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Table 10 — Fan Performance — 581A240360 (High Heat Units)
LEGEND
*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 and 575-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.
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
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.
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
6,000
868 2752 3.26 934 2987 3.54 997 3227 3.83 1058 3470 4.12 1115 3716 4.41
6,500
929 3201 3.80 991 3436 4.08 1051 3675 4.36 1108 3917 4.65 1162 4163 4.94
7,000
991 3687 4.37 1049 3923 4.65 1105 4161 4.94 1159 4403 5.22 1211 4647 5.51
7,500
1054 4211 5.00 1109 4447 5.28 1161 4686 5.56 1213 4926 5.84 1262 5170 6.13
8,000
1117 4773 5.66 1168 5009 5.94 1218 5247 6.22 1267 5488 6.51 1314 5731 6.80
8,500
1180 5373 6.37 1229 5609 6.65 1277 5847 6.94 1323 6088 7.22 1368 6331 7.51
9,000
1244 6011 7.13 1290 6247 7.41 1335 6485 7.69 1380 6726 7.98 1423 6968 8.27
9,500
1308 6687 7.93 1352 6924 8.21 1395 7162 8.50 1437 7402 8.78 1479 7644 9.07
10,000
1372 7401 8.78 1414 7638 9.06 1455 7876 9.34 1496 8117 9.63 1535 8358 9.92
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
6,000
1171 3965 4.70 1224 4216 5.00 1276 4469 5.30 1326 4726 5.61 1374 4983 5.91
6,500
1215 4410 5.23 1266 4659 5.53 1316 4911 5.83 1364 5165 6.13 1411 5421 6.43
7,000
1262 4894 5.81 1311 5142 6.10 1358 5392 6.40 1404 5645 6.70 1449 5899 7.00
7,500
1310 5415 6.42 1357 5663 6.72 1403 5912 7.01 1447 6164 7.31 1490 6416 7.61
8,000
1360 5976 7.09 1405 6222 7.38 1449 6471 7.68 1492 6721 7.97 1533 6973 8.27
8,500
1412 6575 7.80 1455 6821 8.09 1497 7068 8.39 1538 7318 8.68 — — —
9,000
1465 7212 8.56 1506 7457 8.85 1547 7705 9.14 — — — — — —
9,500
151978889.36————————————
10,000
———————————————
CFM
AVAILABLE EXTERNAL STATIC PRESSURE (in. wg)
2.2 2.4 2.6 2.8 3.0
Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp Rpm Watts Bhp
6,000
1422 5243 6.22 1468 5505 6.53 1513 5768 6.84
——————
6,500
1456 5679 6.74 1501 5938 7.04 1544 6199 7.35 — — — — — —
7,000
1493 6155 7.30 1536 6412 7.61 — — — — — — — — —
7,500
1533 6670 7.91 — — — — — — — — — — — —
8,000
———————————————
8,500
———————————————
9,000
———————————————
9,500
———————————————
10,000
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Bhp —
Brake Horsepower
FIOP —
Factory-Installed Option
Watts —
Input Watts to Motor