Technical requirements and tests Sample Clauses

Technical requirements and tests. 7.1. The engine retrofit system shall fulfil the requirements specified in paragraphs 7.2. to 7.5. 7.2. Requirements for dual-fuel engine retrofit systems intended to be fitted in road vehicles 7.2.1. Engine retrofit systems shall fulfil the requirements specified in Annex 6 of this Regulation. 7.2.2. The engine retrofit system shall pass the applicable tests specified in Annex 6 whenever the engine retrofit system manufacturer applies for an initial approval or for an extension. 7.3. Additional requirements for NG dual-fuel retrofit systems 7.3.1. The specific components of the engine retrofit system shall comply with Regulation No. 110 part I, as applicable. 7.3.2. The installation of an engine retrofit system on an engine shall comply with Regulation No. 110 part II, as applicable, and with the specifications of the engine retrofit system installation manual. 7.4. Additional requirements for LPG dual-fuel retrofit systems 7.4.1. The specific components of the engine retrofit system shall comply with Regulation No. 67 part I, as applicable. 7.4.2. The installation of an engine retrofit system on an engine shall comply with Regulation No. 67 part II, as applicable, and with the specifications of the engine retrofit system installation manual. 7.5. Other additional general requirements 7.5.1. Communication within the vehicle 7.5.1.1. An engine retrofit system may make use of passive CAN communication. 7.5.1.2. Any CAN communication between the engine retrofit system and the original engine and/or vehicle shall be performed in accordance with the applicable ISO/SAE standards. 7.5.1.3. In case the engine retrofit system performs active CAN communication, it shall not increase the CAN bus load by more than 10 per cent (e.g. from 30 per cent to 40 per cent), while the total CAN bus load shall remain less than 80 per cent. 7.5.1.3.1. The CAN bus load shall be tested at rated engine power and speed and at full load at 50 per cent and 75 per cent of rated engine speed. 7.5.2. Functional safety 7.5.2.1. If CAN messages are modified in dual-fuel mode then it shall be demonstrated to the approval authority that the original safety functions of the engine or the vehicle are not inhibited. 7.5.2.2. The specifications of any modified CAN message shall be part of the documentation submitted at type approval.