Air supply system: Notes
The functions of the air supply system are implemented by compressor activation and activation of the solenoid valves. The EHC control unit controls the functions.
F01 shown
| Item | Explanation |
|---|---|
| 1 | 2-pin plug connection for discharge valve |
| 2 | Discharge valve |
| 3 | Air drier |
| 4 | Compressor |
| 5 | 3-pin plug connection for solenoid valve block |
| 6 | Solenoid valve block |
| 7 | 2-pin plug connection for electric motor |
| 8 | Electric motor |
F15 shown
| Item | Explanation |
|---|---|
| 1 | Electric motor |
| 2 | Compressor |
| 3 | Air drier |
| 4 | 2-pin plug connection for discharge valve |
| 5 | 2-pin plug connection for electric motor |
| 6 | 3-pin plug connection for solenoid valve block |
| 7 | Valve block |
The air supply system contains the following components:
- Electric motor for powertrain of the compressor
- Compressor with air drier
- Discharge valve with pressure limitation function
- Solenoid valve block with 2 solenoid valves (2/2-way valves)
Example schematic diagram
| Item | Explanation |
|---|---|
| 1 | Air filter |
| 2 | two-pin plug connection |
| 3 | two-pin plug connection |
| 4 | three-pin plug connection |
| 5 | Solenoid valve for controlling right air spring |
| 6 | Solenoid valve for controlling left air spring |
| 7 | Air spring, rear right |
| 8 | Air spring, rear left |
| 9 | Air drier |
| 10 | Control valve |
| 11 | Discharge valve with pressure limitation function |
| 12 | Compressor |
| 13 | Air intake |
| 14 | Electric motor |
| 15 | Safety valve |
| 16 | Ventilation |