Pag. 46 di 48
7 TECHNICAL
DATA
7.1 CLAS B CF
Model Name
24 CF
CE certification (pin)
1312BR4794
General
comments
Boiler type
B11
BS
Max./min. nominal heat output
(60/80°C) (Hi)
kW
25,8/11
Max./min. nominal heat output
(60/80°C) (Hs)
kW
28,7/12,2
Max./min. heat output in Domestic Hot Water mode (60/80°C)
(Hi) kW
27,0/11,0
Max./min. heat output in Domestic Hot Water mode (60/80°C)
(Hs) kW 30,0/12,2
Max./min. Central Heating power
kW
23,7/9,9
Max./min. D:H.W. power
kW
25,5/9,9
Combustion efficiency (at flue)
%
93,0
Efficiency of nominal heat output (60/80 °C)
(Hi/Hs)
%
91,9/82,8
Efficiency at 30% 47°C
(Hi/Hs)
%
91,2/82,1
Efficiency at minimum
(Hi/Hs)
%
90,2/81,2
Number of efficiency stars (dir. 92/42/EEC)
**
Rating Sedbuk
D/80,3
Max. heat loss to the casing (
∆
T = 50°C)
%
0,6
E
ffi
ci
enc
y p
er
for
m
a
nc
e
Heat loss through flue gas exhaust when burner operating %
7,0
Minimum draught
Pa
3
NOx class
classe
3
Flue gas temperature (G20)
°C
118
CO
2
(G20)
%
5,8
CO (0%O
2
) in heating (G20)
ppm
53
O
2
(G20)
%
10,1
Max. flue gas output (G20)
Kg/h
63,6
Em
is
si
on
s (DH
W
)
Excess air
%
93
Expansion vessel pre-charge pressure
bar
1
Maximum central heating circuit pressure
bar
3
Expansion vessel capacity
l
6,5
Central Heating maximum capacity
l
100/300
C
ent
ra
l
H
eat
in
g
ci
rc
ui
t
Max./min. heating temperature
°C
35/85
Max./min. Domestic Hot Water temperature
°C
40/65
Storage capacity
l
40
Specific output of D.H.W. system (10 min. with
∆
T=30°C) l/mn
19,0
D.H.W. flow rate
∆
T=25°C l/mn
22,8
D.H.W. flow rate
∆
T=35°C l/mn
16,3
Comfort performance stars (EN13203)
étoile
***
D.H.W. minimum flow rate
l/mn
0,1
D.
H.
W
. c
irc
ui
t
Max./min. Domestic Hot Water pressure
bar
7
Power supply voltage/frequency
V/Hz
30/50
Total power consumption
W
16
Minimum operating temperature
°C
5
Electrical and
environment
data
Electrical system grade of protection
IP
X4D
Weight kg
52
Weight and
dimensions
Dimensions (W x H x D)
mm 600x943x460