Filter options, Model selection procedure, Model sq model bsq – Greenheck Fan SQ User Manual
Page 8

8
Filter Options
The filter box is designed to provide a compact and convenient clean air solution.
Factory assembled as a single unit, this fan eliminates the costly process of
designing, fabricating, and installing special remote filter box assemblies. Both
the fan and filter section feature removable access panels on both sides to
remove and replace filters, making fan maintenance simple and fast.
Model
A
B
C
D
WT. Filter Size
Filter
Quantity
SQ-60 - 75
22
1
⁄
8
(562)
12
(305)
8
7
⁄
8
(225)
1
(25)
40
(18)
10 x 12
(254 x 305)
1
SQ-80 - 95
45
5
⁄
8
(1159)
15
(381)
11
7
⁄
8
(302)
1
(25)
74
(34)
14 x 25
(356 x 635)
1
SQ-100
47
1
⁄
4
(1200)
17
(432)
13
7
⁄
8
(352)
1
(25)
88
(40)
16 x 20
(406 x 508)
2
SQ-120
52
3
⁄
16
(1326)
19
(483)
15
7
⁄
8
(403)
1
(25)
114
(52)
16 x 25
(406 x 635)
2
SQ-130
46
3
⁄
8
(1178)
21
(533)
17
7
⁄
8
(454)
1
(25)
120
(54)
20 x 20
(508 x 508)
2
SQ-140
52
3
⁄
8
(1330)
23
(584)
19
7
⁄
8
(505)
1
(25)
174
(79)
20 x 25
(508 x 635)
2
SQ-160
51
3
⁄
8
(1305)
26
(660)
22
7
⁄
8
(581)
1
(25)
246
(112)
20 x 20
(508 x 508)
4
BSQ-70 - 80 - 90 50
5
⁄
8
(1286)
15
(381)
11
7
⁄
8
(302)
1
(25)
117
(53)
14 x 25
(356 x 635)
1
BSQ-100
47
1
⁄
4
(1200)
17
(432)
13
7
⁄
8
(352)
1
(25)
120
(54)
16 x 20
(406 x 508)
2
BSQ-120
52
3
⁄
16
(1326)
19
(483)
15
7
⁄
8
(403)
1
(25)
144
(79)
16 x 25
(406 x 635)
2
BSQ-130 - 130HP 46
3
⁄
8
(1178)
21
(533)
17
7
⁄
8
(454)
1
(25)
140
(64)
20 x 20
(508 x 508)
2
BSQ-140 - 140HP 52
3
⁄
8
(1330)
23
(584)
19
7
⁄
8
(505)
1
(25)
181
(82)
20 x 25
(508 x 635)
2
BSQ-160 - 160HP 51
3
⁄
8
(1305)
26
(660)
22
7
⁄
8
(581)
1
(25)
294
(133)
20 x 20
(508 x 508)
4
BSQ-180 - 180HP 55
1
⁄
16
(1399)
28
(711)
23
7
⁄
8
(606)
1
1
⁄
2
(38)
344
(156)
20 x 25
(508 x 635)
4
BSQ-200 - 200HP 66
11
⁄
16
(1694)
32
(813)
27
7
⁄
8
(708)
1
1
⁄
2
(38)
441
(200)
12 x 25
(305 x 635)
3
16 x 25
(406 x 635)
3
BSQ-240 - 240HP 68
7
⁄
8
(1749)
39
(991)
34
7
⁄
8
(886)
1
1
⁄
2
(38)
573
(260)
20 x 25
(508 x 635)
4
16 x 25
(406 x 635)
4
BSQ-300 - 300HP 72
1
⁄
8
(1832)
46
(1168)
41
7
⁄
8
(1064)
1
1
⁄
2
(38)
759
(344)
20 x 25
(508 x 635)
8
BSQ-360 - 360HP 79
1
⁄
4
(2013)
52
(1321)
47
7
⁄
8
(1216)
1
1
⁄
2
(38)
957
(434)
16 x 25
(406 x 635)
10
20 x 25
(508 x 635)
5
BSQ-420
93
1
⁄
8
(2365)
58
(1473)
53
7
⁄
8
(1368)
1
1
⁄
2
(38)
1185
(538)
16 x 25
(406 x 635)
5
20 x 25
(508 x 635)
10
Note: 24-inch side clearance is recommended for accessing and removing filters.
All dimensions in inches (millimeters) and weight (WT.) in pounds (kilograms).
Model Selection Procedure
1. Calculate system pressure drop and CFM
requirements (not including filters).
2. Make a preliminary model size selection.
3. Calculate a filter pressure drop for the
preliminary model size selected in step 2 using
the equation:
P = Fx (
10,000
)
2
4. Add the filter pressure drop (P) to the system
pressure drop and make a revised model
size selection. Use the charts on the left to
determine filter factor (F).
cfm
Model Size
1 in.
Aluminum
Filter
Factor (F)
1 in.
Paper
Filters
2 in.
Aluminum
Filters
2 in.
Paper
Filters
SQ
BSQ
60-65-70-75
—
186
318.06
251.1
303.18
80-85-90-95 70-80-90
21.8
37.278
29.43
35.534
100
100
8.72
14.9112 11.772 14.2136
120
120
5.58
9.5418
7.533
9.0954
130
130
5.58
9.5418
7.533
9.0954
140
140
3.57
6.1047
4.8195
5.8191
160
160
2.09
3.5739
2.8215
3.4067
—
180
1.34
2.2914
1.809
2.1842
—
200
0.77
1.3167
1.0395
1.2551
—
240
0.41
0.7011
0.5535
0.6683
—
300
0.33
0.5643
0.4455
0.5379
—
360
0.15
0.2565
0.2025
0.2445
—
420
0.13
0.2223
0.1755
0.2119
Model SQ
Model BSQ
B
A
B
C
C
A
C
D
C
D
Optional cover varies
with motor size.
Recommend 24 in.
clearance.
D
D
B
A
B
C
C
A
C
D
C
D
Optional cover varies
with motor size.
Recommend 24 in.
clearance.
D
D