MANUFACTURED HOUSING DERATION CHART — DGAM, DGAT, DLAS Series
PROPANE
56,000 — Input 70,000 — Input 75,000 — Input 90,000 — Input
Elevation Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part #
0---2000
(Factory)
47,000 .082 / 45 9951---0821 57,000 .093 / 42 9951---0931 60,000 .096 / 41 9951---0961 72,000 . 104/ 37 9951---1041
2,000 43,240 .082 / 46 9951---0821 52,440 .093 / 42 9951---0931 55,200 .093 / 42 9951---0931 66,240 .101 / 38 9951---1011
3,000 41,360 .078 / 47 9951---0781 50,160 .089 / 43 9951---0891 52,800 .093 / 42 9951---0931 63,360 .099 / 39 9951---0991
4,000 39,480 .078 / 47 9951---0781 47,880 .089 / 43 9951---0891 50,700 .093 / 42 9951---0931 60,430 .099 / 39 9951---0991
5,000 37,600 .078 / 47 9951---0781 45,600 .089 / 43 9951---0891 48,000 .089 / 43 9951---0891 57,600 .098 / 40 9951---0981
6,000 35,720 .076 / 48 9951---0761 43,320 .086 / 44 9951---0861 45,600 .089 / 43 9951---0891 54,720 .096 / 41 9951---0961
7,000 33,840 .076 / 48 9951---0761 41,040 .086 / 44 9951---0861 43,200 .086 / 44 9951---0861 51,840 .093 / 42 9951---0931
8,000 31,960 .073 / 49 9951---0731 38,760 .082 / 45 9951---0821 40,800 .086 / 44 9951---0861 48,960 .093 / 42 9951---0931
9,000 30,080 .073 / 49 9951---0731 36,480 .082 / 45 9951---0821 38,400 .082 / 45 9951---0821 46,080 .089 / 43 9951---0891
10,000 28,200 .073 / 50 9951---0731 34,200 .078 / 47 9951---0781 36,000 .082 / 46 9951---0821 43,200 .089 / 43 9951---0891
NATURAL GAS
56,000 — Input 70,000 — Input 75,000 — Input 90,000 — Input
Elevation Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part # Output
Orifice /
Drill
Part #
0---2000
(Factory)
46,000 .128 / 30 9951---1281 56,000 .149 / 25 9951---1491 59,000 .154 / 23 9951---1541 72,000 .177 / 16 9951---1771
2,000 42,320 .128 / 30 9951---1281 51,520 .149 / 25 9951---1491 54,280 .149 / 25 9951---1491 66,240 .173 / 17 9951---1731
3,000 40,480 .120 / 31 9951---1201 49,280 .144 / 27 9951---1441 51,920 .149 / 25 9951---1491 63,360 .169 / 18 9951---1691
4,000 38,640 .120 / 31 9951---1201 47,040 .144 / 27 9951---1441 49,560 .144 / 27 9951---1441 60,480 .169 / 18 9951---1691
5,000 36,800 .120 / 31 9951---1201 44,800 .140 / 28 9951---1401 47,200 .144 / 27 9951---1441 57,600 .166 / 19 9951---1661
6,000 34,960 .120 / 31 9951---1201 42,560 .140 / 28 9951---1401 44,840 .144 / 27 9951---1441 54,720 .166 / 19 9951---1661
7,000 33,120 .116 / 32 9951---1161 40,320 .136 / 29 9951---1361 42,480 .140 / 28 9951---1401 51,840 .161 / 20 9951---1611
8,000 31,280 .116 / 32 9951---1161 38,080 .136 / 29 9951---1361 40,120 .136 / 29 9951---1361 48,960 .157 / 22 9951---1571
9,000 29,440 .113 / 33 9951---1131 35,840 .128 / 30 9951---1281 37,760 .136 / 29 9951---1361 46,080 .154 / 23 9951---1541
10,000 27,600 .110 / 35 9951---1101 33,600 .128 / 30 9951---1281 35,400 .128 / 30 9951---1281 43,200 .149 / 25 9951---1491
Above 2,000 feet: Derate furnace output capacity @ 4% per 1,000 feet of elevation.
Orifice deration = 2% for each 1,000 feet of elevation. High altitude oxygen level deration = 2% per 1000 feet of elevation.
Adjust air shutter for correct flame color.
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