Specification Sheet

289
*Weight is fan only (without accessories, motors, bases, drives, etc.)
ELEVATED TEMPERATURE DERATE
When elevated temperatures are encountered, maximum RPMs shown above must be derated according to the
following table.
CM
Model
Wheel
Diameter
(in.)
Wheel
Weight
(lbs.)
WR
2
(lbs-ft
2
)
Max. Wheel
RPM
Max. Motor
Frame Size
Fan Weight*
(lbs.)
10 10-1/16 4 0.600 3850 145T 62
12 12-11/16 11 1.90 3200 184T 89
14 14-7/8 13 3.56 2800 184T 102
16 16 18 5.22 2500 184T 119
18 17-15/16 24 9.73 2200 213T 160
20 20-3/16 31 16.85 1950 213T 188
22 22-7/16 42 26.10 1800 215T 269
24 25-3/16 59 41.77 1500 215T 340
27 28-1/4 84 78.31 1350 254T 549
30 31-7/8 108 132.18 1200 256T 739
36 35-5/8 140 200 1050 284T 959
Temperature
(
O
F)
Standard
Steel
70 1.00
Standard Temperature Range200 0.98
300 0.96
400 0.95
High Temperature Range500 0.90
600 0.86
ROTATION AND DISCHARGE
The direction of rotation is determined from the drive side of the fan. The direction of discharge is determined in accor-
dance with the diagrams below. The angle of discharge is referred to the horizontal axis of fan and designated in degrees
above or below such standard reference axis. Not all positions are available for all sizes, see chart below.
PHYSICAL DATA
MODEL CM
BELT DRIVEN UTILITY VENT SET
Dimensiones en mm.
Dimensiones en pulg.
DIMENSIONES
Modelos del 1120 al 1400
Clase I
ØH int.
ØM
A
B int.
E
F
G
I
J
K
L
N
N
C
D
MODELO A B C D E F G ØH I J K L ØM N
CM 1120 2237 1420 1719 1038 1555 709 744 1120 702 702 1313 1380 13.4 50
CM 1250 2631 1519 1931 1285 1729 824 803 1250 802 802 1443 1510 13.4 50
CM 1400 2937 1787 2157 1422 1896 860 934 1400 885 885 1743 1810 13.4 50
MODELO
A B C D E F G ØH I J K L ØM N
CM 1120 88 1/16 55 7/8 67 11/16 40 7/8 61 1/4 27 15/16 29 5/16 44 1/8 27 5/8 27 5/8 51 11/16 54 5/16 19/36 2
CM 1250 103 9/16 59 13/16 76 50 5/8 68 1/16 32 7/16 31 5/8 49 3/16 31 9/16 31 9/16 56 13/16 59 7/16 19/36 2
CM 1400 115 5/8 70 3/8 84 15/16 56 74 5/8 33 7/8 36 3/4 55 1/8 34 13/16 34 13/16 68 5/8 71 1/4 19/36 2
CW 135º
[TAD]
CW 315º
[BAU]
CW 90º
[TH]
CW 270º
[BH]
CW 45º
[TAU]
CW 225º
[BAD]
CW 0º
[UB]
CW 180º
[DB]
CCW 135º
[TAD]
CCW 315º
[BAU]
CCW 90º
[TH]
CCW 270º
[BH]
CCW 45º
[TAU]
CCW 225º
[BAD]
CCW 0º
[UB]
CCW 180º
[DB]
Opciones de rotación y descarga
UB TAU TH TAD DB BAD BH BAU CW CCW
CM 250-630
CM 710-1000
CM 1120-1400
CMA 315-630
GIRO
OPCIONES DE ROTACIÓN
MODEL TS
*Consultar en fabrica para opciones de rotación distintas a las indicadas.
38
SIZE OPTIONS OF ROTATIONS TURN
UB TAU TH TAD DB BAD BH BAU CW CCW
10-24 • • • • • • • • • •
27-36 • • • • •