Payne PG8J Installation Instructions Manual page 40

TABLE 12–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
AVG. GAS
ALTITUDE HEAT VALUE
RANGE (FT.) AT ALTITUDE
(BTU/CU FT.)
725
750
775
800
U.S.A. 5001 to
Only 6000 825
850
875
900
AVG. GAS HEAT
ALTITUDE
VALUE AT ALTI-
RANGE (FT.)
TUDE (BTU/CU
FT.)
675
700
725
750
U.S.A. 6001 to
Only 7000
775
800
825
850
AVG. GAS HEAT
ALTITUDE
VALUE AT ALTI-
RANGE (FT.)
TUDE (BTU/CU
FT.)
650
675
700
725
U.S.A. 7001 to
Only 8000 750
775
800
825
AVG. GAS HEAT
ALTITUDE
VALUE AT ALTI-
RANGE (FT.)
TUDE (BTU/CU
FT.)
625
650
675
U.S.A. 8001 to
700
Only 9000
725
750
775
LEVEL)
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Orifice Manifold Orifice
No. Pressure No.
43 3.4 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
SPECIFIC GRAVITY OF NATURAL GAS
0.58
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 2.1 43
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Orifice Manifold Orifice
No. Pressure No.
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
SPECIFIC GRAVITY OF NATURAL GAS
0.58
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 3.6 48
40
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.5 43
3.3 43
3.1 43
2.9 43
2.7 43
2.5 43
2.4 43
2.3 43
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.5 43
3.3 43
3.0 43
2.8 43
2.7 43
2.5 43
2.3 43
2.2 43
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.2 43
3.0 43
2.8 43
2.6 43
2.4 43
2.3 43
2.1 43
2.0 43
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.0 43
2.8 43
2.6 43
2.4 43
2.2 43
2.1 43
3.7 43
0.64
Orifice Manifold
No. Pressure
3.6 43 3.7
3.4 43 3.5
3.2 43 3.3
3.0 43 3.1
2.8 43 2.9
2.6 43 2.7
2.5 43 2.6
2.3 43 2.4
0.64
Orifice Manifold
No. Pressure
3.6 43 3.7
3.4 43 3.5
3.1 43 3.2
2.9 43 3.0
2.7 43 2.8
2.6 43 2.7
2.4 43 2.5
2.3 43 2.4
0.64
Orifice Manifold
No. Pressure
3.4 43 3.5
3.1 43 3.2
2.9 43 3.0
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
0.64
Orifice Manifold
No. Pressure
3.1 43 3.2
2.9 43 3.0
2.7 43 2.8
2.5 43 2.6
2.3 43 2.4
2.2 43 2.2
2.0 43 2.1