6
172 415 05 03-01
SKELETON DIAGRAM
2-stage or modulating burners
1. Ball valve
2. Filter
3. Governor
4. Pressure gauge with shut-off cock
5a. Gas pressure switch, mini
5b. Gas pressure switch, maxi
6a. Main valve, 2 -stage. When modulating operation is required,
this valve is equipped with controls for variable opening.
6b. Safety valve
1)
7. Valve proving system
8. Air damper motor
9. Air pressure switch
10. Gas burner control
Pos. 5b, 7: Components not required according to EN 676.
1)
Required over 1200 kW according to EN 676.
When biogas is used, Bentone shall always be contacted.
7
6b
6a
5a
4
2
1
5b
10
9
8
3
Incorporated in the MultiBloc
