Lennox SL280DF070V36A Unit Information

Page 6
BLOWER DATA
SL280DF110V60C BLOWER PERFORMANCE (less lter)
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% 1645 1810
+18% 1565 1720
+12% 1485 1635
+6% 1405 1545
Factory Default 1325 1460
–6% 1245 1370
–12% 1170 1285
–18% 1090 1195
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
+ 1055 1230 1365 1525 1500 1755 1915 2120
Factory Default 975 1115 1250 1400 1360 1585 1770 1960
– 895 1005 1130 1245 1225 1405 1595 1760
1
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specic DIP Switch Settings.
2
Factory default setting.
NOTES - The e󰀨ect 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.
SL280DF110V60C 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 78 101 128 144 172 200 218 244 264 172 196 243 284 321 360 391 428 452 494 528
Med-Low 108 135 162 192 213 241 269 295 324 268 294 352 376 424 466 505 554 581 604 645
Med-High 146 180 203 238 271 305 334 358 396 373 424 459 504 529 575 641 680 712 747 810
High 181 219 254 291 327 365 401 436 479 510 557 596 660 725 763 815 869 922 962 993
Factory Default
Cooling
Speed
Low 62 87 108 125 148 173 196 222 239 135 165 194 231 267 305 320 346 381 422 457
Med-Low 87 115 135 158 189 218 236 264 285 195 226 270 311 347 377 421 455 494 530 562
Med-High 114 140 173 201 224 250 283 312 339 290 335 358 401 450 497 528 565 611 640 677
High 148 186 207 246 282 307 354 375 410 395 438 484 525 559 608 659 711 745 776 826
– Setting
Cooling
Speed
Low 47 67 94 108 128 140 172 193 212 106 134 161 191 214 238 259 295 322 349 379
Med-Low 67 91 114 134 151 180 206 226 247 147 181 210 245 280 312 347 376 404 445 476
Med-High 94 116 141 167 198 210 242 259 288 207 236 284 320 356 391 421 473 494 535 573
High 118 146 176 202 222 248 285 313 337 280 315 356 398 444 478 520 559 607 627 669

Lennox SL280DF070V36A Specifications

General

Brand	Lennox
Model	SL280DF070V36A
Category	Furnace
Language	English