For gas flow rates at 15°C and
1013.25 hPA
Boiler speed
Unit
IX 145–50
IX 145–70
IX 145–90
IX 145–110
Maximum pressure (G25)
mbar
30
30
30
30
Minimum gas pressure (G31)
mbar
25
25
25
25
Nominal pressure (G31)
mbar
37
37
37
37
Maximum pressure (G31)
mbar
57.5
57.5
57.5
57.5
Consumption of natural gas (G20)
Minimum
m³/h
0.54
0.78
1.03
1.24
Consumption of natural gas (G20)
Maximum
m³/h
4.90
7.07
9.25
11.10
Consumption of natural gas (G25)
Minimum
m³/h
0.63
0.91
1.19
1.44
Consumption of natural gas (G25)
Maximum
m³/h
5.69
8.22
10.75
12.91
Consumption of Propane (G31)
Minimum
kg/h
0.40
0.57
0.97
0.91
Consumption of Propane (G31)
Maximum
kg/h
3.59
5.19
6.79
8.15
NOx emission according to EN297A3 Class 5
mg/kWh
29.8
34.8
39.5
24.7
Flue gas mass flow rate (G20)
Minimum
kg/h
7.2
14.4
18
18
Flue gas mass flow rate (G20)
Maximum
kg/h
75.6
111.6
144
169.2
Maximum flue gas temperature
Minimum
°C
92
76
70
70
Tab.5
Electrical specifications
Unit
IX 145–50
IX 145–70
IX 145–90
IX 145–110
Power supply voltage
VAC
230V 50Hz
230V 50Hz
230V 50Hz
230V 50Hz
Maximum absorbed power - Full load
W
100
117
146
185
Maximum absorbed power - Part load
W
24
24
24
24
Maximum absorbed power - Stand-by
W
2.7
3
3
3
Tab.6
Other specifications
Unit
IX 145–50
IX 145–70
IX 145–90
IX 145–110
Ingress protection rating
IPX1B
IPX1B
IPX1B
IPX1B
Weight empty
kg
60
70
104
109
3.2.1
Other technical parameters
Tab.7
Technical parameters for boiler space heaters
Product name
IX 145–50
IX 145–70
IX 145–90
IX 145–110
Condensing boiler
Yes
Yes
Yes
Yes
No
No
No
No
B1 boiler
No
No
No
No
Cogeneration space heater
No
No
No
No
Combination heater
Yes
Yes
Yes
Yes
Rated heat output
Prated
kW
45
65
85
102
Useful heat output at rated heat output
and high temperature regime
P
4
kW
45.0
65.0
85.0
102.0
Useful heat output at 30% of rated heat
output and low temperature regime
P
1
kW
15.0
21.7
28.3
34.0
Seasonal space heating energy efficiency
ƞ
s
%
93
93
-
-
Useful efficiency at rated heat output and
ƞ
4
%
87.7
87.6
87.7
87.6
Useful efficiency at 30% of rated heat
output and low temperature regime
ƞ
1
%
97.7
97.4
97.5
97.4
Auxiliary electricity consumption
Full load
elmax
kW
0.100
0.117
0.146
0.185
Part load
elmin
kW
0.023
0.024
0.024
0.024
Stand-by
P
SB
kW
0.003
0.003
0.003
0.003
3 Technical specifications
7702703 - v04 - 05092019
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