Bryant 581A/B Product Information Manual page 105

581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS
Airflow
0.2
(Cfm)
Rpm Bhp
1500 848 0.42
1600 887 0.49
1700 927 0.57
1800 967 0.65
1900 1007 0.75
2000 1048 0.85
2100 1090 0.97
2200 1131 1.09
2300 1173 1.23
2400 — —
2500 — —
581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — SINGLE-PHASE UNITS (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1500 1312 1.07
1600 1342 1.18
1700 1374 1.30
1800 — —
1900 — —
2000 — —
2100 — —
2200 — —
2300 — —
2400 — —
2500 — —
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.
581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS
Airflow
0.2
(Cfm)
Rpm Bhp
1500 848 0.42
1600 887 0.49
1700 927 0.57
1800 967 0.65
1900 1007 0.75
2000 1048 0.85
2100 1090 0.97
2200 1131 1.09
2300 1173 1.23
2400 1215 1.38
2500 1258 1.54
581B060 (5 TONS) — STANDARD MOTOR (BELT DRIVE)* — THREE-PHASE UNITS (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1500 1312 1.07
1600 1342 1.18
1700 1374 1.30
1800 1406 1.43
1900 1438 1.57
2000 1471 1.72
2100 1504 1.87
2200 1538 2.04
2300 1572 2.23
2400 — —
2500 — —
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-supplied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
0.4
Watts Rpm Bhp Watts
371 968 0.55 486
433 1004 0.63 556
502 1040 0.71 633
579 1077 0.81 718
663 1115 0.91 811
757 1153 1.03 913
859 1191 1.15 1023
970 1230 1.29 1143
1091 — — —
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1.4
Watts Rpm Bhp Watts
948 1380 1.20 1067
1047 — — —
1153 — — —
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0.4
Watts Rpm Bhp Watts
371 968 0.55 486
433 1004 0.63 556
502 1040 0.71 633
579 1077 0.81 718
663 1115 0.91 811
757 1153 1.03 913
859 1191 1.15 1023
970 1230 1.29 1143
1091 1269 1.43 1273
1223 1309 1.59 1413
1365 1349 1.76 1564
1.4
Watts Rpm Bhp Watts
948 1380 1.20 1067
1047 1411 1.32 1173
1153 1441 1.45 1286
1268 1473 1.58 1407
1391 1504 1.73 1537
1523 1536 1.89 1677
1665 1569 2.06 1825
1816 1602 2.23 1984
1978 — — —
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External Static Pressure (in. wg)
0.6
Rpm Bhp Watts Rpm
1069 0.68 600 1158
1103 0.76 678 1190
1137 0.86 763 1223
1172 0.96 856 1257
1208 1.08 957 1291
1244 1.20 1066
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External Static Pressure (in. wg)
1.6
Rpm Bhp Watts Rpm
— — —
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Refer to page 103 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.
External Static Pressure (in. wg)
0.6
Rpm Bhp Watts Rpm
1069 0.68 600 1158
1103 0.76 678 1190
1137 0.86 763 1223
1172 0.96 856 1257
1208 1.08 957 1291
1244 1.20 1066 1326
1281 1.33 1185 1361
1318 1.48 1313 1397
1355 1.63 1451 1433
1393 1.80 1600 1470
1431 1.98 1759 1506
External Static Pressure (in. wg)
1.6
Rpm Bhp Watts Rpm
1445 1.34 1189 1506
1474 1.46 1300 1535
1505 1.60 1420 1565
1535 1.74 1548 1595
1567 1.90 1685 1626
1598 2.06 1831 1657
1630 2.24 1986
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Refer to page 103 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
105
0.8
Bhp Watts Rpm
0.80 715 1238
0.90 800 1269
1.00 892 1302
1.12 993 1334
1.24 1101 —
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1.8
Bhp Watts Rpm
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0.8
Bhp Watts Rpm
0.80 715 1238
0.90 800 1269
1.00 892 1302
1.12 993 1334
1.24 1101 1368
1.37 1219 1401
1.51 1345 1435
1.67 1481 1470
1.83 1627 1505
2.01 1784 1540
2.20 1951 —
1.8
Bhp Watts Rpm
1.48 1312 1564
1.61 1429 1593
1.75 1555 1622
1.90 1690 1652
2.06 1833 1682
2.24 1986 —
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1.0
Bhp Watts
0.94 831
1.04 922
1.15 1022
1.27 1130
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2.0
Bhp Watts
— —
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1.0
Bhp Watts
0.94 831
1.04 922
1.15 1022
1.27 1130
1.40 1246
1.54 1371
1.69 1505
1.86 1649
2.03 1803
2.21 1967
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2.0
Bhp Watts
1.62 1437
1.76 1560
1.91 1692
2.06 1833
2.23 1983
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