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FAN
UNIT
WHEEL
SIZES
50W
61W
AF 331
51T
58T
61W
AF 361
58T
72W,85W,96W (THF)
72W,85W,96W (BHF)
AF 36
72W,85W,96W (DB)
72W,85W,96W (UB)
85W,96W,110W (THF)
85W,96W,110W (BHF)
AF 40
85W,96W,110W (DB)
85W,96W,110W (UB)
110W (THF, BHF)
AF 44
110W (DB, UB)
LEGEND
BHF
— Bottom Horizontal Front
DB
— Downblast
THF
— Top Horizontal Front
UB
— Upblast
—
— Not Available
FAN
39M
WHEEL
UNIT SIZES
03W,06W (THF, BHF, UB)
A9-4A
03W,06W (DB)
06W
08W
A10-8A
07T, 09T (THF, BHF)
07T, 09T (DB, UB)
A12-11A
12W
08W
10W
A12-12A
12W
07T, 09T (THF, BHF)
07T, 09T (DB, UB)
10W
12W
14W
17W
21W
A15-15A
11T, 12T (THF, BHF)
11T, 12T (DB, UB)
16T (THF, BHF)
16T (DB, UB)
18T, 22T (THF, BHF)
18T, 22T (DB, UB)
14W
17W
A18-18A
21W, 25W
16T, 18T (THF, BHF)
16T, 18T (DB, UB)
Table 27 — Airfoil Fan Dimensions (in.) (cont)
ALL
Length
Width
59.5
108.5
65.5
108.5
95.3
64.9
97.3
64.9
65.5
108.5
99.6
72.0
63.2
86.6
63.2
86.6
68.9
87.9
64.9
86.6
68.4
98.0
68.4
98.0
75.8
99.7
71.3
98.0
67.3
105.2
81.7
105.2
Table 28 — Forward Curve Fan Dimensions (in.)
ALL
Length
Width
17.5
26.4
17.5
28.4
23.5
39.0
28.5
47.0
33.7
23.7
36.5
23.7
34.5
60.0
28.5
47.0
28.5
60.0
28.5
60.0
36.5
28.8
39.5
28.8
28.5
60.0
34.5
60.0
40.5
65.0
40.5
72.0
40.5
72.0
39.8
31.4
43.4
31.4
42.3
31.5
45.9
31.5
42.3
31.5
45.9
31.5
40.5
65.0
40.5
72.0
40.5
72.0
44.1
34.7
48.3
34.7
FAN SLED ASSEMBLY
THF
BHF
Height
Height
71.7
72.2
71.7
72.2
72.8
73.3
72.8
73.3
78.7
79.5
79.3
80.7
71.3
70.8
71.3
70.8
71.3
70.8
71.3
70.8
78.7
—
78.1
—
—
89.2
89.2
—
*Width equals shaft end to shaft end.
NOTE: Different fan discharge positions have different dimensions. The
values shown are for the largest overall dimensions.
FAN SLED ASSEMBLY
THF
Height
Height
23.5
—
26.6
24.6
26.2
26.2
28.8
27.6
26.5
26.5
29.2
29.2
30.4
32.7
32.7
32.7
32.7
33.1
33.1
33.1
33.1
33.1
33.1
36.8
37.6
37.6
38.0
38.0
114
DB
Height
—
64.4
69.9
69.9
—
76.2
57.3
57.3
57.3
57.3
—
—
—
—
62.5
—
—
—
—
77.1
BHF
DB
Height
23.5
—
—
22.0
23.7
26.6
21.7
28.2
23.4
28.2
23.4
30.9
25.8
29.6
24.6
28.0
23.5
28.0
23.5
31.2
26.2
31.2
26.2
31.9
26.8
34.7
29.1
32.7
29.1
34.7
29.1
34.7
29.1
35.1
29.5
35.1
29.5
35.1
29.5
35.1
29.5
35.1
29.5
35.1
29.5
38.8
32.6
39.6
33.4
39.6
33.4
40.0
33.8
40.0
33.8
UB
Height
78.6
93.6
68.8
68.8
93.6
76.8
62.5
62.5
62.5
62.5
—
—
—
68.7
—
77.2
UB
Height
28.6
—
28.6
31.6
24.4
24.4
38.6
31.6
31.6
38.6
27.3
27.3
31.6
38.6
38.6
41.6
51.6
30.5
30.5
30.5
30.5
30.5
30.5
38.6
41.6
51.6
34.8
34.8
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