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PREPARATIONS FOR START UP
Control that the nozzle (45° spray angle) applied
is suitable for the boiler potentiality. The table
shows the delivery rates in Kg/h of light oil with
respect to the nozzle size and the pump pressure
(normally 12 bar). It should be remembered that
1 Kg of light oil is equivalent to approximately
1O.200 Kcal). Make sure that the return pipe in
the tank has no obstructions, e.g. gate valves,
closed plugs etc. Any eventual obstruction
would cause a breakage in the sealing surface
situated on the pump shaft. Close the main
switch and the boiler thermostats in order to
start up the motor and the ignition transformer
and,
after approximately 10 seconds, the electric val-
ve will cut in and expose the photoresistant cell
to a source of light until the burner stops (shut
down). When the pipelines have been filled up
(and when fuel has come out of the nozzle), stop the burner and put the photoresistant cell back in
its seat. NOTE: Should it be necessary to purge air, this can be done by loosening the special fitting
which the pump is provided with (see 0002900480; 0002900680). Do not illuminate the
photoresistant cell before the electric valve has cut in because, in this case, the control box will go
to "shut down".
STARTING UP AND REGULATION
Loosen the "A" clamp screw (see 0002932101) and put the air shutter regulator in the position
considered necessary in function with the quantity of fuel to be burned. Close the main swich in order
to start up the burner. Correct, if necessary, the combustion air delivery by adjusting the suction
regulator.
The burner is equipped with screws which regulate the flame disk position and this device permits a
perfection of the combustion by reducing or increasing the air passage between the disk and the
head. It is normally necessary to reduce (turn in an antidockwise direction the relative screw) the air
passage between the disk and the head when operating with a reduced fuel delivery. This passage
must be proportionately opened more (turn relative screw in a clockwise direction) when the burner is
working with a highter fuel delivery.
After having modified the flame disk position, it is normally necessary to correct the air shutter
regulator positions and, subsequently, verify if ignition occurs correctly.
The burner is provided with the pump set at 12 bar, to adjust this value rotate the relative screw.
LIGHT OIL BURNER
MODEL SPARK
delivery rates in kg/h of light oil
Nozzle
G.P.H.
8
1,35
4,59
1,50
5,10
1,65
5,61
1,75
5,95
2,00
6,80
2,25
7,65
2,50
8,50
3,00
10,20 10,82 11,40 11,96 12,49 13,00
3,50
11,90 12,62 13,30 13,95 14,57 15,17
4,00
13,60 14,42 15,20 15,94 16,65 17,33
4,50
15,30 16,22 17,10 17,94 18,73 19,50
5,00
17,00 18,03 19,00 19,93 20,82 21,67
5,50
18,70 19,83 20,90 21,92 22,90 23,83
6,00
20,40 21,63 ,22,80 23,92 24,98 26,00
6,50
22,10 23,44 23,70 25,91 27,06 28,17
7,00
23,79 25,24 26,66 27,90 29,14 30,33
23
Pump pressure bar
9
10
11
12
13
4,87
5,13
5,38
5,62
5,85
5,41
5,70
5,90
6,24
6,50
5,95
6,27
6,58
6,87
7,15
6,31
6,65
6,98
7,29
7,58
7,21
7,60
7,97
8,33
8,67
8,15
8,55
8,97
9,37
9,75
9,01
9,50
9,97
10,41 10,83
14
15
6,07
6,28
6,75
6,98
7,42
7,68
7,87
8,15
8,99
9,31
10,12 10,47
11,24 11,64
13,49 13,96
15,74 16,29
17,99 18,62
20,24 20,95
22,48 23,27
24,73 25,60
26,98 27,93
29,23 30,26
31,48 32,58
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