3 Mode of operation – Technical data
24
HDG C
OMPACT
45/50/65/80
Boiler type
HDG
Compact 45
Wood chips /
pellets
HDG
Compact 50
Wood chips /
pellets
HDG
Compact 65
Wood chips /
pellets
HDG
Compact 80
Wood chips /
pellets
Performance data (measured according to DIN EN 303-5)
Nominal thermal power
45.0 kW
50.0 kW
65.0 kW
80.0/85.0 kW
Minimum thermal power
13.5 kW
12.0/15.0 kW
12.0/15.0 kW
23.0/25.1 kW
Boiler efficiency at nominal thermal
power
92.0 / 91.8 %
91.7 / 91.8 %
91.9 / 92.6 %
92.2 / 93.7 %
Electrical connection:
•
Voltage/frequency
•
Back-up fuse
230/400 V / 50 Hz
16 A
General boiler data
Boiler class
3
Maximum permissible operating
pressure
3.0 bar
Maximum flow temperature*
95 °C
Minimum return temperature
60 °C
Water capacity
167 l
221 l
Weight
980 kg
1200 kg
Planning data for flue calculation (DIN EN 13384-1)
Flue gas temperature (Tw) at
•
Nominal thermal power
•
minimum thermal power
160 °C
105 °C
180 °C
110 °C
160 / 150 °C
105 °C
Flue gas mass flow at
•
Nominal thermal power
•
minimum thermal power
0.029/
0.026 kg/s
0.0125 kg/s
0.0326 kg/s
0.0125 kg/s
0.0414/
0.0375kg/s
0.0182/
0.0144kg/s
0.0520/
0.0440kg/s
0.0250/
0.0170kg/s
CO2 content at
•
Nominal thermal power
•
minimum thermal power
11.4 / 12.2 %
10.4 / 11.3 %
11.4 / 12.2 %
10.4 / 11.3 %
12.7 / 13.8 %
8.9 / 11.1 %
14.1 / 13.5 %
7.3 / 10.8 %
Flue draught requirement (Pw)
10 Pa
13 Pa
15 Pa
12 / 9* Pa
Diameter of flue pipe connection
180 mm
200 mm
Height at middle of the flue gas pipe
connection
1280 mm
Water-side connections
Supply and return connections
(bushing)
DN 32, inside thread
DN 40, inside
thread
Safety heat exchanger connections
(bushing)
DN 15, outside thread
Connection for drain (bushing)
DN 15, inside thread
Recommended pipe dimensions
(minimum)
DN 32
DN 40
Table 3/2 - Technical data
