Printed in Germany / M-MT-BOS
• Edition 11.99 • # 231 763
90 … 112
Display in service mode
Gas firing, pneumatic
modulation
Press for approx. 0.5 s until the
"Wrench" symbol is displayed.
Release button. The "i" symbol is dis-
played for approx. 1.5 s beforehand.
Value of ignition point P0 for gas
burner with pneumatic modulation.
Minimum point (P1) of the character-
istic for gas burner with pneumatic
modulation.
P
S
G
L/A
h
l,m
3
N
approx. 0.2 s
approx. 0.2 s
Timeout
approx. 20 s
i
Service display
Operating display
P
S
i
G
L/A
h
l,m
3
P
S
G
L/A
h
l,m
3
1
approx. 0.2 s
Timeout
approx. 20 s
Timeout
approx. 20 s
approx. 0.2 s
Value of the maximum point (P9) of
the characteristic for gas burner with
pneumatic modulation.