Payne PG8MVA Installation Instructions Manual page 45

Table 13 - - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con't.)
(Tabulated Data Based on 21,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat Per Burner, Derated 4 Percent for Each 1000 Ft.
AVG. GAS
HEAT VALUE
ALTITUDE RANGE
AT ALTITUDE
FT. (M)
(BTUH/CU
FT.)
725
750
5001 to
775
6000
800
USA
825
(1524 to
850
1829)
875
900
AVG. GAS
ALTITUDE RANGE
HEAT VALUE
FT. (M)
AT ALTITUDE
(BTUH/CU FT.)
675
700
6001 to
725
7000 750
USA
775
(1829 to
800
2134)
825
850
AVG. GAS
ALTITUDE RANGE
HEAT VALUE
FT. (M)
AT ALTITUDE
(BTUH/CU FT.)
650
675
7001 to
700
8000 725
USA
(2134 to 750
775
2438)
800
825
AVG. GAS
ALTITUDE RANGE
HEAT VALUE
FT. (M) AT ALTITUDE
(BTUH/CU FT.)
625
650
8001 to
675
9000
USA 700
(2438 to
725
2743)
750
775
600
9001 to
625
10,000
650
USA
675
(2743 to
700
3048)
725
* Orifice numbers 43 are factory installed
(305 M) Above Sea level)
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
44 3.5/1.7 43
44 3.3/1.6 44
45 3.7/1.8 44
46 3.7/1.8 46
46 3.5/1.7 46
47 3.7/1.8 47
47 3.5/1.7 47
48 3.8/1.8 47
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
44 3.5/1.7 43
44 3.3/1.6 44
45 3.7/1.8 45
46 3.6/1.7 46
46 3.4/1.6 46
47 3.6/1.7 47
47 3.4/1.6 47
48 3.7/1.7 48
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
44 3.3/1.6 44
45 3.7/1.8 45
46 3.6/1.7 46
47 3.8/1.8 46
47 3.5/1.7 47
48 3.8/1.8 47
48 3.6/1.7 48
48 3.3/1.6 48
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
45 3.7/1.8 45
46 3.6/1.7 46
47 3.8/1.8 46
47 3.5/1.7 47
48 3.7/1.8 48
48 3.5/1.7 48
49 3.8/1.8 48
46 3.6/1.7 46
47 3.7/1.8 47
47 3.4/1.6 47
48 3.6/1.7 48
48 3.4/1.6 48
49 3.7/1.8 49
45
0.60 0.62
Manifold Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.2/1.5 43 3.3/1.6
3.4/1.6 44 3.5/1.7
3.2/1.5 44 3.3/1.6
3.8/1.8 45 3.8/1.8
3.6/1.7 46 3.7/1.8
3.8/1.8 46 3.5/1.7
3.6/1.7 47 3.7/1.8
3.4/1.6 47 3.5/1.7
0.60 0.62
Manifold Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.2/1.5 43 3.3/1.6
3.4/1.6 44 3.5/1.7
3.8/1.8 44 3.3/1.6
3.8/1.8 45 3.7/1.8
3.5/1.7 46 3.6/1.7
3.8/1.8 46 3.4/1.6
3.5/1.7 47 3.6/1.7
3.8/1.8 47 3.4/1.6
0.60 0.62
Manifold Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.4/1.6 44 3.5/1.7
3.8/1.8 44 3.3/1.6
3.7/1.8 46 3.8/1.8
3.5/1.7 46 3.6/1.7
3.7/1.8 47 3.8/1.8
3.4/1.6 47 3.6/1.7
3.7/1.8 48 3.8/1.8
3.5/1.6 48 3.6/1.7
0.60 0.62
Manifold Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.8/1.8 44 3.3/1.6
3.7/1.8 46 3.8/1.8
3.4/1.6 46 3.5/1.7
3.6/1.7 47 3.7/1.8
3.8/1.8 47 3.5/1.7
3.6/1.7 48 3.7/1.8
3.4/1.6 48 3.5/1.7
3.7/1.8 46 3.8/1.8
3.8/1.8 46 3.5/1.7
3.6/1.7 47 3.7/1.8
3.8/1.8 47 3.4/1.6
3.5/1.7 48 3.6/1.7
3.8/1.8 48 3.4/1.6
0.64
Manifold
Orifice
Pressure
No.
High/Low
43 3.4/1.6
43 3.2/1.5
44 3.4/1.6
44 3.2/1.5
46 3.8/1.8
46 3.6/1.7
46 3.4/1.6
47 3.7/1.7
0.64
Manifold
Orifice
Pressure
No.
High/Low
43 3.4/1.6
43 3.2/1.5
44 3.4/1.6
45 3.8/1.8
46 3.8/1.8
46 3.5/1.7
47 3.8/1.8
47 3.5/1.7
0.64
Manifold
Orifice
Pressure
No.
High/Low
43 3.2/1.5
44 3.4/1.6
45 3.8/1.8
46 3.7/1.8
46 3.5/1.6
47 3.7/1.7
47 3.4/1.6
48 3.7/1.8
0.64
Manifold
Orifice
Pressure
No.
High/Low
44 3.4/1.6
45 3.8/1.8
46 3.7/1.7
46 3.4/1.6
47 3.6/1.7
48 3.8/1.8
48 3.6/1.7
45 3.7/1.8
46 3.6/1.7
47 3.8/1.8
47 3.5/1.7
48 3.7/1.8
48 3.5/1.7