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CBA38MV-030 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm
+ 660 880 1100 1320 660 880 1100 1320
NORM 600 800 1000 1200 600 800 1000 1200
– 540 720 900 1080 540 720 900 1080
NOTES - The effect 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 fan speed is approximately 28%, 38%, 70% and 100% (Jumper selectable) of the
same second-stage COOL speed selected, minimum 250 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 250 cfm.
CBA38MV-036 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm
+ 900 1225 1380 1545 900 1225 1380 1545
NORM 810 1125 1275 1400 810 1125 1275 1400
– 730 1000 1135 1265 730 1000 1135 1265
NOTES - The effect 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 fan speed is approximately 28%, 38%, 70% and 100% (Jumper selectable) of the
same second-stage COOL speed selected, minimum 250 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 250 cfm.
CBA38MV-042 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm
+ 1100 1320 1540 1760 1100 1320 1540 1760
NORM 1000 1200 1400 1600 1000 1200 1400 1600
– 900 1080 1260 1440 900 1080 1260 1440
NOTES - The effect 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 fan speed is approximately 28%, 38%, 70% and 100% (Jumper selectable) of the
same second-stage COOL speed selected, minimum 450 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 450 cfm.
CBA38MV-048 BLOWER PERFORMANCE
0 through 0.80 in. w.g. External Static Pressure Range
“ADJUST”
Jumper
Setting
Jumper Speed Positions
“HEAT” Speed “COOL” Speed
1 2 3 4 1 2 3 4
cfm cfm cfm cfm cfm cfm cfm cfm
+ 1625 1820 2055 2145 1625 1820 2055 2145
NORM 1425 1625 1805 2005 1425 1625 1805 2005
– 1205 1375 1555 1725 1205 1375 1555 1725
NOTES - The effect 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 fan speed is approximately 28%, 38%, 70% and 100% (Jumper selectable) of the
same second-stage COOL speed selected, minimum 450 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 450 cfm.