Carrier A Series - Above Sea Level)

PG80VTLA: 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.
35
Table 12 – 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)
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
Manifold
Pressure
High/Low
Orifice No.
Orifice No.
Manifold
Pressure
High/Low
Orifice No.
Manifold
Pressure
High/Low
USA
0 to
2000
(0 to 610)
900 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6 41 3.5/1.5
925 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5 42 3.7/1.6
950 43 3.8/1.7 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
975 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
1000 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
1025 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
1050 44 3.6/1.6 43 3.2/1.4 43 3.4/1.5 43 3.5/1.5
1075 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4
1100 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
USA
2001 to
3000 (610
to 914)
800 42 3.4/1.5 42 3.5/1.5 42 3.6/1.6 42 3.7/1.6
825 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
850 43 3.7/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
875 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6 43 3.8/1.7
900 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6
925 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5
950 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6 43 3.2/1.4
975 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5
1000 45 3.7/1.6 45 3.8/1.7 44 3.2/1.4 44 3.4/1.5
USA
3001 to
4000
(914 to
1219)
775 42 3.2/1.4 42 3.3/1.4 42 3.4/1.5 42 3.5/1.5
800 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
825 43 3.4/1.5 43 3.5/1.5 43 3.7/1.6 43 3.8/1.6
850 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.6/1.5
875 44 3.5/1.5 44 3.6/1.6 43 3.3/1.4 43 3.4/1.5
900 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4
925 45 3.8/1.6 44 3.2/1.4 44 3.3/1.5 44 3.4/1.5
950 46 3.8/1.6 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4
USA
4001 to
5000 (1219
to 1524)
750 43 3.6/1.6 43 3.8/1.6 42 3.2/1.4 42 3.3/1.4
775 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6 43 3.8/1.6
800 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5
825 44 3.4/1.5 44 3.6/1.5 43 3.2/1.4 43 3.3/1.4
850 44 3.2/1.4 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6
875 45 3.7/1.6 45 3.8/1.7 44 3.3/1.4 44 3.4/1.5
900 46 3.7/1.6 46 3.8/1.7 45 3.7/1.6 44 3.2/1.4
925 46 3.5/1.5 46 3.6/1.6 46 3.7/1.6 46 3.8/1.7
USA
5001 to
6000
(1524 to
1829)
725 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6
750 43 3.2/1.4 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5
775 44 3.4/1.5 44 3.5/1.5 43 3.2/1.4 43 3.3/1.4
800 44 3.2/1.4 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5
825 46 3.8/1.7 45 3.8/1.6 44
3.2/1.4 44 3.3/1.4
850 46 3.6/1.6 46 3.7/1.6 46 3.8/1.7 45 3.8/1.6
875 47 3.8/1.7 46 3.5/1.5 46 3.6/1.6 46 3.7/1.6
900 47 3.6/1.6 47 3.8/1.6 46 3.4/1.5 46 3.5/1.5
USA
6001 to
7000
(1829 to
2134)
675 43 3.4/1.5 43 3.5/1.5 43 3.6/1.6 43 3.7/1.6
700 44 3.6/1.6 43 3.3/1.4 43 3.4/1.5 43 3.5/1.5
725 44 3.4/1.5 44 3.5/1.5 44 3.6/1.6 43 3.2/1.4
750 45 3.8/1.7 44 3.3/1.4 44 3.4/1.5 44 3.5/1.5
775 46 3.7/1.6 45 3.7/1.6 45 3.8/1.7 44 3.2/1.4
800 46 3.5/1.5 46 3.6/1.6 46 3.8/1.6 45 3.7/1.6
825 47 3.7/1.6 46 3.4/1.5 46 3.5/1.5 46 3.6/1.6
850 47 3.5/1.5 47 3.6/1.6 47 3.8/1.6 46 3.4/1.5