3 Mode of operation – Technical data
31
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 / 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
Summary of Contents for Compact 25
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