Main components
Main components |
1. |
Control module, MCC unit (504)
|
2. |
Stepping motor, air distribution (221a)
|
3. |
Stepping motor, mixed-air, LH (222LH)
|
4. |
Stepping motor, mixed-air, RH (222RH)
|
5. |
Ventilation fan control (220)
|
6. |
Air recirculation motor (38)
|
7. |
Heat exchanger shut-off valve (581)
|
8. |
Circulation pump (453) (certain engine versions only)
|