7.2.8
Safety components
The safety components should be replaced at the end of their life
cycle indicated in the following table.
The specified life cycles do not refer to the warranty terms indi-
cated in the delivery or payment conditions.
7.3
Opening the burner
Turn off the burner's electrical supply using the
main system switch.
DANGER
Turn off the fuel interception tap.
DANGER
7.4
Closing the burner
Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
20152087
Maintenance
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)
Flexible hoses (if present)
Fan impeller
Wait for the components in contact with heat
sources to cool down completely.
To open the burner, use the same procedure set out in "Access
to head internal part" on page 25.
54
GB
Life cycle
10 years or 250,000
operation cycles
appross. 10.000 h and max 50°C
10 years or 250,000
operation cycles
10 years or 250,000
operation cycles
15 years
10 years or 250,000
operation cycles
10 years or 250,000
operation cycles
10 years or 250,000
operation cycles
10 years
5 years or 30,000 pressurised
cycles
10 years or 500,000 start-ups
Tab. U