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Flame inspection window
Clean the flame inspection window 1)(Fig. 51).
D10500
Nozzles
It is advisable to replace nozzles once a year during periodical
maintenance.
Do not clean the nozzle openings;
Hoses
Check that these are in good conditions.
Fan
Check to make sure that no dust has accumulated inside the fan or
on its blades, as this condition will cause a reduction in the air flow
rate and provoke polluting combustion.
Combustion
Adjust the burner if the combustion values found at the beginning
of the operation do not comply with the regulations in force, or at
any rate, do not correspond to good combustion.
Gas leaks
Make sure that there are no gas leaks on the pipework between the
gas meter and the burner.
Gas filter
Change the gas filter when it is dirty.
Boiler
Clean the boiler as indicated in its accompanying instructions in or-
der to maintain all the original combustion characteristics intact, es-
pecially the flue gas temperature and combustion chamber
pressure.
Fuel tank
Approximately every 5 years, suck any water on the bottom of the
tank using a separate pump.
20095042
Maintenance
Flame sensor
In order to reach the flame sensor, proceed as follows:
extract the sensor 2)(Fig. 52);
clean the glass cover from any dust that may have accumu-
lated.
1
2
Fig. 51
6.2.4
Safety components
The safety components must be replaced at the end of their life
cycle indicated in Tab. O.
The specified life cycles do not refer to the warranty terms indicated
in the delivery or payment conditions.
Safety component
Flame control
Flame sensor
Gas valves (solenoid)
Pressure switches
Pressure adjuster
Servomotor (electronic cam)
(if present)
Oil valve (solenoid)
(if present)
Oil regulator (if present)
Oil pipes / couplings
(metallic) (if present)
Fan impeller
40
GB
20086820
10 years or 250,000
10 years or 250,000
10 years or 250,000
10 years or 250,000
10 years or 250,000
10 years or 250,000
10 years or 250,000
10 years or 500,000 start-ups
Fig. 52
Life cycle
operation cycles
operation cycles
operation cycles
operation cycles
15 years
operation cycles
operation cycles
operation cycles
10 years
Tab. O
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