APPLIANCE INFORMATION
6 720 821 670 (2018/06)8
3.2 TECHNICAL DATA
Natural Gas Appliances
DESCRIPTION NATURAL GAS
UNIT 9kW 12kW 15kW 18kW 21kW 24kW
Gas flow rate - Max. 10 minutes from lighting
Natural Gas G20 m³/h 0.95 1.30 1.63 1.96 2.26 2.60
Central Heating
Max. rated heat input (net) kW 9.24 12.32 15.40 18.48 21.54 24.62
Min. heat input kW 3.45 3.45 4.62 5.54 7.38 7.38
Maximum rated heat output 40/30 °C kW 9.64 12.85 16.06 19.28 22.47 25.67
Maximum rated heat output 50/30 °C kW 9.55 12.74 15.92 19.11 22.27 25.45
Maximum rated heat output 80/60 °C kW 91215 18 21 24
Maximum flow temperature °C 82 82 82 82 82 82
Maximum possible flow temperature °C 87 87 87 87 87 87
Maximum permissible operating pressure bar 2.5 2.5 2.5 2.5 2.5 2.5
Flue
Flue gas temp. 80/60 °C, rated/min. load °C 60/56 62/56 66/58 70/60 74/63 78/63
Flue gas temp. 40/30 °C, rated/min. load °C 38/33 41/33 44/33 48/34 51/35 54/35
CO
2
level at max. rated heat output (after 30 min) % 9.6 9.6 9.6 9.6 9.6 9.55
CO
2
level at min. rated heat output (after 30 min) % 8.6 8.6 8.6 8.6 8.6 8.55
NOx class 666666
NOx rating mg/kWh 36.0 38.6 44.3 48.7 55.5 56.0
Condensate
Maximum condensate rate l/h 0.60 0.93 1.20 1.50 1.80 2.00
pH value, approx. 4.8 4.8 4.8 4.8 4.8 4.8
Electrical
Electrical power supply voltage A.C. V 230 230 230 230 230 230
Frequency Hz 50 50 50 50 50 50
Maximum power consumption W 25 33 44 49 42 51
General data
Appliance protection rating IP 20 20 20 20 20 20
Permissible ambient temperatures °C 0 - 50 0 - 50 0 - 50 0 - 50 0 - 50 0 - 50
Nominal capacity of appliance litre 1.1 1.1 1.1 1.1 1.1 1.1
Packaged appliance weight kg 31 31 31 31 31 31
Total appliance weight kg 27.4 27.4 27.4 27.4 27.4 27.4
Lift weight kg 22.6 22.6 22.6 22.6 22.6 22.6
SEDBUK 2005 % 89.8 89.8 89.7 89.7 89.6 89.6
SEDBUK 2009 % 89.1 89.1 88.9 88.9 88.7 88.7
Flue system Category II 2H 3P type C13, C33 & C53
Table 5 Technical data Natural Gas
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