64
Models
25
30
35
12 T
20 T
Heat output
Nominal (80-60°C)
kW
19.5
24.6
29.4
11.0
19.5
Nominal (50-30°C)
kW
20.7
26.3
31.2
11.6
20.7
Reduced G20 (80-60°C)
kW
5.7
7.2
8.0
2.7
5.7
Reduced G20 (50-30°C)
kW
6.3
8.0
8.9
3.1
6.3
Reduced G31 (80-60°C)
kW
6.6
7.2
8.0
3.6
6.6
Reduced G31 (50-30°C)
kW
7.3
8.0
8.9
4.1
7.3
Heat input nominal C.H./D.H.W.
kW
20/24
25/30
30/35
11.5
20
Heat input reduced G20/G31
kW
6.0/7.0
7.5
8.2/9.0
3.0/4.0
6.0/7.0
Max/min useful yield (80-60°C)
%
95.2/97.5
96.1/98.2
97.8/98.2
91.2/96.0
95.2/97.5
Max/min useful yield (50-30°C)
%
105.2/103.7 106.2/105.2
108.2/104.3
103.5/102.7
105.2/103.7
Useful yield at 30% of the load (50-30°C)
%
107.3
107.3
109.6
106.0
107.3
Termal efficiency (CEE 92/42 directive)
Losses after shutdown to 50°C (EN 483)
W
101
106
106
112
101
Supply voltage
V-Hz
230-50
230-50
230-50
230-50
230-50
Adsorbed power consumption
W
125
125
130
125
125
Electrical protection grade
IP
X5D
X5D
X5D
X5D
X5D
C.H. setting range
°C
20/80
20/80
20/80
20/80
20/80
Water content boiler
l
4.3
4.8
4.8
3.8
4.3
Maximum water head
bar
3
3
3
3
3
Maximum temperature
°C
85
85
85
85
85
Capacity of the heating expansion vessel
l
6
6
6
6
6
Pressure of the heating expansion vessel
bar
1.2
1.2
1.2
1.2
1.2
D.H.W. setting range
°C
10/60
10/60
10/60
--
--
D.H.W. flow rate (EN 625)
l/min
10.5
13.4
15.2
--
--
Continuous D.H.W. flow rate
∆
t 30°C
l/min
11.3
14.1
16.0
--
--
Minimum D.H.W. flow rate
l/min
2.2
2.2
2.2
--
--
D.H.W. pressure min/max
bar
0.5/7.0
0.5/7.0
0.5/7.0
--
--
Exhaust fumes temperature at max flow rate (80-60°C)
°C
75
68
69
68
75
Exhaust fumes temperature at min. flow rate (80-60°C)
°C
56
57
50
57
56
Exhaust fumes temperature at max flow rate (50-30°C)
°C
57
52
52
57
57
Exhaust fumes temperature at min. flow rate (50-30°C)
°C
39
36
33
43
39
Smokes flow min/max
kg/h
10/35
13/44
14/52
5/20
10/35
CO
2
at max/min flow rate G20
%
9.0/9.0
9.0/9.0
9.0/9.0
9.2/9.2
9.0/9.0
CO
2
at max/min flow rate G31
%
10.0/10.0
10.0/10.0
10.0/10.0
10.0/10.0
10.0/10.0
CE certification
n°
1312BT5266
Category
II2H3P
Type
B23P-53P/C13-33-43-53-83
NOx emission class
5 (< 30 mg/kWh)
Weight when empty
kg
38
41
42
33
38
Main burner nozzle
Quantity nozzles
n°
1
1
1
1
1
G20/G31 nozzle diameter
ø
7.0/5.0
7.5/6.0
8.5/5.2
4.0/3.1
7.0/5.0
Consumption at maximum/minimum flow rate
G20
m
3
/h
2.54/0.63
3.17/0.79
3.68/0.87
1.21/0.31
2.54/0.63
G31
kg/h
1.86/0.54
2.33/0.58
2.70/0.70
0.89/0.31
1.86/0.54
Gas supply pressure
G20/G31
mbar
20/37
20/37
20/37
20/37
20/37
1.3
TECHNICAL FEATURES
Summary of Contents for FORMAT DGT HE 12
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