Combustion Chamber; Compatible Burners; Water Head Losses - Sime ESTELLE HE B4 INOX ErP Instrucciones De Instalación Y Mantenimiento

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.
L
mm
HE B4 INOX ErP
405
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.
ATTENTION:
Water heater with Nominal Power Pn
›70kW: It is possible to use burners
that are not on the list but have the
same characteristics, as long as they
are conforming to the standard/s, re-
ference techniques and suitable field
of work.
Water heaters with Nominal Power
Pn ‹70kW: It is possible to use burners
that are not on the list but have the
same characteristics, as long as they
are conforming to the standard/s, re-
ference techniques.
When choosing the burner, pay at-
tention to the max electrical power
absorbed by the burner at 30% of the
load and in stand-by that should be
the same or less that those indicated
in ANNEX AA.1.
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 value is that indicated in
2
point 1.3, with a tolerance of ± 5%.
32
Volumen
dm 3
24,0
1.6.1 Permanent feeding burner
HE B4 INOX ErP 8118503
1.7 WATER HEAD LOSSES (fig. 4)
220
200
180
160
140
120
100
80
60
40
20
0
270
Code Model Nozzle Atomising
ø
SIME FUEL 0,65
35 EV
1000
500
NOTE: Water head losses obtained with ∆t 10°C.
L
Pump Class Adsorbed power
angle pressure bar NOx consumption W
60°H 12 3
1500 2000 2500
Water flow (l/h) Portata acqua (l/h)
Fig. 3
168
Fig. 3/a
3000
Fig. 4