Page 5
CBX40UHV
CBX40UHV036 BLOWER PERFORMANCE
0 through 0.80 in. W.g. External Static Pressure Range
“AJUST”
Jumper Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1
cf
m
2
cf
m
3
cfm
4
cfm
1
cf
m
2
cf
m
3
cfm
4
cfm
+
1230 1335 1445 1545 900 1225 1380 1545
NORM
1120 1215 1315 1400 810 1125 1275 1400
-
1010 1185 1200 1265 730 1000 1135 1265
NOTES:
S The effect of static pressure, filter and electric heater resistance is included in the air volumes listed.
S First stage cooling air volume is 70% of COOL speed settings. Continuous fan speed is approximately 28%, 38%, 70% and 100% (Jumper
selectable) of the same secondstage COOL speed selected, minimum 380 cfm.
S Lennox Harmony III™ Zone Control applications - minimum blower speed if 380 cfm.
CBX40UHV‐036 BLOWER MOTOR WATTS AT “+” (Plus) AHC SETTING (Adjust Jumper at “+” Setting)
AHC 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 1 189 223 253 271 306 323 359 377 409
TAP 2 238 273 295 316 349 375 417 439 473
TAP 3 279 322 348 384 420 463 486 525 550
TAP 4 327 387 427 451 489 537 566 600 643
COOL SPEED
TAP 1 130 157 184 212 237 263 284 307 346
TAP 2 183 211 232 261 296 314 342 368 396
TAP 3 248 284 315 349 366 407 441 473 509
TAP 4 347 376 418 464 495 531 566 608 632
CBX40UHV‐036 BLOWER MOTOR WATTS AT “NORM” AHC SETTING (“Adjust” Jumper at NORM Setting)
AHC 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 1 146 173 199 225 257 279 304 330 364
TAP 2 186 234 241 264 296 319 340 371 395
TAP 3 226 263 281 304 341 371 393 435 456
TAP 4 261 296 321 355 389 423 450 489 519
COOL SPEED
TAP 1 98 117 143 165 185 216 247 267 301
TAP 2 144 168 197 223 250 272 299 332 356
TAP 3 198 227 265 279 307 340 363 397 431
TAP 4 255 285 313 346 386 418 454 483 527
CBX40UHV‐036 BLOWER MOTOR WATTS AT “-” (Minus) AHC SETTING (“Adjust” Jumper at “-” Setting)
AHC 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 1 110 139 161 185 213 234 263 291 312
TAP 2 182 210 236 252 293 315 336 356 393
TAP 3 175 193 224 257 294 312 330 350 382
TAP 4 199 234 257 291 309 333 366 395 423
COOL SPEED
TAP 1 86 102 124 143 165 193 218 246 270
TAP 2 103 130 148 172 192 219 248 277 309
TAP 3 144 163 192 216 250 275 294 322 357
TAP 4 196 224 255 287 306 339 371 395 429