Lennox SLP98UHV User Manual page 21

BLOWER DATA
SLP98UH070XV36B 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.
SLP98UH070XV36B BLOWER MOTOR WATTS - COOLING
Blower Speed
Options
0 0.1
Increase (+10%) Cool CFM
Low 17 29
Medium-Low 30 50
Medium-High 51 70
High 88 109 134 150 184 201 221 243 265 290 309 344 372 399 421 445 474 495 520 532
Default Cool CFM
Low 12 25
Medium-Low 22 41
Medium-High 36 55
High 57 76
Decrease (-10%) Cool CFM
Low 8 22
Medium-Low 19 32
Medium-High 25 42
High 37 56
35%
484
446
407
377
346
First Stage Cool Speed - cfm
Low Medium-
Low
590 705
540 640
500 580
Motor Watts @ Various External Static Pressures - in. wg.
First Stage
0.2 0.3 0.4 0.5 0.6
48 61 73 94 100 123 130
66 79 107 128 137 159 178 121 137 165 195 213 239 257 283 303 329 342
92 106 127 150 170 184 207 195 214 243 268 290 324 348 370 387 409 434
38 52 66 83 96
55 70 86 103 123 141 154
75 90 107 129 152 167 184 142 161 187 211 239 263 287 307 332 352 369
99 116 135 153 176 197 213 220 236 267 294 323 342 364 382 411 436 455
32 50 60 77 86
47 63 77 93 103 120 133
58 74 90 109 131 143 154 101 120 141 170 190 215 233 256 274 298 317
76 95 115 135 153 173 192 157 177 201 224 254 277 303 321 346 362 385
Heating Input Range and Blower Volume - CFM
40% 50% 60%
531 625 718
490 579 667
449 533 616
413 487 561
378 442 506
Blower Speed Selections
Medium High Low
High (Default)
805 955 840
725 820 750
665 720 685
0.7 0.8 0 0.1 0.2
63 84 104 117 142 160 174 208 215 245 255
105 117 43 65 75
88 106 130 150 173 197 220 239 259 276 297
100 116 31 48 63
53 75 91
70% 80% 90%
812 906 999
756 845 933
700 784 867
635 709 783
571 635 699
Second Stage Cool Speed - cfm
Medium- Medium
Low High
1050 1205
945 1130
805 990
Second Stage
0.3 0.4 0.5 0.6 0.7
98 120 139 152 170 192 212 228
83 102 122 137 150 166 188 203
111 129 152 169 188 210 227 251
SLP98UHV / Page 21
100%
1093
1022
951
857
763
High
(Default)
1355
1230
1110
0.8 0.9 1.0