51
GB
Initial gas quantity adjustment (slow start-up)
If burner start-up is too fast, you can intervene with slow start-up adjustment.
Unscrew screw H and turn knob M (fig. 2-3).
Lock screw H.
Further adjustments (VCV L valve)
7)
4
Adjusting the opening brake
Further optimisation of slow start-up can be ob-
tained by regulating
the opening brake, turning adjustment screw
L 1/4” around toward the marking “-” (fig.4).
M
H
L