![Manual background](/images/new-backgrounds/46010/46010125x1.webp)
Performance (90Ton)
Data
Table
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| Total Static Pressure |
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Std. | 6.250 |
| 6.500 |
| 6.750 |
| 7.000 | 7.250 | 7.500 |
| 7.750 |
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Air | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | RPM | BHP | ||
27000 | 1416 | 43.47 | 1440 | 45.34 | 1467 | 47.44 | 1492 | 49.40 | 1516 | 51.32 | 1540 | 53.35 |
| 1562 | 55.17 |
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28000 | 1420 | 44.66 | 1444 | 46.52 | 1472 | 48.74 | 1497 | 50.83 | 1520 | 52.76 | 1544 | 54.79 |
| 1568 | 56.92 |
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29000 | 1424 | 45.81 | 1450 | 47.90 | 1474 | 49.87 | 1499 | 51.95 | 1524 | 54.15 | 1547 | 56.17 |
| 1573 | 58.46 |
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30000 | 1428 | 46.91 | 1453 | 49.00 | 1479 | 51.22 | 1503 | 53.30 | 1528 | 55.49 | 1552 | 57.66 |
| 1577 | 59.94 |
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31000 | 1434 | 48.20 | 1459 | 50.30 | 1484 | 52.52 | 1508 | 54.60 | 1532 | 56.79 | 1557 | 59.10 |
| 1579 | 61.23 |
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32000 | 1442 | 49.55 | 1464 | 51.55 | 1489 | 53.77 | 1512 | 55.85 | 1538 | 58.33 | 1559 | 60.35 |
| 1584 | 62.78 |
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33000 | 1451 | 51.09 | 1473 | 53.11 | 1496 | 55.23 | 1518 | 57.33 | 1541 | 59.53 | 1565 | 61.85 |
| 1589 | 64.28 |
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34000 | 1461 | 52.70 | 1482 | 54.63 | 1506 | 56.90 | 1527 | 59.03 | 1550 | 61.26 | 1570 | 63.29 |
| 1594 | 65.73 |
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35000 | 1471 | 54.27 | 1491 | 56.22 | 1515 | 58.53 | 1536 | 60.68 | 1558 | 62.93 | 1578 | 64.99 |
| 1601 | 67.45 |
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36000 | 1482 | 55.91 | 1503 | 58.03 | 1523 | 60.10 | 1544 | 62.28 | 1566 | 64.55 | 1589 | 66.93 |
| 1609 | 69.11 |
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37000 | 1494 | 57.77 | 1514 | 59.79 | 1534 | 61.91 | 1555 | 64.11 | 1576 | 66.42 | 1597 | 68.68 |
| 1618 | 71.04 |
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38000 | 1505 | 59.46 | 1527 | 61.78 | 1547 | 63.94 | 1568 | 66.19 | 1586 | 68.24 | 1608 | 70.69 |
| 1627 | 72.92 |
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39000 | 1518 | 61.37 | 1540 | 63.74 | 1560 | 65.94 | 1579 | 68.09 | 1598 | 70.33 | 1617 | 72.50 |
| 1638 | 74.92 |
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40000 | 1533 | 63.50 | 1552 | 65.66 | 1572 | 67.90 | 1592 | 70.24 | 1610 | 72.37 | 1629 | 74.58 |
| 1649 | 77.03 |
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41000 | 1547 | 65.62 | 1566 | 67.82 | 1585 | 69.97 | 1603 | 72.20 | 1624 | 74.68 | 1642 | 76.94 |
| 1661 | 79.28 |
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42000 | 1561 | 67.70 | 1580 | 69.96 | 1598 | 72.15 | 1617 | 74.44 | 1635 | 76.65 | 1654 | 79.10 |
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43000 | 1576 | 69.89 | 1593 | 72.06 | 1613 | 74.46 | 1630 | 76.64 | 1650 | 79.22 |
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44000 | 1591 | 72.20 | 1609 | 74.43 | 1628 | 76.89 | 1645 | 79.12 |
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45000 | 1607 | 74.63 | 1625 | 76.92 | 1643 | 79.30 |
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Notes:
1.Shaded areas indicate
2.Supply fan performance table includes internal resistance of rooftop. For total static pressure determination, system external static must be added to appropriate component static pressure drops, (evaporator coil, filters, optional economizer, optional heating system, optional roof curb).
3.Maximum static pressure leaving the rooftop is 4.0’’ H20 positive. The static pressure drops from the supply fan to the space cannot exceed 4.0’’ H20.
4.Minimum motor horsepower is 30 hp.
5.See
Figure
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| 7 | 1500 | RPM |
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| 6 | 1400 |
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w.c. |
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Inches |
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Presure, |
| 1200 | RPM |
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Static |
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3 | 1000 | RPM |
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| 900 RP | M |
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| 10000 | 20000 | 30000 |
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| 40000 |
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| 50000 |
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| 60000 |
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| CFM |
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Note:
1. Important: Maximum static pressure leaving the rooftop is 4.0” H2O positive. The static pressure drops from the supply fan to the space cannot exceed 4.0” H2O.
63 |