Product Code |
WHB300070 |
General |
|
Dimensions (Height x Width x Depth) |
905 mm x 530 mm x 475 mm |
Appliance water content |
7.0 litres |
Weight - empty |
67 kg |
Connections |
|
Connections - flow / return |
¾ " BSP |
Coonection - gas |
¾ " BSP |
Connection - flue |
80 mm |
Connection - air supply |
80 mm |
Concentric (optional) |
80 / 125 mm |
Electrical |
|
Power supply (Vac/Ph/Hz) |
230 V a.c. / 1 / 50 Hz |
Power consumption |
369 W |
Fuse protection |
6 Amp |
Fan speed - max |
6600 RPM |
Fan speed - min |
1500 RPM |
Heating Performance |
|
Nominal heat input (nett) |
7.0 - 70.0 kW |
Nominal heat output at 80/60°C |
6.8 - 68.4 kW |
Nominal heat output at 50/30°C |
7.7 - 76.8 kW |
Maximum gas consumption (G20) |
7.4 m³/hr |
Maximum gas consumption (G25) |
8.6 m3/hr |
Maximum gas consumption (G31) |
2.9 m3/hr |
Technical Data |
|
Flue gas dew point |
52 °C |
Flue temperature at 80/60°C (at ambient temperature of 20°C) |
75 °C |
Flue material temperature class |
T 120 |
Permitted maximum resistance of flue system* |
140* Pa |
* With this resistance value the heat output will remain within the specifications indicated on the dataplate; if the resistance is higher, the heat output will be reduced. |
|
Condensation pH value |
3.0 - 5.5 |
Maximum CH flow temperature |
90 °C |
CH water pressure (min - max) |
0.5 - 4.0 bar |
Minimum / maximum gas pressure (G20) |
17 - 20 mbar |
Minimum / maximum gas pressure (G25) |
17 - 20 mbar |
Minimum / maximum gas pressure (G31) |
30 - 50 mbar |
Environmental Data |
|
Flue gas CO2 content (G20) |
8.4 % |
Flue gas CO2 content (G25) |
8.4 % |
Flue gas CO2 content (G31) |
9.5 % |
NOx levels |
33.0 mg/kW |
Maximum efficiency (nett non condensing) |
97.7 % |
Maximum efficiency (nett condensing) |
109.7 % |
Seasonal efficiency |
96.79 % |