Carrier 58CTW Installation, Start-Up, Operating And Service And Maintenance Instructions page 44

Table 12 - - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con't.)
(Tabulated Data Based on 22,000 Btuh High- -Heat/14,500 Btuh for Low- -Heat per Burner, Derated 4 Percent for Each 1000 Ft.
AVG. GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
FT. (M)
(BTUH/CU FT.)
725
750
5001 to
775
6000
800
(1524
USA
825
to
850
1829)
875
900
AVG. GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
FT. (M)
(BTUH/CU FT.)
675
700
6001 to
725
7000
750
(1829
USA
775
to
800
2134)
825
850
AVG. GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
FT. (M)
(BTUH/CU FT.)
650
675
7001 to
700
8000
725
(2134
USA
750
to
775
2438)
800
825
AVG. GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
FT. (M)
(BTUH/CU FT.)
625
650
8001 to
675
9000
USA (2438 700
to
725
2743)
750
775
600
625
9001 to
650
10,000
USA
2743 to
675
3048)
700
725
* Orifice numbers 43 are factory installed
Above Sea Level)
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
43 3.4/1.5 43
43 3.2/1.4 43
44 3.4/1.5 44
44 3.2/1.4 44
46 3.8/1.7 45
46 3.6/1.6 46
47 3.8/1.7 46
47 3.6/1.6 47
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
43 3.4/1.5 43
44 3.6/1.6 43
44 3.4/1.5 44
45 3.8/1.7 44
46 3.7/1.6 45
46 3.5/1.5 46
47 3.7/1.6 46
47 3.5/1.5 47
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
44 3.6/1.6 43
44 3.3/1.5 44
45 3.8/1.6 44
46 3.7/1.6 46
46 3.4/1.5 46
47 3.6/1.6 47
47 3.4/1.5 47
48 3.7/1.6 48
SPECIFIC GRAVITY OF NATURAL GAS
0.58
Manifold
Orifice Orifice
Pressure
No. No.
High/Low
44 3.3/1.5 44
45 3.7/1.6 44
46 3.6/1.6 46
47 3.8/1.7 46
47 3.6/1.6 47
48 3.8/1.7 47
48 3.6/1.5 48
45 3.7/1.6 45
46 3.6/1.6 46
47 3.8/1.6 46
47 3.5/1.5 47
48 3.7/1.6 48
48 3.5/1.5 48
0.60 0.62
Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.5/1.5 43
3.3/1.4 43
3.5/1.5 43
3.3/1.4 44
3.8/1.6 44
3.7/1.6 46
3.5/1.5 46
3.8/1.6 46
0.60 0.62
Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.5/1.5 43
3.3/1.4 43
3.5/1.5 44
3.3/1.4 44
3.7/1.6 45
3.6/1.6 46
3.4/1.5 46
3.6/1.6 47
0.60 0.62
Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.2/1.4 43
3.5/1.5 44
3.2/1.4 44
3.8/1.7 45
3.6/1.5 46
3.8/1.6 46
3.5/1.5 47
3.8/1.6 47
0.60 0.62
Manifold
Orifice
Pressure Pressure
No.
High/Low High/Low
3.5/1.5 44
3.2/1.4 44
3.8/1.6 45
3.5/1.5 46
3.7/1.6 47
3.5/1.5 47
3.7/1.6 48
3.8/1.7 44
3.7/1.6 46
3.4/1.5 46
3.6/1.6 47
3.8/1.7 47
3.6/1.6 48
44
0.64
Manifold Manifold
Orifice
Pressure
No.
High/Low
3.6/1.6 43 3.7/1.6
3.4/1.5 43 3.5/1.5
3.2/1.4 43 3.3/1.4
3.4/1.5 44 3.5/1.5
3.2/1.4 44 3.3/1.4
3.8/1.7 45 3.8/1.6
3.6/1.6 46 3.7/1.6
3.4/1.5 46 3.5/1.5
0.64
Manifold Manifold
Orifice
Pressure
No.
High/Low
3.6/1.6 43 3.7/1.6
3.4/1.5 43 3.5/1.5
3.6/1.6 43 3.2/1.4
3.4/1.5 44 3.5/1.5
3.8/1.7 44 3.2/1.4
3.8/1.6 45 3.7/1.6
3.5/1.5 46 3.6/1.6
3.8/1.6 46 3.4/1.5
0.64
Manifold Manifold
Orifice
Pressure
No.
High/Low
3.4/1.5 43 3.5/1.5
3.6/1.6 43 3.2/1.4
3.3/1.4 44 3.4/1.5
3.7/1.6 44 3.2/1.4
3.7/1.6 46 3.8/1.6
3.4/1.5 46 3.6/1.5
3.7/1.6 47 3.8/1.6
3.4/1.5 47 3.6/1.5
0.64
Manifold Manifold
Orifice
Pressure
No.
High/Low
3.6/1.6 43 3.2/1.4
3.3/1.4 44 3.4/1.5
3.7/1.6 45 3.8/1.7
3.6/1.6 46 3.7/1.6
3.8/1.7 46 3.5/1.5
3.6/1.6 47 3.7/1.6
3.8/1.7 47 3.5/1.5
3.3/1.4 44 3.4/1.5
3.8/1.7 45 3.8/1.6
3.6/1.5 46 3.7/1.6
3.7/1.6 46 3.4/1.5
3.5/1.5 47 3.6/1.6
3.7/1.6 48 3.8/1.7