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6.10
Normal operation / flame detection time
The control box has a further function to guarantee the correct
burner operation (signal: GREEN LED permanently on).
To use this function, wait at least ten seconds from the burner ig-
nition and then press the control box button for a minimum of 3
seconds.
GREEN LED lit wait for at least
10s
The pulses of the LED constitute a signal spaced by approxi-
mately 3 seconds.
The number of pulses will measure the probe detection time
since the opening of gas valves, according to: Tab. Q.
Signal
1 blink
2 blinks
6 blinks
This is updated in every burner start-up.
Once read, the burner repeats the start-up cycle by briefly press-
ing the control box button.
If the result is > 2 s, ignition will be retarded.
Check the adjustment of the hydraulic brake of
the gas valve, the air damper and the combustion
head adjustment.
WARNING
20075006
Start-up, calibration and operation of the burner
Press reset for > 3s
Flame detection time
0.4 s
0.8 s
2.8 s
Tab. Q
After releasing the button, the GREEN LED starts flashing as
shown in: Tab. P.
Signal
34
GB
3s interval
Signal
Tab. P
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