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67
TECHNICAL DATA
GEN. NOTES
Model Name
HS C 24 FF NG
Boiler type
C12-C22-C32-C42-C52-C62-C82 B22-
B22p-B32
POWER SPECIFICA
TIONS
Max/min nominal heat input (Hi) Qn
kW
25,8 / 11,0
Max/min nominal heat input (Hs) Qn
kW
28,7 / 12,2
Max/min nominal heat input for hot water (Hi)
kW
25,8 / 11,0
Max/min nominal heat input for hot water (Hs)
kW
28,7 / 12,2
Heat output: max/min
kW
24,0 / 9,5
D.H.W. Heat output: max/min
kW
24,0 / 9,5
Combustion efficiency
%
93,7
Gross efficiency of nominal heat input (60/80 °C)
Hi/Hs
%
93,1 / 83,8
Gross efficiency at 30 % at 47°C
Hi/Hs
%
89,2 / 80,4
Gross efficiency at minimum power
Hi/Hs
%
86,7 / 78,1
Number of efficiency stars (Directive 92/42/EEC)
stars
Ma. heat loss to the casing (∆T = 50°C)
%
0,6
Heat loss through the flue when burner on
%
6,3
Heat loss through the flue when burner off
%
0,4
EMISSIONS
Residual discharge head
Pa
120
Nox class
class
3
Flue fumes temperature (G20)
°C
117
CO2 content
2
(G20)
%
6,5
CO content (0 %0
2
)
ppm
60
O2 content2
(G20)
%
8,8
Max capacity fumes (G20)
kg/h
56,9
Excess air
%
72
HEA
TING CIRCUIT
Expansion vessel pre-charged pressure
bar
1
Maximum central heating circuit pressure
Mpa
(bar)
0,3
(3)
Expansion vessel capacity
l
8
Central heating temperature max/min
°C
82 / 35
DOMESTIC HOT
W
ATER CIRCUIT
Domestic hot water temperature max/min
°C
60 / 36
Specific flow rate of D.H.W. system (10 min. with ∆T=30°C)) instant boilers
l/min
11,2
D.H.W. flow rate ∆T=25°C
l/min
13,5
D.H.W. flow rater ∆T=35°C
l/min
9,6
Hot water comfort stars (EN13203)
stars
D.H.W. minimum flow rate
l/min
< 2
Domestic hot water pressure max/min
Mpa
(bar)
0,7 / 0,1
(7 / 1)
ELECTRICAL
DA
TA
Power supply voltage/frequency
V/Hz
230/50
Power consumption
W
112
Minimum operating room temperature
°C
+5
Electric system grades of protection
IP
X5D
Weight
kg
28
Summary of Contents for 3636085
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