Schwank novoSchwank D 20S U Technical Manual page 6

novoSchwank shape U
Structure of burner kit
Fig. 2: Burner kit with burner control unit IC 4000/1
1. Burner control unit IC4000/1
2. Air pressure switch
3. Fan air restrictor plate
[incoming side, not shown]
4. Fan
5. Air baffle plate
[only 20S U / 25S U / 35S U / 55S U]
6. Gas combination valve
[1-stage]
7. Test nipple connection pressure
8. Test nipple nozzle pressure
9. Adjustment screw nozzle pressure
10. Adjustment screw start step valve
11. Inspection glass
12. Burner cup
13. Burner nozzle
14. Ignition and ionisation electrode
6
15. Ignition cable
16. Ionisation cable
17. 3-pin power supply socket
18. Locking screw
19. Venturi
20. Burner baffle [only 20S U / 25S U / 35S U]
21. Gasket