Technical information
4
1.3 Boiler technical data
Tab. no. 1 Dimensions, technical data
Number of sections
pc
3
4
5
6
7
8
9
10
Boiler class according to EN 303 - 5 - 3
Combustion chamber volume l 23,6 37,6 51,6 65,6 79,6 93,6 107,6
121,6
Water space volume l 39,5 49,3 59,1 68,9 78,7 88,5 98 107,8
Weight kg 262 312 362 412 462 512 562 612
Combustion chamber depth mm 220 330 440 550 660 770 880 990
Diameter of smoke socket mm 156 176
Boiler dimensions: height x width mm 1161 x 665
depth L mm 714 825 936 1047 1158 1269 1380 1491
Filling opening dimensions mm 245x 195
Maximum working water overpressure
kPa
(bar)
400
(4)
Minimum working water overpressure kPa
(bar)
50
(0,5)
Testing water overpressure kPa
(bar)
800
(8)
Boiler hydraulic loss - See Fig. no. 1
Minimum output water temperature °C 60
Control range of water temperature °C 60 – 85
Noise level
dB Does not exceed the level 65 dB (A)
Boiler connections – heating water “ 6/4
– return water “ 6/4
Cooling water temperature for
equipment for surplus heat withdaral
°C 5 – 20
Cooling water overpressure for
equipment for surplus heat withdaral
kPa
(bar)
200 – 600
(2-6)
Tab. no. 2 Technical data – hard coal as fuel
granularity 20 – 40 mm, fuel moisture max. 15 %
calorific value of fuel: 14 – 20 MJ.kg
-1
Number of sections
pc
3
4
5
6
7
8
9
10
Nominal heat output kW 11 19 25 31 37 43 49 55
Fuel consumption at nominal heat
output
kg.h
-1
2,60 3,80 5,00 6,20 7,40 8,60 9,80 11,00
Minimum heat output kW 3,9 5,7 7,5 9,3 11,1 12,9 14,7 16,5
Fuel consumption at minimum heat
output
kg.h
-1
0,79 1,15 1,51 1,87 2,23 2,60 2,96 3,32
Fuel efficiency MJ.kg
-
1
19,81
Burning time at nominal output hour 4
Flue gases temperature at nominal
heat output
°C 220 – 250
Flue gases temperature at minimum
heat output
°C 110 – 120
Flue gases mass flow rate at nominal
output
g.s
-1
10,65
15,57
20,49
25,41
30,33
35,24
40,16
45,08
Flue gases mass flow rate at
minimum heat output
g.s
-1
4,92 7,19 9,46 11,73
14,00
16,27
18,54
20,81
Efficiency % 78
Required chimney draught mbar 0,13 0,14 0,15 0,20 0,22 0,28 0,30 0,32