Buderus Logano GC124 II/SP Installation And Service Instructions Manual page 46

16 Boiler inspection and maintenance
4. Remove the safety screw on the adjustment screw
for the igniter ( Fig. 41).Turn the inner adjustment
screw clockwise to reduce the size of the ignition
flame, and counterclockwise to increase it.
5. After completed adjustment replace the safety screw
( Fig. 41).
6. If the flame is too small, the pilot orifice needs
cleaning ( Fig. 50, page 51). If the igniter flame is
acceptable, start cleaning.
USER NOTE
Be careful not to damage the pilot orifice
during installation and cleaning.
Inspecting the pilot burner of the GC124 SP
7. Inspect the pilot flame through the sight glass
( Fig. 43).
8. The flame must cover the thermocouple by 3/8"
to ½".
9. If the flame is too small or too large, use the
adjustment screw to correct for it.
USER NOTE
The adjustment screw for the pilot burner
is located on the gas valve behind a safe-
ty screw (
46
Fig. 44, page 47).
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
1
Fig. 41 Gas valve GC124 SP
1 Safety screw on igniter adjustment screw
2
Fig. 42 GC124 SP boiler
1 Sight glass
2 Thermocouple
Fig. 43 Correct flame configuration
1 Ignition flame
We reserve the right to make any changes due to technical modifications.
1
1
2