HDG M299, Operation Manual

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©
HDG Bavaria GmbH 07/2008 HDG M299/300/350/400 - Version 1 - en
3 Mode of operation – Technical data
23
3.3 Technical data
Boiler type
HDG M299
Wood chips
HDG M300
Wood chips /
pellets
HDG M350
Wood chips /
pellets
HDG M400
Wood chips /
pellets
Performance data (measured according to DIN EN 303-5)
Nominal thermal power 299 310/328 kW 350/350 kW 400/400 kW
Minimum thermal power 85 kW 92/97 kW 105/105 kW 120/120 kW
Boiler efficiency at nominal thermal
power 93.2 % 93.2 / 94.2 % 93.2 / 94.2 % 93.3 / 94.2 %
Electrical power consumption at
nominal thermal power
856/856 W 899/868 W 952/894 W
Electrical connection: Voltage
Frequency
Back-up fuse
400 V
50 Hz
16 A
General boiler data
Boiler class 3 5
Maximum permissible
operating pressure 6.0 bar
Maximum supply temperature 100 °C*
Minimum return temperature 60 °C
Water capacity 2110 l 2150 l 2200 l
Weight of combustion unit 2640 kg 2700 kg 2730 kg
Weight of heat exchanger 2860 kg 2900 kg 2920 kg
Planning data for flue calculation (DIN EN 13384-1)
Flue gas temperature (Tw) at
• Nominal thermal power
• Minimum thermal power
140 °C
120 °C 150 °C
120 °C 160 °C
120 °C 170 °C
120°C
Flue gas mass flow at
• Nominal thermal power
• Minimum thermal power
0.167 kg/s
0.048 kg/s
0.167 /
0.169 kg/s
0.051 /
0.047 kg/s
0.186 /
0.177 kg/s
0.051 /
0.047 kg/s
0.210 /
0196 kg/s
0.051 /
0.047 kg/s
CO
2
content at nominal thermal power 15.6 % 15.6 / 15.0 % 15.5 / 15.1 % 15.4 / 15.2 %
CO
2
content at lowest thermal power 12.3 % 15.6 / 15.1 % 15.6 / 15.1 % 15.6 / 15.1 %
Flue draught requirement (Pw) 10 Pa
Diameter of flue pipe connection 300 mm
Height at middle of flue pipe connection 2290 mm
Water-side connections
Supply and return connections (flange) DN 100
Connection for safety heat exchanger
(bushing)
DN 20, outside thread
Connection for drain (bushing) DN 30, inside thread
Recommended pipe dimensions
(minimum)
DN 100
Table 3/1 - Technical data