Lennox SLP98UHV User Manual page 27

BLOWER DATA
SLP98UH090XV48C BLOWER PERFORMANCE (less filter)
SINGLE SIDE 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 380 cfm.
SLP98UH090XV48C BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 43 65
Medium-Low 66 95
Medium-High 95 126 151 180 210 242 277 302 320 243 277 316 371 412 457 492 534 566 605 651
High 143 166 203 243 282 309 333 368 389 368 410 453 511 562 604 651 690 730 771 809
Default Cool CFM
Low 36 48
Medium-Low 52 75
Medium-High 70 94
High 100 131 162 197 228 260 298 328 347 275 310 359 400 445 469 525 562 597 642 682
Decrease (-10%) Cool CFM
Low 32 45
Medium-Low 45 63
Medium-High 55 82
High 76 101 137 160 188 218 245 271 302 198 239 274 308 349 384 426 471 500 542 576
35%
747
698
649
589
528
First Stage Cool Speed - cfm
Low Medium-
Low
820 1005
755 880
680 815
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
85 96 119 134 156 179 199 102 131 155 189 216 249 282 304 331 359 387
113 140 164 189 212 242 268 173 196 242 271 306 337 362 405 430 460 493
73 86 108 120 140 152 168
95 110 130 161 176 201 216 129 154 190 218 257 295 322 346 377 404 434
125 146 172 198 230 252 275 190 222 270 299 325 368 398 439 470 508 549
58 80 97 110 121 133 154
82 99 119 137 150 171 193
101 119 145 167 192 213 239 148 177 205 244 286 309 346 370 402 431 467
Heating Input Range and Blower Volume - CFM
40% 50% 60%
812 943 1073
759 882 1005
706 821 936
644 755 867
582 690 797
Blower Speed Selections
Medium High Low
High (Default)
1135 1290 1140
1025 1150 1040
925 1065 910
0.7 0.8 0 0.1 0.2
75 101 125 156 178 215 244 259 288 320 339
62 87 109 129 152 173 199 221 250 266 295
95 124 150 180 207 240 269 297 325 356 375
70% 80% 90%
1204 1334 1465
1127 1250 1372
1051 1165 1280
978 1089 1200
905 1013 1120
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1340 1525
1235 1395
1120 1275
Second Stage
0.3 0.4 0.5 0.6 0.7
SLP98UHV / Page 27
100%
1595
1495
1395
1312
1228
High
(Default)
1725
1565
1400
0.8 0.9 1.0