Riello Burners 40 Serie Instrucciones Para La Instalación, Uso Y Mantenimiento página 26

ADJUSTMENTS, TO AVOID FLAME - DETACHMENT, AT BURNER - IGNITION
This inconvenience can occur, when the temperature of the gas-oil decreases below + 8 °C.
1) CORRECT POSITIONING OF THE ELECTRODES
2) NOZZLE: ATOMIZING CONE
Choose empt ies or semi-empt ies cones.
For exemple: Delavan type A - E; Steinen type H; Danfoss type H.
3) PUMP - SETTING
The pump is factory set, at a pressure of 12 bar.
When the temperature of the gas-oil decreases below + 8 °C, increase the pressure to 14 bar.
4) 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 2.
Instead, the setting is made on set-point 3.
5) 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).
2341
4 ±
0.3 mm
D5230
A
IMPORTANT:
THESE DIMENSIONS
MUST BE OBSERVED
2 – 2.5
mm
8
GB