## Fresh Air System

### Fresh Air System specific configuration fields
- `fanLevelControl` [optional]
Show fan level switches which allow to change the fan level. **Default: false**
- `heaterControl` [optional]
Show a switch which allows to quickly enable the heater. **Default: true**
- `heatLevelControl` [optional]
Show heat level switches which allow to change the heat level. **Default: false**
- `pm25Breakpoints` [optional]
Define a custom array of pm25 breakpoints. Provide an array with exactly 4 unique numbers. **Default: [7, 15, 30, 55]**
- `co2AbnormalThreshold` [optional]
Define a custom carbon dioxide sensor abnormal threshold. **Default: 1000**
