
Settings for marathon
®
burner with pneumatic linkage
dreizler A 3001 E - 18.12.2015 | A 2003 - 1.10 | EN - 11.11.2010
26
Siemens SKP ...
Fig. 9-2 SKP... Settings and display for V and N
Dungs MBC...VEF
Fig. 9-3 MBC... Settings and display for V and N
NOTICE:
The actuator can be opened by lifting its lid.
The limit switches are set by turning the cams, and can be adjusted with regular screw drivers or the sup-
plied C spanner.
The wiring diagram illustrates the function of each cam. The switching cams 1 and 2 act as limiters for the
servomotor.
Small load (MIN) for the burner is limited to a minimum value (only in burners with pneumatic components)
with the minimum permitted air pressure p
L
1mbar at the burner head.
N larger = more gas = less O
2
N smaller = less gas = more O
2
9.3
Presetting the manual damper for maximum load (suction side)
Set maximum air flow volume (maximum load) by way of the suction-side manual damper.
Waste gas values must be rechecked after a settings change.
NOTICE:
Set manual damper in accordance with expected final load.
100% max. load = 90°
50% max. load = 30°
Intermediate values can be interpolated accordingly.