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Service Air conditioners with refrigerant R1234yf General information Edition 06.2016 Service Department. Technical Information Service List of Workshop Manual Repair Groups Repair Group 00 Technical data 87 Air conditioning system Technical information should always be available to the foremen and mechanics, because their careful and constant adherence to the instructions is essential to ensure vehicle road worthiness and safety. In addition, the normal basic safety precautions for working on motor vehicles must, as a matter of course, be observed. D4B8063201D Audi A1 2011 ➤ , Audi A3 2013 ➤ , Audi A3 Cabriolet 2015 ➤ , Audi A3 Lim Air conditioners with refrigerant R1234yf General information Edition 06.2016 Contents 00 Technical data 1 1 Safety precautions 1 1.1 Safety precautions when working on air conditioners 1 1.2 Safety precautions when handling refrigerants 1 1.3 Safety precautions for working on vehicles with start/stop system 2 1.4 Safety precautions for handling air conditioner service stations 2 1.5 Safety precautions when working on vehicles with high voltage system 3 1.6 Safety precautions when working in the vicinity of high voltage components 4 1.7 Safety precautions when handling pressure vessels 4 2 Laws and regulations 5 2.1 Legal stipulations and directives 5 2.2 Charging the refrigerant circuit with other refrigerants 6 2.3 Occupational Health Safety 6 3 Repair instructions 8 3.1 Rules on cleanliness 8 3.2 Seals for the refrigerant circuit 8 3.3 Refrigerant and refrigerant oil 10 3.4 Handling pressure vessels 12 3.5 Handling refrigerant 13 4 Identification 15 4.1 Label for refrigerant circuit 15 5 Technical data 16 5.1 Refrigerant capacities 16 5.2 Refrigerant oil capacities 16 5.3 Safety data sheets 17 6 Basic technical and physical principles 18 6.1 Basics of air conditioning technology 18 6.2 Physical properties 21 6.3 Product properties 28 6.4 Fun