20096088
38
GB
Maintenance
Flame inspection window
Clean the flame inspection window 1)(Fig. 51).
UV flame sensor
In order to reach the UV sensor, proceed as follows:
extract the UV sensor 2)(Fig. 52);
clean the glass cover from any dust that may have accumu-
lated.
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.
Burner
Clean the outside of the burner.
Clean and grease the cam variable profile.
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.
6.2.4
Safety components
The safety components must be replaced at the end of their life
cycle indicated in Tab. Q. The specified life cycles do not refer to
the warranty terms indicated in the delivery or payment conditions.
Tab. Q
1
Fig. 51
D10500
2
Fig. 52
20113100
Safety component
Life cycle
Flame control
10 years or 250,000
operation cycles
Flame sensor
10 years or 250,000
operation cycles
Gas valves (solenoid)
10 years or 250,000
operation cycles
Pressure switches
10 years or 250,000
operation cycles
Pressure adjuster
15 years
Servomotor (electronic cam)
(if present)
10 years or 250,000
operation cycles
Oil valve (solenoid) (if
present)
10 years or 250,000
operation cycles
Oil regulator (if present)
10 years or 250,000
operation cycles
Oil pipes/ couplings
(metallic) (if present)
10 years
Fan impeller
10 years or 500,000 start-ups
