Bryant DURAPAC PLUS 581A Installation And Service Instructions Manual page 27

Table 20 — Fan Performance — 581A300 Low Heat Horizontal Discharge Units*
AIRFLOW
0.2
(Cfm)
Rpm Bhp
6,500 786 2,658
7,000 842 3,208
7,500 898 3,827
8,000 955 4,518
8,500 1012 5,284
9,000 1069 6,127
9,500 1127 7,050
10,000 1184 8,057
10,500 1242 9,149
11,000 1299 10,331
11,500 1357 11,604
12,000 — —
12,500 — —
AIRFLOW
1.2
(Cfm)
Rpm Bhp
6,500 988 3,900
7,000 1024 4,428
7,500 1063 5,031
8,000 1105 5,709
8,500 1149 6,465
9,000 1194 7,302
9,500 1242 8,222
10,000 1290 9,227
10,500 1340 10,321
11,000 1391 11,505
11,500 — —
12,000 — —
12,500 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 941-1176
High Range: 1014-1297
All other rpms require field-supplied drive.
Table 21 — Fan Performance — 581A300 Medium Heat Horizontal Discharge Units*
AIRFLOW
0.2
(Cfm)
Rpm Bhp
6,500 799 2,730
7,000 856 3,294
7,500 913 3,929
8,000 971 4,637
8,500 1029 5,421
9,000 1087 6,285
9,500 1145 7,231
10,000 1203 8,262
10,500 1261 9,381
11,000 1320 10,592
11,500 1378 11,896
12,000 — —
12,500 — —
AIRFLOW
1.2
(Cfm)
Rpm Bhp
6,500 1005 4,020
7,000 1041 4,555
7,500 1080 5,168
8,000 1122 5,862
8,500 1167 6,638
9,000 1214 7,499
9,500 1262 8,447
10,000 1312 9,482
10,500 1363 10,608
11,000 — —
11,500 — —
12,000 — —
12,500 — —
LEGEND
Bhp — Brake Horsepower Input to Fan
Watts — Input Watts to Motor
*Motor drive ranges:
Low Range: 941-1176
High Range: 1014-1297
All other rpms require field-supplied drive.
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
3.06 819 2,835 3.26
3.69 871 3,386 3.89
4.40 925 4,006 4.61
5.20 979 4,699 5.40
6.08 1034 5,466 6.29
7.05 1090 6,312 7.26
8.11 1146 7,238 8.32
9.27 1202 8,247 9.49
10.52 1258 9,344 10.75
11.88 1315 10,529 12.11
13.35 1372 11,806 13.58
— — — —
— — — —
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
4.49 1035 4,248 4.89
5.09 1066 4,760 5.48
5.79 1102 5,354 6.16
6.57 1140 6,025 6.93
7.44 1181 6,777 7.79
8.40 1225 7,608 8.75
9.46 1270 8,524 9.80
10.61 1316 9,525 10.96
11.87 1364 10,617 12.21
13.23 — — —
— — — —
— — — —
— — — —
EXTERNAL STATIC PRESSURE (in. wg)
0.4
Watts Rpm Bhp Watts
3.14 833 2,914 3.35
3.79 887 3,481 4.00
4.52 941 4,118 4.74
5.33 996 4,829 5.55
6.24 1052 5,617 6.46
7.23 1108 6,484 7.46
8.32 1165 7,433 8.55
9.50 1222 8,468 9.74
10.79 1279 9,592 11.03
12.18 1337 10,807 12.43
13.68 — — —
— — — —
— — — —
EXTERNAL STATIC PRESSURE (in. wg)
1.4
Watts Rpm Bhp Watts
4.62 1052 4,390 5.05
5.24 1084 4,908 5.64
5.94 1119 5,508 6.33
6.74 1158 6,190 7.12
7.63 1200 6,959 8.00
8.63 1244 7,813 8.99
9.72 1290 8,754 10.07
10.91 1338 9,785 11.25
12.20 1387 10,909 12.55
— — — —
— — — —
— — — —
— — — —
0.6
Rpm Bhp Watts Rpm
857 3,052 3.51 899
905 3,599 4.14 943
955 4,217 4.85 989
1007 4,908 5.65 1037
1059 5,675 6.53 1087
1113 6,521 7.50 1138
1167 7,448 8.57 1190
1221 8,460 9.73 1243
1276 9,557 10.99 1296
1332 10,745 12.36 1350
— — — —
— — — —
— — — —
1.6
Rpm Bhp Watts Rpm
1082 4,632 5.33 1129
1109 5,124 5.89 1153
1141 5,703 6.56 1181
1176 6,364 7.32 1213
1215 7,109 8.18 1249
1256 7,935 9.13 1287
1298 8,847 10.17 1328
1343 9,845 11.32 1370
1389 10,932 12.57 —
— — — —
— — — —
— — — —
— — — —
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 8.63
High Range: 11.50
0.6
Rpm Bhp Watts Rpm
872 3,135 3.61 914
921 3,699 4.25 958
972 4,335 4.99 1006
1024 5,046 5.80 1055
1078 5,835 6.71 1106
1132 6,703 7.71 1158
1187 7,655 8.80 1211
1243 8,693 10.00 1265
1299 9,820 11.29 1319
1355 11,038 12.70 1374
— — — —
— — — —
— — — —
1.6
Rpm Bhp Watts Rpm
1100 4,791 5.51 1148
1128 5,294 6.09 1172
1160 5,878 6.76 1201
1195 6,548 7.53 1233
1234 7,305 8.40 1269
1275 8,149 9.37 1308
1319 9,084 10.45 1349
1365 10,110 11.63 1392
— — — —
— — — —
— — — —
— — — —
— — — —
Refer to page 23 for general Fan Performance Data notes.
NOTE: Maximum continuous bhp is:
Low Range: 8.63
High Range: 11.50
— 27 —
0.8 1.0
Bhp Watts Rpm Bhp
3,304 3.80 943 3,586
3,847 4.42 983 4,123
4,460 5.13 1026 4,733
5,148 5.92 1070 5,416
5,912 6.80 1117 6,176
6,757 7.77 1165 7,017
7,682 8.84 1215 7,940
8,693 10.00 1266 8,948
9,791 11.26 1318 10,046
10,979 12.63 1370 11,232
— — — —
— — — —
— — — —
1.8 2.0
Bhp Watts Rpm Bhp
5,050 5.81 1177 5,499
5,521 6.35 1197 5,950
6,081 6.99 1221 6,487
6,729 7.74 1250 7,116
7,463 8.58 1283 7,838
8,282 9.53 1319 8,649
9,189 10.57 1358 9,548
10,181 11.71 1399 10,536
— — — —
— — — —
— — — —
— — — —
— — — —
0.8 1.0
Bhp Watts Rpm Bhp
3,392 3.90 958 3,687
3,950 4.54 999 4,235
4,582 5.27 1042 4,860
5,290 6.08 1088 5,562
6,077 6.99 1136 6,345
6,946 7.99 1185 7,211
7,898 9.08 1236 8,161
8,936 10.28 1288 9,199
10,065 11.58 1341 10,327
11,284 12.98 1394 11,547
— — — —
— — — —
— — — —
1.8 2.0
Bhp Watts Rpm Bhp
5,221 6.00 1195 5673
5,710 6.57 1217 6153
6,279 7.22 1242 6708
6,934 7.97 1272 7347
7,677 8.83 1304 8076
8,511 9.79 1340 8896
9,437 10.85 1379 9812
10,454 12.02 — —
— — — —
— — — —
— — — —
— — — —
— — — —
Watts
4.12
4.74
5.44
6.23
7.10
8.07
9.13
10.29
11.55
12.92
—
—
—
Watts
6.32
6.84
7.46
8.18
9.02
9.95
10.98
12.12
—
—
—
—
—
Watts
4.24
4.87
5.59
6.40
7.30
8.29
9.39
10.58
11.88
13.28
—
—
—
Watts
6.52
7.08
7.71
8.45
9.29
10.23
11.28
—
—
—
—
—
—