Nordyne SC Installation Instructions Manual page 42

HIGH ALTITUDE DERATION – NATURAL GAS WITH HIGH HEATING VALUE
ALTITUDE ABOVE
38,000
SEA LEVEL
(SC Models)
45
0 to 1,999 FT
3.5
45
2,000 to 2,999 FT
3.0
45
3,000 to 3,999 FT
2.8
45
4,000 to 4,999 FT
2.7
45
5,000 to 5,999 FT
2.5
49
6,000 to 6,999 FT
3.5
49
7,000 to 7,999 FT
3.4
49
8,000 to 8,999 FT
3.2
49
9,000 to 9,999 FT
3.0
Table 14. High Altitude Deration – Natural Gas with HIGH Heating Value
HIGH ALTITUDE DERATION – NATURAL GAS WITH LOW HEATING VALUE)
ALTITUDE ABOVE
38,000
SEA LEVEL
(SC Models)
45
0 to 1,999 FT
3.5
45
2,000 to 2,999 FT
3.5
45
3,000 to 3,999 FT
3.1
45
4,000 to 4,999 FT
2.9
45
5,000 to 5,999 FT
2.8
45
6,000 to 6,999 FT
2.6
48
7,000 to 7,999 FT
3.3
48
8,000 to 8,999 FT
3.0
48
9,000 to 9,999 FT
2.8
Table 15. High Altitude Deration – Natural Gas with LOW Heating Value
42
INPUT (BTU)
38,000
54,000 72,000
(SD Models)
51 47 47
3.5 3.5 3.5
51 47 47
3.2 3.2 3.2
51 47 47
3.0 3.0 3.0
51 47 47
2.8 2.8 2.8
51 47 47
2.5 2.7 2.7
53 49 49
3.5 3.5 3.5
53 49 49
3.2 3.3 3.3
53 49 49
3.0 3.0 3.0
53 49 49
2.8 2.8 2.8
INPUT (BTU)
38,000
54,000 72,000
(SD Models)
51 47 47
3.5 3.5 3.5
51 47 47
3.5 3.5 3.5
51 47 47
3.4 3.3 3.3
51 47 47
3.2 3.1 3.1
51 47 47
3.1 2.9 2.9
51 47 47
2.9 2.8 2.8
53 49 49
3.5 3.4 3.4
53 49 49
3.3 3.2 3.2
53 49 49
3.1 2.9 2.9
90,000 108,000 118,000
47 47 46
3.5 3.5 3.5
47 47 46
3.2 3.2 3.2
47 47 46
3.0 3.0 3.2
47 47 46
2.8 2.8 2.8
47 47 46
2.7 2.7 2.7
49 49 48
3.5 3.5 3.5
49 49 48
3.3 3.3 3.3
49 49 48
3.0 3.0 3.0
49 49 48
2.8 2.8 2.8
90,000 108,000 118,000
47 47 46
3.5 3.5 3.5
47 47 46
3.5 3.5 3.5
47 47 46
3.3 3.3 3.3
47 47 46
3.1 3.1 3.1
47 47 46
2.9 2.9 2.9
47 47 46
2.8 2.8 2.8
49 49 48
3.4 3.4 3.4
49 49 48
3.2 3.2 3.2
49 49 48
2.9 2.9 2.9
120,000
45 ORIFICE SIZE
3.5 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.3 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.1 MANIFOLD PRESSURE
45 ORIFICE SIZE
2.9 MANIFOLD PRESSURE
45 ORIFICE SIZE
2.8 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.5 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.3 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.0 MANIFOLD PRESSURE
48 ORIFICE SIZE
2.8 MANIFOLD PRESSURE
120,000
45 ORIFICE SIZE
3.5 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.5 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.4 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.2 MANIFOLD PRESSURE
45 ORIFICE SIZE
3.1 MANIFOLD PRESSURE
45 ORIFICE SIZE
2.9 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.5 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.3 MANIFOLD PRESSURE
48 ORIFICE SIZE
3.1 MANIFOLD PRESSURE