Lennox SL280DF070V36A, Unit Information

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BLOWER DATA
SL280DF070V36A 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% 1065 1170
+18%
1010 1115
+12% 960 1055
+6% 910 1000
Factory Default 860 945
–6% 805 885
–12% 755 830
–18%
705 775
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
+ 667 756 872 1010 1015 1101 1241 1427
Factory Default 618 683 778 924 922 1014 1115 1304
– 537 619 691 811 800 900 1024 1169
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 250 cfm.
Lennox iHarmony
®
Zoning System Applications - Minimum blower speed is 250 cfm.
SL280DF070V36A 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 44 62 74 90 103 119 133 148 166 119 144 166 189 212 231 242 267 278 298 323
Med-Low 46 63 83 96 115 128 144 170 181 138 162 177 212 229 247 270 288 320 342 363
Med-High 66 81 104 127 144 160 175 195 219 185 210 238 266 293 317 349 374 399 432 448
High 100 123 138 167 191 211 234 255 271 299 328 354 380 412 434 477 499 528 557 570
Factory Default
Cooling
Speed
Low 34 53 65 78 90 105 118 129 144 89 111 134 153 178 194 208 229 247 263 273
Med-Low 38 57 64 85 98 107 133 147 158 104 125 144 166 192 212 230 261 267 295 315
Med-High 49 72 87 96 122 135 160 176 197 141 167 184 216 237 256 288 304 326 356 383
High 70 90 109 132 158 172 201 222 231 218 245 276 306 323 357 374 403 444 472 489
– Setting
Cooling
Speed
Low 31 44 56 67 80 92 100 112 121 69 86 105 124 140 154 176 196 209 220 242
Med-Low 33 45 60 73 89 104 114 123 144 73 89 111 124 155 175 196 210 224 243 263
Med-High 40 54 74 86 106 115 134 142 170 108 118 153 170 196 219 227 253 266 286 316
High 52 74 85 107 128 149 161 181 201 156 181 208 222 253 284 305 333 356 374 398