Carrier 58STA070-12 Installation Instruction page 40

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 Level)
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
725
750
775
5001
800
to
6000 825
850
875
900
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
675
700
725
6001
750
to
775
7000
800
825
850
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
650
675
700
7001
725
to
750
8000
775
800
825
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
625
650
8001
675
to
700
9000
725
750
775
* Orifice numbers 43 are factory installed
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
40
0.60 0.62
Manifold Orifice
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
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
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
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
Manifold 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
Manifold 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
Manifold 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
Manifold 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