Bryant 579F User Manual page 264

581A210 (18 TONS) (High Heat Units)*
Airflow
0.2
(Cfm)
Rpm Bhp
3,500 645 1105
4,000 718 1454
4,500 792 1866
5,000 867 2343
5,500 943 2889
6,000 1019 3177
6,500 1096 3973
7,000 1173 4894
7,500 1250 5952
8,000 1328 7153
8,500 — —
9,000 — —
9,500 — —
10,000 — —
581A210 (18 TONS) (High Heat Units)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
3,500 965 2195
4,000 1014 2364
4,500 1067 2882
5,000 1123 3489
5,500 1182 4194
6,000 1243 5008
6,500 1306 5939
7,000 1371 6997
7,500 — —
8,000 — —
8,500 — —
9,000 — —
9,500 — —
10,000 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 896-1227 (208/230 and 460-v), 863-1141 (575-v)
High Range: 1113-1414 (208/230 and 460-v), 1042-1285 (575-v)
All other rpms require field-supplied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
0.4
Watts Rpm Bhp Watts
1.27 720 1329 1.53
1.67 785 1692 1.95
2.15 853 2117 2.43
2.69 923 2605 3.00
3.32 995 3162 3.64
3.65 1067 3532 4.06
4.57 1141 4354 5.01
5.63 1215 5304 6.10
6.85 1290 6389 7.35
8.23 1365 7620 8.76
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1.4
Watts Rpm Bhp Watts
2.53 1018 2181 2.51
2.72 1064 2644 3.04
3.31 1114 3187 3.67
4.01 1168 3820 4.39
4.82 1224 4551 5.23
5.76 1283 5391 6.20
6.83 1345 6349 7.30
8.05 — — —
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External Static Pressure (in. wg)
0.6
Rpm Bhp Watts
788 1549 1.78
848 1926 2.22
911 2364 2.72
977 2865 3.30 1027
1044 3158 3.63 1092
1113 3892 4.48 1158
1184 4742 5.45 1226
1256 5719 6.58 1295
1328 6832 7.86 1366
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External Static Pressure (in. wg)
1.6
Rpm Bhp Watts
1068 2442 2.81
1112 2930 3.37 1158
1160 3498 4.02 1204
1211 4156 4.78 1253
1266 4913 5.65 1306
1323 5779 6.65 1361
1382 6763 7.78
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Refer to page 261Refer to page 261 for general Fan Performance Data
notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75
264
0.8
Rpm Bhp Watts Rpm
851 1767 2.03 910
906 2158 2.48 962
965 2609 3.00 1017
2845 3.27 1076
3497 4.02 1138
4259 4.90 1201
5136 5.91 1267
6140 7.06 1334
7281 8.37 —
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1.8
Rpm Bhp Watts Rpm
1116 2708 3.11 1162
3221 3.70 1202
3814 4.39 1246
4497 5.17 1294
5280 6.07 1345
6172 7.10 1398
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1.0
Bhp Watts
1982 2.28
2388 2.75
2583 2.97
3163 3.64
3843 4.42
4631 5.33
5535 6.37
6567 7.55
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2.0
Bhp Watts
2979 3.43
3517 4.05
4135 4.76
4844 5.57
5652 6.50
6569 7.56
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