Ariston CLAS EVO SYSTEM 24 CF - Page 68

Training manual CLAS X
Pag. 68 di 69
Model Name
CLAS EVO
24 FF
CLAS EVO
28 FF
CE certification (pin)
1312BR4793
Boiler type
C12-C32-C42-C52-C62-C82-
B22-B22p-B32
Max/min nominal heat input(Hi)
kW
25,8 / 11,0
30,0 / 13,0
Max/min nominal heat input (Hs)
kW
28,7 / 12,2
33,3 / 14,4
Max/min nominal heat input for hot water (Hi)
kW
27 / 11,0
31,3 / 13,0
Max/min nominal heat input for hot water (Hs)
kW
30 / 12,2
34,8 / 14,4
Heat output: max/min
kW
24,2 / 9,8
28,1 / 11,6
D.H.W. Heat output: max/min
kW
25,3 / 9,8
29,3 / 11,6
Combustion efficiency (at flue) Hi/Hs
%
94,5
93,9
Gross efficiency of nominal heat input (60/80 °C) Hi/Hs
%
93,8 / 84,5
93,6 / 84,3
Gross efficiency at 30 % at 47°C Hi/Hs
%
93,6 / 84,3
93,2 / 83,9
Gross efficiency at minimum power Hi/Hs
%
89,2 / 80,3
89,3 / 80,4
Number of efficiency stars (Directive 92/42/EEC)
stars
***
***
Rating Sedbuk
class
D
D
Ma. heat loss to the casing (∆T = 50°C)
%
0,7
0,3
Heat loss through the flue when burner on
%
5,5
6,1
Heat loss through the flue when burner off
%
0,4
0,4
Residual discharge head
Pa
100
104
Nox class
class
3
3
Flue fumes temperature (G20)
°C
105
114
CO2 content2 (G20)
%
6,5
6,4
CO content (0 %02)
ppm
50
92
O2 content2 (G20)
%
8,8
8,9
Max capacity fumes (G20)
kg/h
57,4
67,5
Excess air
%
72
74
Load losses water side (max) ∆T=20°C
(mbar)
200
200
Residual head for the system
bar
0,25
0,25
Expansion vessel pre-charged pressure
bar
1
1
Maximum central heating circuit pressure
bar
3
3
Expansion vessel capacity
l
6,5
6,5
Central heating temperature: max/min(high temperature
range)
°C
82 / 35
82 / 35
Domestic hot water temperature max/min
°C
60 / 36
60 / 36
Specific flow rate of domestic hot water system (10 min.
with ∆T=30°C)) instant boilers
l/min
12,5
14,1
D.H.W. flow rate ∆T=25°C
l/min
14,5
16,8
D.H.W. flow rater ∆T=35°C
l/min
10,4
12
Hot water comfort stars (EN13203)
stars
3
3
D.H.W. minimum flow rate
l/min
1,7
1,7
Domestic hot water pressure max/min
bar
7
7
Power supply voltage/frequency
V/Hz
230/50
230/50
Power consumption
W
112
129
Minimum operating room temperature
°C
5
5
Electric system grades of protection
IP
X5D
X5D
Weight
kg
30
31
AGGIORNARE