Burner Start-Up Cycle - Riello G5 444T50 Operation Manual

BURNER START-UP CYCLE

Normal
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
ADJUSTMENTS, TO AVOID FLAME - DETACHMENT,
This inconvenience can occur, when the temperature of the light oil decreases below +8 °C.
1) CORRECT POSITIONING OF THE ELECTRODES
2) PUMP - SETTING
When the temperature of the light oil decreases below +8 °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 air damper of the fan, such as to obtain a smoke number not inferior to 1.
(i.e. a combustion with the lowest possible excess-air).
2381
~
12s
ONLY FOR LIGHT OIL
AT BURNER - IGNITION
4 ±
0.3 mm
D5230
Lock-out, due to light-failure
~
IMPORTANT:
THESE DIMENSIONS
MUST BE OBSERVED
A
2 – 2.5
8
~
5s
12s
mm
D5229