20170350
32
GB
Maintenance
Flame presence check
Check the level of the flame detection signal with the “Check
mode” function from the flame control: LEDs from 2 to 6 indicate
the flame signal level, respectively. "LED indicator and special
function” on page 33.
Check Mode
With burner flame on:
hold the reset button on the flame control pressed for at
least 3 sec.;
the button colour will change from green to yellow;
each operating status signalling LED will be compared to
20% of the maximum brightness;
press the reset button again (<0.5sec) to reset the standard
operation of the signalling LEDs.
8.2.3
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
indicated in the delivery or payment conditions.
Tab. M
8.3
Opening the burner
To open the burner, proceed as indicated in paragraph "Securing
the burner to the boiler” on page 17.
8.4
Closing the burner
Refit following the steps described but in reverse order; refit all
burner components as they were originally assembled.
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)
10 years or 250.000
operation cycles
Oil valve (solenoid)
10 years or 250.000
operation cycles
Oil regulator
10 years or 250.000
operation cycles
Pipes/ oil fittings (metallic)
10 years
Flexible hoses (if present)
5 years or 30.000 pressurised
cycles
Fan impeller
10 years or 500.000 start-ups
DANGER
Disconnect the electrical supply from the burner
by means of the system main switch.
DANGER
Close the fuel shut-off valve.
Wait for the components in contact with heat
sources to cool down completely.
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
Содержание P 300 P/G
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