Specifications
JOHNSON CONTROLS
3-24
FORM 102.20-N1 (1109)
Startup
CFM TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP “
WC
DF-
125
DF-
150
89 -- 0.48
83 -- 0.56
77 93 0.65
72 87 0.73
68 82 0.82
64 77 0.92
61 73 1.03
58 69 1.13
55 66 1.25
52 63 1.35
50 60 1.5
48 58 1.3
46 55 1.75
43.6 52 2
DF-
175
DF-
200
95 -- 0.45
90 -- 0.52
85 -- 0.57
81 93 0.63
77 88 0.7
74 85 0.76
71 81 0.82
68 78 0.9
62 71 1.05
58 66 1.25
54 62 1.4
51 58 1.6
48 54 1.8
45.5 52 2
TABLE 3-4 - BURNER TEPERATURE RISE (CONT)
CFM TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP “
WC
DF-
225
DF-
250
DF-
275
DF-
300
87 -- -- -- 0.337
77 86 92.5 -- 0.427
69 77 83.3 90.8 0.527
63 70 75.8 82.5 0.637
58 64 69.5 75.7 0.758
53 59 64 70 0.89
50 55 59.5 65 1.035
46 51 55.6 60.6 1.185
43 48 52.1 55.8 1.35
41 45 50 53.5 1.525
39 43 47 50.5 1.71
35 39.5 43.5 47.5 2
DF-
325
DF-
350
DF-
375
DF-
400
95 -- -- -- 0.4
85 92 -- -- 0.5
72 78 83 89 0.7
64 68 73 78 0.9
57 62 66 71 1.1
55 59 64 68 1.2
51 55 59 63 1.4
48 51 55 59 1.6
45 48 52 55 1.8
42.6 45.9 49.2 52.4 2










