Riello Burners P 140 T/G Manuel D'entretien page 48

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NOZZLES 60°
PUMP 12 BAR
GPH
13,8
10,5
13,8
11,0
13,8
12,0
14,0
13,0
15,3
13,8
15,0
14,0
15,0
15,0
15,3
15,3
16,0
16,0
17,0
17,0
17,5
17,5
18,0
18,0
19,0
19,0
19,5
19,5
20,0
20,0
21,5
21,5
22,0
22,0
24,0
24,0
B
Combustion head adjustment (set-point N°)
P 450: 1) With diffuser disc ø 192 (standard issue ready fitted)
P 450: 2) With diffuser disc ø 215 (supplied)
C
P 300 T/G
TOTAL
*
DELIVERY
kg/h
1°+2°+3°
10,5
149,4
11,0
153,6
12,0
162,2
13,0
171,7
13,8
184,1
14,0
184,6
15,0
193,2
15,3
197,1
16,0
206,1
17,0
219,0
17,5
225,3
18,0
231,9
19,0
244,8
19,5
251,1
20,0
257,7
21,5
276,9
22,0
283,2
24,0
309,0
D3419
Set-point 6
NOZZLES 60°
PUMP 12 BAR
GPH
17,5
17,5
18
19
19,5
19,5
20,0
20,0
21,5
21,5
22,0
22,0
24,0
24,0
26,0
26,0
28,0
28,0
30,0
30,0
32,0
32,0
35,0
35,0
*
The pump pressure is referred to all three
nozzles operating, the pressure increases auto-
matically with two nozzles in operation and more
with only one.
Rated nozzles delivery are shown in the table. The real
nozzle delivery may vary from the rated one up to ± 5%,
its detection is made by weighing the oil sprayed out
from the nozzle inserted in a tube. The pump leaves the
factory rated at 12 bar. Pay attention to not overcome
the pump pressure values of 10 and 14 bar.
At the end, on the base of the maximum output, you
obtain the combustion head adjustment from the dia-
gramm D.
The adjustment should be made by turning the screw A till the
set-point (see diagram) is on the line with the washer B (Fig. C)
NOTE (for P 450 T/G only):
depending on the desired output, you can use the
ready-fitted standard-issue diffuser disc or the disc
supplied (see diagram B). To replace the diffuser disc,
proceed as follows (Fig. D):
-unscrew screws 1);
-slide the ventilating part back on pins 2);
-first unscrew screws 3), then replace diffuser disc;
-refit all parts following the above procedure in reverse
order.
48
P 450 T/G
*
DELIVERY
17,5
18
18
19
19
19,5
20,0
21,5
22,0
24,0
26,0
28,0
30,0
32,0
35,0
TOTAL
kg/h
1°+2°+3°
225,3
231,9
244,8
251,1
257,7
276,9
283,2
309,0
334,7
360,5
386,3
412,0
450,6
.
D3422
D

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