Bryant 581A/B - Manual (Page 49)

49
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
LEGEND
*Motor drive range: 830 to 1130 rpm. All other rpms require field-supplied
drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 5.25.
3. See page 70 for General Fan Performance Notes.
580F120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
(Cfm)
External Static Pressure (in. wg)
0.2 0.4 0.6 0.8 1.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000 726 0.75 656 793 0.94 822 853 1.14 997 910 1.35 1181 962 1.56 1373
3100 746 0.81 713 811 1.01 883 870 1.21 1062 926 1.42 1250 978 1.65 1447
3200 766 0.88 773 829 1.08 947 887 1.29 1131 942 1.51 1323 993 1.74 1524
3300 786 0.95 836 847 1.16 1016 905 1.37 1204 958 1.60 1400 1008 1.83 1604
3400 806 1.03 904 866 1.24 1088 922 1.46 1280 975 1.69 1481 1024 1.92 1689
3500 826 1.11 975 885 1.33 1163 940 1.55 1360 991 1.78 1565 1040 2.03 1778
3600 846 1.20 1050 904 1.42 1243 958 1.65 1444 1008 1.88 1654 1056 2.13 1870
3700 866 1.29 1129 923 1.51 1327 975 1.75 1532 1025 1.99 1746 1073 2.24 1967
3800 886 1.38 1212 942 1.61 1415 994 1.85 1625 1043 2.10 1843 1089 2.36 2068
3900 907 1.48 1299 961 1.72 1507 1012 1.96 1722 1060 2.21 1944 1106 2.48 2173
4000 927 1.58 1391 980 1.83 1603 1030 2.08 1823 1078 2.33 2049 1123 2.60 2283
4100 948 1.69 1487 1000 1.94 1704 1049 2.20 1928 1095 2.46 2159 1140 2.73 2397
4200 968 1.81 1588 1019 2.06 1809 1067 2.32 2038 1113 2.59 2274 1157 2.87 2516
4300 989 1.93 1694 1039 2.19 1920 1086 2.45 2153 1131 2.73 2393 1175 3.01 2640
4400 1009 2.06 1804 1058 2.32 2034 1105 2.59 2272 1149 2.87 2517 1192 3.15 2768
4500 1030 2.19 1919 1078 2.45 2154 1124 2.73 2397 1168 3.01 2646 1210 3.31 2901
4600 1051 2.32 2039 1098 2.60 2279 1143 2.88 2527 1186 3.17 2780 1228 3.46 3040
4700 1071 2.47 2165 1118 2.75 2409 1162 3.03 2661 1205 3.33 2919 1245 3.63 3184
4800 1092 2.62 2295 1138 2.90 2545 1181 3.19 2801 1223 3.49 3064 1264 3.80 3333
4900 1113 2.77 2431 1158 3.06 2685 1201 3.36 2947 1242 3.66 3214 1282 3.97 3487
5000 1134 2.93 2572 1178 3.23 2832 1220 3.53 3097 1261 3.84 3369 1300 4.16 3647
580F120 (10 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
(Cfm)
External Static Pressure (in. wg)
1.2 1.4 1.6 1.8 2.0
Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
3000 1012 1.79 1574 1060 2.03 1781 1105 2.28 1997 1148 2.53 2219 1190 2.79 2449
3100 1027 1.88 1651 1073 2.12 1863 1118 2.37 2081 1161 2.63 2308 1202 2.89 2540
3200 1041 1.97 1732 1088 2.22 1947 1132 2.47 2170 1174 2.73 2400 1215 3.00 2636
3300 1056 2.07 1817 1102 2.32 2036 1146 2.58 2262 1188 2.84 2496 1228 3.12 2735
3400 1071 2.17 1905 1116 2.43 2128 1160 2.69 2359 1201 2.96 2595 1241 3.23 2839
3500 1087 2.28 1998 1131 2.53 2225 1174 2.80 2459 1215 3.08 2699 1255 3.36 2946
3600 1102 2.39 2094 1146 2.65 2326 1188 2.92 2563 1229 3.20 2808 1268 3.48 3058
3700 1118 2.50 2195 1162 2.77 2430 1203 3.04 2672 1243 3.33 2920 1282 3.62 3174
3800 1134 2.62 2300 1177 2.89 2539 1218 3.17 2785 1258 3.46 3036 1296 3.75 3295
3900 1150 2.75 2410 1193 3.02 2653 1233 3.31 2902 1273 3.60 3158 1311 3.90 3420
4000 1167 2.88 2524 1208 3.16 2770 1249 3.45 3024 1287 3.74 3284 1325 4.04 3549
4100 1183 3.01 2642 1224 3.30 2893 1264 3.59 3151 1302 3.89 3414 1340 4.20 3683
4200 1200 3.15 2765 1240 3.44 3020 1280 3.74 3282 1318 4.04 3549 1355 4.36 3823
4300 1216 3.30 2893 1257 3.59 3152 1295 3.89 3418 1333 4.20 3690 1370 4.52 3967
4400 1233 3.45 3025 1273 3.75 3289 1311 4.05 3559 1349 4.37 3834 1385 4.69 4116
4500 1250 3.60 3163 1290 3.91 3431 1328 4.22 3705 1364 4.54 3985 — — —
4600 1268 3.77 3306 1306 4.08 3578 1344 4.39 3856 1380 4.72 4140 — — —
4700 1285 3.94 3454 1323 4.25 3730 1360 4.57 4013 1396 4.90 4300 — — —
4800 1303 4.11 3608 1340 4.43 3888 1377 4.76 4175 — — — — — —
4900 1320 4.29 3766 1357 4.62 4051 1394 4.95 4342 — — — — — —
5000 1338 4.48 3930 1375 4.81 4219 — — — — — — — — —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
58
0
F
03
6-
15
1