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Home >> Audi >> 2020 >> SQ8 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 211 (Air Conditioning (Refrigerant R1234YF Servicing) (Refrigerant Circuit)) >> 87 Air Conditioning >> Refrigerant Circuit >> System Overview - Refrigerant Circuit >> System Overview - Refrigerant Circuit With RESTRICTOR And Reservoir

System Overview - Refrigerant Circuit With RESTRICTOR And Reservoir

WARNING: This page is about a different car, the 2024 Audi SQ7, 2024 Audi Q7, 2023 Audi SQ7, and 2023 Audi Q7. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

The arrows indicate the refrigerant flow direction.

The following illustration shows a refrigerant circuit with an evaporator as an example.

This layout of a refrigerant circuit is not planned at this time for VW/Audi.

The layout of the refrigerant circuit is vehicle-specific. Refer to Refrigerant Circuit (vehicle-specific service information).

HD = High Pressure Side

ND = Low Pressure Side

Fig 1: Exploded View Of Refrigerant Circuit
GWWA87-11243Courtesy of AUDI OF AMERICA, LLC
  1. A/C Compressor Regulator Valve -N280-
  2. A/C Compressor
  3. Belt Pulley
    • Depending on the version a A/C Clutch -N25- is installed in the belt pulley. Refer to Refrigerant Circuit (vehicle-specific service information).
    • Depending on the version instead of the belt pulley a drive unit can also be present. Refer to Refrigerant Circuit (vehicle-specific service information).
  4. Pressure Relief Valve
  5. Condenser
  6. Refrigerant Pressure Sensor
    • Vehicle-specific versions. Refer to Refrigerant Circuit (vehicle-specific service information).
  7. Service Connection - High Pressure Side
    • With closure cap
  8. Restrictor
  9. Evaporator
    • Evaporator in the front heater and A/C unit (installed under the instrument panel)
  10. Service Connection - Low Pressure Side
    • With closure cap
  11. Reservoir
    • With dryer cartridge