
35
IT
EN
1.5
Technical features
DESCRIPTION
24 OF
CERTIFICATIONS
Country of intended installation
IT – ES – PT – GR – SI – UK – UZ
Fuel
G20 - G30/G31
PIN number
1312CP5940
Category
II2H3+
Type
B11BS
Class NO
x
3 (< 150 mg/kWh)
DHW rated useful heat output
kW
23,1
HEATING PERFORMANCE
HEAT INPUT
Nominal
kW
25,0
Minimum
kW
10,0
HEAT OUTPUT
Nominal (80-60°C)
kW
23,0
Minimum (80-60°C)
kW
8,7
EFFICIENCY
Max useful efficiency (80-60°C)
%
92,2
Min useful efficiency (80-60°C)
%
87,0
Useful efficiency at 30% of load (50-30°C)
%
91,5
Thermal efficiency (EEC 92/42)
Losses after shutdown at 50°C
W
168
DOMESTIC HOT WATER PERFORMANCE
Nominal heat input
kW
25,0
Minimum heat input
kW
10,0
D.H.W. flow rate ΔT 30°C
l/min
10,9
Continuous D.H.W. flow rate (ΔT 25°C / ΔT 35°C)
l/min
13,3 / 9,5
Minimum D.H.W. flow rate
l/min
2,2
Max / Min Pressure
bar
7 / 0,4
kPa
700 / 40
ELECTRICAL SPECIFICATIONS
Power supply voltage
V
230
Frequency
Hz
50
Absorbed electrical power
W
79
Electrical protection degree
IP
X4D
COMBUSTION DATA
Smoke temperature at Max/Min flow (80-60°C)
°C
107,7 / 81,0
Maximum smoke flow Min/Max
g/s
18 / 16
CO
2
at Max / Min flow rate (G20)
%
5,3 / 2,3
CO
2
at Max / Min flow rate (G31)
%
5,8 / 2,6
NOZZLES - GAS
Number of nozzles
No.
13
Nozzle diameter (G20)
mm
1,30
Nozzle diameter (G30/G31)
mm
0,72
Gas consumption at Max/Min flow rate (G20)
m
3
/h
2,65 / 1,05
Gas consumption at Max/Min flow rate (G30)
kg/h
1,97 / 0,79
Gas consumption at Max/Min flow rate (G31)
kg/h
1,94 / 0,78
Gas supply pressure (G20/G30/G31)
mbar
20 / 28-30 / 37
kPa
2 / 2,8-3 / 3,7
TEMPERATURE - PRESSURE
Max operating temperature
°C
85
Heating adjustment range
°C
20 ÷ 80
Domestic hot water adjustment range
°C
10 - 60
Max operating pressure
bar
3
kPa
300
Water content in boiler
l
3,15
Lower Heat Output (Hi)
G20 Hi.
9.45 kW/m
3
(15°C, 1013 mbar) - G30 Hi. 12.68 kW/kg (15°C, 1013 mbar) - G31 Hi. 12.87 kW/kg (15°C, 1013 mbar)
Summary of Contents for 24 OF
Page 114: ...114 ...
Page 115: ...115 ...
Page 116: ...Via Garbo 27 37045 Legnago Vr Tel 39 0442 631111 Fax 39 0442 631292 ...