Bryant 581A Gas Heater User Manual


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PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
LEGEND See page 74 for general fan performance notes.
LEGEND
*Motor drive range: 900 to 1300 rpm. All other rpms require a field-supplied drive.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 74 for general fan performance notes.
580F060 (5 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
(Cfm)
Low Speed Medium Speed High Speed
208V 230, 460, 575 V 208 V 230, 460, 575 V 208 V 230, 460, 575 V
ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts ESP Bhp Watts
1500 0.74 0.67 750 1.06 0.71 791 1.07 0.70 782 1.27 0.76 845 1.26 0.79 875 1.33 0.85 949
1600 0.54 0.70 780 0.90 0.74 824 0.92 0.74 821 1.13 0.79 883 1.14 0.82 913 1.22 0.89 988
1700 0.34 0.73 810 0.75 0.77 857 0.77 0.77 861 1.00 0.83 921 1.01 0.85 950 1.11 0.92 1027
1800 0.14 0.75 839 0.59 0.80 891 0.62 0.81 900 0.87 0.86 959 0.89 0.88 988 1.00 0.96 1066
1900 — — — 0.44 0.83 924 0.47 0.84 940 0.74 0.90 997 0.77 0.92 1025 0.89 0.99 1105
2000 — — — 0.28 0.86 957 0.32 0.88 979 0.61 0.93 1035 0.64 0.95 1063 0.78 1.03 1144
2100 — — — 0.13 0.89 990 0.17 0.91 1018 0.48 0.96 1073 0.51 0.99 1101 0.67 1.06 1183
2200 ——————0.020.9510580.351.001111 0.39 1.02 1138 0.56 1.10 1222
2300 —————————0.221.0311490.261.0611760.451.131261
2400 —————————0.091.0711870.141.091213 0.34 1.17 1300
2500 ———————————————0.231.201340
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
580F060 (5 TONS) — THREE-PHASE, ALTERNATE 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
1500 790 0.40 353 896 0.53 470 990 0.67 599 1074 0.83 738 1151 1.00 886
1600 828 0.46 413 930 0.60 535 1021 0.75 669 1103 0.91 812 1179 1.09 965
1700 866 0.54 479 964 0.68 607 1053 0.84 746 1133 1.01 894 1207 1.18 1051
1800 905 0.62 553 1000 0.77 687 1085 0.94 831 1164 1.11 984 1236 1.29 1146
1900 944 0.71 635 1036 0.87 775 1119 1.04 924 1195 1.22 1082 1266 1.41 1248
2000 984 0.82 725 1072 0.98 871 1153 1.15 1025 1227 1.34 1189 1297 1.53 1360
2100 1024 0.93 824 1109 1.10 976 1188 1.28 1136 1260 1.47 1305 1328 1.67 1481
2200 1064 1.05 932 1147 1.23 1090 1223 1.41 1256 1294 1.61 1430 1360 1.81 1612
2300 1105 1.18 1050 1185 1.37 1215 1259 1.56 1386 1328 1.76 1566 1393 1.97 1752
2400 1146 1.33 1179 1223 1.52 1349 1295 1.72 1527 1362 1.93 1711 1426 2.14 1903
2500 1187 1.48 1317 1262 1.68 1494 1332 1.89 1677 1398 2.10 1868 1460 2.33 2065
580F060 (5 TONS) — THREE-PHASE, ALTERNATE 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
1500 1223 1.18 1045 1291 1.36 1212 1355 1.56 1388 1415 1.77 1573 1473 1.99 1765
1600 1249 1.27 1127 1316 1.46 1298 1379 1.66 1478 1439 1.87 1665 1496 2.09 1860
1700 1277 1.37 1217 1342 1.57 1392 1404 1.77 1575 1463 1.99 1766 1520 2.21 1965
1800 1305 1.48 1316 1369 1.68 1495 1430 1.89 1681 1489 2.11 1876 1545 2.34 2078
1900 1333 1.60 1423 1397 1.81 1606 1457 2.02 1797 1514 2.25 1995 —— —
2000 1363 1.73 1540 1425 1.94 1727 1484 2.16 1922 1541 2.39 2124 —— —
2100 1393 1.87 1665 1454 2.09 1857 1512 2.31 2056 —— — —— —
2200 1424 2.03 1801 1484 2.25 1997 —— — —— — —— —
2300 1455 2.19 1946 —— — —— — —— — —— —
2400 1487 2.37 2103 —— — —— — —— — —— —
2500 —— — —— — —— — —— — —— —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
580F036-151
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