[SB 315 70kW]
Dimensions
| Parameter | Value |
|---|---|
| Length (without burner) | 1157mm |
| Width | 820mm |
| Width for access | 680mm |
| Height max with controls | 1503mm |
| Height | 1254mm |
| Weight | 300kg |
| Flue gas connection, Ø DAA (internal) | 153DN |
| Flue gas connection, HAA | 347mm |
| Combustion chamber, Length | 890mm |
| Combustion chamber, Ø | 360mm |
| Burner door, Depth | 95mm |
| Burner door, Ø DB | 110mm |
| Burner door, Ø DLK | 150/M8mm |
| Boiler return, HRK1 | 156mm |
| Condensate drain, HAKG | 223mm |
Technical Parameters
| Parameter | Value |
|---|---|
| Output | 70kW |
| Nominal heat output at 75/60 °C, Full load | 63.5kW |
| Nominal heat output at 75/60 °C, Part load | 27.8kW |
| Nominal heat output at 40/30 °C, Full load | 70kW |
| Nominal heat output at 40/30 °C, Part load | 28.4kW |
| Max working pressure | 4bar |
| Max flow temperature | 120°C |
| Rated heat input | 26kW - 65.1kW |
| Water content | 233l |
| Pressure at flue outlet | 50Pa |
| Flue gas resistance | 0.51mbar |
| Gas content | 120l |
| CE certification, product ID no. | CE-0085 AT 0074 |
| Type approval no. | 06-223-706 |
| Efficiency (NCV) | 109% |
| Flue gas temperature, at 40/30 °C Full Load | 44°C |
| Flue gas temperature, at 40/30 °C Part load | 29°C |
| Flue gas temperature, at 75/60 °C Full load | 69°C |
| Flue gas temperature, at 75/60 °C Part load | 38°C |
| Flue gas mass flow rate, at 40/30 °C Full load | 0.0268kg/s |
| Flue gas mass flow rate, at 40/30 °C Part load | 0.0103kg/s |
| Flue gas mass flow rate, at 75/60 °C Full load | 0.0277kg/s |
| Flue gas mass flow rate, at 75/60 °C Part load | 0.0111kg/s |
| CO2 content | 10% |
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Bosch Thermotechnology Ltd.