Bryant 558D Installation, Start-Up And Service Instructions Manual page 23

Table 10 — 558D060 Air Delivery — Vertical Discharge Units (Alternate Motor)
AIRFLOW
(Cfm)
0.1 0.2
Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts Rpm Watts
1500 730 347 789
1600 770 409 826
1700 811 480 865
1800 852 562 905
1900 894 552 945
2000 936 756 984
2100 978 869 1024
2200 1021 991 1064
2300 1064 1124 1104
2400 1107 1267 1145
2500 1150 1420 1186
NOTES:
1. Boldface indicates a field-supplied drive is required. (See Note 7.)
2. indicates field-supplied motor and drive are required.
3. indicates maximum usable watts of a factory-supplied motor.
4. Maximum usable watts input is 2120. Extensive motor and electrical testing on these units ensures that the full range of the motor can be
utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor
failure. Unit warranty will not be affected. For additional information on motor performance, refer to Table 4.
5. Values include losses for filters, unit casing, and wet coils.
6. Use of a field-supplied motor may affect wire sizing. Contact your distributor to verify.
7. Alternate motor drive range: 900 to 1300. All other rpms require field-supplied drive.
8. To convert watts to bhp:
watts input x motor efficiency
bhp =
746
Motor efficiency = .74
Table 11 — 558C072 Air Delivery — Vertical Discharge Units (Standard Motor)
AIRFLOW
(Cfm)
0.1
Rpm Watts Rpm
1800 852 562
1900 894 630
2000 936 708
2100 978 795 1024
2200 1021 891 1064
2300 1064 998 1104
2400 1107 1114 1145
2500 1150 1241 1186
2600 1193 1387 1228
2700 1237 1543 1269
2800 1280 1718 1311
2900 1324 1901 1354
3000 1368 2093 1396
NOTES:
1. Boldface indicates field-supplied drive required. (See Note 7.)
2. indicates field-supplied motor and drive are required.
3. indicates maximum usable watts of a factory-supplied motor.
4. Maximum usable watts input is 2120. Extensive motor and electrical testing on these units ensures that the full range of the motor can be
utilized with confidence. Using your fan motors up to the wattage ratings shown will not result in nuisance tripping or premature motor
failure. Unit warranty will not be affected. For additional information on motor performance, refer to Table 4.
5. Values include losses for filters, unit casing and wet coils.
6. Use of a field-supplied motor may affect wire sizing. Contact your distributor to verify.
7. Standard motor drive range: 1070 to 1460. All other rpms require field-supplied drive.
8. To convert watts to bhp:
watts input x motor efficiency
bhp =
746
Motor efficiency = .84
0.4 0.6
409 896 542 990 685
470 931 623 1020 766
552 966 705 1051 858
634 1002 797 1084 950
736 1037 899 1119 1063
838 1072 1001 1154 1185
950 1108 1124 1192 1318
1073 1145 1247 1225 1461
1206 1183 1390 1260 1604
1349 1222 1482 1296 1768
1512 1262 1717 1331 1931
0.2 0.4
Watts Rpm Watts Rpm
905 615 1002 739 1084
945 692 1037 818 1119
984 771 1072 899 1154
859 1108 998 1190
956 1145 1097 1225
1064 1183 1216 1260
1182 1222 1353 1296
1318 1262 1491 1331
1465 1301 1648 1367
1621 1341 1814 1404
1796 1381 1989 1442
1980 1420 2180 1481
2171 1460 2369 1521
ALTERNATE BELT DRIVE MOTOR
External Static Pressure (in. wg)
0.8 1.0
1072 848 1153 1022 1221
1101 930 1178 1114 1252
1133 1032 1205 1206 1278
1163 1124 1235 1318 1303
1194 1237 1266 1431 1330
1226 1359 1297 1564 1362
1259 1502 1327 1696 1393
1294 1656 1359 1850 1423
1330 1819 1392 2013 1454
1365 1983 1426 2197 1485
1400 2166 1461 2391 1518
STANDARD BELT DRIVE MOTOR
External Static Pressure (in. wg)
0.6 0.8
Watts Rpm Watts Rpm
859 1163 998 1235
948 1194 1089 1266
1047 1226 1190 1297
1156 1259 1310 1327
1275 1294 1439 1359
1396 1330 1578 1392
1534 1365 1718 1426
1674 1400 1875 1461
1831 1435 2041 1497
1997 1471 2214 1532
2180 1506 2394
2369 1542 2579
2571 — —
—23—
1.2 1.4 1.6
1196 1256 1328 1280
1298 1311 1482 1340
1400 1345 1604 1397
1512 1371 1727 1433
1625 1396 1850 1460
1768 1422 1983 1485
1911 1452 2126 1510
2064 1483 2289 1538
2228 1515 2463 1569
2412 1544 2647 1601
2606 1575 2841 1631
1.0 1.2
Watts Rpm Watts Rpm Watts Rpm Watts
1156 1303 1318 1371 1499 1433 1638
1250 1330 1413 1396 1604 1460 1796
1361 1362 1534 1422 1718 1485 1910
1473 1393 1656 1452 1840 1510 2041
1604 1423 1779 1483 1980 1538 2171
1744 1454 1927 1515 2128 1569 2326
1901 1485 2084 1544 2283 1601 2459
2067 1518 2249 1575 2445
2240 1552 2428 —
2420 — — —
— — — — —
— — — — —
— — — — —
1.8
1349 1320 1400
1615 1380 1645
1799 1424 1931
1942 1480 2136
2074 1517 2299
2207 1544 2453
2361 1569 2606
2514 1595 2769
2698 1622 2943
2902 1652 3137
3096 1684 3352
1.4 1.6
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