Specification Sheet

14
MODEL CWD
Direct Drive
Centrifugal Sidewall Exhauster
Ventilator with Open
Drip-proof Motor
Model
CWD
Motor
Hp
Max.
BHp
RPM
Sones @
1/8 SP
CFM at Static Pressure
115/1/60
208-230/1/60
0 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1 Stock No. Stock No.
7
1/25 0.04 1550 5.9 254 220 179 127 66 - - - -
CWD07HH1AS N/A
8
1/15 0.07 1550 11.4 524 463 390 320 249 186 132 - -
CWD08IH1AS N/A
9
1/4 0.12 1140 6.4 898 755 564 390 221 - - - -
CWD09MM1AS CWD09MM1CS
1/4 0.26 1550 11.4 1221 1126 1009 894 771 645 545 - -
CWD09MH1AS CWD09MH1CS
10
1/3 0.33 1575 15.4 1453 1355 1252 1118 921 785 663 548 433
CWD10PH1AS CWD10PH1CS
12
1/4 0.26 1100 10.6 1583 1393 1195 995 813 618 410 193 -
CWD12MM1AS CWD12MM1CS
14
1/2 0.50 1080 15.7 2585 2454 2281 2040 1722 1433 1170 906 670
CWD14QM1AS CWD14QM1CS
Speed (RPM) shown is nominal. Performance is based on actual speed of test.
Performance certified is for installation type A-free inlet, free outlet.
Performance ratings include the effects of birdscreeen in the airstream.
The sound ratings shown are the loudness values in the fan sones @ 5’ (1.5m) in an hemispherical free field calculated per AMCA Standard 301.
Values shown are for Installation Type A-Free inlet fan sone levels.
Performance Data at Reduced Speed
Model
CWD
Motor
Hp
Max.
BHp
RPM
Sones @
1/8 SP
CFM at Static Pressure
0 1/8 1/4 3/8 1/2 5/8 3/4 7/8 1
7-1550
1/25
0.02 930 1.5 152 84 - - - - - - -
0.02 1230 3.4 202 156 93 - - - - - -
8-1550
1/15
0.02 930 3.5 320 209 98 - - - - - -
0.05 1225 6.4 421 339 251 167 - - - - -
9-1075
1/4
0.03 685 1.9 540 258 - - - - - - -
0.08 940 4.3 741 554 330 - - - - - -
9-1625
1/4 0.09 1030 5.6 811 651 467 313 - - - - -
10-1625
1/3 0.10 1030 7.2 950 794 540 357 173 - - - -
12-1075
1/4
0.07 685 3.6 986 670 365 - - - - - -
0.15 900 7.0 1296 1058 816 589 340 - - - -
14-1140 1/2
0.14 685 6.7 1640 1382 913 498 - - - - -
0.30 900 11.0 2154 1987 1730 1346 1028 711 390 - -
Model in reduced speed table indicates size and motor RPM of base unit.
Performance is for that base unit operated at a reduced speed using the solid state speed control accessory.
AMCA Seal for sound rating does not apply to units with speed control.
Use 5 AMP Speed Control for motors 1/3 HP and smaller.
Use 10 AMP Speed Control for motors 1/2.
CENTRIFUGAL ROOF & WALL EXHAUSTERS