CBX32MV / Page 10
BLOWER DATA
CBX32MV-018/024 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm
+ 715 855 1000 1130 465 690 900 1050
NORM 670 770 900 1035 425 620 825 950
– 580 700 800 930 385 560 735 850
NOTES - The effect of static pressure, lter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. Continuous fan speed is approximately 28%, 38%, 70% and 100% (Jumper selectable) of the
same second-stage COOL speed selected, minimum 250 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 250 cfm.
CBX32MV-018/024 BLOWER MOTOR WATTS
AT “+” (Plus) SETTING (“Adjust” Jumper at “+” Setting)
Jumper
Speed Positions
Motor Watts @ Various External Static Pressures - in. wg.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
“HEAT” Speed Tap 1 100 113 126 142 154 172 190 206 230
Tap 2 155 176 197 221 237 260 278 295 310
Tap 3 237 260 289 305 314 337 356 373 390
Tap 4 338 361 379 409 433 457 447 426 406
“COOL” Speed Tap 1 36 47 61 71 81 95 106 118 135
Tap 2 89 103 118 129 143 163 177 197 207
Tap 3 183 198 229 248 266 290 307 327 343
Tap 4 266 294 315 330 349 373 390 411 401
AT “NORM” SETTING (“Adjust” Jumper at NORM Setting)
Jumper
Speed Positions
Motor Watts @ Various External Static Pressures - in. wg.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
“HEAT” Speed Tap 1 77 96 106 123 130 150 165 178 201
Tap 2 118 136 154 177 189 212 224 247 265
Tap 3 183
198 224 248 264 284 307 321 343
Tap 4 264 284 300 326 343 367 385 406 390
“COOL” Speed Tap 1 30 41 55 62 76 86 94 106 114
Tap 2 71 83 101 113 125 138 156 166 185
Tap 3 137 158 176 199 219 238 254 273 296
Tap 4 211 225 249 272 295 318 331 342 367
AT “–” (Minus) SETTING (“Adjust” Jumper at “–” Setting)
Jumper
Speed Positions
Motor Watts @ Various External Static Pressures - in. wg.
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
“HEAT” Speed Tap 1 59 73 89 106 113 130 142 156 173
Tap 2 95 106 118 136 152 171 183 200 215
Tap 3 132 148 171 186 211 225 248 266 284
Tap 4 195 217 242 259 283 302 314 336 349
“COOL” Speed Tap 1 27 35 47 59 71 77 88 92 106
Tap 2 57 65 83 94 110 119 134 148
166
Tap 3 110 124 141 157 176 188 213 231 242
Tap 4 148 170 195 207 230 248 272 282 306
10 of 44 B17-0056
01/19/2017