Bryant 579F User Manual page 120

581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
0.2
(Cfm)
Rpm Bhp
1200 643 0.23
1300 675 0.28
1400 707 0.33
1500 740 0.38
1600 773 0.45
1700 807 0.52
1800 841 0.59
1900 875 0.68
2000 910 0.77
581B048 (4 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1200 1089 0.84
1300 1113 0.92
1400 1138 1.01
1500 1163 1.10
1600 1189 1.20
1700 — —
1800 — —
1900 — —
2000 — —
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 770 to 1185 rpm. All other rpms require field-
supplied drive.
581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
0.2
(Cfm)
Rpm Bhp
1200 643 0.23
1300 675 0.28
1400 707 0.33
1500 740 0.38
1600 773 0.45
1700 807 0.52
1800 841 0.59
1900 875 0.68
2000 910 0.77
581B048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1200 1089 0.84
1300 1113 0.92
1400 1138 1.01
1500 1163 1.10
1600 1189 1.20
1700 1216 1.31
1800 1242 1.42
1900 1270 1.55
2000 1297 1.68
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS (cont)
External Static Pressure (in. wg)
0.4
Watts Rpm Bhp Watts
234 762 0.34 343
277 790 0.40 394
326 819 0.45 452
382 849 0.52 515
444 879 0.59 586
513 910 0.67 663
589 942 0.75 749
674 974 0.85 842
767 1006 0.95 944
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
837 1153 0.98 974
915 1177 1.06 1058
1000 1201 1.15 1149
1092 — — —
1191 — — —
— — — —
— — — —
— — — —
— — — —
External Static Pressure (in. wg)
0.4
Watts Rpm Bhp Watts
234 762 0.34 343
277 790 0.40 394
326 819 0.45 452
382 849 0.52 515
444 879 0.59 586
513 910 0.67 663
589 942 0.75 749
674 974 0.85 842
767 1006 0.95 944
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
837 1153 0.98 974
915 1177 1.06 1058
1000 1201 1.15 1149
1092 1226 1.25 1247
1191 1252 1.36 1353
1299 1277 1.48 1468
1414 1303 1.60 1590
1538 1330 1.73 1721
1672 1357 1.87 1862
0.6
Rpm Bhp Watts Rpm
859 0.46 458 944
886 0.52 517 969
913 0.58 581 996
941 0.66 653 1023
970 0.73 731 1050
999 0.82 817 1078
1029 0.91 910 1106
1059 1.02 1012 1135
1090 1.13 1122 —
1.6
Rpm Bhp Watts Rpm
1213 1.12 1115 —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
0.6
Rpm Bhp Watts Rpm
859 0.46 458 944
886 0.52 517 969
913 0.58 581 996
941 0.66 653 1023
970 0.73 731 1050
999 0.82 817 1078
1029 0.91 910 1106
1059 1.02 1012 1135
1090 1.13 1122 1165
1.6
Rpm Bhp Watts Rpm
1213 1.12 1115 1270
1237 1.21 1205 1293
1261 1.31 1303 1317
1285 1.41 1407 1341
1310 1.53 1520 1365
1335 1.65 1640 1390
1361 1.78 1770 1415
1387 1.92 1908 1441
1414 2.07 2055 1467
See page 107 for general fan performance notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
120
0.8 1.0
Bhp Watts Rpm Bhp
0.58 579 1020 0.71
0.65 644 1044 0.78
0.72 716 1070 0.86
0.80 795 1096 0.95
0.88 880 1123 1.04
0.98 973 1150 1.14
1.08 1074 — —
1.19 1184 — —
— — — —
1.8 2.0
Bhp Watts Rpm Bhp
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.8 1.0
Bhp Watts Rpm Bhp
0.58 579 1020 0.71
0.65 644 1044 0.78
0.72 716 1070 0.86
0.80 795 1096 0.95
0.88 880 1123 1.04
0.98 973 1150 1.14
1.08 1074 1177 1.25
1.19 1184 1205 1.37
1.31 1302 1234 1.49
1.8 2.0
Bhp Watts Rpm Bhp
1.27 1262 1324 1.42
1.36 1358 1347 1.52
1.47 1461 1370 1.63
1.58 1571 1394 1.75
1.70 1690 1418 1.87
1.83 1817 1442 2.01
1.96 1953 1467 2.15
2.11 2098 1493 2.30
2.26 2252 — —
Watts
705
777
855
941
1034
1134
—
—
—
Watts
—
—
—
—
—
—
—
—
—
Watts
705
777
855
941
1034
1134
1242
1360
1485
Watts
1413
1514
1623
1740
1865
1998
2140
2292
—