Riello 40 Installation, Use And Maintenance Instructions page 43

NORMAL OPERATION / FLAME DETECTION TIME
The control box has a further function to guarantee the correct burner operation (signal: GREEN LED perma-
nently on).
To use this function, wait at least ten seconds from the burner ignition and then press the control box button for
a minimum of 3 seconds.
After releasing the button, the GREEN LED starts flashing as shown in the figure below.
GREEN LED on
wait at least 10s
The pulses of the LED constitute a signal spaced by approximately 3 seconds.
The number of pulses will measure the probe DETECTION TIME since the opening of gas valves, according to
the following table:
SIGNAL
1 blink
2 blinks
6 blinks
KIT INTERFACE ADAPTER RMG TO PC Code 3002719
20033980
Press button
for > 3s
FLAME DETECTION TIME
0.4s
0.8s
2.8s
13 GB
Interval
signal 3s
This is updated in every burner start-up.
Once read, the burner repeats the start-up cycle by
briefly pressing the control box button.
WARNING
If the result is > 2s, ignition will be retarded.
Check the adjustment of the hydraulic brake of the
gas valve, the air damper and the combustion head
adjustment.
signal