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1.3
TECHNICAL FEATURES
Heat output
Nominal
Minimum
Heat input
Nominal
Minimum
Termal efficiency (CEE 92/42 directive)
Class NOx
Water content
Adsorbed power consumption
Electrical protection grade
Maximum water head
Maximum temperature
Expansion vessel
Water content/Preloading pressure
C.H. setting range
D.H.W. setting range
D.H.W. flow rate (EN 625)
Continuous D.H.W. flow rate ∆t 30°C
Minimum D.H.W. flow rate
D.H.W pressure
Minimum/Maximum
Smokes temperature
Smokes flow
Losses after shutdown to 50°C
Category
Type
Weight
Main burner nozzle
Quantity
Natural gas (G20)
LPG (G30 - G31)
Gas consumption *
Natural gas (G20)
Butane (G30)
Propane (G31)
Burner gas pressure
Natural gas (G20)
Butane (G30)
Propane (G31)
Gas supply pressure
Natural gas (G20)
Butane (G30)
Propane (G31)
* 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.
25 Solar
kW
23.7
kcal/h
20,400
kW
kcal/h
7,600
kW
25.5
kW
10.2
l
W
120
IPX4D
bar
°C
l/bar
8/1
°C
30÷80
°C
30÷60
l/min
11.0
l/min
11.3
l/min
bar
0.50/7
°C
110/145
gr/s
14.9/16.4
W/h
II
B
/C
22-52
kg
n°
ø mm
1.30
ø mm
0.77
3
m
/h
2.70
kg/h
2.01
kg/h
1.98
mbar
2.0÷ 11.8
mbar
4.8÷28.5
mbar
6.3÷36.5
mbar
mbar
28 - 30
mbar
8.8
3
7. 1
3
85
2.4
7
2H3+
-
-
-
-
B
12
32
42
52
82
22-52
38
12
20
37
30 Solar
28.0
24, 1 00
10.7
9,200
30.0
12.0
3
8.0
140
IPX4D
3
85
8/1
30÷80
30÷60
13. 1
13.4
2.4
0.65/7
109/133
18.2/19.4
87
II
2H3+
/C
-
-
-
-
12
32
42
52
82
40
14
1.30
0.77
3. 1 7
2.37
2.33
2. 1 ÷ 12.0
5.0÷28.5
6.5÷36.5
20
28 - 30
37
73
IT
ES
PT
GB
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