Blower Data - Lennox SL280UHNV Series Unit Information

BLOWER DATA

SL280UH060NV36A 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
+ 595
Factory Default 565
– 510
SL280UH060NV36A BLOWER PERFORMANCE (less filter)
SINGLE SIDE 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
+ 575
Factory Default 535
– 475
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%, 38%, 70% and 100% 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
1030
965
925
870
825
775
735
685
First Stage Cooling Speed - cfm
Medium-Low Medium-High
715 815
680 735
610 695
First Stage Heating Speed - cfm
985
950
875
850
800
750
700
680
First Stage Cooling Speed - cfm
Medium-Low Medium-High
700 800
630 745
580 645
HEATING
Second Stage Heating Speed - cfm
COOLING
Second Stage Cooling Speed - cfm
High Low
2
920 845
840 790
780 715
HEATING
Second Stage Heating Speed - cfm
COOLING
Second Stage Cooling Speed - cfm
High Low
2
890 835
825 760
750 690
Page 16
1140
1075
1020
965
915
865
810
760
Medium-Low Medium-High
1015 1175
945 1070
845 980
1100
1050
1000
935
890
840
790
740
Medium-Low Medium-High
990 1145
890 1020
820 950
High
2
1340
1215
1120
High
2
1300
1185
1055