1
BOILER DESCRIPTION
1. 1
INTRODUCTION
The new "Estelle HE B4 INOX" series
of cast iron boilers condensing, for
1.2
DIMENSIONAL DETAILS
KEY
M C.H. flow
R
C.H. return
U
D.H.W. outlet
1.3
TECHNICAL FEATURES
Output (80-60 °C)
Output (50-30 °C)
Input
Class efficiency (CEE 92/42 directive)
Sections
Adsorbed power consumption
Maximum water head
Water content
Smoke loss of head
Combustion chamber pressure
Suggested chimney depression
Smokes temperature (80-60 °C)
Smokes temperature (50-30 °C)
Smokes flow
Smokes volume
CO
2
Heating adjustment range
D.H.W. adjustment range
D.H.W. production
D.H.W. tank capacity
D.H.W. flow rate EN 625
D.H.W. flow rate ∆t 30°C
Recovery time from 25°C to 55°C
D.H.W. tank max. water head
Weight
34
heating and the production of domes-
tic hot water, has been designed in
compliance
Directive CEE 92/42.
G 1" (UNI-ISO 228/1)
G 1" (UNI-ISO 228/1)
G 3/4" (UNI-ISO 228/1)
kW (kcal/h)
kW (kcal/h)
kW (kcal/h)
n°
W
bar
l
mbar
mbar
mbar
°C
°C
m
3
n/h
dm
3
%
°C
°C
l
l/min
l/h
min
bar
kg
with
the
European
E
D.C.W. inlet
G 3/4" (UNI-ISO 228/1)
C
Recirculation
G 3/4" (UNI-ISO 228/1)
S
Boiler drain
S2 Boiler safety valve drain
They use light oil and have a perfectly
balanced combustion with a very high
thermal efficiency for economical per-
formance.
Estelle B4 INOX
28.8 (24,770)
30.3 (26,060)
30.0 (25,800)
4
95
4
20.3
0. 1 3
–0.02
0. 1 5
73
56
37.2
12
12.5
30÷85
30÷60
110
19
792
11
6
203
Fig. 1