24
Page Header
Model Number Code
Direct Drive Number Code
The model number system is designed to completely identify the fan. The correct code letters must be
specified to designate direct drive with exhaust, supply, or reversible air configuration. The remainder of the
model number is determined by the size and performance selected from pages 23 and 25 through 28.
Belt Drive Number Code
SB E - 2 L 24 - 7
Model Sidewall Belt Drive
SB - Fabricated Propeller
SBC - Cast Propeller
(Level 3 only)
E - Exhaust
S - Supply
R - Reversible
Level of
Construction
1, 2, 3
Motor HP
4 =
1
⁄
4
15 = 1
1
⁄
2
75 = 7
1
⁄
2
3 =
1
⁄
3
20 = 2
100 = 10
5 =
1
⁄
2
30 = 3
150 = 15
7 =
3
⁄
4
50 = 5
200 = 20
10 = 1
Fan Size
Propeller Type
L - Low
H - High
S E 2 - 24 - 6 20 - B VG/7
Motor HP
4 =
1
⁄
4
10 = 1
30 = 3
3 =
1
⁄
3
15 = 1
1
⁄
2
50 = 5
5 =
1
⁄
2
20 = 2
75 = 7
1
⁄
2
7 =
3
⁄
4
Motor RPM (60Hz)
A = 1750
F = 690
B = 1160
G = 1300
C = 860
J = 1440
D = 1550
L = 1290
E = 1050
P = 1650
Blade Pitch
Model Sidewall Roof Propeller
S - Fabricated Prop
SC - Cast Prop
(Level 3 only)
E - Exhaust
S - Supply
R - Reversible
Level of
Construction
1, 2, 3
Fan Size
Number of Blades
VG = Vari-Green
(Direct Drive Only)
The model number system is designed to completely identify the fan. The correct code letters must be
specified to designate belt drive with exhaust, supply, or reversible air configuration. The remainder of the
model number is determined by the size and performance selected from pages 29 through 41.
