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Buderus commercial and domestic boilers

[GB 312 200kW]

Dimensions

Parameter Value
Height max incl. controls 1532mm
Width,TK 1202mm
Width for access 612mm
Depth 625mm
Net weight 265kg
Flue gas connection, Ø DAA (internal) 200DN
Flue gas connection, HAA 495mm
Flue gas connection, A2 436mm
Boiler flow connection, Ø VK DN 65
Boiler flow connection, HVK 1300mm
Boiler flow connection 215mm
Boiler return connection, Ø RK DN 65
Boiler return connection, HRK 615mm
Boiler return connection, A3 270mm
Safety valve, Ø ST Rp1½mm
Air sealed, Ø RLU 110DN
Air sealed, HRLU 1029mm
Air sealed, A1 373mm
Gas connection, Ø GAS R1½
Gas connection, HGAS 1143mm
Gas connection, A1 269mm

Technical Parameters

Parameter Value
Output 200kW
Nominal heat output at 80/60 °C, Full load 187kW
Nominal heat output at 80/60 °C, Part load 55kW
Nominal heat output at 50/30 °C, Full load 200kW
Nominal heat output at 50/30 °C, Part load 62kW
Rated heat input, Part load 57kW
Rated heat input, Full load 193kW
Max working pressure 4bar
Max flow temperature 80°C
Electrical power consumption, full load 230W
Electrical power consumption, part load 50W
Gas pressure 17-24 mbar
Water content 24l
Electrical ingress protection IP 40
CE certification, product ID no. CE 0085BP5508
Pressure at flue outlet 100Pa
Water flow resistance, ΔT 20K 90mbar
Safety temperature letter 100°C
Electrical connection 230VAC 50Hz
Efficiency (NCV) 108%
Flue gas temperature at 50/30 °C, Full load 55°C
Flue gas temperature at 50/30 °C, Part load 33°C
Flue gas temperature at 80/60 °C, Full load 76°C
Flue gas temperature at 80/60 °C, Part load 58°C
Flue gas mass flow rate at 50/30 °C, Full load 87.8g/s
Flue gas mass flow rate at 50/30 °C, Part load 25.1g/s
Flue gas mass flow rate at 80/60 °C, Full load 88g/s
Flue gas mass flow rate at 80/60 °C, Part load 26.7g/s
CO2 content, Full load 9.1%
CO2 content, Part load 9.3%
Sound emission level, Full load 55dB(A)
Sound emission level, Part load 40dB(A)

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