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2 TECHNICAL DATA
DESCRIPTION
Nominal heat input (***)
Heating
Nominal heat output (80°/60°)
Nominal heat output (50°/30°)
Reduced heat input
Reduced heat output (80°/60°)
Reduced heat output (50°/30°)
Nominal Range Rated heat input (Qn)
Minimum Range Rated heat input (Qm)
DHW
Nominal heat input (***)
Nominal heat output (*)
Reduced heat input
Reduced heat output (*)
Useful efficiency Pn max - Pn min (80°/60°)
Combustion efficiency
Useful efficiency Pn max - Pn min (50°/30°)
Useful efficiency Pn max 30% (30° return)
Efficiency at average P Range Rated (80°/60°)
Efficiency at average P Range Rated 30% (30° return)
Overall electric output (max CH-DHW output)
Circulator electric power (1.000 l/h)
Category ● Country of destination
Voltage supply
Protection level
Stop loss
Losses at the flue with burner off - burner on
Heating operation
Maximum pressure
Minimum pressure for standard operation
Maximum temperature
Selection field of heating water temperature (Std/Low temp.)
Pump: maximum head available
for system capacity
Membrane expansion tank
Expansion tank pre-loading (heating)
Gas pressure
Nominal pressure natural gas (G20 - I2H)
Nominal pressure MTN-H (G20.2 - I2Y20)
Nominal pressure LPG (G31 - I3P)
CH output
Air capacity
Flue gas capacity
Mass flue gas flow rate (max-min)
DHW output
Air capacity
Flue gas capacity
Mass flue gas flow rate (max-min)
Fan performance
Residual discharge head of concentric pipes 0.85 m
Residual discharge head of separate pipes 0.5 m
Residual discharge head of boiler without pipes
Nox
Emission values at maximum and minimum output (**)
Maximum-Minimum
(*) Average value between various hot water operation conditions.
(**) Check performed with concentric pipe Ø 60-100, length 0,85 m. - water temperature in CH 80-60°C - values measured with casing fully closed
(***) The rated heat input with gas G20.2 (I2Y20) undergoes a reduction:
- CIAO X 15R: Qn heating=14kW; Qn DHW=23kW
- CIAO X 25R: Qn heating=18kW; Qn DHW=23kW.
(+) The installation of this product is allowed only in the destination Countries contained in the data plate, regardless of the present translation language.
The data indicated must not be used to certify the system; for certification, use tha data indicated in the "System handbook" measured during first ignition.
b
DHW functions refer only if a water tank is connected (accessory available on request)
UM
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
kW-kcal/h
%
%
%
%
%
%
W
W
V-Hz
IP
W
%
bar
bar
°C
°C
mbar
l/h
l
bar
mbar
mbar
mbar
Nm
3
Nm
3
g/s
Nm
3
Nm
3
g/s
Pa
Pa
Pa
CO s.a. less than
p.p.m.
CO
%
2
NOx s.a. less than
p.p.m.
T flue gases
°C
15R
G20
15,00-12.900
14,51-12.474
15,86-13.635
3,10-2.666
5,00-4.300
2,94-2.525
4,80-4.128
3,04-2.613
5,21-4.482
-
-
25,00-21.500
25,00-21.500
3,10-2.666
5,00-4.300
3,10-2.666
5,00-4.300
96,7-94,7
97,2
105,7-98,0
109,6
-
-
64 - 95
42
II2H3P - (*)
II2HY203P - (*)
230-50
X5D
30
0,12-2,82
3
0,25÷0,45
90
20÷80/20÷45
408
1.000
8
1
G20
G20.2
20
-
-
20
-
-
G20
/h
18,223
18,614
/h
19,728
19,778
6,814-1,408
6,973-2,324
G20
/h
30,372
31,024
/h
32,880
32,963
11,357-1,408
11,621-2,324
60
180
186
class 6
G20
110-10
110-30
9,0-9,0
10,0-10,0
20-30
20-40
71-64
71-63
21
25R
G31
G20
20,00-17.200
19,38-16.667
20,92-17.991
3,10-2.666
2,94-2.525
3,04-2.613
20,00-17.200
8,20-7.052
25,00-21.500
25,00-21.500
3,10-2.666
3,10-2.666
96,9-94,7
97,2
104,6-98,0
109,1
97,0
109,3
62 - 95
42
II2H3P - (*)
II2HY203P - (*)
230-50
X5D
30
0,09-2,80
3
0,25÷0,45
90
20÷80/20÷45
408
1.000
8
1
G31
G20
G20.2
-
20
-
-
-
20
37
-
-
G31
G20
24,298
26,304
9,086-1,408
G31
G20
30,372
32,880
11,357-1,408
60
180
186
class 6
G31
G20
140-10
9,0-9,0
50-30
77-64
EN
G31
5,00-4.300
4,80-4.128
5,11-4.395
8,20-7.052
5,00-4.300
5,00-4.300
G31
-
-
37
G31
24,819
26,370
9,297-2,324
G31
31,024
32,963
11,621-2,324
G31
140-30
10,0-10,0
40-40
81-63
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