Bryant 333JAV - Page 20

TABLE 11—MODEL 333BAV AND 333JAV ORIFICE SIZE* AND MANIFOLD PRESSURE FOR CORRECT INPUT
(TABULATED DATA BASED ON 20,000 BTUH HIGH HEAT/13,000 BTUH LOW HEAT PER BURNER
DERATED 4 PERCENT FOR EACH 1000 FT ABOVE SEA LEVEL
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
U.S.A. and Canada
0
to
2000
850 43 3.7/1.5 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4 42 3.4/1.4
875 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6 43 3.8/1.6 42 3.2/1.4
900 44 3.7/1.6 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6
925 44 3.5/1.5 44 3.7/1.6 44 3.8/1.6 43 3.4/1.4 43 3.5/1.5
950 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5 44 3.7/1.6 44 3.8/1.6
975 44 3.2/1.3 44 3.3/1.4 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5
1000 45 3.7/1.6 45 3.8/1.6 44 3.2/1.4 44 3.4/1.4 44 3.5/1.5
1025 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 44 3.2/1.3 44 3.3/1.4
1050 45 3.3/1.4 45 3.4/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6
1075 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5
1100 47 3.6/1.5 47 3.71.6 45 3.2/1.4 45 3.4/1.4 45 3.5/1.5
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
U.S.A. and Canada
Altitudes
2001
to
3000
or
Canada
Altitudes
2000
to
4500
775 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5 43 3.7/1.6 43 3.8/1.6
800 44 3.6/1.5 44 3.8/1.6 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5
825 44 3.4/1.4 44 3.5/1.5 44 3.7/1.5 44 3.8/1.6 43 3.4/1.4
850 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.6/1.5 44 3.7/1.5
875 45 3.7/1.6 45 3.8/1.6 44 32/1.4 44 3.4/1.4 44 3.5/1.5
900 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4
925 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6
950 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4 45 3.4/1.5 45 3.6/1.5
975 47 3.5/1.5 47 3.6/1.5 47 3.2/1.3 45 3.3/1.4 45 3.4/1.4
1000 48 3.8/1.6 47 3.5/1.5 47 3.6/1.5 47 3.7/1.6 45 3.2/1.4
1025 48 3.6/1.5 48 3.8/1.6 48 3.4/1.4 47 3.5/1.5 47 3.6/1.5
ALTITUDE
RANGE
(FT)
AVG GAS
HEAT VALUE
(BTU/CU FT)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64 0.66
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
Orifice
No.
Manifold
Pressure
High/Low
U.S.A. Only
3001
to
4000
750 44 3.6/1.5 44 3.8/1.6 43 3.4/1.4 43 3.5/1.5 43 3.6/1.5
775 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5 44 3.8/1.6 43 3.4/1.4
800 44 3.2/1.4 44 3.3/1.4 44 3.4/1.4 44 3.5/1.5 44 3.6/1.5
825 45 3.6/1.5 45 3.8/1.6 44 3.2/1.4 44 3.3/1.4 44 3.4/1.4
850 45 3.4/1.4 45 3.5/1.5 45 3.7/1.5 45 3.8/1.6 44 3.2/1.4
875 45 3.1/1.4 45 3.3/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6
900 47 3.6/1.5 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4 45 3.5/1.5
925 47 3.4/1.5 47 3.6/1.5 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4
950 48 3.7/1.6 48 3.8/1.6 47 3.5/1.5 47 3.6/1.5 47 3.7/1.6
975 48 3.5/1.5 48 3.7/1.5 48 3.8/1.6 47 3.4/1.4 47 3.5/1.5
1000 48 3.4/1.4 48 3.5/1.5 48 3.6/1.5 48 3.7/1.6 48 3.8/1.6
* Orifice numbers 45 are factory installed.
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