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CBX40UHV
CBX40UHV042 BLOWER PERFORMANCE
0 through 0.80 in. W.g. External Static Pressure Range
“AJUST”
Jumper Setting
Jumper Speed Positions
“HEAT” Speed
“COOL” Speed
1
cfm
2
cfm
3
cfm
4
cfm
1
cfm
2
cfm
3
cfm
4
cfm
+
1100
1320
1540
1760
1100
1320
1540
1760
NORM
1000
1200
1400
1600
1000
1200
1400
1600
-
900
1080
1260
1440
900
1080
1260
1440
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 450 cfm.
S
Lennox Harmony III™ Zone Control applications - minimum blower speed if 450 cfm.
CBX40UHV‐042 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
124
154
177
204
240
260
296
326
363
TAP 2
179
227
255
287
336
356
394
451
486
TAP 3
294
339
387
425
463
489
518
550
600
TAP 4
405
456
510
553
607
647
686
743
777
COOL SPEED
TAP 1
122
146
173
198
224
259
292
329
360
TAP 2
186
230
254
289
332
361
404
438
477
TAP 3
284
335
387
413
455
483
526
551
600
TAP 4
413
475
517
570
632
569
715
750
782
CBX40UHV‐042 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
97
123
146
179
205
225
258
292
327
TAP 2
144
180
209
230
266
295
334
375
410
TAP 3
226
259
307
342
380
405
448
482
525
TAP 4
323
369
401
449
491
516
563
593
640
COOL
SPEED
TAP 1
93
118
142
166
197
225
247
280
314
TAP 2
148
179
207
231
268
311
333
377
405
TAP 3
229
263
298
332
386
408
446
484
534
TAP 4
327
375
403
448
489
523
557
589
646
CBX40UHV‐042 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
80
105
128
148
173
206
233
265
287
TAP 2
113
144
172
193
219
265
286
312
349
TAP 3
168
198
238
265
293
332
368
415
442
TAP 4
239
285
315
362
398
428
465
503
544
COOL
SPEED
TAP 1
76
100
123
148
169
203
230
260
279
TAP 2
115
145
169
190
217
258
288
315
349
TAP 3
166
199
236
263
296
330
380
415
449
TAP 4
241
289
321
366
396
431
472
505
544