Bryant 579F User Manual page 158

581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
900 1019 0.64
1000 1042 0.70
1100 1065 0.77
1200 1089 0.84
1300 1113 0.92
1400 1138 1.01
1500 1163 1.10
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
581C048 (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
581C048 (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.
581C048 (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
PERFORMANCE DATA — 581C
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
640 1084 0.76 760
700 1107 0.83 825
765 1130 0.90 896
837 1153 0.98 974
915 1177 1.06 1058
1000 1201 1.15 1149
1092 1226 1.25 1247
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
1.6
Rpm Bhp Watts Rpm
1146 0.89 885 1203
1168 0.96 956 1225
1190 1.04 1032 1247
1213 1.12 1115 1270
1237 1.21 1205 1293
1261 1.31 1303 1317
1285 1.41 1407 1341
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
See page 107 for general fan performance notes.
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
158
1.8 2.0
Bhp Watts Rpm Bhp
1.02 1016 1258 1.16
1.10 1091 1279 1.24
1.18 1173 1301 1.33
1.27 1262 1324 1.42
1.36 1358 1347 1.52
1.47 1461 1370 1.63
1.58 1571 1394 1.75
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
Watts
1152
1232
1319
1413
1514
1623
1740
Watts
705
777
855
941
1034
1134
—
—
—
Watts
—
—
—
—
—
—
—
—
—
Watts
705
777
855
941
1034
1134
1242
1360
1485