Appliance information | 13
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2.14 System boiler Technical data
All the technical data quoted in the table below refer to an appliance tested at sea level.
Power outputs are reduced due to altitude, refer to figures 5 and 6 for the percentage reduction in power output due to altitude
DESCRIPTION Units Natural Gas Propane
16kW 30kW 16kW 30kW
Central Heating G20 G25 G20 G25 G31 G31
Input/Output
Max. rated heat output net 50/30°C kW 17.00 13.90 31.70 26.00 15.80 31.70
Max. rated heat output net 80/60°C kW 15.30 12.60 30.10 24.67 14.60 30.10
Max. rated heat input net kW 16.00 13.10 30.90 25.30 16.00 30.90
Min. rated heat output net 50/30°C kW 3.80 3.10 8.00 6.60 6.40 11.52
Min. rated heat output net 80/60°C kW 3.50 2.90 7.00 5.60 5.70 10.20
Min. rated heat input net kW 3.70 3.10 8.00 6.60 6.30 10.80
Max. flow temperature °C 82
Max. permissible operating pressure bar 3.00
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20 m3/h 1.66 3.28
Natural Gas G25 m3/h 1.54 3.17
Propane Gas G31 kg/h 0.61 1.27
Gas supply pressure
Natural Gas G20 mbar 20 20
Natural Gas G25 mbar 25 25
Propane Gas G31 mbar 37 37
Flue
Flue Gas Temp. 80/60°C, max/min °C 67/55 67/55 67/55 67/55 67/55 67/55
Flue Gas Temp. 40/30°C, max/min °C 43/25 43/25 43/25 43/25 43/25 43/25
CO2 level at max. rated heat output % 9.4 7.4 9.4 7.4 10.8 10.8
CO2 level at min. rated heat output % 8.6 6.9 8.6 6.9 10.4 10.4
NOx - classification class 5
Exhaust gas flow rate
Maximum g/s 6.8 6.8 13.3 13.3 6.7 12.8
Minimum g/s 1.7 1.7 3.4 3.4 2.6 6.2
Condensate
Max. condensation rate l/h 3.7
pH value, approx. 4.8
Electrical
Electrical power supply voltage AC...V 230
Frequency Hz 50
Max. power consumption (including pump) W 97 97 116 116 95 116
General Data
Appliance protection rating IP X4D
Permissible ambient temperatures °C -20 to +50
Nominal water capacity of appliance Itr 3.75
Weight (excluding packaging) kg 54
Table 8 Appliance technical data KSBR
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