Lennox CBX32MV Series Manual page 7

CBX32MV-048 AND CBX32MV-060 BLOWER PERFORMANCE
0 through 0.80 in. w.g. (0 Through 200 Pa) External Static Pressure Range
ADJUST"
1
Jumper
cfm L/s
Setting
+ 1850 875
NORM 1705 805
− 1560 735
NOTES − The effect of static pressure, filter and electric heater resistance is included in the air volumes listed.
Low speed cooling air volume is 70% of COOL speed setting (60% of COOL speed for production prior to August 2002). Production units September 2005 and
later;continuous blower speed for is approximately 38% of COOL speed setting. Earlier production units continuous blower speed is approximately 50% of COOL
speed setting.
Harmony Zone Control applications − Low speed cooling is approximately 400 cfm (190 L/s).
Lennox Harmony IIIt Zone Control applications − minimum blower speed is 442 cfm (210 L/s)
CBX32MV-048 AND CBX32MV-060 BLOWER MOTOR WATTS AT +" (Plus) BDC3 SETTING
BDC3 Jumper Speed
Positions
HEAT" Tap 1
Speed
Tap 2
Tap 3
Tap 4
COOL" Tap 1
Speed
Tap 2
Tap 3
Tap 4
CBX32MV-048 AND CBX32MV-060 BLOWER MOTOR WATTS AT NORM" BDC3 SETTING
BDC3 Jumper Speed
Positions
Tap 1
HEAT"
Speed
Tap 2
Tap 3
Tap 4
Tap 1
COOL"
Speed
Tap 2
Tap 3
Tap 4
CBX32MV-048 AND CBX32MV-060 BLOWER MOTOR WATTS AT −" (Minus) BDC3 SETTING
BDC3 Jumper Speed
Positions
HEAT"
Tap 1
Speed
Tap 2
Tap 3
Tap 4
COOL"
Tap 1
Speed
Tap 2
Tap 3
Tap 4
HEAT" Speed
2 3
cfm L/s cfm L/s
1960 925 2090 985
1800 850 1900 895
1625 765 1720 810
Motor Watts @ Various External Static Pressures − in. wg. (Pa)
0 (0) 0.1 (25) 0.2 (50)
455 505 540
555 595 645
680 720 770
730 780 825
300 335 370
425 475 500
625 660 705
700 750 800
Motor Watts @ Various External Static Pressures − in. wg. (Pa)
0 (0) 0.1 (25) 0.2 (50)
360 385 425
400 440 485
480 520 560
580 625 665
215 235 275
310 335 375
415 445 490
580 610 655
Motor Watts @ Various External Static Pressures − in. wg. (Pa)
0 (0) 0.1 (25) 0.2 (50)
265 305 340
320 350 395
375 410 435
400 435 480
140 170 195
200 230 260
280 315 340
375 420 440
BDC3 Jumper Speed Positions
4 1
cfm L/s cfm L/s
2150 1015 1625 765
2005 945 1425 670
1770 835 1205 570
0.3 (75) 0.4 (100)
585 630
675 730
820 865
870 920
360 435
545 585
755 810
845 895
0.3 (75) 0.4 (100)
465 495
520 555
605 640
710 760
295 330
405 440
535 565
695 740
0.3 (75) 0.4 (100)
370 410
420 450
470 515
525 555
215 250
285 315
380 415
475 515
Page 7
COOL" Speed
2 3
cfm L/s cfm L/s
1820 860 2055 970
1625 765 1805 850
1375 650 1555 735
( Adjust" Jumper at +" Setting)
0.5 (125) 0.6 (150) 0.7 (175)
665 710 745
780 820 865
900 945 985
970 1020 1055
465 500 535
635 670 710
850 885 940
940 990 1030
( Adjust" Jumper at NORM Setting)
0.5 (125) 0.6 (150) 0.7 (175)
525 565 600
595 640 670
685 765 785
800 835 875
360 400 430
465 500 530
605 650 675
785 830 870
( Adjust" Jumper at −" Setting)
0.5 (125) 0.6 (150) 0.7 (175)
440 460 505
475 515 545
545 575 610
595 640 670
275 300 335
355 385 415
445 465 505
550 575 610
4
cfm L/s
2145 1010
2005 945
1725 815
0.8 (200)
780
895
1030
1110
575
745
970
1080
0.8 (200)
635
705
805
925
465
565
715
910
0.8 (200)
540
580
645
700
360
450
540
645