NATURAL GAS OPERATION
4441-2 HV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
9 (15.6")
16 (27.7")
20 (34.6")
Air Flow, not burning (scfh)
2790 2370
Air Flow (scfh)
255 0.15
550 0.9 0.3 0.7
1100
1680
2700 20.6
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
3.7 1.14
8.8 2.7
16.4
0.1 0.1
5.3
7
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
3
6.1
10.2
12.4
200
1500
2000
3000
3000
3000
Max. % XSFuel, fs
30 30 10 1.5
30 30
30 30
30 30 10 1.5
30 30 10 1.5
30 30
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
9
11
11
1.5
1.5
1.5
4441-2 MV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
9 (15.6")
16 (27.7")
Air Flow, not burning (scfh)
2850 2650
Air Flow (scfh)
300
650
1320
2000
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
0.3 0.1
1.3
5.4
12.5
22.7
0.5 0.3
1.7 1.1
4
6.6 3.6
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0
2.1
600
1500
2000
3000
3000
Max. % XSFuel, fs
30
30 30
30 30
30 30
30 30
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
30
13
11
13
13
12
3
2
2
2
3
4441-3 HV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
9 (15.6")
16 (27.7")
20 (34.6")
Air Flow, not burning (scfh)
3850 3250
Air Flow (scfh)
400 0.25
800
1600
2350
3800
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
0.9 0.4 0.7
3.5 1.3 2.9
7.8
14.2 6.6 12.8
18.2
0.1 0.2
3
7.9
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
6.6
14
1500
2000
3000
4000
4000
3000
Max. % XSFuel, fs
30 30
30 30
30 30
30 30
30 30
30 30 8.5 2.5
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
8 3
9 3
8 2
7 3
7 3
4441-3 MV Air Pressure UA pressure tap ("w.c.)
0.2 (0.3")
1 (1.7")
4 (6.9")
9 (15.6")
16 (27.7")
Air Flow, not burning (scfh)
4200 3950
Air Flow (scfh)
570 0.25
1000
1920
2930
Air Orifice , UA-DA, (in.w.c.) Gas Orifice , UG-DG, (in.w.c.)
1.4
5.8 2.2 0.7
13.1
23.5
0.2
0.6 0.2
5.1 1.6
10.1 2.8
Tile Pressure DG (in.w.c.) Max. % XSAir, fs, ignition
0
1500
3000
3000
4000
4000
Max. % XSFuel, fs
30 30
30 30
30 30
30 30
30 30
Max. % XSFuel, ignition Flame Length (in.) Flame Diameter (in.)
12
12
10
11 4
7
4
3
4
4.5
Sheet 4441-1 page 5
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