Installation and operating instruction
Oil burner WM-L20/2-A R (W-FM100/200)
3 Product description
83252902 1/2019-09 La
9-84
3.3 Function
3.3.1 Air supply
Air dampers
The air dampers regulate the air quantity required for combustion. The combustion
manager controls the air dampers via actuator. At burner shutdown the air dampers
close automatically. At burner shutdown the air dampers close automatically.
Fan wheel
The fan wheel supplies the air from the air intake housing to the combustion head.
Flame tube
The air gap between flame tube and diffuser is adjusted by positioning the flame
tube. This adjusts the mixing pressure and the air quantity required for combustion.
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