Bryant 330AAV - Page 18

TABLE 9—MODEL 330AAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT—Continued
(TABULATED DATA BASED ON 20,000 BTUH HIGH HEAT/13,000 BTUH LOW HEAT PER BURNER
DERATED 4% 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
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
725 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
750 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
775 45 3.6/1.5 45 3.7/1.6 44 3.2/1.3 44 3.3/1.4 44 3.4/1.4
4001 800 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 44 3.2/1.3
825 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
to 850 47 3.6/1.5 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4 45 3.4/1.4
875 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
5000 900 48 3.6/1.5 48 3.8/1.6 47 3.4/1.4 47 3.5/1.5 47 3.6/1.5
925 48 3.4/1.5 48 3.6/1.5 48 3.7/1.6 48 3.8/1.6 47 3.4/1.5
950 49 3.8/1.6 48 3.4/1.4 48 3.5/1.5 48 3.6/1.5 48 3.7/1.6
ALTITUDE
RANGE
(FT)
(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
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
700 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
725 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4 44 3.4/1.4
750 45 3.4/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6
775 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
5001 800 47 3.5/1.5 47 3.6/1.5 45 3.2/1.3 45 3.3/1.4 45 3.4/1.4
825 48 3.8/1.6 47 3.4/1.4 47 3.5/1.5 47 3.7/1.5 45 3.2/1.3
to 850 48 3.6/1.5 48 3.7/1.6 48 3.8/1.6 47 3.4/1.5 47 3.5/1.5
875 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
6000 900 49 3.7/1.6 49 3.8/1.6 48 3.4/1.4 48 3.5/1.5 48 3.6/1.5
925 49 3.5/1.5 49 3.6/1.5 49 3.8/1.6 48 3.3/1.4 48 3.4/1.4
950 49 3.3/1.4 49 3.5/1.5 49 3.6/1.5 49 3.7/1.6 49 3.8/1.6
975 50 3.7/1.6 49 3.3/1.4 49 3.4/1.4 49 3.5/1.5 49 3.6/1.5
1000 50 3.6/1.5 50 3.7/1.6 50 3.8/1.6 49 3.3/1.4 49 3.4/1.4
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
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
650 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
675 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6 44 3.3/1.4 44 3.4/1.4
700 45 3.3/1.4 45 3.5/1.5 45 3.6/1.5 45 3.7/1.6 45 3.8/1.6
6001 725 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4 45 3.4/1.5 45 3.5/1.5
750 47 3.5/1.5 47 3.6/1.5 47 3.7/1.6 45 3.2/1.4 45 3.3/1.4
to 775 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
800 48 3.5/1.5 48 3.6/1.5 48 3.7/1.6 48 3.8/1.6 47 3.5/1.5
7000 825 49 3.8/1.6 48 3.4/1.4 48 3.5/1.5 48 3.6/1.5 48 3.7/1.6
850 49 3.6/1.5 49 3.7/1.6 48 3.3/1.4 48 3.4/1.4 48 3.5/1.5
875 49 3.4/1.4 49 3.5/1.5 49 3.6/1.5 49 3.8/1.6 48 3.3/1.4
* For 060135 sizes only, input is 19,000 Btuh for high fire. Deduct 0.1-in. from manifold pressure shown in table. Change orifice size if manifold pressure falls below 3.2-in.wc.
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