Bryant 311AAV Series 100 Installation, Start-Up, And Operating Instructions Manual page 20

TABLE 7—MODEL 311AAV ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED)
(TABULATED DATA BASED ON 22,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT ABOVE SEA LEVEL)
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
700
725
750
775
800
825
5001
to 850
6000
875
900
925
950
975
1000
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
650
675
700
725
6001
750
to
775
7000
800
825
850
875
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
625
650
675
700
7001
725
to
750
8000
775
800
825
850
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
600
625
650
675
8001
to 700
9000
725
750
775
800
* Orifice numbers (43) shown in shading are factory installed.
0.58 0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.4 43
43 3.1 43
43 2.9 43
43 2.7 43
43 2.6 43
43 2.4 43
43 2.3 43
43 2.2 43
43 2.0 43
48 3.6 48
48 3.4 48
49 3.8 48
49 3.6 49
0.58 0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.4 43
43 3.1 43
43 2.9 43
43 2.7 43
43 2.5 43
43 2.4 43
43 2.2 43
43 2.1 43
48 3.7 43
48 3.5 48
0.58 0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.1 43
43 2.9 43
43 2.7 43
43 2.5 43
43 2.3 43
43 2.2 43
43 2.0 43
48 3.6 48
48 3.4 48
49 3.8 48
0.58 0.60
Orifice Manifold Orifice
No. Pressure No.
43 2.9 43
43 2.7 43
43 2.5 43
43 2.3 43
43 2.2 43
43 2.0 43
48 3.5 48
48 3.3 48
49 3.6 49
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.5 43 3.6
3.2 43 3.4
3.0 43 3.1
2.8 43 2.9
2.7 43 2.8
2.5 43 2.6
2.4 43 2.4
2.2 43 2.3
2.1 43 2.2
3.8 43 2.1
3.6 48 3.7
3.4 48 3.5
3.8 48 3.3
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.5 43 3.6
3.2 43 3.4
3.0 43 3.1
2.8 43 2.9
2.6 43 2.7
2.5 43 2.5
2.3 43 2.4
2.2 43 2.2
2.0 43 2.1
3.6 48 3.8
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.3 43 3.4
3.0 43 3.1
2.8 43 2.9
2.6 43 2.7
2.4 43 2.5
2.3 43 2.3
2.1 43 2.2
3.7 43 2.1
3.5 48 3.6
3.3 48 3.4
SPECIFIC GRAVITY OF NATURAL GAS
0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.0 43 3.1
2.8 43 2.9
2.6 43 2.7
2.4 43 2.5
2.2 43 2.3
2.1 43 2.1
3.6 43 2.0
3.4 48 3.5
3.8 48 3.3
—20—
0.64 0.66
Orifice Manifold Orifice
No. Pressure No.
43 3.7 43
43 3.5 43
43 3.2 43
43 3.0 43
43 2.8 43
43 2.7 43
43 2.5 43
43 2.4 43
43 2.2 43
43 2.1 43
43 2.0 43
48 3.6 48
48 3.4 48
0.64 0.66
Orifice Manifold Orifice
No. Pressure No.
43 3.7 43
43 3.5 43
43 3.2 43
43 3.0 43
43 2.8 43
43 2.6 43
43 2.5 43
43 2.3 43
43 2.2 43
43 2.1 43
0.64 0.66
Orifice Manifold Orifice
No. Pressure No.
43 3.5 43
43 3.2 43
43 3.0 43
43 2.8 43
43 2.6 43
43 2.4 43
43 2.3 43
43 2.1 43
48 3.8 43
48 3.5 48
0.64 0.66
Orifice Manifold Orifice
No. Pressure No.
43 3.2 43
43 3.0 43
43 2.8 43
43 2.6 43
43 2.4 43
43 2.2 43
43 2.1 43
48 3.6 48
48 3.4 48
Manifold
Pressure
3.8
3.6
3.3
3.1
2.9
2.8
2.6
2.5
2.3
2.2
2.1
3.7
3.5
Manifold
Pressure
3.8
3.6
3.3
3.1
2.9
2.7
2.5
2.4
2.3
2.1
Manifold
Pressure
3.6
3.3
3.1
2.9
2.7
2.5
2.3
2.2
2.1
3.6
Manifold
Pressure
3.3
3.1
2.8
2.6
2.4
2.3
2.1
3.8
3.5