Centrifugal Fan Class IV - Greenheck Fan Corporation - Building ...

The model number codes on this page are a complete guide to ordering or specifiing Greenheck Class IV centifugal fan models.
Belt Drive (BISW) Model Number Code
Fan Size
18 - 73
Backward Inclined
wheel, Single Width,
belt drive
Series 41 Construction
36 - BISW - 41 - 1 - CW - TH - IV - A 500
Arrangement
1
Rotation
cw, ccw
Direct Drive (BISWD) Model Number Code
Fan Size
Arr. 4 30 - 49
Arr. 8 30 - 73
Backward Inclined
wheel, Single Width,
Direct drive
Series 41 Construction
36 - BISWD - 41 - 4 - CW - TH - IV - 80P - A 500
Arrangement
4, 8
Rotation
cw, ccw
Fan Class
IV
GREENHECK
P.O. BOX 410 SCHOFIELD, WISCONSIN 54476-0410
PH. 715-359-6171
®
Motor Horsepower
400 = 40 750 = 75
500 = 50 1000 = 100
600 = 60 1250 = 125
Motor RPM
M = 3500 C = 870
A = 1770 F = 690
B = 1170
Discharge Position
TH = Top Horizontal TAU = Top Angular Up
BH = Bottom Horizontal BAU = Bottom Angular Up
UB = Up Blast TAD = Top Angular Down
DB = Down Blast BAD = Bottom Angular Down
Fan Class
IV
Discharge Position
TH = Top Horizontal TAU = Top Angular Up
BH = Bottom Horizontal BAU = Bottom Angular Up
UB = Up Blast TAD = Top Angular Down
DB = Down Blast BAD = Bottom Angular Down
Motor Horsepower
400 = 40 750 = 75
500 = 50 1000 = 100
600 = 60 1250 = 125
Motor RPM
A = 1770 C = 870
B = 1170
Percentage Wheel Width
100 = 100% 70P = 70%
90P = 90% 60P = 60%
80P = 80% 50P = 50%
Cent. Fan Class IV PM (Series 41) R
July 1998