Bryant 581A Heating System User Manual


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Table 9 — Fan Performance — 581A240 Medium Heat Vertical Discharge Units*
LEGEND
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63
Table 10 — Fan Performance — 581A240 High Heat Vertical Discharge Units*
LEGEND
*Motor drive ranges:
Low Range: 949-1206
High Range: 941-1176
All other rpms require field-supplied drive.
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 5.75
High Range: 8.63
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
5,000 607 1329 1.53 677 1565 1.80 740 1791 2.06 797 2013 2.31 850 2231 2.57
5,500 652 1648 1.90 719 1902 2.19 779 2145 2.47 833 2382 2.74 884 2616 3.01
6,000 699 2013 2.32 763 2285 2.63 819 2545 2.93 872 2798 3.22 921 3046 3.50
6,500 746 2428 2.79 807 2716 3.12 861 2993 3.44 911 3262 3.75 958 3525 4.05
7,000 794 2895 3.33 851 3198 3.68 904 3491 4.02 952 3776 4.34 998 4055 4.66
7,500 842 3415 3.93 897 3735 4.30 947 4043 4.65 994 4343 5.00 1038 4637 5.33
8,000 891 3992 4.59 943 4327 4.98 991 4650 5.35 1036 4966 5.71 1079 5274 6.07
8,500 940 4628 5.32 990 4977 5.72 1036 5316 6.11 1080 5646 6.49 1121 5970 6.87
9,000 990 5325 6.12 1037 5688 6.54 1082 6042 6.95 1124 6386 7.35 1163 6724 7.73
9,500 1039 6085 7.00 1085 6462 7.43 1128 6829 7.85 1168 7188 8.27 1207 7541 8.67
10,000 1089 6911 7.95 1133 7301 8.40 1174 7682 8.83 1213 8055 9.26 1251 8421 9.69
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
5,000 900 2448 2.82 949 2664 3.06 995 2879 3.31 1040 3095 3.56 1083 3310 3.81
5,500 933 2847 3.27 979 3077 3.54 1023 3305 3.80 1066 3534 4.06 1108 3762 4.33
6,000 967 3292 3.79 1011 3535 4.07 1054 3778 4.35 1095 4019 4.62 1135 4260 4.90
6,500 1003 3785 4.35 1046 4043 4.65 1087 4298 4.94 1127 4553 5.24 1165 4806 5.53
7,000 1041 4330 4.98 1082 4601 5.29 1122 4870 5.60 1160 5138 5.91 1197 5404 6.22
7,500 1079 4926 5.67 1119 5212 5.99 1158 5495 6.32 1195 5776 6.64 1231 6055 6.96
8,000 1119 5578 6.42 1158 5878 6.76 1195 6174 7.10 1231 6468 7.44 1267 6761 7.78
8,500 1160 6288 7.23 1198 6601 7.59 1234 6912 7.95 1269 7219 8.30 1303 7524 8.65
9,000 1202 7056 8.12 1238 7384 8.49 1273 7708 8.87 1308 8029 9.23 1341 8347 9.60
9,500 1244 7887 9.07 1279 8228 9.46 1314 8566 9.85 1347 8900 10.24 1379 9231 10.62
10,000 1287 8781 10.10 1321 9137 10.51 1355 9488 10.91 1387 9836 11.31 — — —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
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
5,000 607 1329 1.53 677 1565 1.80 740 1791 2.06 797 2013 2.31 850 2231 2.57
5,500 652 1648 1.90 719 1902 2.19 779 2145 2.47 833 2382 2.74 884 2616 3.01
6,000 699 2013 2.32 763 2285 2.63 819 2545 2.93 872 2798 3.22 921 3046 3.50
6,500 746 2428 2.79 807 2716 3.12 861 2993 3.44 911 3262 3.75 958 3525 4.05
7,000 794 2895 3.33 851 3198 3.68 904 3491 4.02 952 3776 4.34 998 4055 4.66
7,500 842 3415 3.93 897 3735 4.30 947 4043 4.65 994 4343 5.00 1038 4637 5.33
8,000 891 3992 4.59 943 4327 4.98 991 4650 5.35 1036 4966 5.71 1079 5274 6.07
8,500 940 4628 5.32 990 4977 5.72 1036 5316 6.11 1080 5646 6.49 1121 5970 6.87
9,000 990 5325 6.12 1037 5688 6.54 1082 6042 6.95 1124 6386 7.35 1163 6724 7.73
9,500 1039 6085 7.00 1085 6462 7.43 1128 6829 7.85 1168 7188 8.27 1207 7541 8.67
10,000 1089 6911 7.95 1133 7301 8.40 1174 7682 8.83 1213 8055 9.26 1251 8421 9.69
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
5,000 900 2448 2.82 949 2664 3.06 995 2879 3.31 1040 3095 3.56 1083 3310 3.81
5,500 933 2847 3.27 979 3077 3.54 1023 3305 3.80 1066 3534 4.06 1108 3762 4.33
6,000 967 3292 3.79 1011 3535 4.07 1054 3778 4.35 1095 4019 4.62 1135 4260 4.90
6,500 1003 3785 4.35 1046 4043 4.65 1087 4298 4.94 1127 4553 5.24 1165 4806 5.53
7,000 1041 4330 4.98 1082 4601 5.29 1122 4870 5.60 1160 5138 5.91 1197 5404 6.22
7,500 1079 4926 5.67 1119 5212 5.99 1158 5495 6.32 1195 5776 6.64 1231 6055 6.96
8,000 1119 5578 6.42 1158 5878 6.76 1195 6174 7.10 1231 6468 7.44 1267 6761 7.78
8,500 1160 6288 7.23 1198 6601 7.59 1234 6912 7.95 1269 7219 8.30 1303 7524 8.65
9,000 1202 7056 8.12 1238 7384 8.49 1273 7708 8.87 1308 8029 9.23 1341 8347 9.60
9,500 1244 7887 9.07 1279 8228 9.46 1314 8566 9.85 1347 8900 10.24 1379 9231 10.62
10,000 1287 8781 10.10 1321 9137 10.51 1355 9488 10.91 1387 9836 11.31 — — —
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
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