Lennox iComfort SL280UH070V36A - Page 26

Page 26
BLOWER DATA
SL280UH090V60C BLOWER PERFORMANCE (less lter)
SIDE RETURN AIR WITH OPTIONAL RETURN AIR BASE
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% 1360 1495
+18% 1290 1420
+12% 1225 1350
+6% 1160 1275
Factory Default 1095 1205
–6% 1030 1130
–12% 965 1060
–18% 900 990
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
+ 1050 1190 1380 1615 1515 1715 1930 2240
Factory Default 970 1090 1245 1485 1380 1560 1755 2070
– 880 985 1095 1285 1215 1400 1580 1830
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 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%, 38%, 70% and 100% of the selected second stage cooling speed - minimum 450 cfm.
Lennox Harmony III™ Zone Control Applications - Minimum blower speed is 450 cfm.
SL280UH090V60C 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 74 97 123 139 160 184 212 233 255 194 217 258 292 328 362 396 428 463 484 509
Med-low 92 121 149 171 200 233 261 283 315 282 320 352 397 428 477 517 550 588 621 655
Med-High 138 170 198 240 269 300 334 363 395 385 420 474 530 566 626 661 708 750 791 835
High 216 245 282 333 364 379 430 455 496 658 686 742 808 864 910 960 1006 1043 1087 1116
Factory Default
Cooling
Speed
Low 63 85 102 123 144 160 183 201 225 145 180 203 239
273 309 335 370 398 432 464
Med-low 74 100 124 149 164 194 221 245 270 217 247 285 319 360 391 415 459 488 522 556
Med-High 104 133 162 188 219 246 276 309 328 293 321 385 421 443 494 547 571 605 663 691
High 178 210 239 281 319 347 380 415 441 518 567 609 683 719 774 831 882 911 976 1026
– Setting
Cooling
Speed
Low 43 62 80 104 123 144 163 180 199 101 128 163 186 214 245 278 299 332 355 391
Med-low 61 83 102 124 142 164 188 206 228 158 184 226 254 284 321 347 383 419 446 470
Med-High 78 108 127 147 172 202 229 252 275 235 265 304 349 382 397 439 470
510 548 583
High 113 146 174 204 238 269 299 326 364 326 362 413 457 501 546 590 632 680 719 746