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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 International Standard 301. Values shown are
for installation type B: free inlet hemispherical sone levels.
1
(25)
0 500 1000 1500 2000 2500 3000
0
50
100
150
200
250
300
350
400
0 500 1000 1500 2000
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
1725
1140
860
Static Pressure (in. wg)
Volume (cfm)
Volume (m
3
/hr)
Static Pressure (Pa)
RPM (Direct)
RPM (Vari Green)
Density 0.075 lb/ft
Density 1.2 kg/m
3
3
D
O
N
O
T
S
E
L
E
C
T
T
O
T
H
E
L
E
F
T
O
F
T
H
I
S
S
Y
S
T
E
M
C
U
R
V
E
SQ 120 - Direct Drive
Motor HP
Fan RPM
CFM / Static Pressure in Inches wg
Direct 0.000 0.125 0.250 0.375 0.500 0.625 0.750 1.000 1.250 1.375
120
VG-1/2
C-1/8
860
CFM 971 843 704
BHP 0.05 0.06 0.06
Sones 4.4 4.1 3.3
B-1/6
1140
CFM 1287 1190 1095 992 873 693
BHP 0.12 0.12 0.13 0.14 0.14 0.13
Sones 7.4 7.2 7.0 6.3 5.9 5.8
A-1/2
1725
CFM 1948 1884 1819 1754 1692 1629 1563 1417 1240 1128
BHP 0.41 0.42 0.42 0.44 0.45 0.46 0.46 0.48 0.48 0.47
Sones 14.7 14.1 13.8 13.6 13.5 13.4 13.2 12.6 11.9 11.7
Damper size = 16 x 16
(406 x 406)
Unit weight** = 67 (30)
Housing thickness = 18 ga
Outlet velocity = 0.571 x cfm
Dimensions shown in inches (millimeters) and weight is
shown in pounds (kilograms).
**Weight shown is largest cataloged Open Drip Proof motor.
21
(533)
19
(483)
15
7
⁄8
(403)
19
(483)