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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.
Final start-up procedures for GC124 II models12
12 Final start-up procedures for GC124 II models
Verifying the ignition spark
1. Look through the sight glass at the igniter and verify
that a spark is visible.
2. Should no spark be visible continue to
troubleshooting in Î Chapter 16.8, page 55.
3. Turn ON/OFF knob (Î Fig. 23) counterclockwise to
the ON position.
4. The ignition flame will appear and ignite the main
burner. If the main burner does not ignite, close the
gas shut-off. Disconnect heating system from the
power source and inform your customer service
technician or gas company.
Fig. 22 GC124 II boile
1 Sight glass
1
Fig. 23 GC124 II gas valve
1 ON/OFF knob (shown in ON position)
1
WARNING!
RISK TO LIFE
from fire or explosion.
z Never use excessive force on the
ON/OFF knob (Î Fig. 23).
z Turn ON/OFF knob only by hand.
z Never use tools to turn knob.
z If you are unable to turn the knob by
hand, do not try to repair it.
z Call Buderus technical service for
assistance.