Bryant DURAPAC PLUS 581A User Manual download pdf (Page 7)

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Table 2 — Fan Motor and Drive Data — Vertical 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 647-886 810-1072 949-1206 949-1206 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.) 7.2 6.6 6.8 6.8 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...38 1...BX...38 1...BX...38 1...BX...38 1...BX...42 1...BX...42

Speed Change Per Turn — Moveable Pulley (rpm) 48 52 51 51 47 47

Moveable Pulley Maximum Full Turns 6 6 6666

Factory Speed Setting (rpm) 767 941 1078 1078 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

897-1139 873-1108 941-1176 941-1176 1014-1297 1014-1297

Motor Pulley Min. Pitch Diameter (in.) 3.7 3.7 4.8 4.8 4.3 4.3

Motor Pulley Max. Pitch Diameter (in.)

4.7 4.7 6.0 6.0 5.5 5.5

Blower Pulley Pitch Diameter (in.)

7.2 7.4 8.9 8.9 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- 2.179 9.025-12.179

Belt, Quantity...Type...Length (in.) 1...BX...38 1...BX...38 1...BX...42 1...BX...42 2...BX...38 2...BX...38

Speed Change per Turn — Moveable Pulley (rpm)

48 47 47 47 57 57

Moveable Pulley Maximum Full Turns

6 6 6666

Factory Speed Setting (rpm) 1018 991 1059 1059 1156 1156

Bhp — Brake Horsepower

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

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Bryant DURAPAC PLUS 581A User Manual Page 7

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