Carrier 58TN0B - Page 36

58TN0B/58TN1B: Installation, Start–Up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
36
* Orifice numbers 43 are factory installed
USA
8001 to
9000
(2438 to
2743)
625 44 3.3/1.5 44 3.5/1.5 44 3.6/1.6 43 3.2/1.4
650 45 3.7/1.6 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5
675 46 3.6/1.6 46 3.8/1.6 45 3.7/1.6 45 3.8/1.7
700 47 3.8/1.7 46 3.5/1.5 46 3.6/1.6 46 3.7/1.6
725 47 3.6/1.6 47 3.7/1.6 47 3.8/1.7 46 3.5/1.5
750 48 3.8/1.7 47 3.5/1.5 47 3.6/1.6 47 3.7/1.6
775 48 3.6/1.5 48 3.7/1.6 48 3.8/1.7 47 3.5/1.5
USA
9001 to
10,000
2743 to
3048)
600 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4 44 3.4/1.5
625 46 3.6/1.6 46 3.7/1.6 46 3.8/1.7 45 3.8/1.6
650 47 3.8/1.6 46 3.4/1.5 46 3.6/1.5 46 3.7/1.6
675 47 3.5/1.5 47 3.6/1.6 47 3.7/1.6 46 3.4/1.5
700 48 3.7/1.6 48 3.8/1.7 47 3.5/1.5 47 3.6/1.6
725 48 3.5/1.5 48 3.6/1.6 48 3.7/1.6 48 3.8/1.7
Table 19 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate
(Tabulated Data Based on 22,000 BTUh High-Heat/14,500 BTUh for Low-Heat per Burner, Derated 4 Percent for
Each 1000 Ft. (305 M) Above Sea Level) (Continued)
ALTITUDE RANGE FT.
(M)
AVG. GAS HEAT
VALUE (BTUH/CU
FT.)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low
Table 20 – Orifice Size and Manifold Pressure (in. w.c.) for Gas Input Rate
(Tabulated Data Based on 21,000 BTUh High-Heat/14,500 BTUh for Low-Heat Per Burner, Derated 4 Percent for
Each 1000 Ft. (305 M) Above Sea level)
ALTITUDE RANGE FT.
(M)
AVG. GAS HEAT
VALUE (BTUH/CU
FT.)
SPECIFIC GRAVITY OF NATURAL GAS
0.58 0.60 0.62 0.64
Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low Orifice No.
Manifold
Pressure
High/Low
USA
0 to
2000
(0 to 610)
900 42 3.2/1.5 42 3.3/1.6 42 3.4/1.6 42 3.5/1.7
925 43 3.7/1.8 43 3.8/1.8 42 3.2/1.5 42 3.3/1.6
950 43 3.5/1.7 43 3.6/1.7 43 3.7/1.8 43 3.8/1.8
975 43 3.3/1.6 43 3.4/1.6 43 3.5/1.7 43 3.7/1.7
1000 44 3.6/1.7 43 3.3/1.6 43 3.4/1.6 43 3.5/1.7
1025 44 3.4/1.6 44 3.6/1.7 43 3.2/1.5 43 3.3/1.6
1050 44 3.3/1.6 44 3.4/1.6 44 3.5/1.7 43 3.2/1.5
1075 45 3.8/1.8 44 3.2/1.5 44 3.3/1.6 44 3.4/1.6
1100 46 3.8/1.8 45 3.7/1.8 44 3.2/1.5 44 3.3/1.6
USA
2001 to
3000
(610 to
914)
800 43 3.8/1.8 42 3.2/1.5 42 3.3/1.6 42 3.4/1.6
825 43 3.5/1.7 43 3.7/1.7 43 3.8/1.8 42 3.2/1.5
850 43 3.3/1.6 43 3.5/1.6 43 3.6/1.7 43 3.7/1.8
875 43 3.2/1.5 43 3.3/1.6 43 3.4/1.6 43 3.5/1.7
900 44 3.4/1.6 44 3.5/1.7 43 3.2/1.5 43 3.3/1.6
925 44 3.2/1.5 44 3.3/1.6 44 3.5/1.6 44 3.6/1.7
950 45 3.7/1.8 45 3.8/1.8 44 3.3/1.6 44 3.4/1.6
975 46 3.7/1.8 46 3.8/1.8 45 3.8/1.8 44 3.2/1.5
1000 46 3.5/1.7 46 3.6/1.7 46 3.8/1.8 45 3.7/1.8
USA
3001 to
4000
(914 to
1219)
775 43 3.5/1.7 43 3.7/1.7 43 3.8/1.8 42 3.2/1.5
800 43 3.3/1.6 43 3.4/1.6 43 3.5/1.7 43 3.7/1.7
825 44 3.6/1.7 43 3.2/1.5 43 3.3/1.6 43 3.4/1.6
850 44 3.4/1.6 44 3.5/1.7 44 3.6/1.7 43 3.2/1.5
875 45 3.8/1.8 44 3.3/1.6 44 3.4/1.6 44 3.5/1.7
900 46 3.8/1.8 45 3.8/1.8 44 3.2/1.5 44 3.3/1.6
925 46 3.6/1.7 46 3.7/1.8 45 3.7/1.8 45 3.8/1.8
950 46 3.4/1.6 46 3.5/1.7 46 3.7/1.7 46 3.8/1.8
USA
4001 to
5000
(1219 to
1524)
750 43 3.3/1.6 43 3.4/1.6 43 3.5/1.7 43 3.6/1.7
775 44 3.6/1.7 43 3.2/1.5 43 3.3/1.6 43 3.4/1.6
800 44 3.3/1.6 44 3.4/1.6 44 3.6/1.7 43 3.2/1.5
825 45 3.8/1.8 44 3.2/1.5 44 3.4/1.6 44 3.5/1.6
850 46 3.8/1.8 45 3.7/1.8 45 3.8/1.8 44 3.3/1.6
875 46 3.5/1.7 46 3.7/1.7 46 3.8/1.8 45 3.7/1.8
900 47 3.8/1.8 46 3.5/1.7 46 3.6/1.7 46 3.7/1.8
925 47 3.6/1.7 47 3.7/1.8 47 3.8/1.8 46 3.5/1.7