System Overview - Refrigerant Circuit With Refrigerant Circuit And Reservoir

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.

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- .
- Depending On The Version Instead Of The Belt Pulley A Drive Unit Can Also Be Present. Refer To REFRIGERANT CIRCUIT - 1 , REFRIGERANT CIRCUIT - 2 , REFRIGERANT CIRCUIT 1234yf - 2 , REFRIGERANT CIRCUIT GENERAL INFORMATION R134a , REFRIGERANT CIRCUIT R134a .
Pressure Relief Valve
Condenser
Refrigerant Pressure Sensor
- Vehicle-specific versions. Refer to A/C PRESSURE/TEMPERATURE SENSOR -G395-, REMOVING AND INSTALLING and HIGH PRESSURE SENSOR -G65-, REFRIGERANT CIRCUIT PRESSURE SENSOR -G805- .
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