Bryant DURAPAC PLUS 581A User Manual download pdf (Page 19)

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Table 6 — Fan Performance — 581A210 Medium Heat Vertical Discharge Units*

LEGEND

*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.

Refer to page 23 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

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

0.2 0.4 0.6 0.8 1.0

Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp

3500 470 611 0.70 556 791 0.91 630 967 1.11 697 1141 1.31 760 1314 1.51

4000 511 802 0.92 591 1001 1.15 661 1194 1.37 725 1383 1.59 784 1572 1.81

4500 553 1029 1.18 629 1248 1.44 695 1458 1.68 756 1663 1.91 812 1866 2.15

5000 597 1297 1.49 669 1534 1.76 732 1761 2.03 789 1982 2.28 843 2201 2.53

5500 641 1606 1.85 709 1862 2.14 770 2106 2.42 825 2343 2.70 876 2577 2.96

6000 686 1961 2.26 751 2234 2.57 809 2495 2.87 862 2749 3.16 911 2997 3.45

6500 732 2363 2.72 794 2653 3.05 849 2931 3.37 900 3201 3.68 948 3465 3.99

7000 779 2815 3.24 837 3122 3.59 891 3416 3.93 940 3702 4.26 986 3981 4.58

7500 826 3320 3.82 882 3642 4.19 933 3953 4.55 980 4254 4.89 1025 4549 5.23

8000 873 3879 4.46 926 4217 4.85 975 4542 5.22 1021 4860 5.59 1065 5169 5.95

8500 921 4495 5.17 972 4847 5.57 1019 5189 5.97 1063 5521 6.35 1105 5846 6.72

AIRFLOW

(Cfm)

AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)

1.2 1.4 1.6 1.8 2.0

Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp

3500 818 1488 1.71 874 1661 1.91 927 1835 2.11 978 2008 2.31 1026 2182 2.51

4000 840 1760 2.02 893 1948 2.24 943 2136 2.46 992 2324 2.67 1039 2512 2.89

4500 865 2068 2.38 915 2270 2.61 964 2472 2.84 1011 2673 3.07 1056 2876 3.31

5000 893 2417 2.78 942 2632 3.03 988 2848 3.28 1033 3063 3.52 1076 3278 3.77

5500 925 2808 3.23 971 3037 3.49 1016 3266 3.76 1059 3494 4.02 1100 3721 4.28

6000 958 3243 3.73 1003 3486 4.01 1045 3728 4.29 1087 3970 4.57 1127 4210 4.84

6500 993 3725 4.28 1036 3982 4.58 1077 4238 4.87 1117 4492 5.17 1156 4745 5.46

7000 1029 4256 4.90 1071 4528 5.21 1111 4797 5.52 1150 5064 5.82 1187 5330 6.13

7500 1067 4838 5.56 1107 5124 5.89 1146 5407 6.22 1184 5688 6.54 1220 5967 6.86

8000 1106 5474 6.30 1145 5774 6.64 1182 6071 6.98 1219 6365 7.32 1254 6657 7.66

8500 1145 6165 7.09 1183 6479 7.45 1220 6790 7.81 1255 7098 8.16 1290 7403 8.51

Bhp — Brake Horsepower Input to Fan

Watts — Input Watts to Motor

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 55 56

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Bryant DURAPAC PLUS 581A User Manual Page 19

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