Installation Guide
42
Table14.HighAltitudeDeration–NaturalGaswithHIGHHeatingValue
HIGHALTITUDEDERATION–NATURALGASWITHHIGHHEATINGVALUE
ALTITUDE ABOVE
SEA LEVEL
INPUT(BTU)
38,000
(SCModels)
38,000
(SDModels)
54,000 72,000 90,000 108,000 118,000 120,000
0to1,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
2,000to2,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.0 3.2 3.2 3.2 3.2 3.2 3.2 3.3 MANIFOLD PRESSURE
3,000to3,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.8 3.0 3.0 3.0 3.0 3.0 3.2 3.1 MANIFOLD PRESSURE
4,000to4,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.7 2.8 2.8 2.8 2.8 2.8 2.8 2.9 MANIFOLD PRESSURE
5,000to5,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.5 2.5 2.7 2.7 2.7 2.7 2.7 2.8 MANIFOLD PRESSURE
6,000to6,999FT
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
7,000to7,999FT
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.4 3.2 3.3 3.3 3.3 3.3 3.3 3.3 MANIFOLD PRESSURE
8,000to8,999FT
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.2 3.0 3.0 3.0 3.0 3.0 3.0 3.0 MANIFOLD PRESSURE
9,000to9,999FT
49 53 49 49 49 49 48 48 ORIFICE SIZE
3.0 2.8 2.8 2.8 2.8 2.8 2.8 2.8 MANIFOLD PRESSURE
HIGHALTITUDEDERATION–NATURALGASWITHLOWHEATINGVALUE)
ALTITUDE ABOVE
SEA LEVEL
INPUT(BTU)
38,000
(SCModels)
38,000
(SDModels)
54,000 72,000 90,000 108,000 118,000 120,000
0to1,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
2,000to2,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
3,000to3,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
3.1 3.4 3.3 3.3 3.3 3.3 3.3 3.4 MANIFOLD PRESSURE
4,000to4,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.9 3.2 3.1 3.1 3.1 3.1 3.1 3.2 MANIFOLD PRESSURE
5,000to5,999FT
45 51 47 47 47 47 46 45 ORIFICE SIZE
2.8 3.1 2.9 2.9 2.9 2.9 2.9 3.1 MANIFOLD PRESSURE
6,000to6,999FT
45 51 47 47 47 47 46 45
ORIFICE SIZE
2.6 2.9 2.8 2.8 2.8 2.8 2.8 2.9
MANIFOLD PRESSURE
7,000to7,999FT
48 53 49 49 49 49 48 48 ORIFICE SIZE
3.3 3.5 3.4 3.4 3.4 3.4 3.4 3.5 MANIFOLD PRESSURE
8,000to8,999FT
48 53 49 49 49 49 48 48 ORIFICE SIZE
3.0 3.3 3.2 3.2 3.2 3.2 3.2 3.3 MANIFOLD PRESSURE
9,000to9,999FT
48 53 49 49 49 49 48 48 ORIFICE SIZE
2.8 3.1 2.9 2.9 2.9 2.9 2.9 3.1 MANIFOLD PRESSURE
Table15.HighAltitudeDeration–NaturalGaswithLOWHeatingValue