Installation and operating instruction
Oil burner WL20/2-C Z
3 Product description
83307702 1/2019-04 La
11-80
3.3.3 Electrical components
Combustion Manager
The combustion manager W-FM is the control unit of the burner.
It controls the sequence of operation and monitors the flame.
Burner motor
The burner motor drives the fan wheel and the oil pump.
Ignition unit
The electronic ignition unit creates a spark at the electrode, which ignites the fuel/
air mixture.
Flame sensor
The combustion manager monitors the flame signal via the flame sensor.
If the flame signal becomes too weak, the combustion manager carries out a con-
trolled shutdown.