Lennox SLP98UHV User Manual page 23

BLOWER DATA
SLP98UH090XV36C 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 250 cfm.
SLP98UH090XV36C BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 19 33
Medium-Low 35 52
Medium-High 51 70
High 69 94
Default Cool CFM
Low 14 31
Medium-Low 29 46
Medium-High 39 56
High 46 68
Decrease (-10%) Cool CFM
Low 11 27
Medium-Low 23 39
Medium-High 24 43
High 33 51
35%
687
654
621
581
540
First Stage Cool Speed - cfm
Low Medium-
Low
625 710
565 670
520 610
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
51 67 81 97 113 128 144
76 90 108 130 146 166 185
92 117 138 155 181 199 219 146 170 199 223 246 277 303 329 357 379 399
113 133 152 177 194 222 246 225 250 277 308 329 362 391 411 442 465 489
44 59 75 88 104 125 137
63 80 95 114 133 146 164
78 97 117 137 155 175 192 102 127 152 175 202 228 246 279 306 328 345
86 111 126 154 174 194 214 167 184 218 253 272 301 332 360 381 402 421
39 57 70 84 99
53 71 87 103 118 133 148
56 79 97 111 129 149 165
69 94 111 131 150 170 186 112 134 160 186 220 236 264 293 311 335 363
Heating Input Range and Blower Volume - CFM
40% 50% 60%
734 827 921
697 782 867
660 737 814
616 687 757
572 637 701
Blower Speed Selections
Medium High Low
High (Default)
830 950 875
760 860 800
685 785 720
0.7 0.8 0 0.1 0.2
47 64 90
87 114 130 158 184 205 227 252 278 301 321
37 54 74
65 87 108 130 152 173 196 222 236 262 283
113 131 26 45 61
44 60 85
75 101 117 140 160 182 215 235 255 275 296
70% 80% 90%
1014 1108 1201
953 1038 1123
891 968 1045
828 899 970
766 830 895
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1040 1210
945 1100
840 970
Second Stage
0.3 0.4 0.5 0.6 0.7
111 127 153 174 193 215 234 250
94 114 135 152 175 187 209 223
81 96 118 134 152 169 189 205
107 127 150 169 186 207 226 247
SLP98UHV / Page 23
100%
1295
1209
1122
1041
959
High
(Default)
1360
1240
1115
0.8 0.9 1.0