Ariston CLAS - Pag. 2 DI

Manuale didattico CLAS
Pag. 71 di 71
Manuale Didattico – ACO
General
notes
Model name
24 FF
(to Feb.
2008)
24 FF
(from
Mar.
2008)
28 FF
CE certification (pin)
1312BR479
3
1312BR479
3
1312BR479
3
Boiler type
C
12
- C
32
- C
42
- C
52
- C
62
- B
22
- B
32
Energetic performance
Nominal heat input max/min (Hi)
kW
25,8/11,0
25,8/11,0
30,0/13,0
Nominal heat input max/min (Hs)
kW
28,7/12,2
28,7/12,2
33,3/14,4
Sanitary heat input max/min (Hi)
kW
27/11,0
27/11,0
31,3/13
Sanitary heat input max/min (Hs)
kW
30/12,2
30/12,2
34,8/14,4
Thermal power max/min
kW
24,2/9,8
24,2/9,8
28/11,6
Combustion efficiency
%
95,0
94,5
93,9
Efficiency at the nominal heat input (60/80°C) Hi/Hs
%
93,8/84,5
93,8/84,5
93,8/84,3
Efficiency at 30% 47°C Hi/Hs
%
93,6/84,3
93,6/84,3
93,2/83,9
Efficiency at minimum Hi/Hs
%
89,2/80,3
89,2/80,3
89,3/80,4
Efficiency stars (dir. 92/42/EEC)
n°
3
3
3
Maximum heat loss to casing (∆T=50°C)
%
1,1
0,7
0,3
Heat loss to flue with burner in function
%
5
8,5
6,1
Heat loss to flue with burner off
%
0,4
0,4
0,4
Heating
Emissions
Residual evacuation head
mbar
1,0
1,0
1,04
Flue gas temperature (G20)
°C
98,7
105
113,5
CO
2
contents (G20)
%
6,57
6,51
6,43
CO contents (0%O
2
)
ppm
43
50
99
O
2
contents
%
8,68
8,78
8,92
Nox class
n°
3
3
3
Air excess
%
70,4
71,8
64,75
Sanitary
Emission
Flue gas maximum flow (G20)
kg/h
56
57,3
67,5
Flue gas temperature (G20)
°C
98,4
111,1
118
CO
2
contents (G20)
%
6,96
6,77
6,66
CO contents (0%O
2
)
ppm
64
61
138
O
2
contents
%
7,99
8,32
8,52
Air excess
%
61,43
65,6
68,22
Heating circuit
Water side pressure loss (max) ∆T=20°C
mbar
200
200
200
System residual head
bar
0,25
0,25
0,25
System fill minimum pressure
bar
0,4
0,4
0,4
Heating maximum pressure
bar
3
3
3
Expansion vessel capacity
litres
8
8
8
Expansion vessel pre-load
bar
1
1
1
Heating temperature max/min (low temp. range)
°C
85/35
85/35
85/35
Sanitary circuit
Sanitary temperature max/min
°C
60/36
60/36
60/36
Sanitary specific flow (10 min. with ∆T=30°C)
Litres/min
12,5
12,5
14,1
Quantity of hot water ∆T=25°C
Litres/min
15
15
16,9
Quantity of hot water ∆T=35°C
Litres/min
10,7
10,7
12,1
Confort performance stars (EN13203)
n°
3
3
3
Minimum hot water flow
Litres/min
1,6
1,6
1,6
Sanitary pressure max/min
bar
6/0,2
6/0,2
6/0,2
Electrical
and
ambient
data
Supply voltage frequency
V/Hz
230/50
230/50
230/50
Total electrical power absorbed
W
124
124
136
Electrical system protection
IP
X5D
X5D
X5D
Minimum ambient temperature
°C
5
5
5
Weight
and
dimension
Weight
kg
31
30
31
Dimensions (L x A x P)
cm
400x780x315
400x780x315
400x780x315