J962V Installation Manual

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Table 8. High Altitude Deration - Propane Gas
HIGH ALTITUDE DERATION – PROPANE GAS
ALTITUDE ABOVE
SEA LEVEL
INPUT (BTU) & STAGE
60,000 80,000 100,000 115,000
1ST 2ND 1ST 2ND 1ST 2ND 1ST 2ND
0 to 1,999 FT
55 55 55 55 ORIFICE SIZE
4.2 10.0 4.2 10.0 4.2 10.0 4.2 10.0 MANIFOLD PRESSURE
2,000 to 2,999 FT
55 55 55 55 ORIFICE SIZE
4.2 9.0 4.2 9.0 4.2 9.0 4.2 9.0 MANIFOLD PRESSURE
3,000 to 4,999 FT
55 55 55 55 ORIFICE SIZE
4.2 8.5 4.2 8.5 4.2 8.5 4.2 8.5 MANIFOLD PRESSURE
5,000 to 5,999 FT
56 56 56 56 ORIFICE SIZE
4.2 10.0 4.2 10.0 4.2 10.0 4.2 10.0 MANIFOLD PRESSURE
6,000 to 7,999 FT
56 56 56 56 ORIFICE SIZE
4.2 9.0 4.2 9.0 4.2 9.0 4.2 9.0 MANIFOLD PRESSURE
8,000 to 10,000 FT
56 56 56 56 ORIFICE SIZE
4.2 8.5 4.2 8.5 4.2 8.5 4.2 8.5 MANIFOLD PRESSURE
LOCAL HEATING VALUES FOR NATURAL GAS
ALTITUDE ABOVE
SEA LEVEL
BTU PER CUBIC FOOT
650 700 750 800 850 900 950 1,000 1,050
2,000 FT LOW LOW LOW LOW LOW LOW
HIGH HIGH HIGH
3,000 FT LOW LOW LOW LOW LOW LOW
HIGH HIGH HIGH
4,000 FT LOW LOW LOW LOW LOW
HIGH HIGH HIGH HIGH
5,000 FT LOW LOW LOW LOW LOW
HIGH HIGH HIGH HIGH
6,000 FT LOW LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH
7,000 FT LOW LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH
8,000 FT LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH
9,000 FT LOW LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH
10,000 FT LOW LOW
HIGH HIGH HIGH HIGH HIGH HIGH HIGH
Table 9. Natural Gas Heating Values