Carrier 40RU User Manual
Page 30
30
Table 9C -- High--Static Drive Data, 60 Hz — English
UNIT
40RUA*07
40RUQ*07
40RUA*08
40RUQ*08
40RUS*08
40RUA*12
40RUQ*12
40RUS*12
40RUA*14
40RUS*14
40RUA*16
40RUQ*16
40RUS*16
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 TURNS 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
*
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.
** 575---v unit has a center distance of 9.16---10.99.
Table 9D -- Standard Drive Data, 60 Hz — SI
UNIT
40RUA*07
40RUQ*07
40RUA*08
40RUQ*08
40RUS*08
40RUA*12
40RUQ*12
40RUS*12
40RUA*14
40RUS*14
40RUA*16
40RUQ*16
40RUS*16
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
Pulley Factory Setting
Full Turns Open
2.5
2.5
2.5
2.5
2.5
FAN DRIVE
Pulley Pitch Dia (mm)
224
224
224
229
229
Pulley Bore (mm)
25.4
25.4
25.4
36.5
36.5
Belt No. — Section
1—A
1—A
1—A
1—A
1—A
Belt Pitch (mm)
1024
1049
1074
1074
1074
FAN SPEEDS (r/s)
Factory Setting
9.5
10.8
12.7
10.5
10.5
Range
7.8---11.1
9.2---12.4
11.1---14.4
9.0---12.1
9.0---12.1
Max Allowable Speed (r/s)
20.0
20.0
20.0
20.0
20.0
Change per
1
/
2
Turn of
Moveable Motor Pulley
Flange
0.327
0.327
0.328
0.318
0.318
MAX FULL TURNS FROM
CLOSED POSITION
5
5
5
5
5
SHAFTS CENTER DISTANCE (mm)
265---313
265---313
265---313
265---313
265---313
40RU