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3 TECHNICAL DATA
DESCRIPTION
Heating
Rated heat input
Nominal heat output (80°/60°)
Nominal heat output (50°/30°)
Reduced heat input
Reduced heat output (80°/60°)
Reduced heat output (50°/30°)
Rated heat input
DHW
Nominal heat output (*)
Reduced heat input
Reduced heat output (*)
Total electric power (max power HEATING - DHW.)
Circulator electric power (1.000 l/h)
Category Country of destination
Heat loss on shut-down
Heating operation
Maximum pressure
Minimum pressure for standard operation
Maximum temperature
H
O temperature
2
Membrane expansion vessel
Expansion tank pre-loading (heating)
DHW operation
Maximum pressure
Minimum pressure
Quantity of hot water
with
with
with
DHW minimum output
H
O temperature
2
Flow regulator
Gas pressure
Nominal natural gas pressure (G20 - I2H)
Nominal MTN-H pressure (G20.2 - I2Y20)
Heating
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
Maximum permissible emission value (**)
Qn-Qr
CO (0% O
CO
2 (***)
NOx (0% O
Flue gas T
Qmax
O
value relative to the
2
20% hydrogen mixture
Qmin
(*) Average value of various hot water operating conditions
(**) Test carried out with Ø60-100 concentric pipe, length 0.85m. - in heating, water temperature 80-60°C - values measured with the casing completely closed
(***) Tolerance CO
= ±1%
2
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
%
%
%
%
W
W
V-Hz
W
%
bar
bar
°C
°C
mbar
l/h
l
bar
bar
bar
l/min
l/min
l/min
l/min
°C
l/min
mbar
mbar
mbar
Nm
/h
3
Nm
3
/h
g/s
Nm
3
/h
Nm
3
/h
g/s
) less than
p.p.m.
2
%
) less than
p.p.m.
2
°C
max
%
nominal
%
min
%
max
%
nominal
%
min
%
25 HM KIS
G20
G31
20,00-17.200
19,53-16.799
21,31-18.323
2,50-2.150
-
3,00-2.580
2,34-2.009
-
2,87-2.465
2,57-2.213
-
3,19-2.743
25,00-21.500
I2Y20: 24,00-20.640
25,00-21.500
2,50-2.150
-
3,00-2.580
2,50-2.150
-
3,00-2.580
97,7-93,5
98,0
106,5-102,9
108,8
73-87
43
230-50
X5D
30
0,09-2,04
3
0,25÷0,45
90
40-80 (high)
20-45 (low)
450
1.000
9
1
8
0,5
14,3
11,9
10,2
2
37-60
10
20
-
-
20
-
20
-
-
-
-
37
-
G20
G31
24,804
24,819
31,005
26,811
26,370
33,513
9,267-1,158
9,297-1,162
11,584-1,390 11,726-1,627 13,900-1,622 14,072-1,627
G20
G31
31,005
31,024
37,206
33,513
32,963
40,216
11,584-1,158
11,621-1,162
13,900-1,390 14,072-1,627 16,171-1,622 16,370-1,627
60
180
186
class 6
G20
G31
230-15
250-20
200-15
8,8-8,8
10,0-10,0
8,8-8,8
40-30
50-50
30-30
79-60
78-60
71-57
2,4
4,3
6,2
2,4
4,3
6,2
4
30 HM KIS
G20
G31
G20
25,00-21.500
30,00-25.800
24,42-20.997
29,28-25.181
26,51-22.799
31,75-27.302
3,50-3.010
3,50-3.010
3,30-2.841
3,36-2.891
3,65-3.142
3,71-3.191
30,00-25.800
34,90-30.014
30,00-25.800
34,90-30.014
3,50-3.010
3,50-3.010
3,50-3.010
3,50-3.010
97,7-95,5
97,9
106,0-106,3
105,8-106,0
108,8
74-87
43
230-50
X5D
35
0,08-2,07
3
0,25÷0,45
90
40-80 (high)
40-80 (high)
20-45 (low)
450
1.000
9
1
8
0,5
17,2
14,3
12,3
2
37-60
12
-
-
20
20
-
-
-
37
-
G20
G31
G20
31,317
37,206
33,256
40,216
G20
G31
G20
37,581
43,284
39,908
46,784
60
195
199
class 6
G20
G31
G20
250-20
240-15
9,9-10,0
8,8-8,8
40-40
30-30
70-57
82-60
2,4
4,3
6,2
2,4
4,3
6,2
35 HM KIS
G31
-
-
-
-
-
97,6-96,0
97,8
108,7
87-110
43
230-50
X5D
35
0,07-2,17
3
0,25÷0,45
90
20-45 (low)
450
1.000
9
1
8
0,5
20,0
16,7
14,3
2
37-60
14
-
-
20
-
-
37
G31
37,581
39,908
G31
43,719
46,426
60
195
199
class 6
G31
240-20
9,9-10,0
40-40
70-57
2,4
4,3
6,2
2,4
4,3
6,2
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