Start-Up Cycle - Riello G20KI Instruction Manual

START-UP CYCLE

Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
ADJUSTMENTS TO AVOID FLAME DETACHMENT AT BURNER IGNITION
1) CORRECT POSITIONING OF THE ELECTRODES
NOZZLE: ATOMIZING ANGLE: Choose 60° nozzle.
2)
3) PUMP - SETTING
When the temperature of the light oil decreases below +5 °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 2.5.
Instead, the setting is made on set-point 3.5.
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).
2403
~
12s
ONLY FOR LIGHT OIL
4 ±
0.3 mm
D5288
Lock-out, due to light-failure
~
12s
MOVE THE ELECTRODE HOLDER
BACKWARDS TO THE END
A
9
~
D5229
5s
6.5 ±
0.5 mm