22
MANUFACTURED HOUSING DERATION CHART — DGAM, DGAT, DLAS Series
PROPANE
56,000 — Input 70,000 — Input 75,000 — Input 95,000 — 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 75,000 . 106/ 36 9951-1061
2,000 42,320 .082 / 46 9951-0821 52,440 .093 / 42 9951-0931 56,120 .093 / 42 9951-0931 69,000 .104 / 37 9951-1041
3,000 40,480 .078 / 47 9951-0781 50,160 .089 / 43 9951-0891 53,680 .093 / 42 9951-0931 66,000 .101 / 38 9951-1011
4,000 38,640 .078 / 47 9951-0781 47,880 .089 / 43 9951-0891 51,240 .093 / 42 9951-0931 63,000 .101 / 38 9951-1011
5,000 36,800 .078 / 47 9951-0781 45,600 .089 / 43 9951-0891 48,800 .089 / 43 9951-0891 60,000 .099 / 39 9951-0991
6,000 34,960 .076 / 48 9951-0761 43,320 .086 / 44 9951-0861 46,360 .089 / 43 9951-0891 57,000 .098 / 40 9951-0981
7,000 33,120 .076 / 48 9951-0761 41,040 .086 / 44 9951-0861 43,920 .086 / 44 9951-0861 54,000 .096 / 41 9951-0961
8,000 31,280 .073 / 49 9951-0731 38,760 .082 / 45 9951-0821 41,480 .086 / 44 9951-0861 51,000 .096 / 41 9951-0961
9,000 29,440 .073 / 49 9951-0731 36,480 .082 / 45 9951-0821 39,040 .082 / 45 9951-0821 48,000 .093 / 42 9951-0931
10,000 27,600 .073 / 50 9951-0731 34,200 .078 / 47 9951-0781 36,600 .082 / 46 9951-0821 45,000 .086 / 43 9951-0861
NATURAL GAS
56,000 — Input 70,000 — Input 75,000 — Input 95,000 — 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 73,000 .180 / 15 9951-1801
2,000 42,320 .128 / 30 9951-1281 52,440 .149 / 25 9951-1491 56,120 .149 / 25 9951-1491 69,000 .177 / 16 9951-1771
3,000 40,480 .120 / 31 9951-1201 50,160 .144 / 27 9951-1441 53,680 .149 / 25 9951-1491 66,000 .173 / 17 9951-1731
4,000 38,640 .120 / 31 9951-1201 47,880 .144 / 27 9951-1441 51,240 .144 / 27 9951-1441 63,000 .173 / 17 9951-1731
5,000 36,800 .120 / 31 9951-1201 45,600 .140 / 28 9951-1401 48,800 .144 / 27 9951-1441 60,000 .169 / 18 9951-1691
6,000 34,960 .120 / 31 9951-1201 43,320 .140 / 28 9951-1401 46,360 .144 / 27 9951-1441 57,000 .166 / 19 9951-1661
7,000 33,120 .116 / 32 9951-1161 41,040 .136 / 29 9951-1361 43,920 .140 / 28 9951-1401 54,000 .161 / 20 9951-1611
8,000 31,280 .116 / 32 9951-1161 38,760 .136 / 29 9951-1361 41,480 .136 / 29 9951-1361 51,000 .161 / 20 9951-1611
9,000 29,440 .113 / 33 9951-1131 36,480 .128 / 30 9951-1281 39,040 .136 / 29 9951-1361 48,000 .157 / 22 9951-1571
10,000 27,600 .110 / 35 9951-1101 34,200 .128 / 30 9951-1281 36,600 .128 / 30 9951-1281 45,000 .152 / 24 9951-1521
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.