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PERFORMANCE DATA — 579F (cont)
FAN PERFORMANCE — 579F180-300 UNITS (cont)
LEGEND
*Standard low-medium static drive range for the 216 size is 910 to 1095 rpm.
Standard low-medium static drive range for the 240 size is 1002 to 1225 rpm.
Alternate high-static drive range for the 216 size is 1069 to 1287. Alternate high-
static drive range for the 240 size is 1193 to 1458 rpm. Other rpms require a field-
supplied drive.
Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp for the 216 size is 5.90. Maximum continuous
bhp for the 240 size is 8.70 (208/230 and 575 v) or 9.50 (460 v). The maximum
continuous watts for the 216 size is 5180. The maximum continuous watts for the
240 size is 7915 (208/230 and 575 v) or 8640 (460 v). Do not adjust motor rpm
such that motor maximum bhp and/or watts is exceeded at the maximum operat-
ing cfm.
LEGEND
*Standard low-medium static drive range is 1066 to 1283 rpm. Alternate high-
static drive range is 1332 to 1550. Other rpms require a field-supplied drive.
Refer to this page for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is 10.20 (208/230 and 575 v) or 11.80 (460 v)
and the maximum continuous watts are 9510 (208/230 and 575 v) or 11,000
(460 v). Do not adjust motor rpm such that motor maximum bhp and/or watts is
exceeded at the maximum operating cfm.
GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES
1. Static pressure losses (i.e., EconoMi$er IV) must be added to external static
pressure before entering Fan Performance table.
2. Interpolation is permissible. Do not extrapolate.
3. Fan performance is based on wet coils, clean filters, and casing losses. See
Accessory/FIOP Static Pressure table on page 193.
4. Extensive motor and drive testing on these units ensures that the full horse-
power and watts range of the motor can be utilized with confidence. Using
fan motors up to the watts or bhp rating shown will not result in nuisance
tripping or premature motor failure. Unit warranty will not be affected.
5. Use of a field-supplied motor may affect wire sizing. Contact your Bryant
representative for details.
579F216360 and 240360 (18 AND 20 TONS) *
Airflow
(Cfm)
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
5,500 795 2.43 2043 866 2.74 2306 934 3.07 2578 998 3.40 2856 1059 3.74 3142 1117 4.08 3434
6,000 854 2.92 2452 921 3.24 2722 984 3.57 3998 1044 3.90 3281 1102 4.25 3570 1158 4.60 3865
6,500 914 3.46 2909 977 3.79 3184 1036 4.12 3465 1093 4.46 3752 1148 4.81 4045 1201 5.16 4343
7,000 975 4.06 3414 1034 4.39 3695 1090 4.73 3981 1144 5.08 4272 1196 5.43 4569 1246 5.79 4870
7,500 1037 4.72 3969 1092 5.06 4255 1145 5.41 4546 1196 5.76 4842 1256 6.12 5142 1294 6.48 5447
8,000 1099 5.44 4575 1150 5.79 4866 1201 6.14 5162 1249 6.50 5462 1297 6.86 5766 1343 7.22 6075
8,500 1161 6.22 5232 1210 6.57 5529 1258 6.93 5829 1304 7.29 6134 1349 7.66 6443 1393 8.03 6755
9,000 1223 7.07 5943 1270 7.43 6245 1315 7.79 6550 1360 8.16 6869 1403 8.53 7171 1445 8.90 7487
9,500 1286 7.98 6708 1331 8.34 7014 1374 8.71 7324 1416 9.08 7638 1457 9.46 7954 1498 9.84 8274
10,000 1349 8.95 7528 1392 9.32 7839 1433 9.70 8154 1473 10.07 8471 ——————
579F216360 and 240360 (18 AND 20 TONS) * (cont)
Airflow
(Cfm)
Available External Static Pressure (in. wg)
1.4 1.6 1.8 1.9 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
5,500 1173 4.44 3732 1227 4.80 4036 1279 5.17 4345 1304 5.35 4502 1329 5.54 4629
6,000 1211 4.95 4165 1263 5.32 4471 1313 5.69 4782 1337 5.87 4939 1361 6.06 5097
6,500 1252 5.53 4646 1302 5.89 4954 1350 6.26 5267 1373 6.56 5425 1396 6.64 5584
7,000 1295 6.16 5176 1343 6.52 5487 1389 6.90 5802 1412 7.09 5961 1434 7.28 6121
7,500 1340 6.85 5756 1386 7.22 6070 1431 7.60 6387 1452 7.79 6547 1474 7.98 6709
8,000 1388 7.60 6388 1431 7.97 6704 1474 8.35 7240 1495 8.54 7186 1516 8.74 7348
8,500 1436 8.41 7071 1478 8.79 7390 1520 9.17 7713 1540 9.37 7876 — — —
9,000 1486 9.28 7807 1527 9.67 8130 —————————
9,500 1538 10.22 8597 ————————————
10,000 ———————————————
Bhp — Brake Horsepower
Watts — Input Watts to Motor
579F300360 (25 TONS) *
Airflow
(Cfm)
Available External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0 1.2
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
7,000 992 4.05 3,348 1051 4.44 3,668 1106 4.83 3995 1160 5.24 4331 1212 5.65 4675 1262 6.08 5026
7,500 1055 4.77 3,947 1110 5.17 4,277 1162 5.58 4615 1214 6.00 4960 1263 6.43 5312 1311 6.86 5672
8,000 1118 5.58 4,610 1170 5.99 4,950 1220 6.41 5298 1268 6.84 5653 1315 7.27 6014 1361 7.72 6382
8,500 1182 6.46 5,339 1231 6.88 5,690 1278 7.31 6047 1324 7.75 6411 1369 8.20 6782 1413 8.66 7158
9,000 1246 7.42 6,136 1292 7.86 6,498 1337 8.30 6865 1381 8.75 7239 1424 9.21 7618 1466 9.68 8003
9,500 1310 8.47 7,005 1354 8.92 7,377 1397 9.38 7754 1439 9.84 8137 1480 10.31 8525 1520 10.79 8918
10,000 1374 9.61 7,947 1416 10.07 8,329 1457 10.54 8715 1497 11.02 9107 1537 11.50 9504 — — —
10,500 1439 10.84 8,964 1479 11.32 9,356 1518 11.79 9752 —————————
11,000 1503 12.17 10,059 1542 12.65 10,460 ————————————
11,250 1536 12.86 10,636 ———————————————
579F300360 (25 TONS) * (cont)
Airflow
(Cfm)
Available External Static Pressure (in. wg)
1.4 1.6 1.8
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
7,000 1311 6.51 5385 1359 6.96 5751 1405 6.00 6124
7,500 1358 7.30 6039 1403 7.76 6412 1448 6.84 6792
8,000 1406 8.17 6767 1560 8.63 7137 1492 7.75 7524
8,500 1456 9.12 7541 1498 9.59 7929 1539 8.75 8323
9,000 1507 10.15 8393 1548 10.63 8790 — — —
9,500 —————————
10,000 —————————
10,500 —————————
11,000 —————————
11,250 —————————
Bhp — Brake Horsepower
Watts — Input Watts to Motor
579F180-300