Bryant DURAPAC PLUS 581B Installation & Service Instructions Manual page 26

Table 14 — Fan Performance 581B048 — Vertical Discharge Units; 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
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
Watts — Input Watts to Motor
*Motor drive range: 1075 to 1455 rpm. All other rpms require field-
supplied drive.
Table 15 — Fan Performance 581B060, Single-Phase — Vertical Discharge Units;
AIRFLOW
0.2
CFM
Rpm Bhp
1500 848 0.42
1600 887 0.49
1700 927 0.57
1800 967 0.65
1900 1007 0.75
2000 1048 0.85
2100 1090 0.97
2200 1131 1.09
2300 1173 1.23
2400 — —
2500 — —
AIRFLOW
1.2
CFM
Rpm Bhp
1500 1312 1.07
1600 1342 1.18
1700 1374 1.30
1800 — —
1900 — —
2000 — —
2100 — —
2200 — —
2300 — —
2400 — —
2500 — —
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 1035 to 1460 rpm. All other rpms require field-
supplied drive.
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 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
Standard Motor (Belt Drive)*
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
371 968 0.55 486
433 1004 0.63 556
502 1040 0.71 633
579 1077 0.81 718
663 1115 0.91 811
757 1153 1.03 913
859 1191 1.15 1023
970 1230 1.29 1143
1091 — — —
— — — —
— — — —
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
948 1380 1.20 1067
1047 — — —
1153 — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
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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
1.6
Rpm Bhp Watts Rpm
1213 0.96 955 1268
1239 1.08 1073 1294
1265 1.21 1199 1320
1292 1.34 1332 1346
1320 1.48 1472 1373
1348 1.63 1622 1401
1376 1.79 1779 1428
1405 1.96 1946 1457
1434 2.13 2123 1486
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See page 33 for general fan performance notes.
0.6
Rpm Bhp Watts Rpm
1069 0.68 600 1158
1103 0.76 678 1190
1137 0.86 763 1223
1172 0.96 856 1257
1208 1.08 957 1291
1244 1.20 1066 —
— — — —
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1.6
Rpm Bhp Watts Rpm
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.30.
3. See page 33 for general fan performance notes.
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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
1.8 2.0
Bhp Watts Rpm Bhp
1.05 1047 1321 1.14
1.18 1175 1346 1.28
1.32 1310 1371 1.43
1.46 1452 1397 1.58
1.61 1603 1424 1.74
1.77 1762 1451 1.91
1.94 1930 1479 2.09
2.12 2106 1506 2.28
2.31 2293 — —
0.8 1.0
Bhp Watts Rpm Bhp
0.80 715 1238 0.94
0.90 800 1269 1.04
1.00 892 1302 1.15
1.12 993 1334 1.27
1.24 1101 — —
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— — — —
1.8 2.0
Bhp Watts Rpm Bhp
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
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Watts
670
760
856
960
1070
1189
1316
1453
1598
Watts
1137
1275
1419
1572
1732
1901
2078
2265
—
Watts
831
922
1022
1130
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