System Overview - Refrigerant Circuit
NOTE:
Under certain conditions, the desiccant bag/dryer cartridge no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R1234yf. Refer to COMPONENTS, REPLACING .
Under certain conditions, the desiccant bag no longer needs to be replaced each time the refrigerant circuit is opened on A/C systems with refrigerant R134a. Refer to Components, Replacing .
- Condenser
- There are different versions. Refer to the Parts Information.
- Overview. Refer to OVERVIEW - CONDENSER .
- Removing and Installing. Refer to CONDENSER, REMOVING AND INSTALLING .
- Refrigerant Line
- To the condenser
- Refrigerant Line - High Pressure Side
- To the refrigerant line with the inner heat exchanger
- High Pressure Side Service Connection
- Cap: 0.4 ± 0.1 Nm
- Valve: 2 ± 0.2 Nm
- Removing and Installing. Refer to EVACUATING AND CHARGING VALVE, REMOVING AND INSTALLING, LOW AND HIGH PRESSURE SIDE .
- Refrigerant Line - Low Pressure Side
- To the refrigerant line with the inner heat exchanger
- An additional balance weight may be present on this refrigerant line depending on the refrigerant line version and the production period. Refer to the Parts Information.
- Balance Weight, Removing and Installing. Refer to LOW PRESSURE SIDE REFRIGERANT LINE BALANCE WEIGHT, REMOVING AND INSTALLING .
- Low Pressure Side Service Connection
- Cap: 0.4 ± 0.1 Nm
- Valve: 2 ± 0.2 Nm
- Removing and Installing. Refer to EVACUATING AND CHARGING VALVE, REMOVING AND INSTALLING, LOW AND HIGH PRESSURE SIDE .
- Refrigerant Circuit Pressure Sensor -G805-
- 5 ± 1 Nm
- Removing and Installing. Refer to Refrigerant Circuit Pressure Sensor -G805-, REMOVING AND INSTALLING .
- Refrigerant Line with Inner Heat Exchanger
- In the inner heat exchanger, warm liquid refrigerant flowing on the high pressure side delivers energy to the cold vaporous refrigerant flowing on the low pressure side. This increases the efficiency of the A/C system.
- From the condenser and A/C compressor
- Removing and Installing. Refer to REFRIGERANT LINES WITH INNER HEAT EXCHANGER, REMOVING AND INSTALLING .
- Expansion Valve
- Removing and Installing. Refer to EXPANSION VALVE, REMOVING AND INSTALLING .
- Bolts
- 4.5 Nm ± 0.5 Nm
- Bolt
- 8 Nm
- Nut
- 8 Nm
- A/C Compressor
- Overview. Refer to OVERVIEW - A/C COMPRESSOR POWER UNIT .
- Removing and Installing. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING .
- Removing and installing from the bracket. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING FROM BRACKET .