Lennox SLP98UHV User Manual page 24

BLOWER DATA
SLP98UH090XV36C 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 250 cfm.
SLP98UH090XV36C BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 13 30
Medium-Low 25 45
Medium-High 36 55
High 62 83
Default Cool CFM
Low 9 28
Medium-Low 20 38
Medium-High 26 46
High 39 59
Decrease (-10%) Cool CFM
Low 8 23
Medium-Low 12 29
Medium-High 20 37
High 27 47
SLP98UHV / Page 24
35%
657
631
605
574
542
First Stage Cool Speed - cfm
Low Medium-
Low
610 705
560 640
525 605
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
46 62 75 93 110 129 143
62 80 96 115 134 151 173
79 95 117 139 156 178 199 133 154 175 213 236 269 282 309 336 357 381
105 128 148 163 193 210 234 210 229 259 291 317 344 366 391 415 441 466
38 55 71 83 100 116 135
52 69 83 102 120 135 152
63 83 101 117 141 157 178
81 98 121 143 161 180 202 149 171 199 229 257 285 306 330 359 389 403
35 52 66 80 95
44 59 75 92 111 126 140
56 71 86 104 122 143 155
67 82 102 124 142 160 181 104 125 150 178 207 232 251 273 297 321 350
Heating Input Range and Blower Volume - CFM
40% 50% 60%
702 792 881
673 757 841
644 723 802
608 676 745
571 630 689
Blower Speed Selections
Medium High Low
High (Default)
795 920 840
715 810 770
665 725 695
0.7 0.8 0 0.1 0.2
42 60 83
78 104 122 144 170 195 215 239 265 283 308
28 48 65
59 81 100 125 142 162 182 204 229 248 269
95 118 142 165 192 213 244 264 288 314 329
108 121 21 41 56
35 56 73
70 89 114 135 157 175 199 225 242 266 282
70% 80% 90%
971 1061 1150
926 1010 1094
880 959 1037
814 882 951
747 806 864
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1015 1165
910 1050
795 945
Second Stage
0.3 0.4 0.5 0.6 0.7
101 122 144 163 181 206 219 241
86 104 124 142 164 182 199 219
71 91 110 126 144 164 179 197
95 115 137 155 176 198 216 235
100%
1240
1178
1116
1020
923
High
(Default)
1300
1190
1110
0.8 0.9 1.0