Bryant 579F User Manual page 116

581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)*
Airflow
0.2
(Cfm)
Rpm Bhp
3000 616 0.79
3100 632 0.85
3200 648 0.93
3300 663 1.00
3400 679 1.09
3500 695 1.17
3600 711 1.26
3700 728 1.36
3800 744 1.46
3900 760 1.57
4000 777 1.68
4100 793 1.79
4200 810 1.92
4300 826 2.04
4400 843 2.18
4500 860 2.32
4600 876 2.46
4700 893 2.62
4800 910 2.77
4900 927 2.94
5000 944 3.11
581B120 (10 TONS) — STANDARD MOTOR (BELT DRIVE)* (cont)
Airflow
1.2
(Cfm)
Rpm Bhp
3000 939 1.79
3100 948 1.88
3200 957 1.98
3300 967 2.08
3400 977 2.19
3500 987 2.30
3600 998 2.41
3700 1008 2.54
3800 1019 2.66
3900 1031 2.79
4000 1042 2.93
4100 1054 3.07
4200 1066 3.22
4300 1078 3.38
4400 1090 3.54
4500 1103 3.70
4600 — —
4700 — —
4800 — —
4900 — —
5000 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive range: 860 to 1080 rpm. All other rpms require field-
plied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
External Static Pressure (in. wg)
0.4
Watts Rpm Bhp Watts
732 689 0.97 904
796 703 1.04 972
864 717 1.12 1045
936 731 1.20 1122
1012 745 1.29 1203
1092 760 1.38 1288
1177 774 1.48 1379
1266 789 1.58 1473
1361 804 1.69 1572
1460 819 1.80 1676
1563 834 1.91 1785
1672 850 2.04 1899
1786 865 2.16 2018
1906 880 2.30 2142
2031 896 2.44 2272
2161 912 2.58 2408
2297 927 2.73 2549
2439 943 2.89 2696
2587 959 3.06 2849
2741 975 3.23 3008
2901 991 3.40 3173
External Static Pressure (in. wg)
1.4
Watts Rpm Bhp Watts
1667 994 2.01 1874
1753 1002 2.11 1965
1844 1011 2.21 2060
1939 1020 2.32 2160
2039 1029 2.43 2264
2143 1038 2.54 2372
2251 1048 2.66 2485
2364 1058 2.79 2602
2482 1068 2.92 2725
2605 1079 3.06 2852
2733 1090 3.20 2984
2866 1101 3.35 3122
3004 1112 3.50 3264
3148 1123 3.66 3413
3297 — — —
3451 — — —
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0.6
Rpm Bhp Watts Rpm
757 1.16 1083
769 1.24 1157
782 1.32 1235
795 1.41 1316
808 1.50 1402
821 1.60 1492
834 1.70 1587
848 1.81 1686
861 1.92 1790
875 2.04 1899
889 2.16 2012
904 2.29 2132
918 2.42 2255
932 2.56 2385
947 2.70 2520
962 2.85 2660 1010
977 3.01 2807 1024
992 3.17 2958 1038
1007 3.34 3116 1053
1022 3.52 3280
1037 3.70 3451
1.6
Rpm Bhp Watts Rpm
1047 2.24 2087 1098
1054 2.34 2183 1105
1062 2.45 2283 1112
1070 2.56 2386 1119
1079 2.67 2494 1127
1088 2.80 2607 1135
1097 2.92 2724 1144
1106 3.05 2846 1152
1116 3.19 2972 1162
1126 3.33 3104 1171
1136 3.48 3241
1146 3.63 3383
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Refer to page 107 for general Fan Performance Data notes.
NOTES:
1. Boldface indicates field-supplied drive is required.
2. Maximum continuous bhp is 3.70.
sup-
116
0.8
Bhp Watts Rpm
821 1.36 1271 882
832 1.45 1349 892
843 1.53 1431 902
855 1.63 1517 912
867 1.72 1608 923
879 1.83 1703 934
891 1.93 1802 945
904 2.04 1906 957
916 2.16 2015 969
929 2.28 2128 981
942 2.41 2247 993
956 2.54 2371 1006
969 2.68 2499 1018
983 2.82 2633 1031
996 2.97 2773 1044
3.13 2918 1057
3.29 3070 1070
3.46 3226 —
3.63 3390 —
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1.8
Bhp Watts Rpm
2.47 2307 1147
2.58 2406 1153
2.69 2510 1160
2.81 2618 1167
2.93 2730 1174
3.05 2847 1181
3.18 2968 1189
3.32 3094 1198
3.46 3226 —
3.61 3362 —
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1.0
Bhp Watts
1.57 1465
1.66 1548
1.75 1635
1.85 1725
1.95 1820
2.06 1920
2.17 2024
2.29 2132
2.41 2246
2.53 2364
2.67 2487
2.80 2615
2.95 2748
3.10 2888
3.25 3032
3.41 3182
3.58 3338
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2.0
Bhp Watts
2.71 2532
2.83 2635
2.94 2743
3.06 2855
3.19 2971
3.32 3092
3.45 3218
3.59 3348
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