Sq 120 - Direct Drive - Greenheck SQ Brochure & Specs

SQ 120 - Direct Drive

1
(25)
*15 ⁄
7
8
(403)
19
(483)
Damper size = 16 x 16
(406 x 406)
Unit weight** = 67
(30)
Housing thickness = 20 ga
Outlet velocity = 0.571 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.
Model Number
SQ-120-C
SQ-120-B
SQ-120-A
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.
16
19
(483)
21
(533)
Motor Fan
HP RPM
0
CFM 971
BHP 0.051
1/8 860
Sones 4.4
CFM 1287
BHP 0.12
1/6 1140
Sones 7.4
CFM 1948
BHP 0.41
1/2 1725
Sones 14.7
1.8
400 1.6
350 1.4
300 1.2
250 1.0
200 0.8
150
0.6
100 0.4
50
0.2
0 0.0
0 400
0 500 1000
CFM / Static Pressure in Inches wg
0.125 0.25 0.375 0.5
843 704
0.055 0.059
4.1 3.3
1189 1094 992 873
0.12 0.13 0.14 0.14
7.2 7.0 6.3 5.9
1883 1818 1754 1692
0.42 0.42 0.44 0.45
14.1 13.8 13.6 13.5
RPM
Density 0.075 lb/ft
800 1200 1600
cfm
1500 2000 2500 3000
3
m /hr
0.625 0.75 1 1.25
692
0.13
5.8
1628 1562 1416 1239
0.46 0.46 0.48 0.48
13.4 13.2 12.6 11.9
3
2000
1.375
1128
0.47
11.7