508 01 1603 01
Specifications subject to change without notice.
39
* Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting.
* Values for 3-phase motor shown. For single-phase motor, pulley pitch diameter is 178 mm and resulting fan speed is 14.0-18.3 r/s.
† It is possible to adjust drive so that fan speed exceeds maximum allowable. DO NOT exceed 20 r/s.
** 575-v unit has a center distance of 233-279.
Table 37 — Standard Drive Data, 60 Hz (SI)
UNIT
FAS072
FHS072
FAS091
FHS091
FAS120
FHS120
FAS150
FAS180
FHS180
FAS240
FHS240
FAS300
FAS336
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
61.0-86.4
71.1-96.5
86.4-111.8
71.1-96.5
71.1-96.5
94.0-119.4
109.2-134.6
109.2-134.6
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
224
224
224
229
229
239
279
279
Pulley Bore (mm)
25.4
25.4
25.4
36.5
36.5
36.5
49.2
49.2
Belt No. — Section
1—A
1—A
1—A
1—A
1—A
2—B
2—B*
2—B*
Belt Pitch (mm)
1024
1049
1074
1074
1074
1062
(2) 1987
(2) 1113
(2) 1987
(2) 1113
FAN SPEEDS (r/s)
Factory Setting
9.5
10.8
12.7
10.5
10.5
12.9
12.5
12.5
Range
7.8-11.1
9.2-12.4
11.1-14.4
9.0-12.1
9.0-12.1
11.3-14.4
11.4-14.0
11.2-13.9
Max Allowable Speed (r/s)
20.0
20.0
20.0
20.0
20.0
20.0
18.3
18.3
Change per
1
/
2
Turn of
Moveable Motor Pulley Flange
0.327
0.327
0.328
0.318
0.318
0.255
0.218
0.218
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
5
6
6
6
SHAFTS CENTER DISTANCE (mm)
265-313
265-313
265-313
265-313
265-313
232-279
169-240
169-240
Table 38 — High-Static Drive Data, 60 Hz (SI)
UNIT
FAS072
FHS072
FAS091
FHS091
FAS120
FHS120
FAS150
FAS180
FHS180
FAS240
FHS240
FAS300
FAS336
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
86.4-111.8 86.4-111.8 86.4-111.8 94.0-119.4 109.2-134.6 109.2-134.6 109.2-134.6 109.2-134.6
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
3.0
3.0
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
178
152*
152
188
201
188
203†
203
Pulley Bore (mm)
25.4
25.4
25.4
36.5
36.5
36.5
49.2
49.2
Belt No. — Section
1—A
1—A
1—A
1—B
1—B
2—B
2—B
2—B
Belt Pitch (mm)
1049
947
947
1011
1011
935
935
960
FAN SPEEDS (r/s)
Factory Setting
16.0
18.7
18.7
16.3
17.7
18.6
17.1
17.1
Range
14.0-18.1
16.3-20.0*† 16.3-20.0†
14.4-18.3
15.8-19.5
16.9-20.0†
14.6-17.9
14.6-17.9
Max Allowable Speed (r/s)
20.0
20.0
20.0
20.0
20.0
20.0
18.3
18.3
Change per
1
/
2
Turn of
Moveable Motor Pulley Flange
0.410
0.478
0.478
0.323
0.307
0.323
0.278
0.278
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
6
6
6
6
6
SHAFTS CENTER DISTANCE (mm)
265-313
265-313
265-313
265-313**
232-279
207-255
169-240
169-240
