43
1.3
TECHNICAL FEATURES
ESTELLE
B4 INOX ErP
B5 INOX ErP
Output
kW
25.3
32.7
Input
kW
27.0
34.8
Seasonal energy efficiency class of the heating system
B
B
Seasonal energy efficiency of the heating system
%
86.0
86.0
D.H.W. load profile declared
XL
XL
D.H.W. energy efficiency
%
67
60
PIN number
1312CR192R
1312CR192R
Type
B23P-C23P
B23P-C23P
Sections
n°
4
5
Maximum water head
bar (kPa)
4 (392)
4 (392)
Water content
l
24.5
30.5
Smoke loss of head
mbar (kPa)
0.16 (0.0156)
0.21 (0.0205)
Combustion chamber pressure
mbar (kPa)
0.17 (0.0166)
0.25 (0.0245)
Smokes temperature
°C
160
160
Smokes flow
m
3
n/h
41.4
52.8
Smokes volume
dm
3
9.6
12
CO
2
%
12.5
12.5
Heating adjustment range
°C
30÷85
30÷85
D.H.W. adjustment range
°C
30÷60
30÷60
D.H.W. production
D.H.W. tank capacity
l
110
110
D.H.W. flow rate EN 625
l/min
21
21
D.H.W. flow rate ∆t 30°C
l/h
720
936
Recovery time from 25°C to 55°C
min
12
10
D.H.W. tank max. water head
bar (kPa)
7 (686)
7 (686)
Weight
kg
220
247
7
8
12
2
13
6
4
9
5
6
3
1
10
11
U
C
E
M
R
14
15
16
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)
8 Magnesium anode
9 D.H.W. drain cock
10 Boiler drain cock
11 Burner (not supplied)
12 110 litre tank
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)
1.4
FUNCTIONAL DIAGRAM
Fig. 2