3 Mode of operation – Technical data
16
3.3 Technical data
*Maximum operating temperatures of up to 110 °C can also briefly occur.
Type of boiler
HDG K10 HDG K15 HDG K21 HDG K26 HDG K33
Performance data (measured according to DIN EN 303-5)
Nominal thermal power
9.9 kW
15 kW
21 kW
25.9 kW
32.5 kW
Minimum thermal power
3.0 kW
4.3 kW
6.3 kW
7.6 kW
9.8 kW
Boiler efficiency at nominal thermal power
94.4 %
93.8 %
93.9 %
93.9 %
94.8 %
Electrical power consumption at nominal
thermal power
28 W
33 W
41 W
48 W
77 W
Electrical connection:
•
Voltage
•
Frequency
•
Back-up fuse
230 V
50 Hz
13 A (slow-blow)
General boiler data
Boiler class
5
Maximum permissible operating pressure
3.0 bar
Maximum supply temperature
85 °C*
Minimum return temperature
20 °C
Water capacity
39 l
47 l
Weight
261 kg
283 kg
Planning data for flue calculation (DIN EN 13384-1)
Flue gas temp. (Tw) at nominal thermal power
Flue gas temp. (Tw) at lowest thermal power
98 °C
78 °C
119 °C
82 °C
127 °C
87 °C
134 °C
90 °C
138 °C
92 °C
Flue gas mass flow, nominal thermal power
Flue gas mass flow, minimum thermal power
0.0058kg/s
0.0025kg/s
0.0085kg/s
0.0034kg/s
0.0118kg/s
0.0044kg/s
0.0146kg/s
0.0049kg/s
0.0180kg/s
0.0060kg/s
CO
2
content at nominal thermal power
CO
2
content at minimum thermal power
13.4 %
9.7 %
14.2 %
10.1 %
14.2 %
11.3 %
14.2 %
12.1 %
14.6 %
12.3 %
Flue draught requirement (Pw)
5 Pa
Diameter of flue pipe connection
130 mm
Height at middle of flue gas pipe connection
1050 mm (top) / 750 mm (rear)
Water-side connections
Supply and return connections
DN 25, outside thread
Recommended pipe dimensions (minimum)
DN 25
Water-side resistance, 10 K
Water-side resistance, 20 K
360 Pa
100 Pa
760 Pa
210 Pa
1430 Pa
390 Pa
2150 Pa
580 Pa
3110 Pa
860 Pa
Other information
Sound pressure level
45.3 dB(A)
45.7 dB(A)
46.1 dB(A)
46.5 dB(A)
47.6 dB(A)
Min. Air inlet cross section
150 cm²
Table 3/2 - Technical data
Содержание K10
Страница 1: ...hdg bavaria com HDG K10 15 21 26 33 Operating manual ...
Страница 2: ......
Страница 63: ......