Lennox SLP98UHV User Manual page 29

BLOWER DATA
SLP98UH090XV60C BLOWER PERFORMANCE (less filter)
BOTTOM RETURN AIR
HEATING BLOWER PERFORMANCE - 0 through 0.8 in. w.g. External Static Pressure Range
Heating Adjust CFM Selections
Increase (+15%) Heat CFM
Increase (+7.5%) Heat CFM
Default Heat CFM
Decrease (-7.5% ) Heat CFM
Decrease (-15% ) Heat CFM
COOLING BLOWER PERFORMANCE - 0 through 1.0 in. w.g. External Static Pressure Range
Cooling Adjust CFM
Selections
Increase (+10%) Cool CFM
Default Cool CFM
Decrease (-10%) Cool CFM
The effect of static pressure is included in air volumes shown.
The following control configurations are available. See Installation Instructions for details and DIP switch settings.
Heat Modes Available (Heating Blower Performance Table):
Single stage thermostat:
- 35%, 70%, 100% input (three-stage) with time delays in-between
Two-stage thermostat:
- Variable Rate Capacity Mode - furnace automatically adjusts firing rate based on first- and second-stage cycle times
- W1 demand at 70% input, W2 demand at 100% input. No delay between stages
Cool Mode Available (Cooling Blower Performance table):
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan speeds are approximately 28%, 38%, 70% and 100% (DIP switch selectable) of the same second-stage COOL speed position
minimum 300 cfm.
Lennox Harmony III™ Zoning System Applications - Minimum blower speed is 450 cfm.
SLP98UH090XV60C BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 79 107 135 157 188 215 245 273 293 264 284 346 390 425 453 503 538 580 607 640
Medium-Low 120 152 188 220 264 298 328 365 389 393 422 484 554 582 629 690 737 778 805 859
Medium-High 191 221 272 304 333 372 414 452 481 582 604 679 726 778 839 887 921 970 1008 1039
High 264 284 346 390 425 453 503 538 580 805 845 888 949 1009 1048 1109 1133 1166 1196 1191
Default Cool CFM
Low 60 86
Medium-Low 90 123 149 174 209 235 264 293 331 286 340 389 378 430 503 553 580 636 661 699
Medium-High 137 166 203 240 279 307 342 372 402 454 470 553 588 641 695 725 764 820 849 880
High 202 218 270 315 351 387 419 452 479 559 590 649 728 789 823 896 926 974 1030 1062
Decrease (-10%) Cool CFM
Low 47 62
Medium-Low 69 97
Medium-High 90 123 149 174 209 235 264 293 331 301 335 385 430 471 510 557 607 632 677 713
High 133 167 200 232 274 311 340 371 405 454 470 553 588 641 695 725 764 820 849 880
35%
583
540
497
439
380
First Stage Cool Speed - cfm
Low Medium-
Low
1050 1270
975 1120
865 1010
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
112 129 152 179 202 232 252 202 218 270 315 351 387 419 452 479 512 546
85 107 132 148 166 179 201 142 168 212 247 285 313 348 373 409 450 472
119 139 165 189 214 244 265 226 245 295 339 374 410 451 474 497 549 566
Heating Input Range and Blower Volume - CFM
40% 50% 60%
665 830 995
618 774 930
571 718 865
507 644 781
443 570 697
Blower Speed Selections
Medium High Low
High (Default)
1445 1620 1590
1295 1460 1460
1120 1290 1320
0.7 0.8 0 0.1 0.2
70% 80% 90%
1159 1324 1488
1085 1241 1397
1012 1159 1306
917 1054 1191
823 950 1076
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1815 2010
1645 1845
1500 1645
Second Stage
0.3 0.4 0.5 0.6 0.7
SLP98UHV / Page 29
100%
1653
1553
1453
1328
1203
High
(Default)
2195
2010
1860
0.8 0.9 1.0