System Overview - Refrigerant Circuit With Electrically-Driven A/C Compressor (With Or Without Battery Cooling Module)

2023 Audi e-tron S Sportback Premium PlusSECTION System Overview - Refrigerant Circuit With Electrically-Driven A/C Compressor (With Or Without Battery Cooling Module)
NOTE:

The arrows indicate the refrigerant flow direction.

The following illustration shows a refrigerant circuit with an expansion valve and a second evaporator for cooling the battery and an inner heat exchanger as an example.

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
GWWA87-11246Courtesy of AUDI OF AMERICA, LLC
  1. Electrically-Driven A/C Compressor
    • With A/C Compressor Control Module -J842- and Electrical A/C Compressor -V470-. Refer to Refrigerant Circuit (vehicle-specific service information).
  2. Pressure Relief Valve
  3. Condenser
    • With receiver/dryer and dryer cartridge.
  4. Receiver/Dryer
    • Is a component of the condenser
  5. Refrigerant Pressure Sensor
    • Vehicle-specific versions. Refer to Refrigerant Circuit (vehicle-specific service information).
  6. Service Connection - High Pressure Side
    • With closure cap.
  7. Refrigerant Line with Inner Heat Exchanger
  8. Refrigerant Shut-Off Valve --
    • There are different names. Refer to Refrigerant Circuit (vehicle-specific service information).
    • Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
      NOTE:

      The Refrigerant Shut-Off Valve -- is for example activated, if the battery needs to be cooled and the vehicle interior is not already being cooled (open without activation).

  9. Expansion Valve
    • On the heater and A/C unit evaporator
  10. Front Evaporator
    • Heater and A/C Unit Evaporator
  11. :Expansion Valve with Shut-Off ValveΒ 
    • There are different names. Refer to Refrigerant Circuit (vehicle-specific service information).
    • On the evaporator in the battery cooling module
    • Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
      NOTE:

      The -Expansion Valve with Shut-Off Valve- is activated when it is necessary to cool the battery (closed without activation).

  12. Evaporator
    • Evaporator in Battery Cooling Module
    • Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
  13. Service Connection - Low Pressure Side
    • With closure cap
RENDER: 1.0x

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