System Overview - Refrigerant Circuit With RESTRICTOR And Reservoir

• The following illustration shows a refrigerant circuit with an evaporator as an example.
• The layout of the refrigerant circuit may show differences which are vehicle-specific. Refer to Refrigerant Circuit (vehicle-specific service information).

The arrows indicate the refrigerant flow direction.

HD = high pressure side

ND = low pressure side

Fig 1: Exploded View Of Refrigerant Circuit

Courtesy of AUDI OF AMERICA, LLC

1. A/C Compressor Regulator Valve -N280-
   • Only for mechanical A/C compressor
2. A/C Compressor
3. Belt Pulley
   • Depending on vehicle equipment with A/C Clutch -N25-
4. Pressure Relief Valve
5. Condenser
6. Refrigerant Pressure Sensor
   • Vehicle-specific version. Refer to Refrigerant Circuit .
7. Service Connection - High Pressure Side
   • with closure cap
   • with Evacuating and Charging Valve
8. Restrictor
9. Evaporator
10. Service Connection - Low Pressure Side
    • with closure cap
    • with Evacuating and Charging Valve
11. Reservoir
    • with dryer cartridge