Installation and operating instruction
Oil burner WL20/2-C Z
3 Product description
83307702 1/2019-04 La
9-80
3.3 Function
3.3.1 Air supply
Air damper
The air damper regulates the air quantity required for combustion. The combustion
manager drives the air damper via actuator. At burner shutdown the air damper
closes 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.
Diffuser
The air gap between flame tube and diffuser is adjusted by positioning the diffuser.
This adjusts the mixing pressure and the air quantity required for combustion.