Nordyne M4RC Upflow Installation Instructions Manual page 42

42
NATURAL GAS - HIGH HEATING VALUE
ALTITUDE ABOVE
SEA LEVEL
54,000
47
0 to 1,999 FT
3.5
47
2,000 to 2,999 FT
3.2
47
3,000 to 3,999 FT
3.0
47
4,000 to 4,999 FT
2.8
47
5,000 to 5,999 FT
2.7
49
6,000 to 6,999 FT
3.5
49
7,000 to 7,999 FT
3.3
49
8,000 to 8,999 FT
3.0
49
9,000 to 9,999 FT
2.8
Table 13. High Altitude Deration Chart for
Natural Gas - High Heating Value
NATURAL GAS - LOW HEATING VALUE
ALTITUDE ABOVE
SEA LEVEL
54,000
47
0 to 1,999 FT
3.5
47
2,000 to 2,999 FT
3.5
47
3,000 to 3,999 FT
3.3
47
4,000 to 4,999 FT
3.1
47
5,000 to 5,999 FT
2.9
47
6,000 to 6,999 FT
2.8
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
2.9
Table 14. High Altitude Deration Chart for
Natural Gas - Low Heating Value
INPUT (BTU)
72,000 90,000 108,000
47 47 47
3.5 3.5 3.5
47 47 47
3.2 3.2 3.2
47 47 47
3.0 3.0 3.0
47 47 47
2.8 2.8 2.8
47 47 47
2.7 2.7 2.7
49 49 49
3.5 3.5 3.5
49 49 49
3.3 3.3 3.3
49 49 49
3.0 3.0 3.0
49 49 49
2.8 2.8 2.8
INPUT (BTU)
72,000 90,000 108,000
47 47 47
3.5 3.5 3.5
47 47 47
3.5 3.5 3.5
47 47 47
3.3 3.3 3.3
47 47 47
3.1 3.1 3.1
47 47 47
2.9 2.9 2.9
47 47 47
2.8 2.8 2.8
49 49 49
3.4 3.4 3.4
49 49 49
3.2 3.2 3.2
49 49 49
2.9 2.9 2.9
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MANIFOLD PRESSURE
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MANIFOLD PRESSURE
ORIFICE SIZE
MANIFOLD PRESSURE