Propane Gas - Nordyne *TC Installation Instructions Manual

PROPANE DERATION CHART
ALTITUDE INPUT (BTU) & STAGE
ABOVE SEA 60,000 80,000 100,000 120,000
LEVEL l st!2nd l stl2nd l stl2nd 1st !2nd
I 55 - 55 u 55 I 55 ORIFICE SIZE
0 to 1 999 FT _ _ _ _ _
: 4.2 J !0:01 4:2:_ 10:0 [4:2:1 !0:01:4:2J 10.0_ MANIFOLDPRESSUR E
55 55 55 55 ORIFICE SIZE
2,000 to 2,999 FT
4.219.0 4.219.0 4.219.0 4.2 I 9.0MAN,FOLDPRESSURE
| | 55 I 55 I 55 55 ORIFICE SIZE
3D00to4,999FT 4.2 ! 8:5 4.2 ! 8:5 4.2 ! 8:5 " 4.2 I 8:5 MANIFOLD PRESSURE
56 56 56 56 ORIFICE SIZE
5,000 to 5,999 FT
4.2 ! 10.0 4.2 i10.0 4.2 i i0.0 4.2 !10.0 M AN,FOLDPRESSURE
' 56 56 56 56 ORIFICE SIZE
6,000 to 7;999 FT
4,21 90 _,2!9,o42!9:0 42!9:o MANIFOLD PRESSURE
56 56 56 56 ORIFICE SIZE
8,000 to 10,000 FT _ 4.2 I 8.5 _ _ MANIFOLD PRESSURE
Table 13. High Altitude Deration Chart for Propane Gas
__ m
LOCAL HEATING VALUES FOR NATURAL GAS
ALTITUDE ABOVE
SEA LEVEL
BTU PER CUBIC FOOT
650 700 750 800 850 900
_=...=.==.,=.==._
2,000 FT LOW LOW LOW LOW LOW LOW
3,000 FT LOW LOW LOW LOW LOW LOW
4,000 FT LOW LOW LOW LOW LOW HiGH
5,000 FT LOW LOW LOW LOW LOW HiGH
6,000 FT LOW LOW LOW LOW HiGH HiGH
7,000 FT LOW LOW LOW LOW HiGH HiGH
8,000 FT LOW LOW LOW HiGH HiGH HiGH
9,000 FT LOW LOW LOW HiGH HiGH HiGH
10,000 FT LOW LOW HiGH HiGH HiGH HiGH
Table 14. Natural Gas Heating Values
950 1,000 1,050
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
HIGH HIGH HIGH
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