Operating Instructions and Installation Instructions
Instruction manual BFM 23
3.4.3 Gas data
Gas data
Description Unit BFM 30 BFM 50 BFM 80 BFM 100 BFM 120
Gas category: 30 through 100 II
2H3+
, 120: II
2H3P
Natural gas G20 - 20 mbar
Orifice diameter mm 2.60 2.50 2.70 3.20 3.30
Diameter of pilot flame orifice mm 0.56/0.41 0.56/0.41 0.56/0.41 0.56/0.41 0.56/0.41
(1) = Blank plate
(2) = Burner pressure regulator
1 or 2 2 2 2 2 2
Nominal load (gross calorific value) kW 32.2 52.2 83.3 113.3 127.7
Nominal output kW 26.4 42.3 67.5 90.8 102.4
Supply pressure mbar 20 20 20 20 20
Burner pressure
(†)
mbar 12.5 12.9 12.9 12.5 14.0
Gas consumption
(*)
m
3
/h 3.1 5.0 7.9 10.8 12.2
Emissions of Nitrogen Oxides (NO
2
) mg/kWh 248 235 235 246 235
LP gas data
G30 - 30 mbar (butane)
Orifice diameter mm 1.45 1.40 1.50 1.95 n.a.
Diameter of pilot flame orifice mm 0.25 0.25 0.25 0.25
(1) = Blank plate
(2) = Burner pressure regulator
1 or 2 1 1 1 1
Nominal load (gross calorific value) kW 31.4 49.9 81.3 110.5
Nominal output kW 26.4 41.4 67.5 90.8
Supply pressure mbar 30 30 30 30
Burner pressure
(†)
mbar----
Gas consumption
(*)
kg/h 2.3 3.6 5.9 8.0