1.3
TECHNICAL FEATURES
65
ES
PT
ENG
* Gas consumption figures express the lowest calorific power of pure gas under standard conditions at 15°C – 1013 mbar; this figure may differ from the actual
figure, which is dependent on gas composition and environmental conditions.
FORMAT DGT
25 OF
25 BF
30 BF
Heat output
Nominal
kW
22.8
23.6
27.8
Reduced
kW
8.5
7.5
9.0
Heat input
Nominal
kW
25.0
25.5
30.0
Reduced
kW
10.0
9.2
10.8
Thermal yield 100% useful
91.3
93.0
93.0
Thermal yield useful at 30% of load
90.1
90.5
91.1
Termal efficiency (CEE 92/42 directive)
!!
!!!
!!!
Losses after shutdown to 50°C (EN 483)
W
182
82
92
Supply voltage
V-Hz
230-50
230-50
230-50
Adsorbed power consumption
W
85
110
115
Electrical protection grade
IP
X4D
X5D
X5D
C.H. setting range
°C
40÷80
40÷80
40÷80
Water content boiler
l
3.40
3.25
3.50
Maximum water head
bar
3
3
3
Maximum temperature
°C
85
85
85
Header tank capacity
l
8
8
8
Header tank pressure
bar
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
10.9
11.3
13.0
Continuous D.H.W. flow rate
Δ
t 30°C
l/min
10.9
11.3
13.4
Minimum D.H.W. flow rate
l/min
2.0
2.0
2.0
D.H.W pressure min/max
bar
0.2/7
0.2/7
0.2/7
D.H.W. pressure min. nom. power
bar
0.3
0.4
0.3
Smokes temperature min/max
°C
83/110
94/116
100/125
Smokes flow min/max
g/s
16/18
17/16
19/19
CE certification
No.
1312BU5373
1312BU5372
1312BU5372
Category
II
2H3+
II
2H3+
II
2H3+
Type of appliance
B
11BS
B
22P-52P
/C
12-32-42-52-62-82
B
22P-52P
/C
12-32-42-52-62-82
NOx emission class
3 (< 150 mg/kWh)
3 (< 150 mg/kWh)
3 (< 150 mg/kWh)
Weight when empty
kg
26
30
31
Main burner nozzle
Quantity nozzles
n°
13
11
13
Nozzle diameter
G20
mm
1.30
1.30
1.30
Nozzle diameter
G30/G31
mm
0.72
0.80
0.78
Gas consumption *
Natural gas (G20)
m
3
/h
2.61
2.70
3.17
LPG (G30/G31)
kg/h
1.96
2.01
2.37
Burner gas pressure min/max
Natural gas (G20)
mbar
1.6/9.5
1.9/13.5
1.9/13.2
Butane (G30)
mbar
4.6/27.7
3.7/27.9
4.1/26.8
Propane (G31)
mbar
4.6/35.7
3.7/35.9
4.1/34.8
Gas supply pressure
Natural gas (G20)
mbar
20
20
20
Butane (G30)
mbar
28–30
28–30
28–30
Propane (G31)
mbar
37
37
37
