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7
Table 2—Fan Motor and Drive Data — Vertical Supply/Return
50PG
20
24
28
208/230 and 460 v
575 v
208/230 and 460 v
575 v
208/230 and 460 v
575 v
LOW RANGE
Motor Hp
3.7
5
3.7
5
5
5
Motor Nominal Rpm
1750
1750
1750
1750
1750
1750
Maximum Continuous Bhp
4.26
5.88
4.26
5.88
5.37/6.00
5.88
Maximum Continuous Watts
3700
5015
3700
5015
4578/5115
5015
Motor Frame Size
56HZ
S184T
56HZ
S184T
S184T
S184T
Motor Shaft Diameter (in.)
7/8
1
1
/
8
7/8
1
1
/
8
1
1
/
8
1
1
/
8
Fan Rpm Range
685--939
751--954
685--939
751--954
687--873
687--873
Motor Pulley Min. Pitch Diameter (in.)
2.7
3.7
2.7
3.7
3.7
3.7
Motor Pulley Max. Pitch Diameter (in.)
3.7
4.7
3.7
4.7
4.7
4.7
Blower Pulley Pitch Diameter (in.)
6.8
8.6
6.8
8.6
9.4
9.4
Blower Pulley Shaft Diameter (in.)
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
Blower Pulley Type
Fixed
Fixed
Fixed
Fixed
Fixed
Fixed
Pulley Center Line Distance (in.)
11.293--13.544
9.81--13.055
11.293--13.544
9.81--13.055
9.81--13.055
9.81--13.055
Belt, Quantity...Type...Length (in.)
1...BX38...39.8
1...BX40...41.8
1...BX38...39.8
1...BX40...41.8
1...BX41...42.8
1...BX41...42.8
Speed Change Per Turn — Moveable Pulley
(Rpm)
42
34
42
34
31
31
Moveable Pulley Maximum Full Turns
6
6
6
6
6
6
Factory Speed Setting (Rpm)
812
853
812
853
780
780
MID- LOW RANGE
Motor Hp
5
5
5
5
5
5
Motor Nominal Rpm
1750
1750
1750
1750
1750
1750
Maximum Continuous Bhp
5.37/6.00
5.88
5.37/6.00
5.88
5.37/6.00
5.88
Maximum Continuous Watts
4578/5115
5015
4578/5115
5015
4578/5115
5015
Motor Frame Size
S184T
S184T
S184T
S184T
S184T
S184T
Motor Shaft Diameter (in.)
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
1
1
/
8
Fan Rpm Range
949--1206
949--1206
949--1206
949--1206
805--1007
805--1007
Motor Pulley Min. Pitch Diameter (in.)
3.7
3.7
3.7
3.7
4.8
4.8
Motor Pulley Max. Pitch Diameter (in.)
4.7
4.7
4.7
4.7
6.0
6.0
Blower Pulley Pitch Diameter (in.)
6.8
6.8
6.8
6.8
10.4
10.4
Blower Pulley Shaft Diameter (in.)
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
Blower Pulley Type
Fixed
Fixed
Fixed
Fixed
Fixed
Fixed
Pulley Center Line Distance (in.)
9.81--13.055
9.81--13.055
9.81--13.055
9.81--13.055
9.81--13.055
9.81--13.055
Belt, Quantity...Type...Length (in.)
1...BX38...39.8
1...BX38...39.8
1...BX38...39.8
1...BX38...39.8
1...BX45...46.8
1...BX45...46.8
Speed Change Per Turn — Moveable Pulley
(Rpm)
43
43
43
43
34
34
Moveable Pulley Maximum Full Turns
6
6
6
6
6
6
Factory Speed Setting (Rpm)
1078
1078
1078
1078
906
906
MID- HIGH RANGE
Motor Hp
7.5
7.5
7.5
7.5
7.5
7.5
Motor Nominal Rpm
1750
1750
1750
1750
1750
1750
Maximum Continuous Bhp
7.66/9.00
9.00
7.66/9.00
9.00
7.66/9.00
9.00
Maximum Continuous Watts
6458/7586
7586
6458/7586
7586
6458/7586
7586
Motor Frame Size
S213T
S213T
S213T
S213T
S213T
S213T
Motor Shaft Diameter (in.)
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
Fan Rpm Range
941--1176
941--1176
941--1176
941--1176
941--1176
941--1176
Motor Pulley Min. Pitch Diameter (in.)
4.8
4.8
4.8
4.8
4.8
4.8
Motor Pulley Max. Pitch Diameter (in.)
6.0
6.0
6.0
6.0
6.0
6.0
Blower Pulley Pitch Diameter (in.)
8.9
8.9
8.9
8.9
8.9
8.9
Blower Pulley Shaft Diameter (in.)
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
Blower Pulley Type
Fixed
Fixed
Fixed
Fixed
Fixed
Fixed
Pulley Center Line Distance (in.)
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
Belt, Quantity...Type...Length (in.)
1...BX42...43.8
1...BX42...43.8
1...BX42...43.8
1...BX42...43.8
1...BX42...43.8
1...BX42...43.8
Speed Change Per Turn — Moveable Pulley
(Rpm)
39
39
39
39
39
39
Moveable Pulley Maximum Full Turns
6
6
6
6
6
6
Factory Speed Setting (Rpm)
1059
1059
1059
1059
1059
1059
HIGH RANGE
Motor Hp
10
10
10
10
10
10
Motor Nominal Rpm
1750
1750
1750
1750
1750
1750
Maximum Continuous Bhp
9.94/11.19
11.65
9.94/11.19
11.65
9.94/11.19
11.65
Maximum Continuous Watts
8284/9330
9711
8284/9330
9711
8284/9330
9711
Motor Frame Size
S215T
S215T
S215T
S215T
S215T
S215T
Motor Shaft Diameter (in.)
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
1
3
/
8
Fan Rpm Range
1014--1297
1014--1297
1014--1297
1014--1297
1014--1297
1014--1297
Motor Pulley Min. Pitch Diameter (in.)
4.3
4.3
4.3
4.3
4.3
4.3
Motor Pulley Max. Pitch Diameter (in.)
5.5
5.5
5.5
5.5
5.5
5.5
Blower Pulley Pitch Diameter (in.)
7.4
7.4
7.4
7.4
7.4
7.4
Blower Pulley Shaft Diameter (in.)
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
1
3
/
16
Blower Pulley Type
Fixed
Fixed
Fixed
Fixed
Fixed
Fixed
Pulley Center Line Distance (in.)
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
9.025--12.179
Belt, Quantity...Type...Length (in.)
2...BX38...39.8
2...BX38...39.8
2...BX38...39.8
2...BX38...39.8
2...BX38...39.8
2...BX38...39.8
Speed Change Per Turn — Moveable Pulley
(Rpm)
47
47
47
47
47
47
Moveable Pulley Maximum Full Turns
6
6
6
6
6
6
Factory Speed Setting (Rpm)
1156
1156
1156
1156
1156
1156
50P
G
20
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