Troubleshooting Guide

5.�
BLOWER DATA
9
[!] Required 350-450CFM/ton range.
[!] CFM means Standard Cubic Foot per Hour.
[!] Airflow based upon Air Handler Unit operates at 230V
with no electric heater kit and no filter. Airflow at 208V is
approximately the same as 230V.
[!] When there is an electric heater, please set the fan
speed based on the air volume that the electric
heater needs (not less than 350CFM/TON).
Air Flow Table
Air Flow Table
Air
Handler
Model
Motor S
peed
External Static Pressure
in.H2O[KPa]
0[0] 0.1[0.02] 0.3[0.07] 0.4[0.1]
0.5[0.12] 0.6[0.15] 0.7[0.17] 0.8[0.20]
48K
Tap(1)
-Default
Setting
CFM
1756 1701
1626 1579 1520 1468 1425 1386 1346
Watts
348 357 369 378 387 395 407 410 424
Tap(2)
CFM
1799 1746 1678 1634 1571 1522 1449 1402 1241
Watts
366 377 388 398 410 419 428 444 440
Tap(3)
CFM
1828 1794 1749 1719 1670 1633 1589 1553 1510
Watts
376 387 401 413 428 437 452 465 482
Tap(4)
CFM
1888 1855 1813 1782 1735 1701 1665 1626 1585
Watts
415 428 445 456 469 481 495 510 525
0.18[0.045]
Air
Handler
Model
Motor Speed
External Static Pressure
in.H2O[KPa]
0[0] 0.1[0.02] 0.18[0.045] 0.3[0.07] 0.4[0.1] 0.5[0.12] 0.6[0.15] 0.7[0.17] 0.8[0.20]
60K
Tap(1)
-Default
Setting
CFM
1838 1810 1770 1760 1670 1633 1589 1553 1510
Watts
376 387 401 413 428 437 452 465 482
Tap(2)
CFM
1888 1855 1813 1782 1751 1701 1665 1626 1585
Watts
415 428 445 456 469 481 495 510 525
Tap(3)
CFM
1971 1941 1893 1864 1820 1786 1755 1718 1673
Watts
472 485 501 513 530 540 558 568 586
Tap(4)
CFM
2056 2022 1978 1950 1907 1878 1826 1801 1750
Watts
533 545 562 575 592 603 619 631 638