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Table 9C — High-Static Drive Data, 60 Hz — English
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
(in.)
3.4-4.4
3.4-4.4
3.4-4.4
3.4-4.4
3.7-4.7
4.3-5.3
4.3-5.3
4.3-5.3
4.3-5.3
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 (in.)
7.0
6.0*
6.0
6.0
7.4
7.9
7.4
8.6
8.6
Pulley Bore (in.)
1
1
1
1
1
7
⁄
16
1
7
⁄
16
1
7
⁄
16
1
15
⁄
16
1
15
⁄
16
Belt No. — Section
1—A
1—A
1—A
1—A
1—B
1—B
2—B
2—B
2—B
Belt Pitch (in.)
41.3
37.3
37.3
37.3
39.8
39.8
36.8
37.8
37.8
FAN SPEEDS (rpm)
Factory Setting
961
1121
1121
1121
979
1060
1118
1024
1024
Range
838-
1084
978-
1200*†
978-
1200†
978-
1200†
873-
1096
950-
1171
1014-
1200†
873-
1075
873-
1075
Max Allowable Speed (rpm)
1200
1200
1200
1200
1200
1200
1200
—
—
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange
24.6
28.7
28.7
28.7
19.4
18.4
19.4
16.7
16.7
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
6
6
6
6
6
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32**
9.16-
10.99
8.16-
10.02
6.67-
9.43
6.67-
9.43
*Valves 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.
**575-v unit has a center distance of 9.16-10.99.
Table 9D — Standard Drive Data, 50 Hz — English
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
(in.)
2.4-3.4
2.8-3.8
2.8-3.8
3.4-4.4
3.4-4.4
3.4-4.4
4.3-5.3
4.3-5.3
4.3-5.3
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 (in.)
8.0
8.0
8.0
8.0
9.0
9.0
8.6
11.0
11.0
Pulley Bore (in.)
1
1
1
1
1
7
⁄
16
1
7
⁄
16
1
7
⁄
16
1
15
⁄
16
1
15
⁄
16
Belt No. — Section
1—A
1—A
1—A
1—A
1—A
1—A
1—B
2—B
2—B
Belt Pitch (in.)
39.3
39.3
39.3
40.3
42.3
42.3
41.8
43.8
43.8
FAN SPEEDS (rpm)
Factory Setting
517
588
588
695
618
618
795
622
622
Range
428-606
499-677
449-677
606-784
538-697
538-697
713-878
557-687
557-687
Max Allowable Speed (rpm)
1200
1200
1200
1200
1200
1200
1200
1100
1100
Change per
1
⁄
2
Turn of
Moveable Motor Pulley
Flange
17.8
17.8
17.8
17.8
15.9
15.9
13.8
10.8
10.8
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
5
5
6
6
6
SHAFTS CENTER DISTANCE
(in.)
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
10.44-
12.32
9.12-
10.99
6.67-
9.43
6.67-
9.43
29