Bryant 579F User Manual page 258

581A240 (20 TONS) (High Heat Units)*
Airflow
0.2
(Cfm)
Rpm Watts
5,000 607 1329
5,500 652 1648
6,000 699 2013
6,500 746 2428
7,000 794 2895
7,500 842 3415
8,000 891 3992
8,500 940 4628
9,000 990 5325
9,500 1039 6085
10,000 1089 6911
581A240 (20 TONS) (High Heat Units)* (cont)
Airflow
1.2
(Cfm)
Rpm Watts
5,000 900 2448
5,500 933 2847
6,000 967 3292
6,500 1003 3785
7,000 1041 4330
7,500 1079 4926
8,000 1119 5578
8,500 1160 6288
9,000 1202 7056
9,500 1244 7887
10,000 1287 8781
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
Available External Static Pressure (in. wg)
0.4
Bhp Rpm Watts Bhp
1.53 677 1565 1.80
1.90 719 1902 2.19
2.32 763 2285 2.63
2.79 807 2716 3.12
3.33 851 3198 3.68
3.93 897 3735 4.30
4.59 943 4327 4.98
5.32 990 4977 5.72
6.12 1037 5688 6.54
7.00 1085 6462 7.43
7.95 1133 7301 8.40
Available External Static Pressure (in. wg)
1.4
Bhp Rpm Watts Bhp
2.82 949 2664 3.06
3.27 979 3077 3.54
3.79 1011 3535 4.07
4.35 1046 4043 4.65
4.98 1082 4601 5.29
5.67 1119 5212 5.99
6.42 1158 5878 6.76
7.23 1198 6601 7.59
8.12 1238 7384 8.49
9.07 1279 8228 9.46
10.10 1321 9137 10.51
0.6
Rpm Watts Bhp Rpm
740 1791 2.06 797
779 2145 2.47 833
819 2545 2.93 872
861 2993 3.44 911
904 3491 4.02 952
947 4043 4.65 994
991 4650 5.35 1036
1036 5316 6.11 1080
1082 6042 6.95 1124
1128 6829 7.85 1168
1174 7682 8.83 1213
1.6
Rpm Watts Bhp Rpm
995 2879 3.31 1040
1023 3305 3.80 1066
1054 3778 4.35 1095
1087 4298 4.94 1127
1122 4870 5.60 1160
1158 5495 6.32 1195
1195 6174 7.10 1231
1234 6912 7.95 1269
1273 7708 8.87 1308
1314 8566 9.85 1347
1355 9488 10.91 1387
Refer to page 261 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63
258
0.8 1.0
Watts Bhp Rpm Watts
2013 2.31 850 2231
2382 2.74 884 2616
2798 3.22 921 3046
3262 3.75 958 3525
3776 4.34 998 4055
4343 5.00 1038 4637
4966 5.71 1079 5274
5646 6.49 1121 5970
6386 7.35 1163 6724
7188 8.27 1207 7541
8055 9.26 1251 8421
1.8 2.0
Watts Bhp Rpm Watts
3095 3.56 1083 3310
3534 4.06 1108 3762
4019 4.62 1135 4260
4553 5.24 1165 4806
5138 5.91 1197 5404
5776 6.64 1231 6055
6468 7.44 1267 6761
7219 8.30 1303 7524
8029 9.23 1341 8347
8900 10.24 1379 9231
9836 11.31 — —
Bhp
2.57
3.01
3.50
4.05
4.66
5.33
6.07
6.87
7.73
8.67
9.69
Bhp
3.81
4.33
4.90
5.53
6.22
6.96
7.78
8.65
9.60
10.62
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