Operation Manual - GB
GB
www.atmos.cz
GB - 7
3. Technical specifications
ATMOS boiler type D14P D21P D25P
Boiler output kW 4-14 4-19,5 7 -24
Heat-delivery area m
2
1,7 1,7 2
Fuel shaft volume dm
3
88 88 105
Filling opening dimensions mm 270x450 270x450 270x450
Prescribed chimney draught Pa 16 18 22
Max. working overpressure of water kPa 250 250 250
Boiler weight kg 231 231 254
Exhaust orifice diameter mm 152 152 152
Boiler height mm 1207 1207 1207
Boiler width mm 620 620 620
Boiler depth mm 768 768 868
Ingress protection of the electric part IP 20
El. power input - on startup
- in operation
W
522
42
522
42
522
42
Boiler efficiency % 90,3 90,2 90,2
Boiler class 3
Flue gas temperature at the nominal
output (pellets)
°C 127 147 151
Weight flow of flue gas at the nominal
output (pellets)
kg/s 0,011 0,015 0,018
Prescribed fuel
high-quality pellets with the diameter of 6 - 8 mm and the
calorific value of 15 - 18 MJ/kg
Average consumption of fuel - pellets
- at the nominal output
kg.h
-1
3,5 4,5 5,4
Water volume in the boiler l 56 56 62
Hydraulic loss of the boiler mbar 0,18 0,18 0,19
Minimum volume of the equalizing tank l 500 500 500
Mains voltage V/Hz 230/50
The prescribed minimum temperature of return water in operation is 65°C.
The prescribed operation temperature of the boiler is 80-90°C.
