Bryant Series E/F 310AAV User Manual
Page 40

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Table 15–Orifice Size* and Manifold Pressure (In. W.C.) for Gas Input Rate (Continued)
(Tabulated data based on 22,000 btuh per burner, derated 4 percent for each 1000 ft. (305 M) above sea level)
ALTITUDE RANGE
FT. (M)
AVG. GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT.)
SPECIFIC GRAVITY OF NATURAL GAS
0.58
0.60
0.62
0.64
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U.S.A.
5001 to
6000
(1524
to
1829)
725
43
3.4
43
3.5
43
3.6
43
3.7
750
43
3.2
43
3.3
43
3.4
43
3.5
775
43
3.0
43
3.1
43
3.2
43
3.3
800
43
2.8
43
2.9
43
3.0
43
3.1
825
43
2.6
43
2.7
43
2.8
43
2.9
850
43
2.5
43
2.5
43
2.6
43
2.7
875
43
2.3
43
2.4
43
2.5
43
2.6
900
43
2.2
43
2.3
43
2.3
43
2.4
U.S.A.
6001 to
7000
(1829
to
2134)
675
43
3.4
43
3.5
43
3.6
43
3.7
700
43
3.1
43
3.3
43
3.4
43
3.5
725
43
2.9
43
3.0
43
3.1
43
3.2
750
43
2.7
43
2.8
43
2.9
43
3.0
775
43
2.6
43
2.7
43
2.7
43
2.8
800
43
2.4
43
2.5
43
2.6
43
2.7
825
43
2.3
43
2.3
43
2.4
43
2.5
850
43
2.1
43
2.2
43
2.3
43
2.4
U.S.A.
7001 to
8000
(2134
to
2438)
650
43
3.1
43
3.2
43
3.4
43
3.5
675
43
2.9
43
3.0
43
3.1
43
3.2
700
43
2.7
43
2.8
43
2.9
43
3.0
725
43
2.5
43
2.6
43
2.7
43
2.8
750
43
2.4
43
2.4
43
2.5
43
2.6
775
43
2.2
43
2.3
43
2.4
43
2.4
800
43
2.1
43
2.1
43
2.2
43
2.3
825
48
3.7
43
2.0
43
2.1
43
2.2
U.S.A.
8001 to
9000
(2438
to
2743)
625
43
2.9
43
3.0
43
3.1
43
3.2
650
43
2.7
43
2.8
43
2.9
43
3.0
675
43
2.5
43
2.6
43
2.7
43
2.8
700
43
2.3
43
2.4
43
2.5
43
2.6
725
43
2.2
43
2.2
43
2.3
43
2.4
750
43
2.0
43
2.1
43
2.2
43
2.2
U.S.A.
9001 to
10,000
(2743
to
3048)
600
43
2.7
43
2.8
43
2.9
43
3.0
625
43
2.5
43
2.6
43
2.6
43
2.7
650
43
2.3
43
2.4
43
2.4
43
2.5
675
43
2.1
43
2.2
43
2.3
43
2.3
700
48
3.7
43
2.0
43
2.1
43
2.2
725
48
3.5
48
3.6
48
3.7
43
2.0
775
48
3.6
48
3.7
43
2.0
43
2.1
* Orifice numbers 43 are factory installed.
310AA
V