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16
(*) average value between various hot water operation conditions
(**) check performed with concentric pipe Ø 60-100, length 0,85 m. - water termperature 80-60°C.
The data indicated must not be used to certify the system; for certi
fi
cation, use tha data indicated in the "System handbook" measured during
fi
rst ignition.
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
DESCRIPTION
UM
CIAO AT 25C
Output (G31)
Air capacity
Nm
3
/h
36,564
Flue gas capacity
Nm
3
/h
38,503
Mass
fl
ue gas
fl
ow rate (max-min)
g/s
13,602 - 6,039
Fan performance
Residual discharge head of concentric pipes 0.85 m
Pa
25
Residual discharge head of separate pipes 0.5 m
Pa
75
Residual discharge head of boiler without pipes and without
fl
ange
Pa
95
Concentric
fl
ue gas outlet pipes
Diameter
mm
60-100
Maximum length (without
fl
ange)
m
3,5
Losses for a 45°/90° bend
m
1,3/1,6
Hole in wall (diameter)
mm
105
Diameter
mm
80-125
Maximum length (without
fl
ange)
m
9
Losses for a 45°/90° bend
m
1/1,5
Hole in wall (diameter)
mm
130
Twin
fl
ue gas outlet pipes
Diameter
mm
80
Maximum length
m
14 + 14
Losses for a 45°/90° bend
m
1/1,5
Forced open installation B22P-B52P
Diameter
mm
80
Maximum length
m
14
Nox
class 6
Emission values at maximum and minimum output (**)
G20
G31
Maximum
CO s.a. less than
p.p.m.
180
220
CO2
%
7,5
8,4
NOx s.a. lower than
p.p.m.
50
65
T
fl
ue gases
°C
78
81
Minimum
CO s.a. less than
p.p.m.
80
80
CO2
%
5,0
5,5
NOx s.a. lower than
p.p.m.
20
25
T
fl
ue gases
°C
60
62
PARAMETERS
UM
CIAO AT 25C
METHANE GAS
(G20)
LPG
(G31)
Lower Wobbe index (at 15°C-1013 mbar)
MJ/Sm³
45,67
70,69
Net Calori
fi
c Value
MJ/Sm³
34,02
88
Supply nominal pressure
mbar (mm H
2
O)
20 (203,9)
37 (377,3)
Minimum supply pressure
mbar (mm H
2
O) 10
(102,0)
-
Burner: number of nozzles
n°
24
24
Burner: nozzles diameter
Ø
0,85
0,52
CH maximum gas capacity
Sm³/h
2,64
-
kg/h
-
1,94
DHW maximum gas capacity
Sm³/h
2,64
-
kg/h
-
1,94
CH minimum gas capacity
Sm³/h
0,79
-
kg/h
-
0,58
DHW minimum gas capacity
Sm³/h
0,79
-
kg/h
-
0,58
CH maximum pressure downstream valve
mbar
14,20
35,00
mm H
2
O
144,80
356,90
DHW maximum pressure downstream valve
mbar
14,20
35,00
mm H
2
O
144,80
356,90
CH minimum pressure downstream valve
mbar
1,50
3,70
mm H
2
O
15,30
37,73
DHW minimum pressure downstream valve
mbar
1,50
3,70
mm H
2
O
15,30
37,73