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CBX40UHV-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
+ 1230 1335 1445 1545 900 1225 1380 1545
NORM 1120 1215 1315 1400 810 1125 1275 1400
– 1010 1185 1200 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 380 cfm.
Lennox iHarmony
®
Zoning System applications - minimum blower speed is 380 cfm.
CBX40UHV-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.
CBX40UHV-048 AND CBX40UHV-060 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
+ 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 - 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-018/024 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
+ 465 690 900 1050 465 690 900 1050
NORM 425 620 825 950 425 620 825 950
– 385 560 735 850 385 560 735 850
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.