Bryant 581C024--060 - Manual (Page 30)

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Table 18—Fan Performance 581B 048, 581C 048 — Vertical Discharge Units; Standard Motor
(Belt Drive)*
AIRFLOW EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW
CFM
0.2 0.4 0.6 0.8 1.0
CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 666 0.26 257 778 0.37 367 871 0.47 471 952 0.57 572 1025 0.67 670
1300 701 0.31 306 810 0.43 426 901 0.54 540 981 0.65 651 1053 0.76 760
1400 737 0.36 361 842 0.49 491 931 0.62 616 1010 0.74 738 1081 0.86 856
1500 773 0.42 422 875 0.57 564 963 0.70 699 1040 0.84 831 1110 0.96 960
1600 810 0.49 491 909 0.65 643 994 0.79 790 1070 0.94 932 1140 1.08 1070
1700 847 0.57 567 943 0.73 730 1027 0.89 888 1101 1.05 1040 1170 1.20 1189
1800 885 0.66 652 978 0.83 826 1060 1.00 994 1133 1.16 1157 — — —
1900 923 0.75 745 1014 0.94 930 1093 1.11 1109 — — — — — —
2000 962 0.85 847 1049 1.05 1043 — — — — — — — — —
AIRFLOW EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW
CFM
1.2 1.4 1.6 1.8 2.0
CFM Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts Rpm Bhp Watts
1200 1093 0.77 767 1155 0.87 861 1213 0.96 955 1268 1.05 1047 1321 1.14 1137
1300 1119 0.87 866 1181 0.98 970 1239 1.08 1073 1294 1.18 1175 — — —
1400 1147 0.98 972 1208 1.09 1086 — — — — — — — — —
1500 1175 1.09 1086 — — — — — — — — — — — —
1600 — — — — — — — — — — — — — — —
1700 — — — — — — — — — — — — — — —
1800 — — — — — — — — — — — — — — —
1900 — — — — — — — — — — — — — — —
2000 — — — — — — — — — — — — — — —
NOTES:
1. Grey cells indicate field-supplied drive is required.
2. Maximum continuous bhp is 2.40.
3. See general fan performance notes.
LEGEND
Bhp — Brake Horsepower
Watts — Input Watts to Motor
*Motor drive range: 770 to 1185 rpm. All other rpms require field-supplied drive.
581B
,C