Lennox SLP98UHV User Manual page 22

BLOWER DATA
SLP98UH070XV36B 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 250 cfm.
SLP98UH070XV36B BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 18 32
Medium-Low 34 52
Medium-High 63 82
High 88 107 131 148 175 192 217 235 253 255 281 312 346 382 402 430 465 489 506 533
Default Cool CFM
Low 12 25
Medium-Low 25 40
Medium-High 41 61
High 63 86
Decrease (-10%) Cool CFM
Low 9 20
Medium-Low 16 32
Medium-High 28 43
High 46 61
SLP98UHV / Page 22
35%
471
435
399
369
339
First Stage Cool Speed - cfm
Low Medium-
Low
595 715
520 655
490 595
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
46 61 76 89 104 115 133
69 86 104 126 141 160 174 109 131 150 179 204 219 239 268 283 313 335
98 115 138 153 173 187 209 177 197 227 246 273 311 328 354 383 402 408
37 55 66 82 94
55 74 89 109 120 136 150
75 98 115 135 151 173 189 129 150 177 198 227 247 272 301 324 332 369
99 122 139 159 180 204 216 209 227 254 282 298 324 341 364 395 413 428
35 48 59 75 86
45 62 75 90 103 119 138
63 77 98 115 132 145 162
86 100 121 136 153 172 193 142 163 187 216 236 261 279 301 325 356 375
Heating Input Range and Blower Volume - CFM
40% 50% 60%
519 614 709
480 570 660
441 526 611
408 486 564
375 446 517
Blower Speed Selections
Medium High Low
High (Default)
815 950 855
755 840 790
670 745 720
0.7 0.8 0 0.1 0.2
64 83 95
105 121 43 61 76
76 96 112 138 162 186 207 232 243 262 281
94 110 29 43 63
56 71 101 112 131 158 168 184 207 235 245
88 107 129 154 183 204 214 245 263 281 308
70% 80% 90%
805 900 996
751 841 931
696 781 866
643 721 799
589 660 732
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1045 1205
945 1090
845 985
Second Stage
0.3 0.4 0.5 0.6 0.7
120 141 159 175 203 208 234 246
99 121 133 162 169 189 211 224
84 99 113 131 144 164 185 197
100%
1091
1021
951
877
803
High
(Default)
1350
1255
1130
0.8 0.9 1.0