29
ENGLISH
8 - Technical data
Description
Start Condens 25 IS
Fuel
G20
G31
Appliance category
II2H3P
Country of destination
(+)
Type of appliance
B23P, B53P, C13-C13x, C23, C33-C33x, C43-C43x, C53-C53x, C83-C83x,
C93-C93x
Heating
Nominal heat input
kW
20,00
Nominal heat output (80/60°C)
kW
19,50
Nominal heat output (50/30°C)
kW
20,84
Reduced heat delivery
kW
5,00
Reduced heat output (80/60°C)
kW
4,91
Reduced heat output (50/30°C)
kW
5,36
Nominal Range Rated thermal output (Qn)
kW
20,00
Minimum Range Rated thermal output (Qn)
kW
5,00
Domestic hot water
Nominal heat input
kW
25,00
Nominal heat output (*)
kW
25,00
Reduced heat delivery
kW
5,00
Reduced heat output (*)
kW
5,00
Domestic hot water
Useful efficiency Pn max - Pn min (80/60°C)
%
97,5 - 98,1
Useful efficiency 30% (47° C return)
%
102,2
Useful efficiency Pn max - Pn min (50/30°C)
%
104,2 - 107,2
Useful efficiency 30% (30° C return)
%
108,9
Efficiency at average P Range Rated (80/60°C)
%
97,8
Combustion efficiency
%
97,9
Residual discharge head of boiler without pipes
Pa
100
Flow rate CH
Mass flue gas flow rate maximum output
g/s
9,086
8,901
Mass flue gas flow rate minimum output
g/s
2,167
2,225
Air capacity
Nm
3/
h
24,298
23,711
Flue gas capacity
Nm
3/
h
26,304
25,262
Air excess index (
λ
) maximum output
%
1,269
1,281
Air excess index (
λ
) minimum output
%
1,207
1,281
Flow rate DHW
Mass flue gas flow rate maximum output
g/s
11,357
11,126
Mass flue gas flow rate minimum output
g/s
2,167
2,225
Air capacity
Nm
3/
h
30,372
29,639
Flue gas capacity
Nm
3/
h
32,880
31,578
Air excess index (
λ
) maximum output
%
1,269
1,281
Air excess index (
λ
) minimum output
%
1,207
1,281
Emissions
CO
2
at maximum/minimum
%
9,0 - 9,5
10,5 - 10,5
CO S.A. at maximum/minimum lower than
ppm
180 - 20
190 - 20
NOx S.A. at maximum/minimum lower than
ppm
30 - 20
35 - 35
Flue gases temperature (max/min output)
°C
65 - 58
62 - 55
NOx class
5
CH operation
heating maximum operating pressure
bar
3
Minimum pressure for standard operation
bar
0,25 - 0,45
Maximum permissible temperature
°C
90
Selection field of the boiler water temperature
°C
20/45 - 40/80
Electrical supply
Volt-Hz
230/50
Expansion tank
l
8
Expansion tank pre-charge
bar
1
CH operation
Overall heating electric power
W
68
Overall DHW electric power
W
82
Circulator electric power (1.000 l/h)
W
39
Electrical protection level
IP
X5D
(*) Average value of various hot water operating conditions
9
The parts concerning the DHW should only be considered when connected to a storage tank (accessory available on request)
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
Summary of Contents for Start Condens 25 IS
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