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Page 7
CBX40UHV
CBX40UHV048 AND CBX40UHV-060 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
+
1850
1960
2090
2150
1625
1820
2055
2145
NORM
1705
1800
1900
2005
1425
1625
1805
2005
-
1560
1625
1720
1770
1205
1375
1555
1725
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‐048 and CBX40UHV-060 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
418
478
539
551
599
646
675
704
748
TAP 2
492
540
585
642
684
732
761
797
834
TAP 3
594
645
721
762
811
863
874
918
976
TAP 4
653
713
755
809
861
909
941
974
1028
COOL
SPEED
TAP 1
312
342
373
414
443
475
512
558
587
TAP 2
407
459
503
552
591
627
670
718
752
TAP 3
581
646
691
737
792
826
863
900
942
TAP 4
646
695
746
804
873
900
934
976
1032
CBX40UHV‐048 and CBX40UHV-060 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
325
366
404
444
475
520
566
598
636
TAP 2
369
421
465
516
560
587
616
666
717
TAP 3
436
488
540
586
621
671
710
743
789
TAP 4
523
581
636
684
738
789
816
852
894
COOL
SPEED
TAP 1
226
259
293
322
350
387
413
446
472
TAP 2
312
355
382
423
450
492
520
570
615
TAP 3
388
421
482
523
564
606
641
695
741
TAP 4
538
599
647
686
718
792
820
853
888