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Buderus commercial and domestic boilers

[GB 312 180kW]

Dimensions

Parameter Value
Length, LK 994mm
Length, LG 2041mm
Length, LG1 1784mm
Width, BG 1842mm
Net weight 410kg
Installation dimensions, K 327mm
Installation dimensions, M 455mm
Installation dimensions, N 270mm
Installation dimensions, O 518mm
Installation dimensions, R 565mm
Installation dimensions, S 419mm
Installation dimensions, S1 176mm
Installation dimensions, U 226mm
Flue gas connection, ØDAA 200DN
Flue gas connection, HAA 1335mm
Flue gas connection, HAA1 981mm
Flue gas connection, A2 332mm
Boiler flow connection, ØVK 65DN
Boiler flow connection, HVK 1308mm
Boiler return connection, Ø RK 65DN
Boiler return connection, HRK 339.5mm
Distance, BZ 640mm
Air sealed, ØRLU 110DN
Air sealed, HRLU 1018mm
Gas connection, ØGAS R1½"
Gas connection, HGAS 1143mm
Gas connection, A1 270mm

Technical Parameters

Parameter Value
Output 180kW
Nominal heat output at 80/60 °C, Full load 168kW
Nominal heat output at 80/60 °C, Part load 33kW
Nominal heat output at 50/30 °C, Full load 180kW
Nominal heat output at 50/30 °C, Part load 37kW
Rated heat input, Part load 34kW
Rated heat input, Full load 170kW
Max working pressure 4bar
Max flow temperature 80°C
Electrical power consumption, full load 170W
Electrical power consumption, part load 40W
Gas pressure 17 - 24 mbar
Water content 32l
Electrical ingress protection IP 40
CE certification, product ID no. CE 0085BP5508
Pressure at flue outlet 100Pa
Water flow resistance, ΔT 20K 65mbar
Safety temperature letter 100°C
Electrical connection 230VAC 50Hz
Flue gas mass flow rate at 50/30 °C, Full load 76.4g/s
Flue gas mass flow rate at 50/30 °C, Part load 13.6g/s
Flue gas mass flow rate at 80/60 °C, Full load 77.8g/s
Flue gas mass flow rate at 80/60 °C, Part load 14.5g/s
CO2 content, Full load 9.1%
CO2 content, Part load 9.3%
Sound emission level, Full load 58dB(A)
Sound emission level, Part load 40dB(A)
Min flue gas temperature at 80/60 °C, Full load 70°C
Min flue gas temperature at 80/60 °C, Part load 55°C
Min flue gas temperature at 50/30 °C, Part load 32°C
Min flue gas temperature at 50/30 °C, Full load 50°C

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