Installation Guide

33
Table9.HighAltitudeDerationChartforNaturalGas-HighHeatingValue
NATURALGASw/HIGHHEATINGVALUE
ALTITUDE ABOVE
SEA LEVEL
INPUT(BTU)
45,000 54,000 72,000 90,000 108,000 126,000
0 to 1,999 FT
49 47 47 47 47 47 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
2,000 to 2,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.9 3.2 3.2 3.2 3.2 3.2 MANIFOLD PRESSURE
3,000 to 3,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.8 3.0 3.0 3.0 3.0 3.0 MANIFOLD PRESSURE
4,000 to 4,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.6 2.8 2.8 2.8 2.8 2.8 MANIFOLD PRESSURE
5,000 to 5,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.5 2.7 2.7 2.7 2.7 2.7 MANIFOLD PRESSURE
6,000 to 6,999 FT
51 49 49 49 49 49 ORIFICE SIZE
3.3 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
7,000 to 7,999 FT
51 49 49 49 49 49 ORIFICE SIZE
3.0 3.3 3.3 3.3 3.3 3.3 MANIFOLD PRESSURE
8,000 to 8,999 FT
51 49 49 49 49 49 ORIFICE SIZE
2.8 3.0 3.0 3.0 3.0 3.0 MANIFOLD PRESSURE
9,000 to 9,999 FT
51 49 49 49 49 49 ORIFICE SIZE
2.6 2.8 2.8 2.8 2.8 2.8 MANIFOLD PRESSURE
Table10.HighAltitudeDerationChartforNaturalGas-LowHeatingValue
NATURALGASw/LOWHEATINGVALUE
ALTITUDE ABOVE
SEA LEVEL
INPUT(BTU)
45,000 54,000 72,000 90,000 108,000 126,000
0 to 1,999 FT
49 47 47 47 47 47 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
2,000 to 2,999 FT
49 47 47 47 47 47 ORIFICE SIZE
3.5 3.5 3.5 3.5 3.5 3.5 MANIFOLD PRESSURE
3,000 to 3,999 FT
49 47 47 47 47 47 ORIFICE SIZE
3.1 3.3 3.3 3.3 3.3 3.3 MANIFOLD PRESSURE
4,000 to 4,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.9 3.1 3.1 3.1 3.1 3.1 MANIFOLD PRESSURE
5,000 to 5,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.7 2.9 2.9 2.9 2.9 2.9 MANIFOLD PRESSURE
6,000 to 6,999 FT
49 47 47 47 47 47 ORIFICE SIZE
2.6 2.8 2.8 2.8 2.8 2.8 MANIFOLD PRESSURE
7,000 to 7,999 FT
51 49 49 49 49 49 ORIFICE SIZE
3.4 3.4 3.4 3.4 3.4 3.4 MANIFOLD PRESSURE
8,000 to 8,999 FT
51 49 49 49 49 49 ORIFICE SIZE
3.1 3.2 3.2 3.2 3.2 3.2 MANIFOLD PRESSURE
9,000 to 9,999 FT
51 49 49 49 49 49 ORIFICE SIZE
2.9 2.9 2.9 2.9 2.9 2.9 MANIFOLD PRESSURE