Carrier 58SU0A060E17-16 - Page 29

29
Table 12 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude -- 40,000
(Tabulated Data Based on 40,000 BTUH Input for 0-ft (0m) to
5000-ft (1524 M) above sea level)
ALTITUDE
RANGE
ft (m)
AVG. GAS
HEAT
VALUE
AT ALTI-
TUDE
(Btu/cu ft)
SPECIFIC GRAVITY OF
NATURAL GAS
0.58 0.60 0.62 0.64
Manifold Pressure (in. W.C.)
U.S.A.
900 3.0 3.1 3.2 3.3
0 925 2.8 2.9 3.0 3.1
(0) 950 2.7 2.8 2.9 3.0
975 2.6 2.6 2.7 2.8
to 1000 2.4 2.5 2.6 2.7
1025 2.3 2.4 2.5 2.5
2000 1050 2.2 2.3 2.4 2.4
(610) 1075 2.1 2.2 2.2 2.3
1100 2.0 2.1 2.1 2.2
U.S.A.
800 3.2 3.3 3.5 3.6
2001 825 3.0 3.1 3.3 3.4
(611) 850 2.9 3.0 3.1 3.2
875 2.7 2.8 2.9 3.0
to 900 2.6 2.6 2.7 2.8
925 2.4 2.5 2.6 2.7
3000 950 2.3 2.4 2.5 2.5
(914) 975 2.2 2.3 2.3 2.4
1000 2.1 2.1 2.2 2.3
U.S.A.
Onl
y
775 3.2 3.3 3.4 3.5
800 3.0 3.1 3.2 3.3
3001 825 2.8 2.9 3.0 3.1
(915) 850 2.6 2.7 2.8 2.9
to 875 2.5 2.6 2.7 2.8
900 2.4 2.4 2.5 2.6
4000 925 2.2 2.3 2.4 2.5
(1219) 950 2.1 2.2 2.3 2.3
975 2.0 2.1 2.2 2.2
1000 1.9 2.0 2.0 2.1
U.S.A.
Onl
y
750 3.1 3.2 3.4 3.5
775 2.9 3.0 3.1 3.2
4001 800 2.8 2.9 2.9 3.0
(1220) 825 2.6 2.7 2.8 2.9
850 2.4 2.5 2.6 2.7
to 875 2.3 2.4 2.5 2.5
900 2.2 2.3 2.3 2.4
5000 925 2.1 2.1 2.2 2.3
(1524) 950 2.0 2.0 2.1 2.2
975 1.9 1.9 2.0 2.0
1000 1.8 1.8 1.9 1.9
Table 13 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude -- 60,000
(Tabulated Data Based on 60,000 BTUH Input for 0-ft (0m) to
5000-ft (1524 M) above sea level)
ALTITUDE
RANGE
ft (m)
AVG. GAS
HEAT
VALUE AT
ALTITUDE
(Btu/cu ft)
SPECIFIC GRAVITY OF
NATURAL GAS
0.58 0.60 0.62 0.64
Manifold Pressure (in. W.C.)
U.S.A.
900 2.7 2.8 2.9 2.9
0 925 2.5 2.6 2.7 2.8
(0) 950 2.4 2.5 2.6 2.6
975 2.3 2.3 2.4 2.5
to 1000 2.2 2.2 2.3 2.4
1025 2.0 2.1 2.2 2.3
2000 1050 1.9 2.0 2.1 2.2
(610) 1075 1.9 1.9 2.0 2.1
1100 1.8 1.8 1.9 2.0
U.S.A.
800 2.9 3.0 3.1 3.1
2001 825 2.7 2.8 2.9 3.0
(611) 850 2.6 2.6 2.7 2.8
875 2.4 2.5 2.6 2.7
to 900 2.3 2.4 2.4 2.5
925 2.1 2.2 2.3 2.4
3000 950 2.0 2.1 2.2 2.2
(914) 975 1.9 2.0 2.1 2.1
1000 1.8 1.9 2.0 2.0
U.S.A.
Onl
y
775 2.8 2.9 3.0 3.1
800 2.7 2.8 2.9 2.9
3001 825 2.5 2.6 2.7 2.8
(915) 850 2.4 2.4 2.5 2.6
to 875 2.2 2.3 2.4 2.5
900 2.1 2.2 2.2 2.3
4000 925 2.0 2.0 2.1 2.2
(1219) 950 1.9 1.9 2.0 2.1
975 1.8 1.8 1.9 2.0
1000 1.8 1.8 1.8 1.9
U.S.A.
Onl
y
750 2.8 2.9 3.0 3.1
775 2.6 2.7 2.8 2.9
4001 800 2.5 2.5 2.6 2.7
(1220) 825 2.3 2.4 2.5 2.5
850 2.2 2.2 2.3 2.4
to 875 2.0 2.1 2.2 2.3
900 1.9 2.0 2.1 2.1
5000 925 1.8 1.9 2.0 2.0
(1524) 950 1.8 1.8 1.8 1.9
975 1.8 1.8 1.8 1.8
1000 1.8 1.8 1.8 1.8