Lennox MERIT ML180UHE045(X)E36A Installation Instructions Manual page 38

BLOWER DATA
ML180UH090E48B PERFORMANCE (Less Filter)
External
High
Static
(Black)
Pressure
in. w.g.
cfm
0.00 1783
0.10 1740
0.20 1697
0.30 1655
0.40 1624
0.50 1581
0.60 1545
0.70 1513
0.80 1472
0.90 1421
1.00 1296
ML180UH090E60C PERFORMANCE (Less Filter)
Bottom Return Air, Side Return Air from Both Sides or
Return Air from Bottom and One Side.
External
Static
Pressure
Medium-
in. w.g.
High
High
(Black)
(Brown)
cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts cfm Watts
0.00 2202 591 1912 408 1764 308 1548 228 1469 188 2173 580 1955 400 1735 293 1603 224 1431 174
0.10 2142 600 1883 412 1712 310 1534 238 1421 191 2148 593 1889 403 1707 305 1553 234 1404 185
0.20 2082 609 1854 416 1660 312 1520 248 1373 194 2123 606 1823 406 1679 317 1503 244 1377 196
2101 617 1818 424 1639 326 1492 258 1320 203 2069 613 1814 422 1638 327 1464 255 1328 207
0.30
0.40 2066 630 1794 434 1605 334 1437 267 1283 214 2065 634 1791 435 1593 337 1414 264 1268 216
2024 642 1757 445 1570 348 1388 275 1229 223 2030 645 1734 445 1548 348 1366 276 1224 228
0.50
0.60 2006 659 1729 459 1518 358 1346 288 1172 236 2000 663 1705 461 1503 360 1329 291 1156 235
0.70 1977 677 1683 470 1472 369 1304 300 1123 246 1954 681 1663 474 1461 374 1278 303 1106 245
0.80 1946 690 1653 487 1430 387 1244 314 1054 258 1928 694 1624 488 1411 385 1227 313 1045 257
0.90 1916 706 1601 499 1390 401 1190 325
1.00 1882 720 1551 511 1325 408 1134 337
Air Volume / Watts at Various Blower Speeds
Medium-High
(Brown)
Watts cfm Watts
314 1577 221
329 1528 233
344 1479 245
355 1437 260
373 1405 274
382 1376 287
400 1319 299
414 1277 308
426 1246 321
431 1197 333
404 1153 344
Air Volume / Watts at Different Blower Speeds
Medium-
Medium
Low
(Blue)
(Yellow)
Medium
(Blue)
cfm Watts
1448 183
1404 193
1360 203
1329 219
1268 225
1234 238
1197 249
1150 260
1097 270
1051 283
1010 292
Single Side Return Air − Air volumes in bold (over 1800
cfm) require Optional Return Air Base and field fabricated
transition to accommodate 20 x 25 x 1 in. air filter in order to
maintain proper air velocity.
Medium-
Low High
(Red) (Black)
(Brown)
996 269 1890 712 1576 502 1361 397 1175 324
901 281 1853 728 1541 517 1315 412 1122 335
Page 38
Medium-Low
(Yellow)
cfm Watts cfm
1394 161 1263
1348 173 1205
1302 185 1147
1262 194 1097
1215 204 1043
1175 216 996
1119 227 944
1069 238 889
1025 251 845
983 261 781
935 270 723
Medium-
Medium
High Low
(Blue)
(Yellow)
Low
(Red)
Watts
120
130
140
151
161
171
182
190
199
211
221
Low
(Red)
989 268
912 282