Viessmann BM-190/238, Assembly Instructions Manual

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Table of contents
VITOBLOC 200 BM-190/238
Assembly instructions 11
5780045
GB
2.2 Specifications of the complete cogeneration module
Specifications of the cogeneration module Vitobloc 200 BM-190/238
Engine with accessories
Gas Otto engine Supplier MAN
Engine type E 2876 LE
Strokes 4-stroke
No. of cylinders/arrangement 6/row
Bore/stroke mm 128/166
Swept volume Ltr. 12.82
Speed min
-1
1,500
Mean piston speed m/s 8.3
Compression ratio 11 : 1
Mean effective pressure bar 12.48
Standard output ¹
)
cannot be overloaded kW 200
Spec. full-load consumption Tolerance 5 % kWh/kWh
mech
2.47
Gas consumption e. g., at Hi = 6.5 kWh/m³ Nm³/h 75.9
Lubricating oil volume in pan Ltr. 41
Lubricating oil consumption (mean) g/h approx. 50
Engine weight (abt.) kg 980
Engine cooling heat exchanger system (engine block and lubricating oil)
Heat output Tolerance 8 % kW 98
Cooling water temperature Inlet/outlet ° C 80 / 84.1
Cooling water flow rate m³/h 20
Exhaust heat exchanger
Heat output Tolerance 8 % kW 123
Exhaust temperature Inlet/outlet ° C approx. 520 / < 150
Cooling water temperature Inlet/outlet ° C 83.9 / 88.3
Pressure loss Exhaust end mbar < 10
Pipe material 1,4571
Exhaust head material Inlet 1,4828
Outlet 1,4571
Water jacket pipe material ST 50
Mixture cooling, high temperature (turbo charger)
Heat output Tolerance 8 % kW 17
Cooling water temperature Inlet/outlet ° C 80 / 82.6
Cooling water flow min. m³/h 5.8
Mixture cooling, low temperature (turbo charger)
Heat output Tolerance 8 % kW 16
Cooling water temperature Inlet/outlet ° C 40 / 42.7
Cooling water flow min. m³/h 5.4
Plate heat exchanger
Heat output
2)
kW 238
Cooling water temperature Inlet/outlet °C 88.3/ 80
Heating water temperature Inlet/outlet °C 65/85
Pressure loss bar 0.45
Plate material 1,4404
Nominal dimensions
Exhaust connection (AGA) from cogeneration module, pipe connection DN 150 / PN10
Condensed water connection (KO), pipe connection Pipe ø 22 x 2.0
Heating water flow/return (HV/HR), pipe connection DN 65 / PN16
Gas connection (GAS), pipe connection DN 65 / PN16