Payne PG8J Installation Instructions Manual page 43

TABLE 13—ORIFICE SIZE* AND MANIFOLD PRESSURE FOR GAS INPUT RATE (CONTINUED)
(TABULATED DATA BASED ON 21,000 BTUH PER BURNER, DERATED 4 PERCENT FOR EACH 1000 FT. ABOVE SEA
AVG. GAS HEAT
ALTITUDE
VALUE AT ALTI-
RANGE (FT.)
TUDE (BTU/CU
FT.)
725
750
775
U.S.
800
5001 to
A.
6000 825
Only
850
875
900
AVG. GAS HEAT
VALUE AT ALTI-
ALTITUDE
RANGE (FT.) TUDE (BTU/CU
FT.)
675
700
725
U.S.
750
6001 to
A.
7000 775
Only
800
825
850
AVG. GAS HEAT
VALUE AT ALTI-
ALTITUDE
RANGE (FT.) TUDE (BTU/CU
FT.)
650
675
700
U.S.
725
7001 to
A.
8000 750
Only
775
800
825
AVG. GAS HEAT
VALUE AT ALTI-
ALTITUDE
RANGE (FT.) TUDE (BTU/CU
FT.)
625
650
675
U.S.
8001 to
700
A.
9000
Only
725
750
775
LEVEL)
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
43 2.0 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 2.3 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 2.1 43
43 2.0 43
48 3.6 48
48 3.3 48
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Orifice Manifold Orifice
No. Pressure No.
43 2.7 43
43 2.5 43
43 2.3 43
43 2.1 43
48 3.7 43
48 3.5 48
49 3.8 48
43
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
3.2 43
3.0 43
2.8 43
2.6 43
2.5 43
2.3 43
2.2 43
2.1 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
2.7 43
2.6 43
2.4 43
2.2 43
2.1 43
3.7 43
3.5 48
0.60 0.62
Manifold Orifice Manifold
Pressure No. Pressure
2.7 43
2.5 43
2.4 43
2.2 43
2.0 43
3.6 48
3.4 48
0.64
Orifice Manifold
No. Pressure
3.3 43 3.4
3.1 43 3.2
2.9 43 3.0
2.7 43 2.8
2.5 43 2.6
2.4 43 2.5
2.3 43 2.3
2.1 43 2.2
0.64
Orifice Manifold
No. Pressure
3.3 43 3.4
3.1 43 3.2
2.9 43 2.9
2.7 43 2.8
2.5 43 2.6
2.3 43 2.4
2.2 43 2.3
2.1 43 2.1
0.64
Orifice Manifold
No. Pressure
3.1 43 3.2
2.8 43 2.9
2.6 43 2.7
2.5 43 2.5
2.3 43 2.4
2.2 43 2.2
2.0 43 2.1
3.6 48 3.7
0.64
Orifice Manifold
No. Pressure
2.8 43 2.9
2.6 43 2.7
2.4 43 2.5
2.3 43 2.3
2.1 43 2.2
3.7 43 2.0
3.5 48 3.6