Coolant circulation diagram
HD = high pressure side; ND = low pressure side; 1 - Oil drain plug; 2 - Compressor; 3 - Relief valve; 4 - Air conditioning compressor regulating valve "N280"; 5 - Valve for suction, filling and measuring (high pressure side); 6 - Cork; 7 - Capacitor; 8 - Liquid tank with desiccant; 9 - Connection with valve; 10 - Pressure sensor for air conditioner "G65"; 11 - Expansion valve; 12 - Evaporator; 13 - Cork; 14 - Valve for suction and measurement, low pressure side