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Table 15 — 581B060 Air Delivery — Horizontal Discharge Units
AIRFLOW
(Cfm)
BELT DRIVE MOTOR
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1500 741 0.38 798 0.43 895 0.54 990 0.67 1073 0.80 1154 0.95
1600 783 0.45 838 0.51 933 0.63 1016 0.75 1102 0.90 1182 1.04
1700 825 0.53 878 0.60 969 0.72 1049 0.84 1134 1.00 1206 1.14
1800 885 0.63 942 0.73 1047 0.90 1139 1.05 1193 1.14 1276 1.30
1900 928 0.73 982 0.83 1084 1.02 1160 1.11 1223 1.24 1301 1.38
2000 971 0.84 1022 0.94 1121 1.12 1188 1.22 1254 1.36 1329 1.44
2100 1015 0.97 1063 1.10 1140 1.18 1196 1.27 1272 1.45 1354 1.58
2200 1060 1.10 1104 1.20 1159 1.23 1229 1.41 1306 1.53 1363 1.70
2300 1104 1.25 1130 1.27 1196 1.37 1264 1.56 1340 1.66 1397 1.86
2400 1138 1.30 1174 1.37 1245 1.57 1305 1.63 1373 1.84 1440 1.95
2500 1183 1.43 1201 1.50 1284 1.65 1338 1.75 1402 1.99 1469 2.04
AIRFLOW
(Cfm)
BELT DRIVE MOTOR
External Static Pressure (in. wg)
1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp
1500 1218 1.12 1295 1.36 1360 1.40
1600 1251 1.20 1310 1.40 1385 1.49
1700 1281 1.31 1342 1.48 1398 1.53
1800 1341 1.40 1413 1.55 1474 1.58
1900 1374 1.53 1437 1.62 1490 1.67
2000 1396 1.66 1460 1.68 1509 1.77
2100 1413 1.75 1475 1.73 1529 1.92
2200 1434 1.81 1487 1.85 1554 2.07
2300 1459 1.88 1520 2.07 1576 2.24
2400 1502 2.06 1552 2.24 1604 2.42
2500 1524 2.24 1585 2.42 1638 2.60
LEGEND
Bhp — Brake Horsepower Input to Fan
NOTES:
1. Boldface indicates field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive required.
3.
indicates maximum usable bhp.
4. Motor drive range is 1020 to 1460 rpm. All other rpms require a field-
supplied drive.
5. Values include losses for filters, units casing, and wet coils.
6. Maximum continuous bhp is 1.8. Extensive motor and electrical test-
ing on these units ensures that the full range of the motor can be
utilized with confidence. Using yourfan motors up to the ratings shown
will not result in nuisance tripping or premature motor failure. Unit
warranty will not be affected.
7. Use of a field-supplied motor may affect wire sizing. Contact your lo-
cal representative to verify.
8. Interpolation is permissible. Do not extrapolate.
9. Minimum allowable cfm is 300 cfm/ton.
Table 16 — 581B072 Air Delivery — Horizontal Discharge Units
AIRFLOW
(Cfm)
BELT DRIVE MOTOR
External Static Pressure (in. wg)
0.1 0.2 0.4 0.6 0.8 1.0
Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp
1800 885 0.63 942 0.73 1047 0.90 1139 1.05 1193 1.14 1276 1.30
1900 928 0.73 982 0.83 1084 1.02 1160 1.11 1223 1.24 1301 1.38
2000 971 0.84 1022 0.94 1121 1.12 1188 1.22 1254 1.36 1329 1.44
2100 1015 0.97 1063 1.10 1140 1.18 1196 1.27 1272 1.45 1354 1.58
2200 1060 1.10 1104 1.20 1159 1.23 1229 1.41 1306 1.53 1363 1.70
2300 1104 1.25 1130 1.27 1196 1.37 1264 1.56 1340 1.66 1397 1.86
2400 1138 1.30 1174 1.37 1245 1.57 1305 1.63 1373 1.84 1440 1.95
2500 1183 1.43 1201 1.50 1284 1.65 1338 1.75 1402 1.99 1469 2.04
2600 1210 1.58 1246 1.67 1312 1.76 1366 1.96 1435 2.10 1494 2.19
2700 1254 1.76 1285 1.80 1354 1.95 1403 2.14 1474 2.21 1536 2.46
2800 1274 1.82 1304 1.85 1374 2.12 1459 2.25 1514 2.42 1570 2.66
2900 1318 1.95 1345 2.05 1412 2.32 1496 2.54 1529 2.61 1603 2.87
3000 1362 2.20 1378 2.30 1451 2.40 1534 2.66 1560 2.81 1611 3.01
AIRFLOW
(Cfm)
BELT DRIVE MOTOR
External Static Pressure (in. wg)
1.2 1.4 1.6
Rpm Bhp Rpm Bhp Rpm Bhp
1800 1341 1.40 1413 1.55 1474 1.58
1900 1374 1.53 1437 1.62 1490 1.67
2000 1396 1.66 1460 1.68 1509 1.77
2100 1413 1.75 1475 1.73 1529 1.92
2200 1434 1.81 1487 1.85 1554 2.07
2300 1459 1.88 1520 2.07 1576 2.24
2400 1502 2.06 1552 2.24 1604 2.42
2500 1524 2.24 1585 2.42 1638 2.60
2600 1552 2.40 1616 2.63 1671 2.80
2700 1584 2.61 1646 2.83 1706 2.97
2800 1624 2.85 1677 2.99 — —
2900 1671 3.03 ————
3000 ——————
LEGEND
Bhp — Brake Horsepower Input to Fan
NOTES:
1. Boldface indicates field-supplied drive is required. (See Note 4.)
2. indicates field-supplied motor and drive required.
3.
indicates maximum usable bhp.
4. Motor drive range is 1120 to 1585 rpm.All other rpms require a field-
supplied drive.
5. Values include losses for filters, units casing, and wet coils.
6. Maximum continuous bhp is 2.4. Extensive motor and electrical test-
ing on these units ensures that the full range of the motor can be
utilized with confidence. Using yourfan motors up to the ratings shown
will not result in nuisance tripping or premature motor failure. Unit
warranty will not be affected.
7. Use of a field-supplied motor may affect wire sizing. Contact your lo-
cal representative to verify.
8. Interpolation is permissible. Do not extrapolate.
9. Minimum allowable cfm is 300 cfm/ton.
—27—