Lennox DAVE SIGNATURE SL297UHNV Installation Instructions Manual page 43

BLOWER DATA
SL297UH040NV36B 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 DIP
1
Switch Settings
+24%
+18%
+12%
+6%
Factory Default
–6%
–12%
–18%
Cooling Speed DIP
1
Switch Settings
Low
+ 549
Factory Default 521
– 441
BLOWER DATA
SL297UH060NV36B 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
1 Heating Speed
DIP Switch Settings
+24%
+18%
+12%
+6%
Factory Default
–6%
–12%
–18%
1 Cooling Speed
DIP Switch Settings
Low
+ 611
Factory Default 554
– 486
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specific DIP Switch Settings.
1
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 250 cfm.
Lennox iHarmony Zoning System Applications - Minimum blower speed is 250 cfm.
®
First Stage Heating Speed - cfm
1151
1101
816
771
704
651
578
542
First Stage Cooling Speed - cfm
Medium-Low Medium-High
732 862
637 760
560 684
First Stage Heating Speed - cfm
1106
1047
989
940
886
837
780
722
First Stage Cooling Speed - cfm
Medium-Low Medium-High
739 843
681 783
630 712
HEATING
COOLING
High Low
2
970 907
873 830
784 736
HEATING
COOLING
2 High Low
949 879
883 816
802 739
Page 43
Second Stage Heating Speed - cfm
1153
1099
1041
999
944
887
826
757
Second Stage Cooling Speed - cfm
Medium-Low Medium-High
1072 1233
975 1117
874 1014
Second Stage Heating Speed - cfm
1234
1158
1110
1054
999
947
882
826
Second Stage Cooling Speed - cfm
Medium-Low Medium-High
1046 1212
952 1107
876 1006
High
2
1373
1268
1142
2 High
1380
1254
1132