Pag. 47 di 48
7.2 CLAS B FF
Model Name
24 FF
30 FF
CE certification (pin)
1312BR4793
General
comments
Boiler type
B22-B32-C12-C32-C42-C52-C82
Max./min. nominal heat output
(60/80°C) (Hi)
kW
25,8/11
30,0/13
Max./min. nominal heat output
(60/80°C) (Hs)
kW
28,7/12,2
33,3/14,4
Max./min. heat output in Domestic Hot Water mode (60/80°C)
(Hi) kW
27,0/11,0
31,3/13,0
Max./min. heat output in Domestic Hot Water mode (60/80°C)
(Hs)
kW
30,0/12,2
34,8/14,4
Max./min. Central Heating power
kW
24,2/10,2
28,1/12,1
Max./min. D:H.W. power
kW
26,2/10,2
29,5/12,1
Combustion efficiency (at flue)
%
94,5
93,9
Efficiency of nominal heat output (60/80 °C)
(Hi/Hs)
%
93,8/84,5
93,6/84,3
Efficiency at 30% 47°C
(Hi/Hs)
%
93,6/84,3
93,2/83,9
Efficiency at minimum
(Hi/Hs)
%
92,4/83,2
93,0/83,7
Number of efficiency stars (dir. 92/42/EEC)
***
***
Rating Sedbuk
D
D
Perdite all'arresto (
∆
T = 30°C)
%
- -
Max. heat loss to the casing (
∆
T = 50°C)
%
0,4
0,4
Perdite al camino bruciator spento
%
- -
E
ffi
ci
enc
y p
er
for
m
a
nc
e
Em
is
si
on
s (DH
W
)
Heat loss through flue gas exhaust when burner operating
%
5,5
6,1
Residual discharge heat
Pa
100
104
NOx class
classe
3
3
Flue gas temperature (G20)
°C
105
114
CO
2
(G20)
%
6,5
6,4
CO (0%O
2
) in heating (G20)
ppm
50
92
O
2
(G20)
%
8,8
8,9
Max. flue gas output (G20)
Kg/h
57,4
67,5
Central
Heating
circuit
Excess air
%
72
74
Expansion vessel pre-charge pressure
bar
1
1
Maximum central heating circuit pressure
bar
3
3
Expansion vessel capacity
l
6,5
6,5
Central Heating maximum capacity
l
100/300
100/300
D.H.W.
circuit
Min/Max heating temperature
°C
35/85
35/85
Min/Max Domestic Hot Water temperature
°C
40/65
40/65
Storage capacity
l
40
40
Specific output of D.H.W. system (10 min. with
∆
T=30°C)
l/min
19,0
21,0
D.H.W. flow rate
∆
T=25°C
l/min
22,8
25,2
D.H.W. flow rate
∆
T=35°C
l/min
16,3
18,0
Comfort performance stars (EN13203)
***
***
D.H.W. minimum flow rate
l/min
0.1 0.1
Electrical and
environment
data
Max./min. Domestic Hot Water pressure
bar
7
7
Power supply voltage/frequency
V/Hz
230/50
230/50
Total power consumption
W
140
160
Minimum operating temperature
°C
5
5
Weight and
dimensions
Electrical system grade of protection
IP
X5D
X5D
Weight kg
55
55
General
comments
Dimensions (W x H x D)
mm
600x943x460
600x943x460