Lennox EL297DFV Series Unit Information page 5

BLOWER DATA
EL297DF070XV48B BLOWER PERFORMANCE (less filter)
BOTTOM RETURN AIR
0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range
Heating Speed
1
DIP Switch
Settings
+24%
+18%
+12%
+6%
Factory Default
–6%
–12%
–18%
Cooling Speed
1
DIP Switch
Low
Settings
+ 740
Factory Default 660
– 575
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.
1
Factory default setting.
2
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 380 cfm.
Lennox Smart Zoning System Applications - Minimum blower speed is 380 cfm.
®
EL297DF070XV48B BLOWER MOTOR WATTS (COOLING)
Cooling Speed
1
DIP Switch
Settings
0 0.1
+ Setting
Low 68
Med-low 93 120 147 172 198 220 254 274 304 257 276 326 370 398 437 470 492 531 558 598
Cooling
Speed
Med-High 120 152 180 220 254 281 318 344 380 390 428 472 526 574 611 659 706 745 788 820
High 214 237 284 324 352 390 424 456 474 627 604 663 721 775 825 869 908 915 881 864
Factory Default
Low 35
Med-low 75 100 115 140 165 190 210 230 255 188 203 250 297 327 374 399 432 454 486 513
Cooling
Speed
Med-High 99 129 159 179 209 236 270 293 329 304 340 376 418 450 495 533 567 613 637 674
High 157 184 232 264 285 335 365 406 419 454 469 537 589 634 669 724 770 818 833 840
– Setting
Low 27
Med-low 67
Cooling
Speed
Med-High 82 105 127 153 176 196 223 243 269 226 244 290 335 364 402 435 465 485 516 556
High 107 141 164 195 224 263 282 321 347 329 375 403 444 481 526 570 612 656 680 718
First Stage Heating Speed - cfm
1085
1030
950
910
850
790
740
680
First Stage Cooling Speed - cfm
Medium-Low Medium-High
915
820
735
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5
88 109 132 154 178 199 213 238 144 169 208 244 270 310 343 378 401 432 457
54 74 92 109 129 147 163 191 104 137 162 189 219 254 278 312 341 369 400
49 63 73 98 116 135 155 168
87 109 132 154 177 199 212 238 129 156 187 226 258 288 325 353 385 409 441
HEATING
COOLING
High Low
2
1055 1255 1110
940 1120 995
850 995 880
0.6 0.7 0.8 0 0.1
86 111 135 162 186 206 236 257 283 306 339
Page 5
Second Stage Heating Speed - cfm
1635
1525
1450
1365
1310
1225
1135
1060
Second Stage Cooling Speed - cfm
Medium-Low Medium-High
1340
1230
1085
Second Stage
0.2 0.3 0.4 0.5 0.6
High
2
1575 1800
1420 1650
1290 1460
0.7 0.8 0.9 1.0