10
descrizione del prodotto
product description
Technical Data
GEN. NO
TES
Model Name
CLAS EVO 24 CF
CLAS EVO
SYSTEM 24 CF
CLAS EVO
SYSTEM 28 CF
CE certifi cation (pin)
1312BR4794
1312BR4923
Boiler type
B11 - B11bs
ELEC
TRICAL PERFORM
ANCE
Max/min nominal heat input(Hi)
kW
25,8 / 11,0
25,8 / 11,0
29,5 / 13,0
Max/min nominal heat input (Hs)
kW
28,7 / 12,2
28,7 / 12,2
32,8 / 14,4
Max/min nominal heat input for hot water (Hi)
kW
27 / 11,0
27 / 11,0
30,5 / 13
Max/min nominal heat input for hot water (Hs)
kW
30 / 12,2
30 / 12,2
33,9 / 14,4
Heat output: max/min
kW
23,7 / 9,9
23,7 / 9,9
26,7 / 11,2
D.H.W. Heat output: max/min
kW
24,8 / 99
24,8 / 99
27,6 / 11,2
Combustion effi
ciency (at fl ue) Hi/Hs
%
93,0
93,0
92,3
Gross effi
ciency of nominal heat input (60/80 °C) Hi/Hs
%
91,9 / 82,8
91,9 / 82,8
90,6 / 81,6
Gross effi
ciency at 30 % at 47°C Hi/Hs
%
91,2 / 82,1
91,2 / 82,1
89,7 / 80,8
Gross effi
ciency at minimum power Hi/Hs
%
90,2 / 81,2
90,2 / 81,2
86,5 / 77,9
Number of effi
ciency stars (Directive 92/42/EEC)
stars
***
***
**
Rating Sedbuk
class
D
D
D
Ma. heat loss to the casing (ΔT = 50°C)
%
1,1
1,1
1,7
Heat loss through the fl ue when burner on
% 7,0
7,0
7,7
Heat loss through the fl ue when burner off %
0,4
0,4
0,4
EMISSIONS
Residual discharge head
Pa
3
3
3
Nox class
class
3
3
3
Flue fumes temperature (G20)
°C
118
118
133
CO2 content
2
(G20)
%
5,8
5,8
6,2
CO content (0 %0
2
)
ppm
53
53
41
O2 content2
(G20)
%
10,1
10,1
9,3
Max capacity fumes (G20)
kg/h
63,6
63,6
68,9
Excess air
%
93
93
80
HEA
TING CIRCUIT
Load losses water side (max) ΔT=20°C
(mbar)
200
200
200
Residual head for the system
bar
0,25
0,25
0,25
Expansion vessel pre-charged pressure
bar
1
1
1
Maximum central heating circuit pressure
bar
3
3
3
Expansion vessel capacity
l
8
8
8
Central heating temperature: max/min(high temperature
range)
°C
82 / 35
82 / 35
82 / 35
DOMESTIC HO
T
W
A
TER CIRCUIT
Domestic hot water temperature max/min
°C
60 / 36
60 / 40
60 / 40
Specifi c fl ow rate of domestic hot water system (10 min. with
ΔT=30°C)) instant boilers
l/min
12,2
D.H.W. fl ow rate ΔT=25°C
l/min
14.5
D.H.W. fl ow rater ΔT=35°C
l/min
10,2
Hot water comfort stars (EN13203)
stars
3
D.H.W. minimum fl ow rate
l/min
1,7
Domestic hot water pressure max/min
bar
7
ROOMELEC
TRICAL
DA
TA
Power supply voltage/frequency
V/Hz
230/50
230/50
230/50
Power consumption
W
79
79
90
Minimum operating room temperature
°C
+5
+5
+5
Electric system grades of protection
IP
X5D
X5D
X5D
Weight
kg
30
30
31
