Bryant 395CAV - Manual (Page 15)

TABLE 6—MODEL 395CAV ORIFICE SIZE* AND MANIFOLD PRESSURE FOR CORRECT INPUT (CONTINUED)
(TABULATED DATA BASED ON 22,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT ABOVE SEA LEVEL)
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U.S.A.
Only 5001
to
6000
700 43 3.4 43 3.5 43 3.6 43 3.7 43 3.8
725 43 3.1 43 3.2 43 3.4 43 3.5 43 3.6
750 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3
775 43 2.7 43 2.8 43 2.9 43 3.0 43 3.1
800 43 2.6 43 2.7 43 2.8 43 2.8 43 2.9
825 43 2.4 43 2.5 43 2.6 43 2.7 43 2.8
850 43 2.3 43 2.4 43 2.4 43 2.5 43 2.6
875 43 2.2 43 2.2 43 2.3 43 2.4 43 2.5
900 43 2.0 43 2.1 43 2.2 43 2.2 43 2.3
925 48 3.6 48 3.8 43 2.1 43 2.1 43 2.2
950 48 3.4 48 3.6 48 3.7 43 2.0 43 2.1
975 49 3.8 48 3.4 48 3.5 48 3.6 48 3.7
1000 49 3.6 49 3.8 48 3.3 48 3.4 48 3.5
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U.S.A.
Only 6001
to
7000
650 43 3.4 43 3.5 43 3.6 43 3.7 43 3.8
675 43 3.1 43 3.2 43 3.4 43 3.5 43 3.6
700 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3
725 43 2.7 43 2.8 43 2.9 43 3.0 43 3.1
750 43 2.5 43 2.6 43 2.7 43 2.8 43 2.9
775 43 2.4 43 2.5 43 2.5 43 2.6 43 2.7
800 43 2.2 43 2.3 43 2.4 43 2.5 43 2.5
825 43 2.1 43 2.2 43 2.2 43 2.3 43 2.4
850 48 3.7 43 2.0 43 2.1 43 2.2 43 2.3
875 48 3.5 48 3.6 48 3.8 43 2.1 43 2.1
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U.S.A.
Only
7001
to
8000
625 43 3.1 43 3.3 43 3.4 43 3.5 43 3.6
650 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3
675 43 2.7 43 2.8 43 2.9 43 3.0 43 3.1
700 43 2.5 43 2.6 43 2.7 43 2.8 43 2.9
725 43 2.3 43 2.4 43 2.5 43 2.6 43 2.7
750 43 2.2 43 2.3 43 2.3 43 2.4 43 2.5
775 43 2.0 43 2.1 43 2.2 43 2.3 43 2.3
800 48 3.6 48 3.7 43 2.1 43 2.1 43 2.2
825 48 3.4 48 3.5 48 3.6 48 3.8 43 2.1
850 49 3.8 48 3.3 48 3.4 48 3.5 48 3.6
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
AT ALTITUDE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
Orifice
No.
Manifold
Pressure
U.S.A.
Only 8001
to
9000
600 43 2.9 43 3.0 43 3.1 43 3.2 43 3.3
625 43 2.7 43 2.8 43 2.9 43 3.0 43 3.1
650 43 2.5 43 2.6 43 2.7 43 2.8 43 2.8
675 43 2.3 43 2.4 43 2.5 43 2.6 43 2.6
700 43 2.2 43 2.2 43 2.3 43 2.4 43 2.4
725 43 2.0 43 2.1 43 2.1 43 2.2 43 2.3
750 48 3.5 48 3.6 43 2.0 43 2.1 43 2.1
775 48 3.3 48 3.4 48 3.5 48 3.6 48 3.8
800 49 3.6 49 3.8 48 3.3 48 3.4 48 3.5
* Orifice numbers shown in shading are factory installed
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