Bryant DURAPAC PLUS 581B Installation & Service Instructions Manual page 25

Table 12 — Fan Performance 581B036 — Vertical Discharge Units; High-Static Motor (Belt Drive)*
AIRFLOW
0.2
CFM
Rpm Bhp
900 567 0.15
1000 599 0.18
1100 632 0.22
1200 666 0.26
1300 701 0.31
1400 737 0.36
1500 773 0.42
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.
Table 13 — Fan Performance 581B048 — Vertical Discharge Units; 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
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.
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
145 688 0.22 222
177 717 0.27 265
215 747 0.31 313
257 778 0.37 367
306 810 0.43 426
361 842 0.49 491
422 875 0.57 564
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
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 — — —
— — — —
— — — —
— — — —
— — — —
— — — —
0.6
Rpm Bhp Watts Rpm
786 0.30 296 871
814 0.35 349 897
842 0.41 407 925
871 0.47 471 952
901 0.54 540 981
931 0.62 616 1010
963 0.70 699 1040
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
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
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
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 1.20.
3. See page 33 for general fan performance notes.
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0.8 1.0
Bhp Watts Rpm Bhp
0.37 368 947 0.44
0.43 430 972 0.51
0.50 498 999 0.59
0.57 572 1025 0.67
0.65 651 1053 0.76
0.74 738 1081 0.86
0.84 831 1110 0.96
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 — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
— — — —
Watts
437
509
587
670
760
856
960
Watts
765
883
1007
1137
1275
1419
1572
Watts
670
760
856
960
1070
1189
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Watts
1137
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