Refrigerant Circuit With An Electrically Driven A/C Compressor (With And Without Battery Cooling Module)

WARNING: This page is about a different car, the 2022 Audi S3, 2022 Audi RS 3, 2022 Audi A3 Quattro, and 2022 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The following illustration shows a refrigerant circuit as an example, as it is installed in an Audi Q5 hybrid, for the design of the refrigerant circuit in the respective vehicle refer to the vehicle-specific Service Information. 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
Service Connection, HP Side
Hybrid Battery Refrigerant Shut-Off Valve 1 -N516-
- Only for vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
  NOTE:
  The 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 system
Evaporator
- Evaporator in the A/C System
Expansion Valve with Hybrid Battery Refrigerant Shut-Off Valve 2 -N517-
- On the evaporator in the battery cooling module
- Only for vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
  NOTE:
  The Hybrid Battery Refrigerant Shut-Off Valve 2 -N517- is activated if it is necessary to cool the battery (closed without activation).
Evaporator
- Evaporator in the battery cooling module
- Only for vehicles with a battery cooling module for the Hybrid Battery Unit -AX1-.
Service Connection, LP Side