FAS-FHS-072-180-01SI Rev. A
Specifications subject to change without notice.
31
* Values for 3-phase motor shown. For single-phase motor, pulley pitch
diameter is 7 in. and resulting fan speed is 837-1096 rpm.
† It is possible to adjust drive so that fan speed exceeds maximum
allowable. DO NOT exceed 1200 rpm.
** 575v unit has a center distance of 9.16-10.99.
Table 31 — Standard Drive Data, 60 Hz — English
UNIT
FAS/FHS
072
FAS/FHS
091
FAS/FHS
120
FAS
150
FAS/FHS
180
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
2.4-3.4
2.8-3.8
3.4-4.4
2.8-3.8
2.8-3.8
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
2.5
2.5
FAN DRIVE
Pulley Pitch Dia (in.)
8.8
8.8
8.8
9.0
9.0
Pulley Bore (in.)
1
1
1
1-7/16
1-7/16
Belt No. — Section
1—A
1—A
1—A
1—A
1—A
Belt Pitch (in.)
40.3
41.3
42.3
42.3
42.3
FAN SPEEDS (RPM)
Factory Setting
568
647
764
632
632
Range
470-666
549-745
666-863
537-728
537-728
Max Allowable Speed (rpm)
1200
1200
1200
1200
1200
Change per 1/2 Turn of
Moveable Motor Pulley
Flange
19.6
19.6
19.7
19.1
19.1
MAX FULL TURN FROM CLOSED
POSITION
5
5
5
5
5
SHAFTS CENTER DISTANCE (IN.)
10.44-12.32
10.44-12.32
10.44-12.32
10.44-12.32
10.44-12.32
Table 32 — High-Static Drive Data, 60 Hz — English
UNIT
FAS/FHS
072
FAS/FHS
091
FAS/FHS
120
FAS
150
FAS/FHS
180
MOTOR DRIVE
Motor Pulley Pitch Diameter (in.)
3.4-4.4
3.4-4.4
3.4-4.4
3.7-4.7
4.3-5.3
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (in.)
7.0
6.0*
6.0
7.4
7.9
Pulley Bore (in.)
1
1
1
1-7/16
1-7/16
Belt No. — Section
1—A
1—A
1—A
1—B
1—B
Belt Pitch (in.)
41.3
37.3
37.3
39.8
39.8
FAN SPEEDS (RPM)
Factory Setting
961
1121
1121
979
1060
Range
838-1084
978-1200*†
978-1200†
873-1096
950-1171
Max Allowable Speed (rpm)
1200
1200
1200
1200
1200
Change per 1/2 Turn of
Moveable Motor Pulley Flange
24.6
28.7
28.7
19.4
18.4
MAX FULL TURN FROM CLOSED
POSITION
5
5
5
6
6
SHAFTS CENTER DISTANCE (IN.)
10.44-12.32
10.44-12.32
10.44-12.32
10.44-12.32**
9.16-10.99