Regulation No of the Economic Commission for Europe of the United Nations (UN/ECE) Uniform provisions concerning the approval of: I. specific LPG . R is a European retrofit directive for LPG and CNG systems. This directive stipulates the emission, documentation and quality standards to be met by the. ece r pdf Vehicle Technology Division THE NETHERLANDS ( N E D E R L A N D) COMMUNICATION. Concerning(1): approval granted approval extended.

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One CNG retrofit system sample as described in paragraph 2. Fuel requirements by the engine: Defects and repair The user manual shall indicate which actions ee to be taken in the case of a defect of the system.

Two tests are required if, for each pollutant subject to limitation the following requirements are met:. Exhaust emissions test in petrol mode Subject to the requirements of paragraph 6.

Application for approval 4. Same type of catalyst if fitted three-way, oxidation, DeNO x.

Internal combustion engine identification type …. The LPG retrofit system, as described in paragraph 2. A CNG retrofit system shall consist at least of the following components: Container content litres Minimum dimensions of the washers or plates mm Minimum dimensions of the container straps mm Minimum diameter of bolts mm Up to 85 efe One LPG retrofit system sample, as described in paragraph 2.

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Four bolts; and 1.


The installation manual can be divided in two parts: Identification type … 2. Contents of Part I, section a of installation manual 7. The simultaneous use of both fuels is limited in amount or duration. 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.

Sensors and actuators set types; 2. The parent vehicle mass shall be measured with the retrofit system installed on the vehicle including the LPG tank fully filled up or shall be calculated as the sum of the original cee reference mass and the mass of the retrofit system with the LPG tank fully filled up. Description of the parent vehicle. Drawing of the symbol.

Retrofit system approval number; 7. Notwithstanding the requirements of the paragraph 6. The above plate, with approval mark and some technical information on the retrofit system, has to be fixed permanently on the body of exe vehicle.


Exhaust gas recirculation EGR with or without. The ratios of CO 2 emissions and fuel consumption shall be calculated as follows:.

g115 The ratio of engine power shall be calculated as follows: Multi-valve description include drawings …. The following tests shall be carried out on the parent vehicle sequipped with the CNG retrofit system, only on CNG operating mode: Operational principles of each component of the retrofit system. Names and addresses of Technical Services responsible for conducting approval tests, and of Type-Approval Authorities. Working principle and thermodynamic cycle … 1.

ECE regulations: ECE R Supplement 5

List of reference standards 7. Operational principles of the retrofit system. Use the Advanced search.