3 Mode of operation – Technical data
18
3.3 Technical data
Type of boiler
HDG Euro 30
HDG Euro 40
HDG Euro 45
HDG Euro 50
Performance data (measured according to DIN EN 303-5)
Nominal thermal power
30 kW
40 kW
45 kW
48 kW
Minimum thermal power
-
30 kW
Boiler efficiency at nominal thermal
power
92.6 %
92.3 %
92.1 %
92.0 %
Electrical power consumption at
nominal thermal power
94 W
125 W
145 W
157 W
Electrical connection:
•
Voltage
•
Frequency
•
Back-up fuse
AC 1x230 V
50 Hz
10 A
General boiler data
Boiler class
5
Maximum permissible operating
pressure
3 bar
Maximum supply temperature
95 °C*
Minimum return temperature
60 °C
Water capacity
178 l
Fuel chamber capacity
220 l
Weight (net)
979 kg / 1029 kg with scale liner
Planning data for flue calculation (DIN EN 13384-1)
Flue gas temperature (Tw) at
•
Nominal thermal power
•
Minimum thermal power
140 °C
140 °C
160 °C
140 °C
170 °C
140 °C
180 °C
140 °C
Flue gas mass flow at
•
Nominal thermal power
•
Minimum thermal power
0.0160 kg/s
0.0160 kg/s
0.0220 kg/s
0.0160 kg/s
0.0240 kg/s
0.0160 kg/s
0.0260 kg/s
0.0160 kg/s
CO
2
content at nominal thermal
power
16.4 %
16.7 %
16.8 %
16.9 %
CO
2
content at lowest thermal
power
14 %
Flue draught requirement (Pw)
13 Pa
14 Pa
15 Pa
Diameter flue pipe connection
180 mm
Height at middle of the flue gas
pipe connection
1106 mm
Water-side connections
Supply and return connections
(bushing)
DN 32, inside thread
Safety heat exchanger connections
(bushing)
DN 20, inside thread
Connection for filling/draining
(bushing)
DN 15, inside thread
Recommended pipe dimensions
(minimum)
DN 32
Table 3/1 - HDG Euro 30/40/45/50 technical data
