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PERFORMANCE DATA (cont)
FAN PERFORMANCE — 579F180-300 UNITS
579F180 (15 TONS)
Airflow
(Cfm)
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
4500 801 1.05 933 890 1.26 1119 971 1.46 1297 1050 1.67 1483 1125 1.88 1670 1200 2.12 1883
4800 843 1.25 1110 928 1.47 1306 1006 1.68 1492 1081 1.90 1687 1153 2.13 1892 1223 2.36 2096
5100 885 1.47 1306 968 1.70 1510 1043 1.93 1714 1114 2.16 1918 1183 2.40 2131 1250 2.64 2345
5400 927 1.71 1519 1008 1.95 1732 1080 2.20 1954 1148 2.44 2167 1214 2.69 2389 1279 2.94 2611
5700 971 1.98 1758 1049 2.24 1989 1118 2.50 2220 1134 2.75 2442 1247 3.01 2673 1309 3.28 2913
6000 1016 2.28 2025 1091 2.55 2265 1158 2.83 2513 1222 3.10 2753 1282 3.36 2984 1342 3.64 3233
6300 1059 2.60 2309 1133 2.89 2567 1198 3.17 2815 1259 3.46 3073 1318 3.74 3321 1375 4.02 3570
6600 1104 2.96 2629 1174 3.26 2895 1239 3.56 3162 1297 3.86 3428 1355 4.15 3686 1405 4.40 3970
6900 1150 3.35 2975 1218 3.67 3259 1281 3.98 3535 1340 4.20 3730 1392 4.55 4040 1460 4.95 4350
7200 1194 3.77 3348 1260 4.10 3641 1325 4.40 3907 1390 4.65 4130 1440 5.10 4530 1510 5.30 4700
7500 1238 4.23 3758 1300 4.50 3996 1370 4.90 4351 1435 5.00 4440 1490 5.60 4970 — — —
579F180 (15 TONS)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
4500 1275 2.39 2123 1349 2.70 2398 1421 3.03 2691 1490 3.39 3011
4800 1293 2.62 2327 1364 2.92 2593 1433 3.24 2877 1501 3.59 3188
5100 1316 2.90 2575 1382 3.18 2824 1448 3.49 3099 1514 3.86 3428
5400 1342 3.20 2842 1403 3.47 3082 1466 3.77 3348 1529 4.16 3694
5700 1370 3.54 3144 1429 3.81 3384 1487 4.11 3650 — — —
6000 1401 3.92 3481 1458 4.20 3730 1525 4.50 3776 — — —
6300 1430 4.30 3820 1490 4.55 4040 — — — — — —
6600 1461 4.85 4305 1530 5.00 4440 — — — — — —
6900 1500 5.35 4750 — — — — — — — — —
7200 —— — —— — —— — —— —
7500 —— — —— — —— — —— —
LEGEND
Bhp — Brake Horsepower Input to Fan
FIOP — Factory Installed Option
Watts — Input Watts to Motor
*Standard low-medium static drive range is 891 to 1179 rpm. Alternate
high static drive range is 1227 to 1550 rpm. Other rpms require a field-
supplied drive.
NOTES:
1. Static pressure losses (i.e., economizer) must be added to exter-
nal static pressure before entering Fan Performance table. See
Accessory/FIOP Static Pressure table on page 52 for more
information.
2. Interpolation is permissible. Do not extrapolate.
3. Maximum continuous bhp is 4.25 and the maximum continuous
watts are 3775. Extensive motor and drive testing on these units en-
sures that the full horsepower range of the motor can be utilized with
confidence. Using your fan motors up to the watts rating shown will
not result in nuisance tripping or premature motor failure. Unit war-
ranty will not be affected.
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