Auxiliary Heater: FFBH: Notes
| Item Number | Description |
|---|---|
| 1 | Electrical connectors |
| 2 | Air inlet muffler |
| 3 | Exhaust pipe |
| 4 | Coolant outlet connection |
| 5 | Coolant inlet connection |
| 6 | Exhaust muffler |
| 7 | Fuel supply line |
The FFBH is installed in the front left corner of the engine compartment. It is connected in series with the coolant supply to the heater assembly. Two electrical connectors on the FFBH connect it to the vehicle wiring.
The FFBH unit consists of:
- A circulation pump.
- A combustion air fan.
- A burner housing.
- A heat exchanger.
- An air inlet hose and muffler.
- An exhaust pipe and muffler.
- A control module.
Sectioned View of FFBH
| Item Number | Description |
|---|---|
| 1 | Combustion air fan |
| 2 | Coolant outlet |
| 3 | Coolant inlet |
| 4 | Burner insert |
| 5 | Heat exchanger |
| 6 | Temperature sensor |
| 7 | Exhaust |
| 8 | Fuel inlet |
| 9 | Evaporator |
| 10 | Air inlet |