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EL280UH090E48B PERFORMANCE (Less Filter)
External 
Static 
Pressure 
in. w.g.
Air Volume / Watts at Various Blower Speeds
High 
(Black)
Medium-High 
(Brown)
Medium 
(Blue)
Medium-Low 
(Yellow)
Low 
(Red)
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.00  1800   370   1555   260   1425   207   1370   172   1240   131 
0.10  1765   381   1525   272   1390   218   1320   184   1190   144 
0.20  1725   397   1485   283   1350   229   1255   195   1130   157 
0.30  1685   416   1450   296   1310   241   1205   206   1075   165 
0.40  1635   425   1390   312   1260   250   1165   217   1015   174 
0.50  1600   438   1350   322   1205   263   1100   230   955   185 
0.60  1560   453   1300   332   1140   270   1050   239   905   193 
0.70  1520   467   1255   344   1110   284   1000   249   840   202 
0.80  1470   474   1215   352   1050   294   935   258   765   211 
EL280UH110E48C PERFORMANCE (Less Filter)
External 
Static 
Pressure 
in. w.g.
Air Volume / Watts at Various Blower Speeds
High 
(Black)
Medium-High 
(Brown)
Medium 
(Blue)
Medium-Low 
(Yellow)
Low 
(Red)
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.00  1780  349  1570  248  1465  190  1370  169 1250  131
0.10 1750 365 1540 260 1420 205 1330 177 1205 140
0.20 1720 382 1500 271 1365 220 1280 187 1155 150
0.30 1675 397 1460 279 1330 228 1250 197 1110 159
0.40 1645 407 1415 291 1290 241 1200 211 1070 166
0.50 1605 424 1395 307 1250 249 1165 219 1015 177
0.60 1580 432 1345 316 1205 258 1105 228 960 186
0.70 1565 448 1300 328 1165 271 1060 237 915 194
0.80 1525 449 1270 339 1125 283 1025 246 865 203
EL280UH110E60C PERFORMANCE (Less Filter)
External 
Static 
Pressure 
in. w.g.
Air Volume / Watts at Dierent Blower Speeds
Bottom Return Air, Side Return Air from Both Sides or 
Return Air from Bottom and One Side.  
Single Side Return Air - Air volumes in bold (over 
1800 cfm) require Optional Return Air Base and eld 
fabricated transition to accommodate 20 x 25 x 1 in. air 
lter in order to maintain proper air velocity.  
High 
(Black)
Medium-
High 
(Brown)
Medium 
(Blue)
Medium-
Low 
(Yellow)
Low 
(Red)
High 
(Black)
Medium-
High 
(Brown)
Medium 
(Blue)
Medium-
Low 
(Yellow)
Low 
(Red)
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.00 2175 590 2050 410 1850 310 1695 275 1510 195 2175 605 1930 420 1785 320 1675 260 1500 195
0.10 2158 607 1943 421 1778 328 1650 283 1461 205 2129 628 1892 441 1733 345 1627 288 1458 209
0.20 2131 620 1897 436 1719 345 1591 299 1405 215 2091 649 1838 458 1691 360 1586 297 1407 220
0.30 2085 639 1847 456 1678 354 1563 308 1351 228 2072 660 1806 471 1631 371 1529 313 1353 232
0.40 2055 652 1806 466 1641 371 1499 317 1297 238 2014 677 1772 485 1591 385 1485 327 1302 243
0.50 2030 668 1767 476 1588 387 1462 333 1256 254 1977 690 1742 498 1554 395 1444 337 1252 256
0.60 1976 686 1724 495 1550 399 1419 348 1215 265 1960 707 1696 511 1511 410 1412 348 1204 265
0.70 1949 700 1685 510 1512 408 1371 357 1168 271 1913 720 1661 525 1480 424 1351 359 1149 274
0.80 1896 716 1649 527 1473 419 1332 372 1121 287 1873 738 1617 538 1440 437 1313 371 1117 285