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505047 09/06
Table 5
CBWMV−24B−040 Blower Performance
0 through 0.80 in. w.g. (0 Through 200 Pa) External Static Pressure Range ; Factory Settings: Heating Speed − 2, Cooling
Speed − 1, Speed Adjust − NORM; Applications with single sided inlets will reduce CFM by approximately 4%.
ADJUST"
BDC3 Jumper Speed Positions
ADJUST"
Jumper
1st Stage COOL" Speed
J
umper
Sett
in
g
1 2 3 4
Setting
cfm L/s cfm L/s cfm L/s cfm L/s
+ 610 290 770 365 930 440 1010 475
NORM 560 265 700 330 830 390 910 430
Ċ 510 240 630 295 750 355 810 380
ADJUST"
HEAT" Speed 2nd Stage COOL" Speed
ADJUST
Jumper
S
1 2 3 4 1 2 3 4
p
Setting
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
+ 820 385 990 465 1180 555 1340 630 880 415 1120 530 1340 630 1440 680
NORM 750 355 900 425 1070 505 1230 580 800 375 1000 470 1200 565 1300 615
Ċ 970 315 810 380 940 445 1080 510 720 340 900 425 1080 510 1170 550
The effect of static pressure and filter resistance is included in air volumes shown.
1st stage COOL is approximately 70% of the same 2nd stage COOL speed position.
Continuous Fan Only speed is approximately 38% of the same 2nd stage COOL speed position.
Lennox Harmony zone control applications − Minimum blower speed is 400 cfm. Max cfm is the same as 2nd stage cool position.
Table 6
CBWMV−36B−070 Blower Performance
0 through 0.80 in. w.g. (0 Through 200 Pa) External Static Pressure Range ; Factory Settings: Heating Speed − 4, Cooling
Speed − 3, Speed Adjust − NORM; Applications with single sided inlets will reduce CFM by approximately 4%.
ADJUST"
BDC3 Jumper Speed Positions
ADJUST"
Jumper
1st Stage COOL" Speed
J
umper
Setting
1 2 3 4
Setting
cfm L/s cfm L/s cfm L/s cfm L/s
+ 590 280 745 350 895 420 975 460
NORM 545 255 680 320 805 380 890 420
Ċ 490 230 600 280 725 340 780 370
ADJUST"
HEAT" Speed 2nd Stage COOL" Speed
ADJUST
Jumper
1 2 3 4 1 2 3 4
p
Setting
cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s cfm L/s
+ 790 370 980 465 1140 540 1310 620 850 400 1090 515 1300 620 1430 675
NORM 730 345 870 410 1040 490 1190 560 775 365 990 465 1190 560 1280 605
Ċ 640 300 770 360 920 435 1070 505 700 330 870 410 1065 500 1150 540
The effect of static pressure and filter resistance is included in air volumes shown.
1st stage COOL is approximately 70% of the same 2nd stage COOL speed position.
Continuous Fan Only speed is approximately 38% of the same 2nd stage COOL speed position.
Lennox Harmony zone control applications − Minimum blower speed is 400 cfm. Max cfm is the same as 2nd stage cool position.