Bryant 581A Installation And Service Instructions Manual page 18

CFM 0.2
Rpm Watts
6,000 824 2607
6,500 881 3030
7,000 939 3488
7,500 998 3982
8,000 1056 4512
8,500 1116 5077
1175 5678
9,000
1235 6315
9,500
10,000 1295 6988
CFM 1.2
Rpm Watts
6,000 1141 3829
6,500 1181 4247
7,000 1223 4702
1267 5194
7,500
8,000 1313 5721
1360 6285
8,500
9,000 1408 6885
1458 7521
9,500
10,000 1508 8193
CFM 2.2
Rpm Watts
6,000 1399 5118
6,500 1429 5527
1462 5974
7,000
7,500 1498 6459
1535 6981
8,000
8,500 — —
— —
9,000
9,500 — —
10,000 — —
LEGEND
Bhp — Brake Horsepower
FIOP — Factory-Installed Option
Watts — Input Watts to Motor
*Standard low-medium static drive range is 1002 to 1151 rpm. Alternate
high-static drive range is 1193 to 1369. Other rpms require a field-
supplied drive.
NOTES:
1. Maximum continuous bhp for the standard motor is 9.47 (for 208-v
units) and 10.33 (for 230 and 460-v units). The maximum continuous
watts is 7915 (for 208-v units) and 8640 (for 230 and 460-v units).
Do not adjust motor rpm such that motor maximum bhp and/or watts
is exceeded at the maximum operating cfm.
Table 6 — Fan Performance — 581A240270 (Low Heat Units)
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
0.4
Bhp Rpm Watts Bhp
3.09 894 2844 3.37
3.59 947 3266 3.88
4.14 1001 3725 4.42
4.72 1055 4218 5.00
5.35 1111 4748 5.63
6.02 1167 5314 6.30
6.74 1224 5915 7.02
7.49 1282 6552 7.77
8.29 1340 7225 8.57
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
1.4
Bhp Rpm Watts Bhp
4.54 1196 4082 4.84
5.04 1234 4499 5.34
5.58 1274 4953 5.88
6.16 1316 5443 6.46
6.79 1359 5970 7.08
7.46 1405 6533 7.75
8.17 1451 7132 8.46
8.92 1499 7768 9.22
9.72 1549 8440 10.01
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.4
Bhp Rpm Watts Bhp
6.07 1446 5381 6.38
6.56 1475 5789 6.87
7.09 1507 6234 7.40
7.66 1540 6717 7.97
8.28 — — —
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0.6
Rpm Watts Bhp Rpm
961 3085 3.66 1023
1009 3507 4.16 1069
1060 3965 4.70 1116
1111 4458 5.29 1165
1164 4988 5.92 1215
1218 5553 6.59 1266
1272 6154 7.30 1319
1327 6791 8.06 1372
1383 7465 8.86 1426
1.6
Rpm Watts Bhp Rpm
1249 4337 5.15 1301
1285 4753 5.64 1334
1323 5205 6.18 1371
1363 5694 6.76 1409
1405 6220 7.38 1449
1449 6783 8.05 1491
1494 7381 8.76 1535
1540 8016 9.51 —
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2.6
Rpm Watts Bhp Rpm
1492 5647 6.70 1537
1520 6052 7.18 —
1550 6495 7.71 —
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2. Static pressure losses (i.e., economizer) must be added to external
static pressure before entering Fan Performance table.
3. Interpolation is permissible. Do not extrapolate.
4. Fan performance is based on wet coils, clean filters, and
casing losses. See Table 13 for accessory/FIOP static pressure
information.
5. Extensive motor and drive testing on these units ensures that the full
bhp and watts range of the motor can be utilized with confidence.
Using your fan motors up to the watts or bhp rating shown will not
result in nuisance tripping or premature motor failure. Unit warranty
will not be affected.
6. Use of a field-supplied motor may affect wiring size. Contact your
Bryant representative for details.
—18—
0.8 1.0
Watts Bhp Rpm Watts
3330 3.95 1083 3578
3751 4.45 1126 3998
4208 4.99 1170 4454
4701 5.58 1217 4946
5230 6.20 1264 5474
5795 6.87 1314 6039
6395 7.59 1364 6639
7033 8.34 1415 7276
7706 9.14 1468 7949
1.8 2.0
Watts Bhp Rpm Watts
4596 5.45 1351 4856
5009 5.94 1383 5267
5460 6.48 1417 5716
5947 7.06 1454 6202
6472 7.68 1493 6726
7034 8.34 1533 7286
7631 9.05 — —
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2.8 3.0
Watts Bhp Rpm Watts
5914 7.02 — —
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Bhp
4.24
4.74
5.28
5.87
6.49
7.16
7.88
8.63
9.43
Bhp
5.76
6.25
6.78
7.36
7.98
8.64
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Bhp
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