1.5
COMBUSTION
CHAMBER (fig. 3)
The combustion chamber is of the
straight flow type and complies with
standard EN 303-3 appendix E.
The dimensions are shown in fig. 3.
1.6
COMPATIBLE BURNERS
(
EN 267)
In general, the oil burner that is
compatible with the boiler should
use spray of the semi solid type.
Section 1.6.1 shows the matching ta-
ble of the burners together with the
boilers have been tested with.
1.6.2
Burners assembly
(fig. 3/a)
The boiler door details is shown in
figure 3/a for burner mounting.
The burners must be regulated such
that the CO
2
value is that indicated in
point 1.3, with a tolerance of ± 5%.
44
0
120
1500
1000
500
Portata acqua (l/h)
Per
dite di c
aric
o (mbar)
100
80
20
40
60
2000
Rondò
/Estell
e B4
Rondò/Estell
e B
140
160
180
200
2500
3000
220
Rondò/Estell
e B5
Fig. 4
NOTE: Water head
losses obtained with
∆t 10°C.
1.7
WATER HEAD LOSSES (fig. 4)
Water flow (l/h)
Head
losses
(mbar)
L
Volumen
mm
dm
3
B4 INOX ErP
405
24,0
B5 INOX ErP
505
30,5
R 75
ø 110
M8
L
270
280
Fig. 3
Code
Model
Nozzle Atomising
Pump
Class Adsorbed power
ø
angle
pressure bar
NOx
consumption W
B4 INOX ErP
8099170 FUEL 25 ErP 0,55
60°S
12,5
1
175
B5 INOX ErP
8099171 FUEL 35 ErP 0,65
80°S
13
1
195
1.6.1 “SIME” burners
Fig. 3/a