System Overview - Refrigerant Circuit With Refrigerant Circuit And Reservoir

WARNING: This page does not describe the selected car, but rather 19 other vehicles, including the 2017 Audi S5, 2017 Audi A5 Quattro, 2016 Audi S5, 2016 Audi A5 Quattro, and 2015 Audi S5. 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 shown 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 OVERVIEW - A/C SYSTEM (CABRIOLET) / OVERVIEW - REFRIGERANT CIRCUIT (CABRIOLET) / SYSTEM OVERVIEW - REFRIGERANT CIRCUIT (COUPE) (vehicle-specific repair information).

HD = High Pressure Side

ND = Low Pressure Side

Fig 1: Refrigerant Circuit With Refrigerant Circuit And Reservoir Component Locations

Courtesy of AUDI OF AMERICA, LLC

A/C Compressor Regulator Valve -N280-
A/C Compressor
Belt Pulley
- Depending on the version a A/C Clutch -N25- is installed in the belt pulley. Refer to BELT PULLEY, REMOVING AND INSTALLING, A/C COMPRESSOR WITH A/C CLUTCH -N25- (vehicle-specific repair information).
- Depending on the version instead of the belt pulley a drive unit can also be present. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING / OVERVIEW - A/C COMPRESSOR POWER UNIT (vehicle-specific repair information).
Pressure Relief Valve
Condenser
Refrigerant Pressure Sensor
- Vehicle-specific versions. Refer to A/C PRESSURE/TEMPERATURE SENSOR -G395-, REMOVING AND INSTALLING (vehicle-specific repair information).
Service Connection - High Pressure Side
- With closure cap
Restrictor
Evaporator
- Evaporator in the front heater and A/C unit (installed under the instrument panel)
Service Connection - Low Pressure Side
- With closure cap
Reservoir
- With dryer cartridge