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CBX40UHV-042 BLOWER MOTOR WATTS AT +" (Plus) AHC SETTING ( Adjust" Jumper at +" Setting)
AHC JUMPER SPEED
POSITIONS
HEAT SPEED
TAP 1
TAP 2
TAP 3
TAP 4
COOL SPEED
TAP 1
TAP 2
TAP 3
TAP 4
CBX40UHV-042 BLOWER MOTOR WATTS AT NORM" AHC SETTING ( Adjust" Jumper at NORM Setting)
AHC JUMPER SPEED
POSITIONS
HEAT" SPEED
TAP 1
TAP 2
TAP 3
TAP 4
COOL SPEED
TAP 1
TAP 2
TAP 3
TAP 4
CBX40UHV-042 BLOWER MOTOR WATTS AT −" (Minus) AHC SETTING ( Adjust" Jumper at −" Setting)
AHC JUMPER SPEED
POSITIONS
HEAT SPEED
TAP 1
TAP 2
TAP 3
TAP 4
COOL SPEED
TAP 1
TAP 2
TAP 3
TAP 4
CBX40UHV-048 and CBX40UHV−060 BLOWER PERFORMANCE
ADJUST JUMPER SETTING
+
NORM
–
NOTES
The effect of static pressure, filter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. .
Continuous blower speeds are adjustable to 28%, 38%, 70% and 100% of COOL speed setting (default setting is 38%).
Lennox Harmony IIIt Zone Control applications
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0
0.1
0.2
124
154
177
179
227
255
294
339
387
405
456
510
122
146
173
186
230
254
284
335
387
413
475
517
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0
0.1
0.2
97
123
146
144
180
209
226
259
307
323
369
401
93
118
142
148
179
207
229
263
298
327
375
403
MOTOR WATTS @ VARIOUS EXTERNAL STATIC PRESSURES − IN. WG.
0
0.1
0.2
80
105
128
113
144
172
168
198
238
239
285
315
76
100
123
115
145
169
166
199
236
241
289
321
HEAT SPEED
1
2
3
CFM
CFM
CFM
1850
1960
2090
1705
1800
1900
1560
1625
1720
minimum blower speed is 450 cfm.
0.3
0.4
0.5
204
240
260
287
336
356
425
463
489
553
607
647
198
224
259
289
332
361
413
455
483
570
632
569
0.3
0.4
0.5
179
205
225
230
266
295
342
380
405
449
491
516
166
197
225
231
268
311
332
386
408
448
489
523
0.3
0.4
0.5
148
173
206
193
219
265
265
293
332
362
398
428
148
169
203
190
217
258
263
296
330
366
396
431
0 through 0.80 in. w.g. External Static Pressure Range
AHC JUMPER SPEED POSITIONS
4
1
CFM
CFM
2150
1625
2005
1425
1770
1205
Page 6
0.6
0.7
0.8
296
326
363
394
451
486
518
550
600
686
743
777
292
329
360
404
438
477
526
551
600
715
750
782
0.6
0.7
0.8
258
292
327
334
375
410
448
482
525
563
593
640
247
280
314
333
377
405
446
484
534
557
589
646
0.6
0.7
0.8
233
265
287
286
312
349
368
415
442
465
503
544
230
260
279
288
315
349
380
415
449
472
505
544
COOL SPEED
2
3
4
CFM
CFM
CFM
1820
2055
2145
1625
1805
2005
1375
1555
1725
CBX40UHV
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