46
Installation and maintenance instructions Gas Boiler Logano GC124 II/SP • Issue 07/2006
We reserve the right to make any changes due to technical modifications.
Boiler inspection and maintenance
16
4.
Remove the safety screw on the adjustment screw
for the igniter (
Î
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
(
Î
Fig. 41).
6.
If the flame is too small, the pilot orifice needs
cleaning (
Î
Fig. 50, page 51). If the igniter flame is
acceptable, start cleaning.
Inspecting the pilot burner of the GC124 SP
7.
Inspect the pilot flame through the sight glass
(
Î
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.
Fig. 41
Gas valve GC124 SP
1
Safety screw on igniter adjustment screw
1
USER NOTE
Be careful not to damage the pilot orifice
during installation and cleaning.
Fig. 42
GC124 SP boiler
1
Sight glass
2
Thermocouple
1
2
Fig. 43
Correct flame configuration
1
Ignition flame
2
1
USER NOTE
The adjustment screw for the pilot burner
is located on the gas valve behind a safe-
ty screw (
Î
Fig. 44, page 47).
