Bryant 581A/B Product Information Manual page 223

581A210 (18 TONS) (Medium Heat Units)*
Airflow
0.2
(Cfm)
Rpm Watts
3500 470 611
4000 511 802
4500 553 1029
5000 597 1297
5500 641 1606
6000 686 1961
6500 732 2363
7000 779 2815
7500 826 3320
8000 873 3879
8500 921 4495
581A210 (18 TONS) (Medium Heat Units)* (cont)
Airflow
1.2
(Cfm)
Rpm Watts
3500 818 1488
4000 840 1760
4500 865 2068
5000 893 2417
5500 925 2808
6000 958 3243
6500 993 3725
7000 1029 4256
7500 1067 4838
8000 1106 5474
8500 1145 6165
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 647-886 (208/230 and 460-v), 810-1072 (575-v)
High Range: 897-1139 (208/230 and 460-v), 873-1108 (575-v)
All other rpms require field-supplied drive.
PERFORMANCE DATA (cont)
FAN PERFORMANCE — VERTICAL DISCHARGE UNITS (cont)
Available External Static Pressure (in. wg)
0.4
Bhp Rpm Watts Bhp
0.70 556 791 0.91
0.92 591 1001 1.15
1.18 629 1248 1.44
1.49 669 1534 1.76
1.85 709 1862 2.14
2.26 751 2234 2.57
2.72 794 2653 3.05
3.24 837 3122 3.59
3.82 882 3642 4.19
4.46 926 4217 4.85
5.17 972 4847 5.57
Available External Static Pressure (in. wg)
1.4
Bhp Rpm Watts Bhp
1.71 874 1661 1.91
2.02 893 1948 2.24
2.38 915 2270 2.61
2.78 942 2632 3.03
3.23 971 3037 3.49
3.73 1003 3486 4.01
4.28 1036 3982 4.58
4.90 1071 4528 5.21
5.56 1107 5124 5.89
6.30 1145 5774 6.64
7.09 1183 6479 7.45
0.6
Rpm Watts Bhp Rpm
630 967 1.11 697
661 1194 1.37 725
695 1458 1.68 756
732 1761 2.03 789
770 2106 2.42 825
809 2495 2.87 862
849 2931 3.37 900
891 3416 3.93 940
933 3953 4.55 980
975 4542 5.22 1021
1019 5189 5.97 1063
1.6
Rpm Watts Bhp Rpm
927 1835 2.11 978
943 2136 2.46 992
964 2472 2.84 1011
988 2848 3.28 1033
1016 3266 3.76 1059
1045 3728 4.29 1087
1077 4238 4.87 1117
1111 4797 5.52 1150
1146 5407 6.22 1184
1182 6071 6.98 1219
1220 6790 7.81 1255
Refer to page 230 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 4.25 (208/230 and 460-v), 3.45 (575-v)
High Range: 5.75
223
0.8 1.0
Watts Bhp Rpm Watts
1141 1.31 760 1314
1383 1.59 784 1572
1663 1.91 812 1866
1982 2.28 843 2201
2343 2.70 876 2577
2749 3.16 911 2997
3201 3.68 948 3465
3702 4.26 986 3981
4254 4.89 1025 4549
4860 5.59 1065 5169
5521 6.35 1105 5846
1.8 2.0
Watts Bhp Rpm Watts
2008 2.31 1026 2182
2324 2.67 1039 2512
2673 3.07 1056 2876
3063 3.52 1076 3278
3494 4.02 1100 3721
3970 4.57 1127 4210
4492 5.17 1156 4745
5064 5.82 1187 5330
5688 6.54 1220 5967
6365 7.32 1254 6657
7098 8.16 1290 7403
Bhp
1.51
1.81
2.15
2.53
2.96
3.45
3.99
4.58
5.23
5.95
6.72
Bhp
2.51
2.89
3.31
3.77
4.28
4.84
5.46
6.13
6.86
7.66
8.51