7
ENGLISH
CH
Nominal thermal flow rate
Nominal thermal power (80°/60°)
Nominal thermal power (50°/30°)
Reduced thermal flow rate
Reduced thermal power (80°/60°)
Reduced thermal power (50°/30°)
DHW
Nominal thermal flow rate
Maximum thermal power *
Reduced thermal flow rate
Minimum thermal power *
Working efficiency Pn max - Pn min (80°/60°)
Working efficiency 30% (47° return)
Combustion efficiency
Working efficiency Pn max - Pn min (50°/30°)
Working efficiency 30% (30° return)
Electric power
Category
Supply voltage
Protection level
Chimney and skirt losses with burner on
CH operation
Maximum pressure - temperature
Minimum pressure for standard operating
Selection field of CH water temperature
Pump: maximum head available for system
capacity
Membrane expansion tank
Expansion vessel pre-charge (CH)
DHW operation
Maximum pressure
Minimum pressure
Hot water quantity
∆
t 25° C
∆
t 30° C
∆
t 35° C
DHW minimum capacity
Selection field of DHW temperature
Flow regulator
Gas pressure
Natural gas pressure (G20)
LPG pressure (G31)
Hydraulic connections
CH input-output
DHW input-output
Gas input
Boiler dimensions and weight
Height
Width
Depth
Weight
Fan performance
Residual head,separated pipes 0,5 m + Ø 80 mm
Flow rates (G20)
Air capacity
Fumes capacity
Mass flow (max-min)
Fume exhaustion and air suction concentric pipe
Diameter
Max lenght
Loss for a 90°/45° bend
Hole in wall (diameter)
Fume exhaustion and air suction concentric pipe
Diameter
Max lenght
Loss for a 90°/45° bend
Hole in wall (diameter)
Fume exhaustion and air suction separated pipe
Diameter
Max lenght
Loss for a 90°/45° bend
Forced open installation (B23P/B53P)
Diameter
Max lenght
Loss for a 90°/45° bend
NOx
Emission values at maximum and minimum of gas G20 ***
Maximum
CO s.a. lower than
CO
2
NOx s.a. lower than
∆
t fumes
Minimum
CO s.a. lower than
CO
2
NOx s.a. lower than
∆
t fumes
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
V - Hz
IP
%
bar-°C
bar
°C
mbar
l/h
l
bar
bar
bar
l/min
l/min
l/min
l/min
°C
l/min
mbar
mbar
Ø
Ø
Ø
mm
mm
mm
kg
Pa
Nm
3
/h
Nm
3
/h
gr/s
mm
m
m
mm
mm
m
m
mm
mm
m
m
mm
m
m
p.p.m.
%
p.p.m.
°C
p.p.m.
%
p.p.m.
°C
30,00
25.800
29,0
24.949
31,4
27.038
7,00
6.020
6,8
5.857
7,4
6.339
33,00
28.380
33,00
28.380
7,00
6.020
7,00
6.020
96,7 - 97,3
101,9
96,7
104,8 - 105,3
108,4
123
II2H3P
230 - 50
X5D (C type) - X4D (B type)
3.30 - 0,50
3 - 90
0,25 - 0,45
20/45-40/80
300
1000
10
1
6
0,15
19
15,8
13,5
2
35 - 60
14
20
37
3/4”
1/2”
3/4”
780
450
358
43
80
39,689
42,697
14,37 - 3,17
60 - 100
7,85
0,85/0,5
105
80 - 125
17
0,85/0,5
130
80
35 + 35
0,85/0,5
80
55
0,85/0,5
5 class
90
8,5
25
74
10
9,0
20
58
30 S
* Average value among various sanitary running conditions./ *** Tested with ø 60-100 concentric - lenght 0,85m - water temperature 80-60°C.
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