HDG Compact 25 - HDG Compact 45;50;65;80

3 Mode of operation – Technical data
31
HDG COMPACT 45/50/65/80
Boiler type
HDG
Compact 45
Wood chips /
pellets
HDG
Compact 50
Wood chips /
pellets
HDG
Compact 65
Wood chips / pel-
lets
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 kW
Minimum thermal power 13.5 kW 12.0/15.0 kW 12.0/15.0 kW 23.0 kW
Boiler efficiency at nominal thermal
power
92.0 / 90.7 %
91.7 / 91.8 % 92.2 / 90.1 % 92.2 / 92.9 %
Electrical connection:
• Voltage
• Frequency
• Back-up fuse
230 / 400 V
50 Hz
16 A
General boiler data
Boiler class 3
Max. permissible operating pressure 3.0 bar
Maximum supply temperature 95°C
Minimum return temperature 60°C
Water content 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
160°C
105°C
180°C
110°C
160°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
0.0451 kg/s
0.0125 kg/s
0.0520 kg/s
0.0250 kg/s
Flue draught requirement (Pw) 10 Pa 13 Pa 15 Pa 16 Pa
Diameter of flue gas pipe connection 180 mm 200 mm
Height at middle of flue pipe connec-
tion
1279 mm 1274 mm
Water-side connections
Supply and return connections (bus-
hing)
DN 32, inside thread DN 40, inside
thread
Connection for safety heat exchanger
(bushing)
DN 15, outside thread
Connection for drain (bushing) DN 15, inside thread
Recommended minimum pipe
dimensions DN 32 DN 40
Water-side resistance at nominal ther-
mal power,10 K
2700 Pa
Other information
Sound pressure level emitted < 70 dB(A)
Minimum Air inlet cross-section 150 cm 150 cm 180 cm 210 cm
Table 3/2 - Technical data