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Table 9I — High-Static Drive Data, 60 Hz — SI
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMS
024
40RM
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter
(mm)
86.4-
111.8
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
2.5
3.0
3.0
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
178
152*
152
152
188
201
188
203
203
Pulley Bore (mm)
25.4
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—B
1—B
2—B
2—B
2—B
Belt Pitch (mm)
1049
947
947
947
1011
1011
935
935
960
FAN SPEEDS (r/s)
Factory Setting
16.0
18.7
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†
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
20.0
18.3
18.3
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange
0.410
0.478
0.478
0.478
0.323
0.307
0.323
0.278
0.278
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
6
6
6
6
6
SHAFTS CENTER DISTANCE
(mm)
265-313
265-313
265-313
265-313
265-313**
232-279
207-255
169-240
169-240
*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 9J — Standard Drive Data, 50 Hz — SI
UNIT
40RM
007
40RM
40RMQ
40RMS
008
40RMS
010
40RM
40RMQ
40RMS
012
40RM
40RMS
014
40RM
40RMQ
40RMS
016
40RM
40RMS
024
40RM
40RMS
028
40RM
40RMS
034
MOTOR DRIVE
Motor Pulley Pitch Diameter
(mm)
61.0-
86.4
71.1-
96.5
71.1-
96.5
86.4-
111.8
86.4-
111.8
86.4-
111.8
109.2-
134.6
109.2-
134.6
109.2-
134.6
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
2.5
2.5
2.5
3.0
3.0
3.0
FAN DRIVE
Pulley Pitch Dia (mm)
203
203
203
203
229
229
218
279
279
Pulley Bore (mm)
25.4
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
1—A
1—B
2—B
2—B
Belt Pitch (mm)
998
998
998
1024
1074
1074
1062
1113
1113
FAN SPEEDS (r/s)
Factory Setting
8.6
9.8
9.8
11.6
10.3
10.3
13.3
10.4
10.4
Range
7.1-
10.1
8.3-
11.3
8.3-
11.3
10.1-
13.1
9.0-
11.6
9.0-
11.6
11.9-
14.6
9.3-
11.5
9.3-
11.5
Max Allowable Speed (r/s)
20.0
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
0.297
0.297
0.297
0.297
0.265
0.265
0.230
0.180
0.180
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
5
5
6
6
6
SHAFTS CENTER DISTANCE
(mm)
265-313
265-313
265-313
265-313
265-313
265-313
232-279
169-240
169-240
32