Lennox SL280DF070V36A, Unit Information

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Page 5
BLOWER DATA
SL280DF090V60C BLOWER PERFORMANCE (less filter)
0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range
HEATING
1
Heating Speed
DIP Switch
Settings
First Stage Heating Speed - cfm Second Stage Heating Speed - cfm
+24% 1540 1695
+18%
1465 1615
+12% 1390 1530
+6% 1320 1450
Factory Default 1245 1365
–6% 1170 1285
–12% 1095 1205
–18%
1020 1120
COOLING
1
Cooling Speed
DIP Switch
Settings
First Stage Cooling Speed - cfm Second Stage Cooling Speed - cfm
Low Medium-Low Medium-High
2
High Low Medium-Low Medium-High
2
High
+ 1125 1250 1400 1590 1585 1770 2000 2275
Factory Default 1020 1135 1285 1445 1420 1610 1845 2,050
– 900 1005 1155 1280 1305 1395 1645 1875
1
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specific DIP Switch Settings.
2
Factory default setting.
NOTES - The effect of static pressure is included in air volumes shown.
First stage HEAT is approximately 91% of the same second stage HEAT.
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan Only speed is selectable at 28% and 38% of the selected second stage cooling speed - minimum 450 cfm.
Lennox iHarmony
®
Zoning System Applications - Minimum blower speed is 450 cfm.
SL280DF090V60C BLOWER MOTOR WATTS (COOLING)
1
Cooling Speed
DIP Switch
Settings
Motor Watts @ Various External Static Pressures - in. wg.
First Stage Second Stage
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0
+ Setting
Cooling
Speed
Low 81 109 135 154 190 215 243 269 291 197 229 269 314 351 403 424 465 503 542 572
Med-Low 117 142 175 204 227 252 285 308 340 299 329 388 432 466 495 549 586 645 669 705
Med-High 143 183 208 247 283 312 352 385 423 451 501 521 587 633 664 705 765 794 848 879
High 209 246 291 329 370 402 447 490 525 689 720 783 826 890 938 995 1032 1072 1104 1131
Factory Default
Cooling
Speed
Low 63 92 114 139 162 186 216 242 270 144 183 217 248 286 307 354 386 421 459 498
Med-Low 82 111 141 159 195 223 247 274 308 211 245 294 331 369 401 445 486 523 559 604
Med-High 121 148 181 211 241 279 304 331 356 331 366 411 468 497 546 588 629 664 707 748
High 155 194 216 260 296 334 363 393 434 481 535 574 604 655 714 762 816 851 877 942
– Setting
Cooling
Speed
Low 53 76 101 121 139 166 184 209 238 117 149 180 203 235 269 294 327 349 387 421
Med-Low 68 94 120 137 166 193 219 239 266 154 187 219 258 291 319 365 386 424 458 492
Med-High 88 117 144 169 204 227 251 282 313 225 254 298 355 382 427 459 503 542 580 604
High 124 156 183 208 239 267 304 326 359 362 395 436 484 520 568 614 643 686 721 746