Bosch ZSB18 - 2A - Technical Data

Boiler information | 7AU/NZ
6 720 646 195a (2010/11)
2.2 Technical data
Description Natural gas
UNIT 18kW
Gas flow rate - Max. 10 minutes from lighting
Natural gas G20 MJ/h 73.84
Liquefied petroleum gas (LPG) kg/h -
Central heating
Maximum rated heat input (net) kW 18.48
Minimum heat input kW 5.54
Max. rated heat output 40/30 °C kW 19.28
Max. rated heat output 50/30 °C kW 19.11
Max. rated heat output 80/60 °C kW 18
Max. flow temperature °C 82
Max. flow temperature to cylinder (with integral optional diverter valve) °C 75
Max. permissible operating pressure kPa 250
Available pump head at 21 °C system temp. rise m 2.0
Flue
Flue gas temp. 80/60 °C, rated/min. load °C 70/60
Flue gas temp. 40/30 °C, rated/min. load °C 48/34
CO
2
level at max. rated heat output (after 30 min) % 9.8
CO
2
level at min. rated heat output (after 30 min) % 9.2
NOx class 4
Condensate
Maximum condensate rate l/h 1.5
pH value, approx. 4.8
Electrical
Electrical power supply voltage a.c. V 240
Frequency Hz 50
Maximum power consumption W 140
General data
Star Rating
Permissible ambient temperatures °C 0 - 50
Nominal capacity of boiler litre 3.9
Noise output level (Max central heating) dBA 42
Packaged boiler weight kg 41
Total boiler weight kg 37.5
Lift weight kg 27.1
Efficency
Tab. 5 Technical data Condens 5000