Bryant 579F User Manual page 42

580F048 (4 TONS) — STANDARD MOTOR (DIRECT DRIVE)
Airflow
208 V
(Cfm)
ESP Bhp
1200 0.68 0.41
1300 0.61 0.42
1400 0.53 0.45
1500 0.45 0.47
1600 0.36 0.49
1700 0.26 0.52
1800 0.15 0.54
1900 0.04 0.56
2000 —
LEGEND
Bhp — Brake Horsepower Input to Fan
ESP — External Static Pressure (in. wg)
580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)*
Airflow
0.2
(Cfm)
Rpm Bhp
1200 666 0.26
1300 701 0.31
1400 737 0.36
1500 773 0.42
1600 810 0.49
1700 847 0.57
1800 885 0.66
1900 923 0.75
2000 962 0.85
580F048 (4 TONS) — ALTERNATE MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1200 1093 0.77
1300 1119 0.87
1400 1147 0.98
1500 1175 1.09
1600 — —
1700 — —
1800 — —
1900 — —
2000 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 770 to 1175 rpm. All other rpms require a field-supplied drive.
580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)*
Airflow
0.2
(Cfm)
Rpm Bhp
1200 666 0.26
1300 701 0.31
1400 737 0.36
1500 773 0.42
1600 810 0.49
1700 847 0.57
1800 885 0.66
1900 923 0.75
2000 962 0.85
580F048 (4 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
1200 1093 0.77
1300 1119 0.87
1400 1147 0.98
1500 1175 1.09
1600 1204 1.21
1700 1233 1.34
1800 1262 1.48
1900 1293 1.63
2000 1323 1.79
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 1075 to 1455 rpm. All other rpms require a field-supplied
drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
Low Speed
230, 460, 575 V
Watts ESP
458 0.74
471 0.67
503 0.59
536 0.51
557 0.42
584 0.32
610 0.22
629 0.11
— — —
0.4
Watts Rpm Bhp Watts
257 778 0.37 367
306 810 0.43 426
361 842 0.49 491
422 875 0.57 564
491 909 0.65 643
567 943 0.73 730
652 978 0.83 826
745 1014 0.94 930
847 1049 1.05 1043
1.4
Watts Rpm Bhp Watts
767 1155 0.87 861
866 1181 0.98 970
972 1208 1.09 1086
1086 — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.4
Watts Rpm Bhp Watts
257 778 0.37 367
306 810 0.43 426
361 842 0.49 491
422 875 0.57 564
491 909 0.65 643
567 943 0.73 730
652 978 0.83 826
745 1014 0.94 930
847 1049 1.05 1043
1.4
Watts Rpm Bhp Watts
767 1155 0.87 861
866 1181 0.98 970
972 1208 1.09 1086
1086 1235 1.22 1209
1207 1263 1.35 1340
1336 1292 1.49 1480
1473 1321 1.64 1627
1620 1350 1.79 1784
1776 1380 1.96 1950
Bhp Watts ESP
0.45 506 0.74
0.46 521 0.66
0.49 556 0.59
0.52 593 0.52
0.54 616 0.45
0.57 646 0.37
0.60 674 0.30
0.62 696 0.23
— — 0.16
See page 74 for general fan performance notes.
External Static Pressure (in. wg)
0.6
Rpm Bhp Watts
871 0.47 471
901 0.54 540
931 0.62 616
963 0.70 699
994 0.79 790
1027 0.89 888
1060 1.00 994
1093 1.11 1109
— — —
External Static Pressure (in. wg)
1.6
Rpm Bhp Watts
1213 0.96 955
1239 1.08 1073
— — —
— — —
— — —
— — —
— — —
— — —
— — —
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 74 for general fan performance notes.
External Static Pressure (in. wg)
0.6
Rpm Bhp Watts
871 0.47 471
901 0.54 540
931 0.62 616
963 0.70 699
994 0.79 790
1027 0.89 888
1060 1.00 994
1093 1.11 1109
1127 1.24 1233
External Static Pressure (in. wg)
1.6
Rpm Bhp Watts
1213 0.96 955
1239 1.08 1073
1265 1.21 1199
1292 1.34 1332
1320 1.48 1472
1348 1.63 1622
1376 1.79 1779
1405 1.96 1946
1434 2.13 2123
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.
42
High Speed
208 V 230, 460, 575 V
Bhp Watts ESP
0.51 572 0.85
0.52 589 0.78
0.54 616 0.70
0.56 631 0.63
0.58 654 0.56
0.60 678 0.48
0.62 698 0.41
0.64 720 0.34
0.66 744 0.26
0.8
Rpm Bhp Watts Rpm
952 0.57 572 1025
981 0.65 651 1053
1010 0.74 738 1081
1040 0.84 831 1110
1070 0.94 932 1140
1101 1.05 1040 1170
1133 1.16 1157 —
— — — —
— — — —
1.8
Rpm Bhp Watts Rpm
1268 1.05 1047 1321
1294 1.18 1175 —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.8
Rpm Bhp Watts Rpm
952 0.57 572 1025
981 0.65 651 1053
1010 0.74 738 1081
1040 0.84 831 1110
1070 0.94 932 1140
1101 1.05 1040 1170
1133 1.16 1157 1200
1165 1.29 1283 1231
1198 1.42 1417 1263
1.8
Rpm Bhp Watts Rpm
1268 1.05 1047 1321
1294 1.18 1175 1346
1320 1.32 1310 1371
1346 1.46 1452 1397
1373 1.61 1603 1424
1401 1.77 1762 1451
1428 1.94 1930 1479
1457 2.12 2106 1506
1486 2.31 2293 —
Bhp Watts
0.56 632
0.58 651
0.60 681
0.62 698
0.64 723
0.66 750
0.68 772
0.70 796
0.73 823
1.0
Bhp Watts
0.67 670
0.76 760
0.86 856
0.96 960
1.08 1070
1.20 1189
— —
— —
— —
2.0
Bhp Watts
1.14 1137
— —
— —
— —
— —
— —
— —
— —
— —
1.0
Bhp Watts
0.67 670
0.76 760
0.86 856
0.96 960
1.08 1070
1.20 1189
1.32 1316
1.46 1453
1.61 1598
2.0
Bhp Watts
1.14 1137
1.28 1275
1.43 1419
1.58 1572
1.74 1732
1.91 1901
2.09 2078
2.28 2265
— —