2381
8
BURNER START-UP CYCLE
ONLY FOR LIGHT OIL
ADJUSTMENTS, TO AVOID FLAME - DETACHMENT,
AT BURNER - IGNITION
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).
Normal
Lock-out, due to light-failure
Thermostat
Motor
Ignition transformer
Valve
Flame
Lock-out lamp
~
12s
D5229
~
12s
~
5s
2 – 2.5
mm
4
±
0.3 mm
IMPORTANT:
THESE DIMENSIONS
MUST BE OBSERVED
D5230
A
