapour take off liquid take off pressurized by pump the safety devices and fuel container accessories as required by Regulation No 67 01 series of amendments or Regulation No 110 where applicable i e relief valve Paragraphs 2 2 6 and 2 2 7 should be deleted Paragraphs 2 2 8 and 2 2 9 renumber as paragraphs 2 2 6 and 2 2 7 At the bottom of the page in the note amend the reference to paragraphs 2 2 5 2 2 6 2 2 7 and 2 2 8 to read paragraphs 2 2 4 2 2 5 and 2 2 6 Paragraph 2 2 10 renumber as paragraph 2 2 8 and amend to read 2 2 8 basic software principles and control strategy Paragraph 2 2 11 renumber as paragraph 2 2 9 Paragraph 2 2 12 renumber as paragraph 2 2 10 and amend to read 2 2 10 end user manual see para 7 Paragraph 2 3 amend to read Neo System manufacturer means an organization which can assume technical responsibility for the manufacturing of LPG and CNG retrofit systems and can demonstrate that it possesses the features required and2. Pollutants emissions and CO emissions for category M and N vehicles only Paragraph 6 2 2 1 amend to read 6 2 2 1 estar and No 101 or No 49 5 where applicable in the limits of the requirements of paragraphs 6 2 2 5 and 6 2 2 6 TRANS WP 29 2005 37 page 13 Insert a new paragraph 6 2 2 2 to read 0 2222 In order to prove that the retrofit system is non intrusive as defined in paragraph 2 1 5 the system manufacturer shall provide data and or engineering evaluations which adequately demonstrate that the original air and petrol feed process to the engine is not affected by the installation of the retrofit system Paragraph 6 2 2 2 former renumber as paragraph 6 2 2 3 and amend to read 6 2 2 3 Fuel requirements by the engine the type of fuels normally used by the engine a CNG only b both unleaded petrol or CNG c both diesel fuel or diesel fuel and CNG Paragraph 6 2 2 3 former renumber as paragraph 6 2 2 4 and amend to read 6 2 2 4 Gaseous pollutants means iii oxides of nitrogen the latter being expressed in nitrogen dioxide NO2 equivalent iv particulates etc Paragraph 6 2 4 former renumber as paragraph 6 2 2 5 Insert new paragraphs 6 2 2 5 1 to 6 2 2 5 3 5 to read 6 2 2 5 1 Specific requirements on the Type I test verifying the average exhaust emissions after a cold start as defined in Regulation No 83 05 series of amendments fo
3. UNITED NATIONS E Distr GENERAL TRANS WP 29 2005 37 7 April 2005 Original ENGLISH ECONOMIC COMMISSION FOR EUROPE INLAND TRANSPORT COMMITTEE World Forum for Harmonization of Vehicle Regulations WP 29 One hundred and thirty sixth session 21 24 June 2005 agenda item 4 2 13 PROPOSAL FOR DRAFT SUPPLEMENT 1 TO REGULATION No 115 Specific LPG and CNG retrofit systems Transmitted by the Working Party on Pollution and Energy GRPE Note The text reproduced below was adopted by GRPE at its forty ninth session and is transmitted for consideration to WP 29 and to AC 1 TRANS WP 29 GRPE 49 para 35 It is based on documents TRANS WP 29 GRPE 2005 7 and TRANS WP 29 GRPE 2005 8 both amended TRANS WP 29 GRPE 49 paras 32 and 34 This document is a working document circulated for discussion and comments The use of this document for other purposes is the entire responsibility of the user Documents are also available via the INTERNET http www unece org trans main welewp29 htm TRANS WP 29 2005 37 page 2 Paragraphs 1 4 and 1 5 amend to read 1 4 This Regulation applies to retrofit systems intended to be fitted on vehicles of categories M and N with the exception of a vehicles type approved pursuant to Regulation No 83 approval A and C b vehicles type approved pursuant to Regulation No 83 others than M1 and N1 categories c vehicles type approved pursuant to Regulation No 83 serie
4. NO or CO HC NO according to the requirements the petrol parent vehicle had to comply with at the date of its approval 1 MA MB 2 lt 0 85S 0 4G 2 MA and MB lt G where MA mean value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NO obtained from the three Type I tests with the retrofit system and with Gyo MB mean value of the emissions of one pollutant CO HC NO 4 of the sum of two pollutants HC NOx obtained from the three Type I tests with the retrofit system and with Gos S mean value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NOx obtained from the three Type I tests with the reference petrol G limit value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NO according to the type approval of the vehicle s divided by the deterioration factors Notwithstanding the provisions of paragraphs 6 2 2 5 1 1 to 6 2 2 5 1 3 for non intrusive retrofit system as defined in paragraph 2 1 5 the Type I test shall be carried out only with each CNG reference fuel Subject to the requirements of paragraph 6 2 2 5 1 4 2 the tests shall be repeated three times The test vehicle s with each reference CNG shall comply with the limits values according to the type approval of the vehicle s including the deterioration factors applied during the type approval of the vehicle s 6 2 2 5 1 4 2 6 2
5. displacement Transmission type Vehicle model Type of conversion retrofit LPG or CNG Assembly instruction number General scheme of the 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 TRANS WP 29 2005 37 page 21 7 1 5 2 1 Assembly instructions of all components together with diagrams or photographs showing clearly the layout of the single components within the engine compartment 7 1 5 2 2 Diagram or photograph showing the exact position where the installer shall place the retrofit system type approval plate contained in the conversion kit 1 1 5 2 3 Clear wiring diagram of the electrical system containing the mechanical components to which the wires shall be connected Paragraph 7 2 amend to read Mh End user manual Paragraphs 7 2 4 5 to 7 2 4 7 former renumber as paragraphs 7 2 2 5 to 7 2 2 7 Paragraph 7 2 5 former renumber as paragraph 7 2 3 and amend to read T23 Contents of the end user manual Paragraphs 7 2 5 1 to 7 2 5 5 7 former renumber as paragraphs 7 2 3 1 to 7 2 3 5 7 Paragraph 8 1 amend to read 8 1 Every modification of
6. operations the petrol OBD system shall continue to monitor the original emission related components with the exception of those which are not in use d during CNG operations the CNG ECU shall only monitor for the CNG emission related components as well as their electrical connections Notwithstanding the requirements of paragraph 6 2 4 3 the CNG retrofit system shall be submitted to the following tests which in the case of Type I tests shall be performed according to Annex 11 Appendix 1 of Regulation No 83 05 series of amendments The following tests shall be carried out on one parent vehicle equipped with the CNG retrofit system the CNG ECU shall follow the petrol ECU on fuel strategies e g injection and ignition strategies e g spark plug advance This can be demonstrated by a monitoring diagnostic programme while modifying the signal of one of the petrol system s sensors with an impact on the injection time and on ignition spark plug advance during a Type I test on petrol the original MI shall activate due to the electrical disconnection of any original emission related component during a Type I test on CNG the original MI shall activate due to the electrical disconnection of any original emission related component which is in use during CNG operations The following tests shall be carried out on the parent vehicle s equipped with the CNG retrofit system only on CNG operating mode a during a Type I
7. renumber as 2 6 to 2 21 1 Annex 4 paragraphs 3 1 and 4 1 amend the references 7 1 5 and 7 1 6 to read 7 1 4 2 and 7 1 4 3
8. test electrical disconnection of one CNG emission related component b during a Type I test replacement of one CNG emission related component with a deteriorated and defective one or electronic simulation of such a failure The original MI or automatic switch from CNG mode to petrol mode shall activate before the end of the tests under any of the conditions above 6 2 4 4 2 3 6 2 4 4 2 4 TRANS WP 29 2005 37 page 19 Fault codes due to malfunctions of the CNG emission related components and their electrical connections shall be stored in the CNG ECU The system manufacturer shall provide specific instructions as to read out the CNG fault codes referred to in paragraph 6 2 4 4 2 3 Paragraph 7 1 amend to read Ti Installation manual for the retrofit installation on the vehicle Paragraphs 7 1 3 3 to 7 1 3 5 amend to read 7 1 3 3 7 1 3 4 FA epee The installation manual is part of the retrofit system and shall therefore be provided for each conversion kit The installation manual must 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 PartI i Part containing the description of the sample of retrofit installed on the parent vehicle s and submitted to the tests and inspections of the Authority that grants the type approval ii Part containing the list of components in
9. the necessary means to achieve quality assessment and conformity of production of the retrofit system Insert a new paragraph 2 4 to read A Installer means an organization which can assume technical responsibility for the correct and safe installation of the approved LPG and CNG retrofit system in conformity with respectively paragraphs 6 1 1 3 and 6 2 1 3 of this Regulation 2 Insert a new footnote 2 to read Nae In the bounds of the legislative power of the Contracting Party as stated in paragraph 1 3 of this Regulation in order to ensure a proper qualification of the installer it is recommended to require valid certificates issued by the system manufacturer and or by skilled organizations attesting the personnel s necessary expertise and the workshop s suitability to carry out retrofit system s installation TRANS WP 29 2005 37 page 4 Paragraphs 2 4 to 2 4 1 former renumber as paragraphs 2 5 to 2 5 1 Paragraphs 2 4 1 1 former renumber as paragraph 2 5 1 1 and amended to read PERRE a b c d e f It is produced by the same vehicle manufacturer It is classified in the same category M or M3 or M or N or N or N3 Vehicles of category M and N class I may belong to the same family It is subject to the same emission limits or those specified in earlier series of amendments of the applicable Regulation If the gas fuelling system has a central metering for the whole
10. 1 to 6 1 2 5 1 3 for non intrusive retrofit system as defined in paragraph 2 1 5 the Type I test shall be carried out only with each LPG reference fuel Subject to the requirements of paragraph 6 1 2 5 1 4 2 the tests shall be repeated three times The test vehicle s with each reference LPG shall comply with the limits values according to the type approval of the vehicle s including the deterioration factors applied during the type approval of the vehicle s The number of emission tests to be performed on one LPG reference fuel can be reduced in the conditions hereinafter defined only one test is performed if the result obtained for each pollutant or for the combined emission of two pollutants subject to limitation is less than or equal to 0 7 the emission limit i e M1 lt 0 70 G only two tests are performed if for each pollutant or for the combined emission of two pollutants subject to limitation the following requirements are met M1 lt 0 85 Gand M1 M2 lt 1 70 G and M2 lt G 6 1 2 5 2 6 1 2 5 2 1 6 1 2 5 2 2 6 1 2 5 3 6 1 2 5 3 1 TRANS WP 29 2005 37 page 9 where M1 value of the emission of one pollutant obtained from the first test of the Type I performed M2 value of the emission of one pollutant obtained from the second test of the Type I performed G limit value of the emissions of one pollutant CO HC NO or the sum of two pollutants HC NOx according to the type approva
11. 2 5 2 6 2 2 5 2 1 0 212 3 2 2 6 2 2 5 3 6 2 2 35 3 1 TRANS WP 29 2005 37 page 15 The number of emission tests to be performed on one CNG reference fuel can be reduced in the conditions hereinafter defined only one test is performed if the result obtained for each pollutant or for the combined emission of two pollutants subject to limitation is less than or equal to 0 7 the emission limit i e M1 lt 0 70 G only two tests are performed if for each pollutant or for the combined emission of two pollutants subject to limitation the following requirements are met M1 lt 0 85 Gand M1 M2 lt 1 70 G and M2 lt G where MI value of the emission of one pollutant obtained from the first test of the Type I performed M2 value of the emission of one pollutant obtained from the second test of the Type I performed G limit value of the emissions of one pollutant CO HC NO or the sum of two pollutants HC NO according to the type approval of the vehicle s divided by the deterioration factors Specific requirements on the Type II test carbon monoxide emission test at idling speed for vehicles having a maximum mass exceeding 3 500 kg One CNG retrofit system sample as described in paragraph 2 of this Regulation installed into the parent vehicle as described in paragraph 2 of this Regulation shall be submitted to the type II test procedures described in Regulation No 83 Notwithstanding the provision
12. Type I tests with reference petrol for vehicle No 1 TRANS WP 29 2005 37 page 10 6 1 2 5 3 2 6 1 2 5 3 3 6 1 2 5 3 4 The mean fuel consumption shall be calculated in the same way as for the mean of CO emissions as defined in paragraph 6 1 2 5 3 1 The ratios of CO emissions and fuel consumption shall be calculated as follows Keo2 COatpg CO2petrol Kcons Z Cons pg ConSpetrol for each vehicle of the family the official values of CO2 emissions and fuel consumption are multiplied by the above ratios Notwithstanding the provisions of paragraph 6 1 2 5 3 1 for non intrusive system as defined in paragraph 2 1 5 of this Regulation the value of the petrol CO2 emission may be the official CO emission value of the vehicle s No i Paragraph 6 1 2 5 former renumber as paragraph 6 1 2 6 Paragraph 6 1 3 1 amend to read 6 1 3 1 One LPG retrofit system sample as described in paragraph 2 of this Regulation installed in the parent vehicle s or on the parent engine s shall be submitted to the test procedures of paragraph 6 1 3 2 or 6 1 3 3 The measured power with LPG shall be lower than that measured with petrol 5 per cent Paragraph 6 1 3 2 amend to read 6 1 3 2 Chassis dynamometer method The maximum power at the wheels is measured on a chassis dynamometer on each parent vehicle with the following fuels i reference petrol ii reference LPG A or B The mean of power meas
13. dicated by the retrofit manufacturer as alternatives Part II i Part containing specific installation instructions for vehicles belonging to the family of the parent vehicle s Paragraphs 7 1 3 6 and 7 1 3 7 amend to read 7 1 3 6 7 1 3 7 Part I of the installation manual has to be submitted to the authority that grants the type approval Part II of the installation manual 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 Paragraphs 7 1 4 to 7 1 4 2 amend to read 7 1 4 7 1 4 1 7 1 4 1 1 7 1 4 1 2 Contents of Part I section 1 of installation manual Retrofit system description Operational principles of the retrofit system Operational principles of each component of the retrofit system TRANS WP 29 2005 37 page 20 Paragraphs 7 1 4 1 3 to 7 1 4 2 4 should be deleted Paragraphs 7 1 5 to 7 1 9 1 former renumber as paragraphs 7 1 4 2 to 7 1 4 6 1 Insert new paragraphs 7 1 5 and 7 1 5 2 3 to read leS 7 1 5 1 7 1 5 1 1 7 1 5 1 2 7 1 5 1 3 7 1 5 1 4 7 1 5 1 5 7 1 5 1 6 7 1 5 1 7 7 1 5 1 8 7 1 5 1 9 7 1 5 1 10 7 1 5 1 11 7 1 5 1 12 7 1 5 2 Contents of Part II of installation manual Retrofit system identification Retrofit system approval number Vehicle manufacturer Vehicle category Vehicle type Engine type Engine
14. en approved as a master slave system as defined in paragraph 2 1 6 Paragraphs 3 3 to 3 5 amend to read 3 3 Part I of the installation manual for the retrofit system installation on vehicle s 3 4 End user manual 3 5 A sample of the specific retrofit system properly installed in the parent vehicle s Insert new paragraphs 5 2 and 5 3 amend to read Noi Retrofit systems which have already been approved as non intrusive systems on at least one parent vehicle do not need to comply with paragraph 6 1 2 2 or 6 2 2 2 of this Regulation 5 3 Retrofit systems which have already been approved as master slave systems on at least one parent vehicle do not need to comply with paragraph 6 1 4 4 2 1 or 6 2 4 4 2 1 of this Regulation Paragraphs 5 2 to 5 6 former renumber as paragraphs 5 4 to 5 8 TRANS WP 29 2005 37 page 6 Paragraph 6 1 1 1 amend to read 6 1 1 1 An LPG retrofit system shall consist at least of the following components Paragraph 6 1 1 1 3 amend to read 6 1 1 1 3 End user manual Paragraph 6 1 2 and 6 1 2 1 amend to read 6 1 2 6 1 2 1 Pollutants emissions and CO emissions for category M and N1 vehicles only One LPG retrofit system sample as described in paragraph 2 of this Regulation installed into the parent vehicle s as described in paragraph 2 of this Regulation shall be submitted to the test procedures described in Regulati
15. engine it has an approved power output between 0 7 and 1 15 times that of the engine of the parent vehicle If the gas fuelling system as an individual metering per cylinder it has an appoved power output per cylinder between 0 7 and 1 15 times that of the engine of the parent vehicle Fuel feed and combustion process injection direct or indirect single point or multi point It has the same pollution control system same type of catalyst if fitted three way oxidation de NOx air injection with or without exhaust gas recirculation EGR with or without If the tested vehicle was not equipped with air injection or EGR engines with these devices are allowed Paragraph 2 4 1 2 former renumber as paragraph 2 5 1 2 and amend to read 21 2 With regard to the requirement of paragraph 2 5 1 1 a the vehicle family can also cover vehicles produced by other vehicle manufacturers if it can be demonstrated to the type approval authority that the same engine type and emission strategy is used Paragraph 2 4 1 3 former renumber as paragraph 2 5 1 3 and amend to read Sla With regard to requirement of paragraph 2 5 1 1 d in the case of a central metering for the whole vehicle where a demonstration shows that two gas fuelled vehicles could be members of the same family with the exception of their approved power output respectively P1 and P2 P1 lt P2 and both are tested as if they were parent vehicles t
16. ests for vehicles retrofitted with CNG retrofit system For the purposes of this paragraph the following definitions apply original emission related component means any component in the air inlet exhaust or evaporative system which supplies an input to or receives an output from the petrol controller CNG emission related component means any component in the air inlet exhaust or evaporative system which supplies an input to or receives an output from the CNG controller In the case that there is a need to fit properly the CNG retrofit system in the vehicle it is allowed to simulate the right operation of the original emission related components which are not in use on CNG mode The CNG retrofit system as described in paragraph 2 of this Regulation installed into the parent vehicle s shall comply with the requirements and tests of Annex 11 of Regulation No 83 05 series of amendments on both petrol and CNG modes Specific OBD requirements and tests for master slave retrofit system TRANS WP 29 2005 37 page 18 6 2 4 4 1 6 2 4 4 2 6 2 4 4 2 1 6 2 4 4 2 2 Notwithstanding the requirements of paragraph 6 2 4 3 a Master slave retrofit system shall fulfil the following requirements a the petrol ECU shall remain activated for engine management in both petrol and CNG modes b during petrol operations the petrol OBD system shall remain the only on board diagnostic system of the vehicle c during CNG
17. fying the signal of one of the petrol system s sensors with an impact on the injection time during a Type I test on petrol the original MI shall activate due to the electrical disconnection of any original emission related component during a Type I test on LPG the original MI shall activate due to the electrical disconnection of any original emission related component which is in use during LPG operations The following tests shall be carried out on the parent vehicle s equipped with the LPG retrofit system only on LPG operating mode a during a Type I test electrical disconnection of one LPG emission related component b during a Type I test replacement of one LPG emission related component with a deteriorated and defective one or electronic simulation of such a failure The original MI or automatic switch from LPG mode to petrol mode shall activate before the end of the tests under any of the conditions above Fault codes due to malfunctions of the LPG emission related components and their electrical connections shall be stored in the LPG ECU The system manufacturer shall provide specific instructions as to read out the LPG fault codes referred to in paragraph 6 1 4 4 2 3 Paragraph 6 2 1 1 amend to read 6 2 1 1 A CNG retrofit system shall consist at least of the following components Paragraph 6 2 1 1 3 amend to read 6 2 1 1 3 End user manual Paragraph 6 2 2 amend to read 6 2 2
18. he family relation will be considered valid for any vehicle with an approved power output between 0 7 P1 and 1 15 P2 TRANS WP 29 2005 37 page 5 in the case of an individual metering per cylinder where a demonstration shows two gas fuelled vehicles could be members of the same family with the exception of their approved power output respectively P1 and P2 P1 lt P2 and both are tested as if they were parent vehicles the family relation will be considered valid for any vehicle with an approved power output between 0 7 P1 and 1 15 P2 Insert a new paragraph 2 5 1 4 to read 2 5 1 4 With regard to the requirement of paragraph 2 5 1 1 f in case of a master slave system as defined in paragraph 2 1 6 the family relation will be considered valid regardless of the presence of the air injection or the EGR Paragraphs 2 5 and 2 6 former renumber as paragraphs 2 6 and 2 7 Insert new paragraphs 3 2 5 and 3 2 6 to read 3 2 3 If needed for the purpose of paragraph 5 2 notice of approval of the retrofit system for a parent vehicle which is different from those the approval is applied for certifying that the retrofit system has been approved as a non intrusive system as defined in paragraph 2 1 5 3 2 6 If needed for the purpose of paragraph 5 3 notice of approval of the retrofit system for a parent vehicle which is different from those the approval is applied for certifying that the retrofit system has be
19. here the prescribed limits are exceeded for more than one pollutant or combination of pollutants it is immaterial whether this occurs in the same test or different tests The requirements regarding emissions of the vehicle s equipped with the retrofit system and with the two reference gases shall be deemed to be fulfilled ifthe results meet the following conditions for each regulated pollutant CO HC NOx or CO HC NO according to the requirements the petrol parent vehicle had to comply with TRANS WP 29 2005 37 page 8 6 1 2 5 1 4 6 1 2 5 1 4 1 6 1 2 5 1 4 2 at the date of its approval 1 MA MB 2 lt 0 85S 0 4G 2 MA and MB lt G where MA mean value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NO obtained from the three Type I tests with the retrofit system and with LPG A MB mean value of the emissions of one pollutant CO HC NO 4 of the sum of two pollutants HC NOx obtained from the three Type I tests with the retrofit system and with LPG B S mean value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NOx obtained from the three Type I tests with the reference petrol G limit value of the emissions of one pollutant CO HC NO 4 or the sum of two pollutants HC NO according to the type approval of the vehicle s divided by the detoriation factors Notwithstanding the provisions of paragraphs 6 1 2 5 1
20. iii oxides of nitrogen the latter being expressed in nitrogen dioxide NO2 equivalent iv particulates etc Paragraph 6 1 2 4 former renumber as paragraphs 6 1 2 5 to 6 1 2 5 3 5 and amend to read 6 1 2 5 6 1 2 5 1 6 1 2 5 1 1 6 1 2 5 1 2 6 1 2 5 1 3 Exhaust emissions and CO2 emissions M and N category of vehicles Specific requirements on the Type I test verifying the average exhaust emissions after a cold start as defined in Regulation No 83 05 series of amendments for vehicles having the maximum mass not exceeding 3 500 kg Three measurements of tailpipe emissions shall be performed after a cold start with each fuel i reference petrol ii reference LPG A iii reference LPG B The emissions of CO HC NO and HC NO are calculated according Regulation No 83 4 The test vehicle s equipped with the retrofit system and with the reference petrol shall comply with the limit values according to the type approval of the vehicle s including the deterioration factors applied during the type approval of the vehicle s This condition is deemed to be met if the emissions values for each pollutant or combination of pollutants obtained in each test with reference petrol are less than the limits However one of the three test values obtained may exceed by not more than 10 per cent the limit prescribed provided that the arithmetical mean of the three values is below this limit W
21. ion No 83 Regulation No 49 Insert a new item 11 2 to read ME OBD requirements Has the retrofit system demonstrated to be master slave yes no 2 TRANS WP 29 2005 37 page 23 Annex 1B Addendum Item 1 amend to read vie Vehicles on which the retrofit equipment has been tested Vehicle No 1 2 n Make Type Category Emission limits Power Pollution control system type Item 3 amend to read Be Vehicle type s for which the retrofit equipment type is qualified Fuel Petrol or diesel 1 CNG Vehicle Engine Power CO HC NOx COQ 2 Power CO HC NOx CO 2 type e kW g km g km g km g km kW g km g km g km g km 1 strike out what does not apply 2 Applicable to vehicles of categories M and N only Annex 2A the example of the plate delete Date Annex 2B the example of the plate delete Date Annex 3A Insert new items 2 4 and 2 5 to read 2 4 Non intrusive system yes no 1 2 5 Master slave system yes no 1 Items 2 4 to 2 20 1 former renumber as items 2 6 to 2 22 1 Annex 3B Insert new items 2 4 and 2 5 to read 24 Non intrusive system yes no 1 2 5 Master slave system yes no 1 lt from the figure from the figure TRANS WP 29 2005 37 page 24 Items 2 4 to 2 19 1 former
22. l of the vehicle s divided by the deterioration factors Specific requirements on the Type II test carbon monoxide emission test at idling speed for vehicles having a maximum mass exceeding 3 500 kg One LPG retrofit system sample as described in paragraph 2 of this Regulation installed into the parent vehicle as described in paragraph 2 of this Regulation shall be submitted to the Type II test procedures described in Regulation No 83 Notwithstanding the provisions of Annex 5 of Regulation No 83 05 series of amendments the Type II test shall be performed at the request of the system manufacturer with only one LPG reference fuel chosen at the discretion of the type approval technical service responsible for the test Calculation of the CO2 emissions and fuel consumption for M1 and N1 category of vehicles The emissions of CO are calculated according to Regulation No 101 for each parent vehicle if applicable The mean of CO emissions shall be calculated as follows n CO51 PG ee nai CO gi 2 n C09 petrol ake E 2 CO 2petrol i where i number of parent vehicles i 1 to n COz4i mean value of the emissions of CO obtained from the three Type I tests with the retrofit system and with LPG A for vehicle No i COnpi mean value of the emissions of CO obtained from the three Type I tests with the retrofit system and with LPG B for vehicle No 1 COdpetroi mean value of the emissions of CO obtained from the three
23. nsumption are multiplied by the above ratios 6 2 2 5 3 4 Notwithstanding the provisions of paragraph 6 2 2 5 3 1 for non intrusive system as defined in paragraph 2 1 5 of this Regulation the value of the petrol CO emission may be the official CO2 emission value of the vehicle s No i Paragraph 6 2 2 5 former renumber as paragraph 6 2 2 6 Paragraph 6 2 3 1 amend to read 10 23 thaess to the test procedures of paragraph 6 2 3 2 or 6 2 3 3 The measured power with CNG shall be lower than that measured with petrol 5 per cent TRANS WP 29 2005 37 page 17 Paragraph 6 2 3 2 amend to read 6 2 3 2 Chassis dynamometer method The maximum power at the wheels is measured on a chassis dynamometer on each parent vehicle with the following fuels 1 reference petrol ii reference fuel G20 or G25 The mean of power measurements shall be calculated as follows Insert a new paragraph 6 2 3 4 to read 6 2 3 4 Notwithstanding the provisions of paragraph 6 2 3 1 with regard to the way to calculate the mean of maximum power on petrol in paragraphs 6 2 3 2 and 6 2 3 3 for non intrusive system as defined in paragraph 2 1 5 of this Regulation the value of maximum power on petrol of the vehicle s No i may be the official value Insert new paragraphs 6 2 4 to 6 2 4 4 2 4 to read 6 2 4 6 2 4 1 6 2 4 1 1 6 2 4 1 2 6 2 4 2 6 2 4 3 6 2 4 4 OBD requirements and t
24. ons No 83 4 and No 101 or No 49 5 where applicable in the limits of the requirements of paragraphs 6 1 2 5 and 6 1 2 6 The vehicles and or the engines are also submitted to a maximum power comparison test as described in Regulation No 85 for engines or defined in paragraph 6 1 3 below for vehicles Insert a new paragraph 6 1 2 2 to read 6 1 2 2 In order to prove that the retrofit system is non intrusive as defined in paragraph 2 1 5 the system manufacturer shall provide data and or engineering evaluations which adequately demonstrate that the original air and petrol feed system to the engine is not affected by the installation of the retrofit system Paragraphs 6 1 2 2 and 6 1 2 3 former renumber as paragraphs 6 1 2 3 and 6 1 2 4 and amend to read 6 1 2 3 6 1 2 4 Fuel requirements by the engine the type of fuel normally used by the engine could be a LPG only b both unleaded petrol or LPG c both diesel fuel or diesel fuel and LPG Gaseous pollutants means i carbon monoxide 4 According to Regulation No 83 the series of amendments in force during the initial type approval of the engine 5 According to Regulation No 49 the series of amendments in force during the initial type approval of the engine TRANS WP 29 2005 37 page 7 ii hydrocarbons assuming a ratio CH 85 for petrol CH 86 for diesel fuel CH2 52 for LPG CH to be defined for dual fuel
25. r vehicles having the maximum mass not exceeding 3 500 kg 6 2 2 5 1 1 Three measurements of tailpipe emissions shall be performed after a cold start with each fuel i reference petrol ii reference G20 fuel iii reference G25 fuel The emissions of CO HC NOx and HC NO are calculated according Regulation No 83 4 6 2 2 5 1 2 The test vehicle s equipped with the retrofit system and with the reference petrol shall comply with the limit values according to the type approval of the vehicle s including the deterioration factors applied during the type approval of the vehicle s TRANS WP 29 2005 37 page 14 6 2 2 5 1 3 6 2 2 5 1 4 6 2 2 5 1 4 1 This condition is deemed to be met if the emissions values for each pollutant or combination of pollutants obtained in each test with reference petrol are less than the limits However one of the three test values obtained may exceed by not more than 10 per cent the limit prescribed provided that the arithmetical mean of the three values is below this limit Where the prescribed limits are exceeded for more than one pollutant or combination of pollutants it is immaterial whether this occurs in the same test or different tests The requirements regarding emissions of the vehicle s equipped with the retrofit system and with the two reference gases shall be deemed to be fulfilled ifthe results meet the following conditions for each regulated pollutant CO HC
26. rent vehicle s shall comply with the requirements and tests of Annex 11 of Regulation No 83 05 series of amendments on both petrol and LPG modes Specific OBD requirements and tests for master slave retrofit system Notwithstanding the requirements of the paragraph 6 1 4 3 a Master slave retrofit system shall fulfil the following requirements a The petrol ECU shall remain activated for engine management in both petrol and LPG modes b during petrol operations the petrol OBD system shall remain the only on board diagnostic system of the vehicle c during LPG operations the petrol OBD system shall continue to monitor original emission related components with the exception of those which are not in use d during LPG operations the LPG ECU shall only monitor for the LPG emission related components as well as their electrical connections Notwithstanding the requirements of paragraph 6 1 4 3 the LPG retrofit system shall be submitted to the following tests which in the case of Type I tests shall be performed according to Annex 11 Appendix 1 of Regulation No 83 05 series of amendments The following tests shall be carried out on one parent vehicle equipped with the LPG retrofit system TRANS WP 29 2005 37 page 12 6 1 4 4 2 2 6 1 4 4 2 3 6 1 4 4 2 4 the LPG ECU shall follow the petrol ECU on fuel strategies e g injection This can be demonstrated by a monitoring diagnostic programme while modi
27. s of Annex 5 of Regulation No 83 05 series of amendments the Type II test shall be performed at the request of the system manufacturer with only one CNG reference fuel chosen at the discretion of the type approval technical service responsible for the test Calculation of the CO emissions and fuel consumption for M1 and N1 category of vehicles The emissions of CO are calculated according to Regulation No 101 for each parent vehicle if applicable TRANS WP 29 2005 37 page 16 The mean of CO emissions shall be calculated as follows n CO 2CNG L n 2 q CO 656 a RN 2 n C09 petrol z a z CO 2petrol i where i number of parent vehicles i 1 to n CO2c20 mean value of the emissions of CO2 obtained from the three Type I tests with the retrofit system and with CNG G20 for vehicle No i CO2c25 mean value of the emissions of CO obtained from the three Type I tests with the retrofit system and with CNG G25 for vehicle No i COdpetroi mean value of the emissions of CO obtained from the three Type I tests with reference petrol for vehicle No 1 6 2 2 5 3 2 _ The mean fuel consumption shall be calculated in the same way as for the mean of CO emissions as defined in paragraph 6 2 2 5 3 1 6 2 2 5 3 3 The ratios of CO2 emissions and fuel consumption shall be calculated as follows Kco2 CO2cnG CO2petrot Kcons Conscne CONSpetrol for each vehicle of the family the official values of CO emissions and fuel co
28. s of amendments 01 or 02 or 03 or 04 series d vehicles type approved pursuant to Regulation No 49 series of amendments 01 or 02 or 03 series The requirements for the different categories M N or others are defined in paragraphs 2 to 7 1 Insert a new footnote 1 to read I Regarding safety requirements it is recommended that the minimum requirements of Regulation No 67 01 series of amendments and Regulation No 110 shall apply to all retrofitted vehicles Paragraph 1 5 should be deleted including the footnotes 1 and 2 Paragraphs 2 1 1 and 2 1 2 correct the words installation instructions manual to read instruction manuals Paragraph 2 1 3 amend to read MAES A vehicle is considered mono fuel when after the retrofit operation it is equipped with a petrol tank of capacity lt 15 litres that can only be used to limp home Insert new paragraphs 2 1 4 2 1 5 and 2 1 6 to read 2 1 4 A vehicle is considered bi fuel when after the retrofit it is equipped to operate on both petrol and LPG or CNG with a petrol tank capacity exceeding 15 litres ZLS Non intrusive system means a retrofit system in which the LPG or CNG fuelling system does not change the original air and petrol feed system to the engine 2 1 6 Master slave system means a retrofit system in which the LPG ECU or CNG ECU is able to translate the petrol ECU control strategy in LPG or CNG operation
29. the installation of the specific equipment for the use of LPG or CNG in the propulsion system of the vehicle shall be notified to Annex 1A COMMUNICATION Item 11 1 amend to read I1 1 Emission requirements Has the retrofit system demonstrated to be non intrusive yes no 2 Regulation No 83 series of amendments 3 Regulation No 49 series of amendments 3 Insert a new item 11 2 to read L12 OBD requirements Has the retrofit system demonstrated to be master slave yes no 2 TRANS WP 29 2005 37 page 22 Annex 1A Addendum Item 1 amend to read i Vehicles on which the retrofit equipment has been tested Vehicle No 1 2 n Make Type Category Emission limits Power Pollution control system type Item 3 amend to read 3 Vehicle type s for which the retrofit equipment type is qualified Fuel Petrol or diesel 1 LPG Vehicle Engine Power CO HC NOx CQ 2 Power CO HC NOx CO 2 type type kW g km g km g km g km kW _ g km g km g km g km strike out what does not apply 2 Applicable to vehicles of categories M and N vehicle only Annex 1B Item 11 1 amend to read I1 1 Emission requirements Has the retrofit system demonstrated to be non intrusive yes no 2 series of amendments 3 series of amendments 3 Regulat
30. urements shall be calculated as follows Insert a new paragraph 6 1 3 4 to read 6 1 3 4 Notwithstanding the provisions of paragraph 6 1 3 1 with regard to the way to calculate the mean of maximum power on petrol in paragraphs 6 1 3 2 and 6 1 3 3 for non intrusive system as defined in paragraph 2 1 5 of this Regulation the value of maximum power on petrol of the vehicle s No i may be the official value TRANS WP 29 2005 37 page 11 Insert new paragraphs 6 1 4 to 6 1 4 4 2 4 to read 6 1 4 6 1 4 1 6 1 4 1 1 6 1 4 1 2 6 1 4 2 6 1 4 3 6 1 4 4 6 1 4 4 1 6 1 4 4 2 6 1 4 4 2 1 OBD requirements and tests for vehicles retrofitted with LPG retrofit system For the purposes of this paragraph the following definitions apply original emission related component means any component in the air inlet exhaust or evaporative system which supplies an input to or receives an output from the petrol controller LPG emission related component means any component in the air inlet exhaust or evaporative system which supplies an input to or receives an output from the LPG controller In the case that there is a need to fit properly the LPG retrofit system in the vehicle it is allowed to simulate the right operation of the original emission related components which are not in use on LPG mode The LPG retrofit system as described in paragraph 2 of this Regulation installed into the pa
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