1 - Main tank
2 - Filter
3 - Circulation pumps
4 - Water outlet and circuit
5 - Air/gas outlet usulally closed
6 - Degasifierand combustion recovery tank
7 - No return valve
8 - By pass
HYDRAULIC DIAGRAM
1 - FILTER
2 - FLEXIBLE PIPE
3 - BURNER PUMP (20÷22 BAR)
4 - PRESSURE GAUGE (0÷40 BAR)
5 - MODULATION SERVOMOTOR
6 - DISK WITH SCREWS FOR AIR/FUEL SUPPLY REGULATION
7 - DISK WITH ADJUSTMENT SCREWS FOR THE OPENING AND
CLOSING OF AIR TO THE COMBUSTION HEAD
DIAGRAM OF PIPES OF FEED SYSTEM FOR LIGHT
OIL BURNERS OR HEAVY OIL BURNERS WITH
MAXIMUM NOMINAL VISCOSITY (5 °E AT 50 °C)
The light oil recovery tanks (diameter ~ 150 -
height ~ 400) should be installed as near as
possible to the burner and should be about 0,5
m. higher with respect to the burner's pump.
8 - AIR PRESSURE
9 - RETURN PRESSURE REGULATOR
MIN 10-12 BAR MAX 18-20 BAR
10 - PRESSURE GAUGE (0 ÷ 40 BAR)
11 - REDUCTION UNIT OR (PILOT) PRESSURE STABILISER
12 - GAS MINIMUM AND MAXIMUM PRESSURE
SWITCH WITH (PILOT) PRESSURE INTAKES
13 - PILOT LIGHT IGNITION SAFETY VALVE
14 - MAIN GAS VALVE FOR IGNITION FLAME
40
N° 8666-3
REV. 02/10/2002
N° 0002901220
REV. 16/04/2003