0-6
RODIUS 2005.07
6810-20
AIR CONDITIONING SYSTEM
3. FFF GENERAL INFORMATION
The system is to increase the coolant temperature quickly by firing diesel fuel in the burner that
is installed in engine cooling system when in winter time the ambient temperature and engine
coolant temperature is low. (Option)
FFH System consists of independent fuel lines, fuel pump, coolant circuit, coolant ciculation
pump, electrical glow plug and exhaust system by driver’s intention because FFH system
is automatically.
Operated according to the coolant temperature and the ambient temperature.
FFH system operates up to more than 2 minutes to burn the residual fuel inside the system
when driver stop the engine during its operation. Therefore, a certain period of FFH operation
after stopping the engine is not a malfunction.
0-23
AIR CONDITIONING SYSTEM
RODIUS 2005.07
6810-20
3) Mode Door Actuator
The mode door actuator is an actuator that closes, opens and adjusts the mode door for VENT,
FLOOR and DEF mode to change the air flow directions according to FATC controller. Unde
r
the FATC controller AUTO mode, it stays on DEF mode until the engine coolant temperature
reaches at normal operating level and the mode is changed as below when the MODE switch is
pressed.
