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Mounting: SQ /BSQ
All SQ and BSQ fan models can be mounted
horizontally, vertically or at an angle. For ease of
installation, knockouts are provided at each location
where mounting brackets are shown in Figures 5, 6
and 7. Optional brackets are universally adjustable to
mount in any of these locations.
A
C
C
A
Figure 5
Horizontal Hanging or Base Mount
With either a hanging or base mount the motor may
be located on either side. The base mount allows top
access panels only.
Hanging rails
by others
A
G
B
B
A
Mounting Dimensional Data
Model
A
SQ 60-75
10
⁄
5
(270)
8
SQ 80-95
13
⁄
1
(337)
4
BSQ 70-90
18
⁄
5
(473)
8
SQ-BSQ 100
18
⁄
5
(473)
8
Hanging rails
SQ-BSQ 120
18
⁄
5
(473)
by others
8
D
SQ-BSQ 130
G
18
⁄
5
(473)
8
B
SQ-BSQ 140
19
⁄
5
(498)
8
SQ-BSQ 160
23
⁄
1
(597)
2
BSQ 180
25
⁄
1
(648)
2
BSQ 200
29
⁄
1
(740)
8
BSQ 240
31
⁄
5
(803)
8
BSQ 300
35
(889)
BSQ 360
38
⁄
3
(974)
4
BSQ 420
47
⁄
1
(1197)
8
All dimensions in inches (millimeters).
B
D
4
Centrifugal Inline Exhaust Fans
C
A
E
F
A
F
E
C
G
E
A
B
F
A
F
E
B
B
C
17
15
⁄
(432)
3
(400)
4
20
18
⁄
(508)
3
(476)
D
4
G
20
⁄
18
⁄
1
(511)
3
(476)
8
4
B
22
⁄
20
⁄
1
(562)
3
(527)
8
4
24
22
⁄
(610)
3
(578)
4
26
⁄
24
⁄
1
(664)
3
(629)
8
4
28
⁄
26
⁄
1
(714)
3
(679)
8
4
31
29
⁄
(787)
3
(756)
4
33
⁄
29
⁄
1
(851)
9
(751)
2
16
37
33
⁄
(940)
3
(857)
4
44
⁄
40
⁄
1
(1124)
3
(1035)
4
4
51
47
⁄
(1295)
3
(1213)
4
57
⁄
53
⁄
1
(1454)
1
(1359)
4
2
63
59
⁄
(1600)
7
(1521)
8
B
D
Hanging rails
by others
A
Hanging rails
G
by others
B
A
G
B
B
A
B
A
Figure 6
Horizontal Hanging or Base Mount
With a hanging mount, the motor may be located
on either top or bottom. The base mount allows top
motor location only. Both options provide access
panels on two sides.
Hanging rails
by others
D
G
Hanging rails
B
by others
D
G
B
B
D
B
D
Figure 7
Vertical Hanging or Base Mount
Mounting brackets are turned 90° for vertical
mounting. Access panels are located on the two sides
adjacent to the motor.
D
E
8
⁄
19
⁄
7
(225)
3
(502)
8
4
11
⁄
43
7
(302)
(1092)
8
11
⁄
48
⁄
7
(302)
5
(1227)
8
16
13
⁄
44
⁄
7
(352)
7
(1140)
8
8
16
49
⁄
(406)
3
(1254)
8
17
⁄
44
7
(454)
(1118)
8
19
⁄
50
⁄
7
(505)
1
(1272)
8
16
22
⁄
49
⁄
7
(581)
5
(1260)
8
8
22
⁄
52
⁄
3
(578)
9
(1335)
4
16
26
⁄
64
⁄
3
(679)
3
(1630)
4
16
33
⁄
66
⁄
7
(860)
1
(1689)
8
2
40
⁄
69
⁄
7
(1038)
1
(1756)
8
8
46
⁄
76
3
(1187)
(1930)
4
59
⁄
90
⁄
7
(1521)
1
(2299)
8
2
C
G
E
A
B
G
E
A
F
B
F
A
A
F
E
B
F
E
B
D
G
B
D
G
B
B
D
B
D
F
G
7
(178)
27
⁄
3
(695)
8
Hanging rails
27
⁄
3
(695)
8
not included.
24
(610)
Supplied by
28
⁄
1
(714)
8
others.
23
(584)
28
(711)
23
⁄
5
(600)
8
24
⁄
1
(622)
2
Hanging rails
32
⁄
1
(819)
4
not included.
32
⁄
1
(816)
8
Supplied by
31
⁄
3
(797)
8
others.
34
⁄
11
(881)
16
40
⁄
1
(1029)
2
®
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