1.3
TECHNICAL FEATURES
Output 80-60°C
Output 50-30°C
Input
Seasonal energy efficiency class of the heating system
Seasonal energy efficiency of the heating system
D.H.W. load profile declared
D.H.W. energy efficiency
PIN number
Type
Sections
Maximum water head
Water content
Smoke loss of head
Combustion chamber pressure
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
1.4
FUNCTIONAL DIAGRAM
15
7
U
C
E
9
14
16
M
R
17
1
18
10
bar (kPa)
mbar (kPa)
mbar (kPa)
m
l/min
bar (kPa)
12
8
2
13
6
4
11
ESTELLE HE B4 INOX ErP
kW
kW
kW
%
%
n°
l
°C
°C
3
n/h
3
dm
%
°C
°C
l
l/h
min
kg
KEY
1 Cast iron boiler
2 Water switch
3 Automatic air-vent
4 C.H. pump (not supplied)
5 D.H.W. pump
6 Non-return valve
7 D.H.W. safety valve 6 bar/588 kPa
(not supplied)
3
8 Magnesium anode
6
9 D.H.W. drain cock
10 Boiler drain cock
11 Burner (not supplied)
12 110 litre tank
5
13 Air vent valve
14 C.H.safety valve 3 bar/294 kPa (not supplied)
15 D.H.W. tank expansion vessel (not supplied)
16 Hydrometer (not supplied)
17 Stainless steel condenser
18 Condensate drain tap
M
C.H. flow
R
C.H. return
U
D.H.W. outlet
E
D.C.W. inlet
C
Recirculation
33.0
35.5
34.8
A
93
XL
67
1312CR193R
B23P - C23P
4
4 (392)
24.5
0.2 (0.020)
0.2 (0.020)
73
30
37.2
12
12.5
45÷85
30÷60
110
21
720
12
7 (686)
220
Fig. 2
31