GASTER N 119 ÷ 289 AW
Pilot burner assembly
3
5
8
fig. 12 -
Legend
3 Pilot burner
4 Ignition electrode
5 Detection electrode
Cleaning the boiler and flue
To clean the boiler properly (fig. 14):
• Turn off the gas ahead of the unit and disconnect the power supply.
• Lift the boiler cover by pressing upwards.
• Remove the insulation covering the anti-backflow device.
• Remove the smoke chamber closing plate and the insulation.
• Remove the burner assembly (see previous section).
• Using the flue brush provided, clean the fume evacuation ducts
between the cast iron elements of the boiler shell, then remove
the dirt with a vacuum cleaner.
• Carefully refit all the previously removed parts and check the
tightness of the gas circuit and the combustion ducts.
• During cleaning operations take care not to damage the fume
thermostat bulb fitted on the back of the smoke chamber.
Legend
3 Smoke chamber closing plate
4 Smoke chamber insulation
5 Flue brush
EN
3 ÷ 4 mm
4
cod. 3541F272 - Rev. 00 - 06/2018
5
8
fig. 13 -
6 Pilot nozzle
7 High voltage cable
8 Gas supply pipe
3
6
4
7
fig. 14 - Cleaning
3
4
5
29