Start-up, calibration and operation of the burner
8.8 Burner start-up cycle
8.9 Adjustments, to avoid flame - detachment, at burner - ignition (only for gas oil)
CORRECT POSITIONING OF THE ELECTRODES
Refer to Fig. 22 at page 21.
PUMP - SETTING
When the temperature of the gas oil decreases below +5 °C, in-
crease the pressure to 14 bar.
NOZZLE: ATOMIZING ANGLE
Choose 60° nozzle.
COMBUSTION HEAD ADJUSTMENT
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 3.5. Instead, the setting is made on set-point 4.5.
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).
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