Installation
22 Instruction manual BFM
3
is
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 222222
Nominal load (upper 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
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 21111
Nominal load (upper 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
G31 - 37mbar (propane)
Orifice diameter mm 1.45 1.40 1.50 1.95 2.30
Diameter of pilot flame orifice mm 0.25 0.25 0.25 0.25 0.25
(1) = Blank plate
(2) = Burner pressure regulator
1 or 211112
Nominal load (upper value) kW 30.4 47.8 77.2 110.9 125.0
Nominal output kW 25.5 39.6 63.9 90.8 102.4
Supply pressure mbar 37 37 37 37 37
Burner pressure
(†)
------22.0
Gas consumption
(*)
kg/h 2.2 3.4 5.5 7.9 8.9
(*) Based on 1013.25 mbar and 15 °C.
(†) If using a blank plate instead of a burner pressure regulator, it is assumed that the burner pressure is equal to
the supply pressure. In practice, however, the burner pressure will be lower.
