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Buderus commercial and domestic boilers

[GE 515 Plus 520kW]

Dimensions

Parameter Value
Number of sections 11
Length, L 3480mm
Length, LK 2040mm
Length, LWT1 1210mm
Length, LWT2 1045mm
Width, BWT 870mm
Height max incl controls 1800mm
Height HE, HWT 1775mm
Net weight of boiler and HE 2200kg
Flue gas connection, HAA 293mm
Combustion chamber, Length 1845mm
Combustion chamber, Ø 515mm
Burner door, Depth 142mm
Boiler flow connection, Ø VK Connection flange can be ordered as reduced to DN 100, DN 80 or DN 65
Boiler return connection, Ø RK Connection flange can be ordered as reduced to DN 100, DN 80 or DN 65
Heat exchanger flow, Ø VWT 125DN
Heat exchanger flow, HVWT 1487mm
Heat exchange return, Ø RWT1 125DN
Heat exchange return, HRWT1 483mm
Heat exchange return, Ø RWT2 -
Heat exchange return, HRWT2 -
Safety outlet from the heat exchanger, HVSLWT 1542mm
Adjusted feet, LPWT 694mm
Adjusted feet, BPWT 694mm
Condensate drain, Ø AKO 40DN
Condensate drain, HAKO 170mm
Drain, HEL 431mm
Distance VWT/RWT1, A1 250mm
Distance RWT2, A2 -
Distance ELWT, A3 250mm
Distance VSLWT, A4 170mm

Technical Parameters

Parameter Value
Output 520kW
Nominal heat output at 75/60 °C 480kW
Nominal heat output at 55/30 °C 520kW
Max working pressure 6bar
Max flow temperature 120°C
Water content 735l
Flue gas resistance 3.56mbar
Gas content 1030l
CE certification, product ID no. CE-0085 AS 0232
Pressure at flue outlet 50Pa
Heat transfer rating of the heat exchanger (at system temperature) at 55/30 °C 59.6kW
Heat transfer rating of the heat exchanger (at system temperature) at 75/60 °C 23.3kW
Type approval number, Boiler 06-226-640
Type approval number, Heat exchanger 06-610-016
Efficiency (NCV) 107%
Rated heat input at 55/30 °C 495kW
Rated heat input at 75/60 °C 495kW
Flue gas temperature at 55/30 °C 51°C
Flue gas temperature at 75/60 °C 77°C
Flue gas mass flow rate at 55/30 °C 0.209kg/s
Flue gas mass flow rate at 75/60 °C 0.211kg/s
CO2 content, natural gas G20 at 55/30 °C 10%
CO2 content, natural gas G20 at 75/60 °C 10%

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