Table 10 - High Altitude Deration Chart For Propane Gas; Table 11 - Natural Gas Heating Values - Nordyne *TA UPFLOW / HORIZONTAL Installation Instructions Manual

PROPANE DERATION CHART
ALTITUDE ABOVE
60,000
SEA LEVEL
1st 2nd
55
0 to 1,999 FT
4.2 10.0
55
2,000 to 2,999 FT
4.2 9.0
55
3,000 to 4,999 FT
4.2 8.5
56
5,000 to 5,999 FT
4.2 10.0
56
6,000 to 7,999 FT
4.2 9.0
56
8,000 to 10,000 FT
4.2 8.5
Table 10. High Altitude Deration Chart for Propane Gas
LOCAL HEATING VALUES FOR NATURAL GAS
ALTITUDE ABOVE
SEA LEVEL
2,000 FT
3,000 FT
4,000 FT
5,000 FT
6,000 FT
7,000 FT
8,000 FT
9,000 FT
10,000 FT
INPUT (BTU) & STAGE
80,000 100,000
1st 2nd 1st 2nd
55 55
4.2 10.0 4.2 10.0
55 55
4.2 9.0 4.2 9.0
55 55
4.2 8.5 4.2 8.5
56 56
4.2 10.0 4.2 10.0
56 56
4.2 9.0 4.2 9.0
56 56
4.2 8.5 4.2 8.5
BTU PER CUBIC FOOT
650 700 750 800
LOW LOW LOW LOW
LOW LOW LOW LOW
LOW LOW LOW LOW
LOW LOW LOW LOW
LOW LOW LOW LOW
LOW LOW LOW LOW
LOW LOW LOW HIGH
LOW LOW LOW HIGH
LOW LOW HIGH HIGH
Table 11. Natural Gas Heating Values
120,000 140,000
1st 2nd 1st 2nd
55 55 ORIFICE SIZE
4.2 10.0 4.2 10.0 MANIFOLD PRESSURE
55 55 ORIFICE SIZE
4.2 9.0 4.2 9.0 MANIFOLD PRESSURE
55 55 ORIFICE SIZE
4.2 8.5 4.2 8.5 MANIFOLD PRESSURE
56 56 ORIFICE SIZE
4.2 10.0 4.2 10.0 MANIFOLD PRESSURE
56 56 ORIFICE SIZE
4.2 9.0 4.2 9.0 MANIFOLD PRESSURE
56 56 ORIFICE SIZE
4.2 8.5 4.2 8.5 MANIFOLD PRESSURE
850 900 950 1,000
LOW LOW HIGH HIGH
LOW LOW HIGH HIGH
LOW HIGH HIGH HIGH
LOW HIGH HIGH HIGH
HIGH HIGH HIGH HIGH
HIGH HIGH HIGH HIGH
HIGH HIGH HIGH HIGH
HIGH HIGH HIGH HIGH
HIGH HIGH HIGH HIGH
1,050
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
HIGH
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