Specifications
3-23
JOHNSON CONTROLS
FORM 102.20-N1 (1109)
3
CFM TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP “
WC
DF-
15
DF-
20
DF-
25
91 -- -- 0.17
68 91 -- 0.29
55 73 91 0.46
46 61 76 0.65
40 52 65 0.89
35 46 57 1.17
31 41 51 1.47
26 35 44 2
DF-
30
DF-
35
DF-
40
95 -- -- 0.22
82 91 -- 0.31
71 79 95 0.41
63 70 85 0.54
57 63 76 0.66
52 57 69 0.84
47 53 63 1
43 47 58 1.2
40 46 54 1.45
32.9 38.4 43.9 2
DF-
45
DF-
50
88 -- 0.39
80 90 0.47
72 82 0.55
66 75 0.65
61 69 0.75
57 64 0.86
53 60 0.98
50 56 1.1
47 53 1.23
46 50 1.38
38.8 43.2 2
TABLE 3-4 – BURNER TEPERATURE RISE
CFM TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP “
WC
DF-
60
DF-
75
91 -- 0.44
84 -- 0.52
78 -- 0.6
73 91 0.68
68 85 0.78
61 76 0.98
55 68 1.2
50 62 1.4
46 57 1.7
43 53.8 2
DF-
85
DF-
100
91 -- 0.47
86 -- 0.52
81 -- 0.58
77 91 0.64
74 87 0.7
70 83 0.76
64 76 0.9
59 70 1.05
55 65 1.25
51 61 1.4
49 57 1.6
46 54 1.75
44 52 2










