830CA: 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.
30
Table 16 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude - 80,000
Table 17 – Gas Valve Outlet Pressure for Gas Heat Values at
Altitude - 100,000
Tabulated Data Based on 80,000 BTUH Input, for 0-ft (0-m) to
5400-ft (1646-M) ab
ove sea level
ALTITUDE
RANGE ft (m)
AVG. GAS
HEAT
VALUEAT
ALTITUDE
(Btu/cu ft)
SPECIFIC GRAVITY OF
NATURAL GAS
0.58
0.60
0.62
0.64
Gas Valve Outlet Pressure
(in. W.C.)
U
.S
.A
.
900
2.8
2.9
3.0
3.1
0
925
2.6
2.7
2.8
2.9
(0)
950
2.5
2.6
2.7
2.8
975
2.4
2.5
2.5
2.6
to
1000
2.3
2.3
2.4
2.5
1025
2.1
2.2
2.3
2.4
2000
1050
2.0
2.1
2.2
2.3
(610)
1075
1.9
2.0
2.1
2.1
1100
1.9
1.9
2.0
2.1
U
.S
.A
.
800
3.0
3.1
3.1
3.1
2001
825
2.8
2.9
3.0
3.1
(611)
850
2.7
2.8
2.9
3.0
875
2.5
2.6
2.7
2.8
to
900
2.4
2.5
2.5
2.6
925
2.2
2.3
2.4
2.5
3000
950
2.1
2.2
2.3
2.4
(914)
975
2.0
2.1
2.2
2.2
1000
1.9
2.0
2.1
2.1
U
.S
.A
. O
nl
y
775
3.0
3.1
3.1
3.1
800
2.8
2.9
3.0
3.1
3001
825
2.6
2.7
2.8
2.9
(915)
850
2.5
2.6
2.6
2.7
to
875
2.3
2.4
2.5
2.6
900
2.2
2.3
2.3
2.4
4000
925
2.1
2.1
2.2
2.3
(1219)
950
2.0
2.0
2.1
2.2
975
1.9
1.9
2.0
2.1
1000
1.8
1.8
1.9
2.0
U
.S
.A
. O
nl
y
750
2.9
3.0
3.1
3.1
775
2.7
2.8
2.9
3.0
4001
800
2.6
2.7
2.8
2.8
(1220)
825
2.4
2.5
2.6
2.7
850
2.3
2.4
2.4
2.5
to
875
2.1
2.2
2.3
2.4
900
2.0
2.1
2.2
2.2
5000
925
1.9
2.0
2.0
2.1
(1524)
950
1.8
1.9
1.9
2.0
975
1.8
1.8
1.8
1.9
1000
1.8
1.8
1.8
1.8
U
.S
.A
. O
nl
y
725
2.9
3.0
3.1
3.1
750
2.7
2.8
2.9
3.0
5001
775
2.5
2.6
2.7
2.8
(1524)
800
2.4
2.4
2.5
2.6
825
2.2
2.3
2.4
2.5
to
850
2.1
2.2
2.2
2.3
875
2.0
2.0
2.1
2.2
5400
900
1.9
1.9
2.0
2.1
(1646)
925
1.8
1.8
1.9
1.9
950
1.8
1.8
1.8
1.8
975
1.8
1.8
1.8
1.8
1000
1.8
1.8
1.8
1.8
Tabulated Data Based on 100,000 BTUH Input, for 0-ft (0-m) to
5400-ft (1646-M) ab
ove sea level
ALTITUDE
RANGE ft (m)
AVG. GAS
HEAT
VALUEAT
ALTITUDE
(Btu/cu ft)
SPECIFIC GRAVITY OF
NATURAL GAS
0.58
0.60
0.62
0.64
Gas Valve Outlet Pressure
(in. W.C.)
U
.S
.A
.
900
3.3
3.4
3.5
3.6
0
925
3.1
3.2
3.3
3.4
(0)
950
2.9
3.0
3.1
3.2
975
2.8
2.9
3.0
3.1
to
1000
2.6
2.7
2.8
2.9
1025
2.5
2.6
2.7
2.8
2000
1050
2.4
2.5
2.6
2.6
(610)
1075
2.3
2.4
2.4
2.5
1100
2.2
2.3
2.3
2.4
U
.S
.A
.
800
3.5
3.7
3.8
3.9
2001
825
3.3
3.4
3.6
3.7
(611)
850
3.1
3.2
3.3
3.5
875
3.0
3.1
3.2
3.3
to
900
2.8
2.9
3.0
3.1
925
2.6
2.7
2.8
2.9
3000
950
2.5
2.6
2.7
2.8
(914)
975
2.4
2.5
2.5
2.6
1000
2.3
2.3
2.4
2.5
U
.S
.A
. O
nl
y
775
3.5
3.6
3.7
3.8
800
3.3
3.4
3.5
3.6
3001
825
3.1
3.2
3.3
3.4
(915)
850
2.9
3.0
3.1
3.2
to
875
2.7
2.8
2.9
3.0
900
2.6
2.7
2.8
2.8
4000
925
2.4
2.5
2.6
2.7
(1219)
950
2.3
2.4
2.5
2.6
975
2.2
2.3
2.3
2.4
1000
2.1
2.2
2.2
2.3
U
.S
.A
. O
nl
y
750
3.4
3.5
3.7
3.8
775
3.2
3.3
3.4
3.5
4001
800
3.0
3.1
3.2
3.3
(1220)
825
2.8
2.9
3.0
3.1
850
2.7
2.8
2.9
2.9
to
875
2.5
2.6
2.7
2.8
900
2.4
2.5
2.5
2.6
5000
925
2.3
2.3
2.4
2.5
(1524)
950
2.1
2.2
2.3
2.4
975
2.0
2.1
2.2
2.2
1000
1.9
2.0
2.1
2.1
U
.S
.A
. O
nl
y
725
3.4
3.6
3.7
3.8
750
3.2
3.3
3.4
3.6
5001
775
3.0
3.1
3.2
3.3
(1524)
800
2.8
2.9
3.0
3.1
825
2.6
2.7
2.8
2.9
to
850
2.5
2.6
2.7
2.8
875
2.4
2.4
2.5
2.6
5400
900
2.2
2.3
2.4
2.5
(1646)
925
2.1
2.2
2.2
2.3
950
2.0
2.1
2.1
2.2
975
1.9
1.9
2.0
2.1
1000
1.8
1.9
1.9
2.0