Bryant DURAPAC PLUS 581A - Manual (Page 8)

— 8 —
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.) 7 /
8
7 /
8
1 1 /
8
1 1 /
8
1 3 /
8
1 3 /
8
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 6 6 6 6
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.) 1 1 /
8
1 1 /
8
1 3 /
8
1 3 /
8
1 3 /
8
1 3 /
8
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 6 6 6 6
Factory Speed Setting (rpm) 1264 1164 1218 1218 1156 1156
Bhp — Brake Horsepower