Greenheck Fan SQ - Manual (Page 12)

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Performance certified is for installation type B: Free inlet, Ducted outlet. Performance ratings do not include the effects of appurtenances (accessories).
The sound ratings shown are loudness values in fan sones at 1.5 m (5 feet) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation
type B: free inlet hemispherical fan sone levels.
0 100 200 300 400 500 600
0
10
20
30
40
50
60
70
80
90
100
110
0 50 100 150 200 250 300 350 400
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
Static Pr
essur
e in. wg
cfm
m 3 /hr
Static Pr
essur
e Pa
SQ-75-D
SQ-75-G
SQ-75-E
SQ-70-E
SQ-70-G
SQ-70-D
RPM
Density 0.075 lb/ft 3
Damper size = 9 x 9 (229 x 229)
Unit weight** = 26 (12)
Housing thickness = 20 ga
Outlet velocity = 1.828 x cfm
Dimensions shown in inches (millimeters) and weight is
shown in pounds (kilograms).
*May be greater depending on motor.
**Weight shown is largest cataloged Open Drip Proof motor.
SQ 70-75 - Direct Drive
Model Number
Motor
HP
Fan
RPM
CFM / Static Pressure in Inches wg
0 0.1 0.125 0.15 0.2 0.25 0.3 0.35 0.375 0.4
SQ-70-E 1/100 1050
CFM 212 140 118 86
BHP 0.008 0.009 0.009 0.009
Sones 2.7 1.7 1.5 1.5
SQ-70-G 1/50 1300
CFM 262 204 190 176 139 77
BHP 0.015 0.018 0.018 0.018 0.017 0.015
Sones 4.1 3.4 3.3 3.1 2.9 2.5
SQ-70-D 1/30 1550
CFM 313 265 252 240 216 189 155 99 67
BHP 0.026 0.029 0.03 0.03 0.03 0.03 0.029 0.026 0.025
Sones 5.6 5.2 5.1 5.1 4.9 4.7 4.5 4.2 4.0
SQ-75-E 1/100 1050
CFM 241 167 146 123
BHP 0.01 0.011 0.011 0.01
Sones 3.6 2.9 2.8 2.6
SQ-75-G 1/50 1300
CFM 298 239 224 209 176 133
BHP 0.019 0.021 0.021 0.021 0.02 0.019
Sones 4.1 3.7 3.7 3.7 3.6 3.5
SQ-75-D 1/30 1550
CFM 356 306 294 281 256 229 201 164 137 99
BHP 0.032 0.034 0.035 0.035 0.035 0.035 0.034 0.033 0.032 0.029
Sones 6.1 5.5 5.4 5.3 5.1 4.9 4.9 4.8 4.8 4.8
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*8 7 ⁄
8
(225)
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