Carrier 40RM007-034 Installation, Start-Up And Service Instructions Manual page 33

UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
Belt Pitch (mm)
FAN SPEEDS (r/s)
Factory Setting
Range
Max Allowable Speed (r/s)
1
Change per / Turn of
2
Moveable Motor Pulley
Flange
MAX FULL TURNS FROM
CLOSED POSITION
SHAFTS CENTER DISTANCE (mm)
*Four belts shipped with unit. Use correct set of 2 belts sized according to the pulley setting.
UNIT
MOTOR DRIVE
Motor Pulley Pitch Diameter (mm)
Pulley Factory Setting
Full Turns Open
FAN DRIVE
Pulley Pitch Dia (mm)
Pulley Bore (mm)
Belt No. — Section
Belt Pitch (mm)
FAN SPEEDS (r/s)
Factory Setting
Range
Max Allowable Speed (r/s)
1
Change per / Turn of
2
Moveable Motor Pulley
Flange
MAX FULL TURNS FROM
CLOSED POSITION
SHAFTS CENTER DISTANCE (mm)
*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 9E — Medium-Static Drive Data, 60 Hz — SI
40RM
40RM 40RMQ 40RMS
007 40RMS 010
008
86.4- 86.4- 86.4-
111.8 111.8 111.8
2.5 2.5 2.5
224 203 203
25.4 25.4 25.4
1—A 1—A 1—A
1074 1024 1024
12.7 14.0 14.0
11.1-14.4 12.2-15.8 12.2-15.8
20.0 20.0 20.0
0.328 0.360 0.360
5 5 5
265-313 265-313 265-313
Table 9F — High-Static Drive Data, 60 Hz — SI
40RM
40RM 40RMQ 40RMS
007 40RMS 010
008
86.4- 86.4- 86.4-
111.8 111.8 111.8
2.5 2.5 2.5
178 152* 152
25.4 25.4 25.4
1—A 1—A 1—A
1049 947 947
16.0 18.7 18.7
14.0- 16.3- 16.3-
18.1 20.0*† 20.0†
20.0 20.0 20.0
0.410 0.478 0.478
5 5 5
265-313 265-313 265-313
40RM 40RM
40RM
40RMQ 40RMQ
40RMS
40RMS 40RMS
014
012 016
86.4- 86.4- 94.0-
111.8 111.8 119.4
2.5 2.5 3.0
203 208 218
25.4 36.5 36.5
1—A 1—A 1—B
1024 1049 1062
14.0 13.7 14.0
12.2-15.8 11.9-15.4 12.4-15.7
20.0 20.0 20.0
0.360 0.352 0.278
5 5
265-313 265-313 265-313
40RM 40RM
40RM
40RMQ 40RMQ
40RMS
40RMS 40RMS
014
012 016
86.4- 94.0- 109.2-
111.8 119.4 134.6
2.5 3.0
152 188 201
25.4 36.5 36.5
1—A 1—B 1—B
947 1011 1011
18.7 16.3 17.7
16.3- 14.4- 15.8-
20.0† 18.3 19.5
20.0 20.0 20.0
0.478 0.323 0.307
5 6
265-313 265-313** 232-279
33
40RM 40RM
40RMQ 40RMQ
40RMS 40RMS
024 028
109.2- 109.2-
134.6 134.6
3.0 3.0
239 239
36.5 49.2
1—B 2—B*
(2) 986
1062
(2) 1011
14.7 14.7
13.3-16.4 13.3-16.4
20.0 18.3
0.255 0.255
6 6 6
232-279 169-240
40RM 40RM
40RMQ 40RMQ
40RMS 40RMS
024 028
109.2- 109.2
134.6 134.6
3.0 3.0 3.0
188 203
36.5 49.2
2—B 2—B
935 935
18.6 17.1
16.9- 14.6-
20.0† 17.9
20.0 18.3
0.323 0.278
6 6 6
207-255 169-240
40RM
40RMS
034
109.2-
134.6
3.0
239
49.2
2—B*
(2) 986
(2) 1011
14.7
13.3-16.4
18.3
0.255
6
169-240
40RM
40RMS
034
109.2-
134.6
3.0
203
49.2
2—B
960
17.1
14.6-
17.9
18.3
0.278
6
169-240