Riello G10 - ELECTRODES SETTING; BURNER START-UP CYCLE; CORRECT POSITIONING OF THE ELECTRODES; PUMP - SETTING

20013656
8
GB
ELECTRODES SETTING (See fig. 10)
BURNER START-UP CYCLE
ADJUSTMENTS, TO AVOID FLAME - DETACHMENT, AT BURNER - IGNITION
This inconvenience can occur, when the temperature of the gas-oil decreases below + 5 °C.
1) CORRECT POSITIONING OF THE ELECTRODES
See figure 10.
2) PUMP - SETTING
The pump is factory set, at a pressure of 12 bar.
When the temperature of the light oil decreases below + 5 °C, increase the pressure to 14 bar.
3) COMBUSTION-HEAD SETTING
Regulate the combustion-head one set-point further ahead than indicated in the instructions.
Example: the instructions require to set the combustion-head on set-point 3.
Instead, the setting is made on set-point 4.
4) FAN - AIR DAMPER ADJUSTMENT
Adjust the damper, reducing the excess air until the Bacharach number is not near 1
(i.e. a combustion with the lowest possible excess-air).
Attention:
Before assembling or remo-
ving the nozzle, loosen the
screw (A) and move the elec-
trodes ahead.
4 ± 0.3 mm
D5288
A
4.5 ± 0.5 mm
MOVE THE ELECTRODE
HOLDER BACKWARDS TO
THE END
Fig. 10
Normal Lock-out, due to failure to light
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
~ 12s
D5229
~ 12s
~ 5s