Refrigerant Circuit With Electrically-Driven A/C Compressor

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Audi SQ5, 2024 Audi Q5 e, 2024 Audi Q5, 2023 Audi SQ5, and 2023 Audi Q5 e. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The following illustration shows an example of a refrigerant circuit as it is installed in an Audi Q5 hybrid. For the design of the refrigerant circuit in the respective vehicle, refer to Refrigerant Circuit (vehicle-specific Service Information).

Arrows point in direction of refrigerant flow.

Fig 1: Identifying A/C Compressor Circuit And Electrical Flow

Courtesy of AUDI OF AMERICA, LLC

Electrically-Driven A/C Compressor
- With A/C Compressor Control Module -J842- and Electrical A/C Compressor -V470-
Condenser
- With receiver/dryer and dryer cartridge
High Pressure Side Service Connection
Hybrid Battery Refrigerant Shut-Off Valve 1 -N516-
- Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
  NOTE:
  The Hybrid Battery Refrigerant Shut-Off Valve 1 Hybrid Battery Refrigerant Shut-Off Valve 1 -N516- is activated, for example, if it is necessary to cool the battery and no cooling is desired in the passenger compartment (open without activation).
Expansion Valve
- On the evaporator in the A/C unit
Evaporator
- Evaporator in the A/C Unit
Expansion Valve with Hybrid Battery Refrigerant Shut-Off Valve 2 -N517-
- On the evaporator in the battery cooling module
- Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
  NOTE:
  The Hybrid Battery Refrigerant Shut-Off Valve 2 Hybrid Battery Refrigerant Shut-Off Valve 2 -N517- is activated when it is necessary to cool the battery (closed without activation).
Evaporator
- Evaporator in Battery Cooling Module
- Only on vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
Low Pressure Side Service Connection