Bryant 579F User Manual page 154

581C036 (3 TONS) — HIGH-STATIC MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
900 1016 0.51
1000 1041 0.59
1100 1066 0.68
1200 1093 0.77
1300 1119 0.87
1400 1147 0.98
1500 1175 1.09
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
581C048 (4 TONS) — STANDARD 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
581C048 (4 TONS) — STANDARD 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
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 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
PERFORMANCE DATA — 581C
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
505 1080 0.57 572
587 1104 0.67 662
674 1129 0.76 759
767 1155 0.87 861
866 1181 0.98 970
972 1208 1.09 1086
1086 1235 1.22 1209
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
External Static Pressure (in. wg)
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
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
767 1155 0.87 861
866 1181 0.98 970
972 1208 1.09 1086
1086 — — —
— — — —
— — — —
— — — —
— — — —
— — — —
External Static Pressure (in. wg)
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
1.6
Rpm Bhp Watts Rpm
1139 0.64 637 1195
1163 0.74 737 1219
1188 0.85 843 1243
1213 0.96 955 1268
1239 1.08 1073 1294
1265 1.21 1199 1320
1292 1.34 1332 1346
Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
0.6
Rpm Bhp Watts Rpm
871 0.47 471 952
901 0.54 540 981
931 0.62 616 1010
963 0.70 699 1040
994 0.79 790 1070
1027 0.89 888 1101
1060 1.00 994 1133
1093 1.11 1109 —
— — — —
1.6
Rpm Bhp Watts Rpm
1213 0.96 955 1268
1239 1.08 1073 1294
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
0.6
Rpm Bhp Watts Rpm
871 0.47 471 952
901 0.54 540 981
931 0.62 616 1010
963 0.70 699 1040
994 0.79 790 1070
1027 0.89 888 1101
1060 1.00 994 1133
1093 1.11 1109 1165
1127 1.24 1233 1198
154
1.8 2.0
Bhp Watts Rpm Bhp
0.71 702 1249 0.77
0.81 811 1272 0.89
0.93 925 1296 1.01
1.05 1047 1321 1.14
1.18 1175 1346 1.28
1.32 1310 1371 1.43
1.46 1452 1397 1.58
0.8 1.0
Bhp Watts Rpm Bhp
0.57 572 1025 0.67
0.65 651 1053 0.76
0.74 738 1081 0.86
0.84 831 1110 0.96
0.94 932 1140 1.08
1.05 1040 1170 1.20
1.16 1157 — —
— — — —
— — — —
1.8 2.0
Bhp Watts Rpm Bhp
1.05 1047 1321 1.14
1.18 1175 — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.8 1.0
Bhp Watts Rpm Bhp
0.57 572 1025 0.67
0.65 651 1053 0.76
0.74 738 1081 0.86
0.84 831 1110 0.96
0.94 932 1140 1.08
1.05 1040 1170 1.20
1.16 1157 1200 1.32
1.29 1283 1231 1.46
1.42 1417 1263 1.61
Watts
765
883
1007
1137
1275
1419
1572
Watts
670
760
856
960
1070
1189
—
—
—
Watts
1137
—
—
—
—
—
—
—
—
Watts
670
760
856
960
1070
1189
1316
1453
1598