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BLOWER DATA
EL297DF070XV48B BLOWER PERFORMANCE (less filter)
BOTTOM RETURN AIR
0 through 0.8 in. w.g. (Heating) and 0 through 1.0 in. w.g. (Cooling) External Static Pressure Range
Heating Speed
1
DIP Switch
Settings
+24%
+18%
+12%
+6%
Factory Default
–6%
–12%
–18%
Cooling Speed
1
DIP Switch
Low
Settings
+
740
Factory Default
660
–
575
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specific
1
DIP Switch Settings.
Factory default setting.
2
NOTES - The effect of static pressure is included in air volumes shown.
First stage HEAT is approximately 91% of the same second stage HEAT.
First stage COOL (two-stage air conditioning units only) is approximately 70% of the same second stage COOL speed position.
Continuous Fan Only speed is selectable at 28% and 38% of the selected second stage cooling speed - minimum 380 cfm.
Lennox iHarmony
Zoning System Applications - Minimum blower speed is 380 cfm.
®
First Stage Heating Speed - cfm
1085
1030
950
910
850
790
740
680
First Stage Cooling Speed - cfm
Medium-Low Medium-High
915
1055
820
940
735
850
HEATING
Second Stage Heating Speed - cfm
COOLING
Second Stage Cooling Speed - cfm
High
Low
2
1255
1110
1120
995
995
880
Page 53
1635
1525
1450
1365
1310
1225
1135
1060
Medium-Low Medium-High
1340
1575
1230
1420
1085
1290
High
2
1800
1650
1460
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