Printed in Germany / M-MT-BOS
• Edition 11.99 • # 231 763
82 … 112
Display in service mode
Gas firing, electronic
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.
Values of ignition point P0
Values of characteristic point P1
N
approx. 0.2 s
approx. 0.2 s
Timeout
approx. 20 s
Timeout
approx. 20 s
1
P
S
i
G
L/A
h
l,m
3
P
S
i
G
L/A
h
l,m
3
Service display
Operating display