Lennox SLP98UHV User Manual page 28

BLOWER DATA
SLP98UH090XV48C BLOWER PERFORMANCE (less filter)
SINGLE SIDE RETURN AIR WITH OPTIONAL RETURN AIR BASE
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 40 60
Medium-Low 58 87
Medium-High 91 126 145 169 205 228 255 288 320 234 273 314 354 403 431 484 514 571 599 632
High 134 163 195 231 264 297 320 359 381 337 378 426 470 518 557 604 654 684 722 768
Default Cool CFM
Low 36 47
Medium-Low 51 75
Medium-High 59 92
High 97 130 156 191 215 256 283 310 343 253 292 331 379 414 462 497 546 575 613 661
Decrease (-10%) Cool CFM
Low 26 41
Medium-Low 41 62
Medium-High 50 75
High 72 102 125 154 178 208 234 262 293 196 235 264 302 332 377 413 441 482 518 548
SLP98UHV / Page 28
35%
764
705
645
594
542
First Stage Cool Speed - cfm
Low Medium-
Low
840 955
775 910
695 815
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
80 96 115 133 151 176 192
108 132 158 188 212 240 264 166 195 233 269 300 328 356 394 426 455 496
70 88 103 120 139 146 167
93 115 135 158 187 201 222 132 156 192 220 259 284 319 343 376 404 423
112 141 166 200 228 259 281 183 215 262 284 315 348 387 427 464 494 523
55 73 88 104 120 134 149
79 98 117 132 154 172 195
95 120 147 164 187 209 243 140 170 197 234 263 301 327 357 377 412 453
Heating Input Range and Blower Volume - CFM
40% 50% 60%
828 956 1084
766 888 1010
703 819 936
650 762 874
596 704 812
Blower Speed Selections
Medium High Low
High (Default)
1120 1280 1160
1010 1170 1060
930 1045 925
0.7 0.8 0 0.1 0.2
94 127 151 180 207 241 274 303 340 358 381
75 100 130 149 183 212 238 260 293 315 337
56 84 104 123 149 174 199 224 248 268 290
94 122 146 177 208 239 264 295 320 352 368
70% 80% 90%
1213 1341 1469
1132 1255 1377
1052 1168 1285
986 1099 1211
921 1029 1137
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1360 1530
1240 1400
1130 1295
Second Stage
0.3 0.4 0.5 0.6 0.7
100%
1597
1499
1401
1323
1245
High
(Default)
1740
1590
1440
0.8 0.9 1.0