Bryant DURAPAC PLUS 581A User Manual download pdf (Page 8)

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Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return

LEGEND

581A

210 240 300

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 3 5 5 7.5 7.5

Motor Nominal Rpm 1725 1725 1745 1745 1745 1745

Maximum Continuous Bhp 4.25 3.45 5.75 5.75 8.63 8.63

Maximum Continuous Watts 3698 3149 4900 4900 7267 7267

Motor Frame Size 56HZ 56HZ S184T 184T S213T S213T

Motor Shaft Diameter (in.)

Fan Rpm Range 896-1227 863-1141 1113-1414 1113-1414 941-1176 941-1176

Motor Pulley Min. Pitch Diameter (in.) 2.7 3.1 3.7 3.7 4.8 4.8

Motor Pulley Max. Pitch Diameter (in.) 3.7 4.1 4.7 4.7 6.0 6.0

Blower Pulley Pitch Diameter (in.) 5.2 6.2 5.8 5.8 8.9 8.9

Blower Pulley Shaft Diameter (in.) 1.1875 1.1875 1.1875 1.1875 1.1875 1.1875

Blower Pulley Type Fixed Fixed Fixed Fixed Fixed Fixed

Pulley Center Line Distance (in.) 11.293-13.544 11.286-14.475 9.81-13.055 9.81-13.055 9.025-12.179 9.025-12.179

Belt, Quantity...Type...Length (in.) 1...BX...35 1...BX...38 1...BX...35 1...BX...35 1...BX...42 1...BX...42

Speed Change Per Turn — Moveable Pulley (rpm) 66 56 60 60 47 47

Moveable Pulley Maximum Full Turns 6 6 6666

Factory Speed Setting (rpm) 1062 1002 1264 1264 1059 1059

HIGH RANGE

Motor Hp

5 5 7.5 7.5 10 10

Motor Nominal Rpm 1745 1745 1745 1745 1745 1745

Maximum Continuous Bhp

5.75 5.75 8.63 8.63 11.5 11.5

Maximum Continuous Watts

4900 4900 7267 7267 9582 9582

Motor Frame Size S184T 184T S213T S213T S215T S215T

Motor Shaft Diameter (in.)

Fan Rpm Range

1113-1414 1042-1285 1096-1339 1096-1339 1014-1297 1014-1297

Motor Pulley Min. Pitch Diameter (in.) 3.7 4.3 5.4 5.4 4.3 4.3

Motor Pulley Max. Pitch Diameter (in.)

4.7 5.3 6.6 6.6 5.5 5.5

Blower Pulley Pitch Diameter (in.)

5.8 7.2 8.6 8.6 7.4 7.4

Blower Pulley Shaft Diameter (in.) 1.1875 1.1875 1.1875 1.1875 1.1875 1.1875

Blower Pulley Type

Fixed Fixed Fixed Fixed Fixed Fixed

Pulley Center Line Distance (in.)

9.81-13.055 9.81-13.055 9.025-12.179 9.025-12.179 9.025-12.179 9.025-12.179

Belt, Quantity...Type...Length (in.) 1...BX...35 1...BX...38 1...BX...42 1...BX...42 1...BX...38 1...BX...38

Speed Change per Turn — Moveable Pulley (rpm)

60 48 49 49 57 57

Moveable Pulley Maximum Full Turns

6 6 6666

Factory Speed Setting (rpm) 1264 1164 1218 1218 1156 1156

Bhp — Brake Horsepower

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 55 56

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Bryant DURAPAC PLUS 581A User Manual Page 8

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