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TABLE 2
BLOWER DATA
CBA25UHV-018 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed First Stage “COOL” Speed Second Stage “COOL” Speed
1 2 3 4 1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm
+ 500 705 925 1150 365 520 665 810 500 705 925 1150
NORM 465 650 850 1050 350 485 610 740 465 650 850 1050
– 420 600 760 950 320 425 560 680 420 600 760 950
NOTES - The eect of static pressure, lter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. Continuous blower speed is approximately 50% of COOL speed setting.
Lennox Harmony III™ Zoning System applications - minimum blower speed is 250 cfm.
BLOWER DATA
CBA25UHV-024 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed First Stage “COOL” Speed Second Stage “COOL” Speed
1 2 3 4 1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm
+ 450 670 900 1120 340 450 650 770 450 670 900 1120
NORM 420 620 820 1050 300 400 600 700 420 620 820 1050
– 390 570 750 915 280 390 500 650 390 570 750 915
NOTES - The eect of static pressure, lter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. Continuous blower speed is approximately 50% of COOL speed setting.
Lennox Harmony III™ Zoning System applications - minimum blower speed is 250 cfm.
BLOWER DATA
CBA25UHV-030 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed First Stage “COOL” Speed Second Stage “COOL” Speed
1 2 3 4 1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm cfm
+ 680 885 1115 1340 490 635 770 930 680 885 1115 1340
NORM 620 810 1020 1220 440 575 715 845 620 810 1020 1220
– 550 725 905 1100 411 530 645 755 550 725 905 1100
NOTES - The eect of static pressure, lter and electric heater resistance is included in the air volumes listed.
First stage cooling air volume is 70% of COOL speed setting. Continuous blower speed is approximately 50% of COOL speed setting.
Lennox Harmony III™ Zoning System applications - minimum blower speed is 250 cfm.