Carrier 58CTA Installation And Service Instructions Manual page 42

(Tabulated Data Based On 22,000 Btuh High-Heat/14,500 Btuh for Low-Heat Per Burner,
AVG GAS
ALTITUDE
HEAT VALUE
RANGE
AT ALTITUDE
(FT)
(BTU/CU FT)
725
750
775
5001
800
to
825
6000
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
675
8001
to 700
9000
725
750
775
* Orifice numbers 43 are factory installed
Table 13–Orifice Size and Manifold Pressure for Gas Input Rate
Derated 4 Percent For Each 1000 Ft Above Sea Level)
0.58
Orifice Manifold
No. Pressure
43 3.4/1.5
43 3.2/1.4
44 3.4/1.5
44 3.2/1.4
46 3.8/1.7
46 3.6/1.6
47 3.8/1.7
47 3.6/1.6
0.58
Orifice Manifold
No. Pressure
43 3.4/1.5
44 3.6/1.6
44 3.4/1.5
45 3.8/1.7
46 3.7/1.6
46 3.5/1.5
47 3.7/1.6
47 3.5/1.5
0.58
Orifice Mainifold
No. Pressure
44 3.6/1.6
44 3.3/1.5
45 3.8/1.6
46 3.7/1.6
46 3.4/1.5
47 3.6/1.6
47 3.4/1.5
48 3.7/1.6
0.58
Orifice Manifold
No. Pressure
44 3.3/1.5
45 3.7/1.6
46 3.6/1.6
47 3.8/1.7
47 3.6/1.6
48 3.8/1.7
48 3.6/1.5
SPECIFIC GRAVITY OF NATURAL GAS
0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.5/1.5 43
43 3.3/1.4 43
44 3.5/1.5 43
44 3.3/1.4 44
45 3.8/1.6 44
46 3.7/1.6 46
46 3.5/1.5 46
47 3.8/1.6 46
SPECIFIC GRAVITY OF NATURAL GAS
0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.5/1.5 43
43 3.3/1.4 43
44 3.5/1.5 44
44 3.3/1.4 44
45 3.7/1.6 45
46 3.6/1.6 46
46 3.4/1.5 46
47 3.6/1.6 47
SPECIFIC GRAVITY OF NATURAL GAS
0.60
Orifice Manifold Orifice
No. Pressure No.
43 3.2/1.4 43
44 3.5/1.5 44
44 3.2/1.4 44
46 3.8/1.7 45
46 3.6/1.5 46
47 3.8/1.6 46
47 3.5/1.5 47
48 3.8/1.6 47
SPECIFIC GRAVITY OF NATURAL GAS
0.60
Orifice Manifold Orifice
No. Pressure No.
44 3.5/1.5 44
44 3.2/1.4 44
46 3.8/1.6 45
46 3.5/1.5 46
47 3.7/1.6 47
47 3.5/1.5 47
48 3.7/1.6 48
40
0.62 0.64
Manifold Orifice
Pressure No. Pressure
3.6/1.6 43
3.4/1.5 43
3.2/1.4 43
3.4/1.5 44
3.2/1.4 44
3.8/1.7 45
3.6/1.6 46
3.4/1.5 46
0.62 0.64
Manifold Orifice
Pressure No. Pressure
3.6/1.6 43
3.4/1.5 43
3.6/1.6 43
3.4/1.5 44
3.8/1.7 44
3.8/1.6 45
3.5/1.5 46
3.8/1.6 46
0.62 0.64
Manifold Orifice
Pressure No. Pressure
3.4/1.5 43
3.6/1.6 43
3.3/1.4 44
3.7/1.6 44
3.7/1.6 46
3.4/1.5 46
3.7/1.6 47
3.4/1.5 47
0.62 0.64
Manifold Orifice
Pressure No. Pressure
3.6/1.6 43
3.3/1.4 44
3.7/1.6 45
3.6/1.6 46
3.8/1.7 46
3.6/1.6 47
3.8/1.7 47
Manifold
3.7/1.6
3.5/1.5
3.3/1.4
3.5/1.5
3.3/1.4
3.8/1.6
3.7/1.6
3.5/1.5
Manifold
3.7/1.6
3.5/1.5
3.2/1.4
3.5/1.5
3.2/1.4
3.7/1.6
3.6/1.6
3.4/1.5
Manifold
3.5/1.5
3.2/1.4
3.4/1.5
3.2/1.4
3.8/1.6
3.6/1.5
3.8/1.6
3.6/1.5
Manifold
3.2/1.4
3.4/1.5
3.8/1.7
3.7/1.6
3.5/1.5
3.7/1.6
3.5/1.5