Technical specifications, Gas data natural gas 2h (g20), Gas data butane 3+ (g30) – A.O. Smith BFM - 120 User Manual
Page 2: Gas data propane 3+ (g31), Draw-off capacity, Electrical data, General, Shipping data

BFM
Technical specifications
Gas data natural gas 2H (G20)
Input*
kW
32.2
52.2
83.3
113.3
127.7
Output
kW
26.4
42.3
67.5
90.8
102.4
Inlet pressure
mbar
20
20
20
20
20
Burner pressure
mbar
12.5
12.9
12.9
12.5
14.0
Gas consumption**
m3/h
3.1
5.0
7.9
10.8
12.2
Diameter pilot orifice
mm
0.56/0.41
0.56/0.41
0.56/0.41
0.56/0.41
0.56/0.41
Diameter main orifice
mm
2.6
2.5
2.7
3.2
3.3
Max. flue gas temperature
°C
130
150
145
180
185
Flue gas discharge
kg/h
74.2
105.7
191.9
232.5
265.8
Gas data butane 3+ (G30)
Input*
kW
31.4
49.9
81.3
110.5
n/a
Output
kW
26.4
41.4
67.5
90.8
n/a
Inlet pressure
mbar
50
50
50
50
n/a
Burner pressure
mbar
-
-
-
-
n/a
Gas consumption**
kg/h
2.3
3.6
5.9
8.0
n/a
Diameter pilot orifice
mm
0.25
0.25
0.25
0.25
n/a
Diameter main orifice
mm
1.25
1.25
1.3
1.7
n/a
Max. flue gas temperature
°C
130
150
145
180
n/a
Flue gas discharge
kg/h
-
98.6
187.8
228.7
n/a
Gas data propane 3+ (G31)
Input*
kW
30.4
47.8
77.2
110.9
125.0
Output
kW
25.5
39.6
63.9
90.8
102.4
Inlet pressure
mbar
37
37
37
37
37
Burner pressure
mbar
-
-
-
-
22
Gas consumption**
kg/h
2.2
3.4
5.5
7.9
8.9
Diameter pilot orifice
mm
0.25
0.25
0.25
0.25
0.25
Diameter main orifice
mm
1.45
1.4
1.5
1.95
2.3
Max. flue gas temperature
°C
130
150
145
180
185
Flue gas discharge
kg/h
71.4
105.1
194.3
232.0
264.7
Draw-off capacity
Storage capacity
l
309
298
253
253
253
Max. temperature setting
°C
73
73
73
73
73
30 min. ∆T=44°C
l
569
697
870
1074
1176
60 min. ∆T=44°C
l
827
1111
1529
1962
2176
90 min. ∆T=44°C
l
1085
1524
2189
2849
3177
120 min. ∆T=44°C
l
1343
1937
2849
3736
4177
Continuous ∆T=44°C
l/h
516
827
1319
1774
2000
Heating-up time ∆T=44°C
min.
36
22
12
9
8
30 min. ∆T=50°C
l
501
613
765
946
1035
60 min. ∆T=50°C
l
728
977
1346
1726
1915
90 min. ∆T=50°C
l
955
1341
1926
2507
2796
120 min. ∆T=50°C
l
1182
1705
2507
3288
3676
Continuous ∆T=50°C
l/h
454
728
1161
1561
1760
Heating-up time ∆T=50°C
min.
41
25
13
10
9
30 min. ∆T=55°C
l
455
558
696
860
941
60 min. ∆T=55°C
l
662
888
1223
1569
1741
90 min. ∆T=55°C
l
868
1219
1751
2279
2541
120 min. ∆T=55°C
l
1074
1550
2279
2989
3342
Continuous ∆T=55°C
l/h
413
661
1055
1419
1600
Heating-up time ∆T=55°C
min.
45
27
14
11
9
Electrical data
Power consumption
W
100
100
100
275
300
Power supply
VAC/Hz
230 (-15/+10%) / 50
General
Pressure differential
Pa
200/170
270/240
255/225
610/580
220/190
Diameter of air restrictor
mm
36
42
54
48
64
Anodes
-
2
2
4
4
4
Maximum working pressure
bar
8
Maximum weight
kg
539
543
548
573
573
Shipping data
Weight empty
kg
230
245
295
320
320
Weight incl. packaging
kg
260
275
325
350
350
Width packaging
mm
800
800
800
800
800
Height packaging
mm
2080
2080
2080
2080
2080
Depth packaging
mm
1040
1040
1040
1040
1040
BFM 30
BFM 50
BFM 80
BFM 100
BFM 120
*
Gas data on gross value
**
Gas consumption at 15°C and 1013.25 mbar