Krueger | 1401 N Plano Rd | Richardson, TX 75081 | 972.680.9136 | kruegerinfo@krueger-hvac.com | www.krueger-hvac.com
KAH Operation & Maintenance Guide
Page: 30 of 88
SECTION 2 - START-UP & OPERATION (CONTINUED)
CFM
TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP WC
DF-15
DF-20
DF-25
1,500
91
--
--
0.17
2,000
68
91
--
0.29
2,500
55
73
91
0.46
3,000
46
61
76
0.65
3,500
40
52
65
0.89
4,000
35
46
57
1.17
4,500
31
41
51
1.47
5,248
26
35
44
2
DF-30
DF-20
DF-25
3,000
95
--
--
0.22
3,500
82
91
--
0.31
4,000
71
79
95
0.41
4,500
63
70
85
0.54
5,000
57
63
76
0.66
5,500
52
57
69
0.84
6,000
47
53
63
1
6,500
43
47
58
1.2
7,000
40
46
54
1.45
8,440
32.9
38.4
43.9
2
DF-45
DF-50
4,500
88
--
0.39
5,000
80
90
0.47
5,500
72
82
0.55
6,000
66
75
0.65
6,500
61
69
0.75
7,000
57
64
0.86
7,500
53
60
0.98
8,000
50
56
1.1
8,500
47
53
1.23
9,000
46
50
1.38
10,725
38.8
43.2
2
DF-60
DF-75
6,000
91
--
0.44
6,500
84
--
0.52
7,000
78
--
0.6
7,500
73
91
0.68
8,000
68
85
0.78
9,000
61
76
0.98
10,000
55
68
1.2
11,000
50
62
1.4
12,000
46
57
1.7
12,900
43
53.8
2
CFM
TEMPERATURE RISE (°F)
INTERNAL
PRESSURE
DROP WC
DF-85
DF-100
8,500
91
--
0.47
9,000
86
--
0.52
9,500
81
--
0.58
10,000
77
91
0.64
10,500
74
87
0.7
11,000
70
83
0.76
12,000
64
76
0.9
13,000
59
70
1.05
14,000
55
65
1.25
15,000
51
61
1.4
16,000
49
57
1.6
17,000
46
54
1.75
17,825
44
52
2
DF-125
DF-150
13,000
89
--
0.48
14,000
83
--
0.56
15,000
77
93
0.65
16,000
72
87
0.73
17,000
68
82
0.82
18,000
64
77
0.92
19,000
61
73
1.03
20,000
58
69
1.13
21,000
55
66
1.25
22,000
52
63
1.35
23,000
50
60
1.5
24,000
48
58
1.3
25,000
46
55
1.75
26,315
43.6
52
2
TABLE 7 - BURNER TEMPERATURE RISE
TABLE 7 - BURNER TEMPERATURE RISE (CONT’D)
