Lennox SL280UHNV - Page 3

Page 3
BLOWER DATA -01 t0 -04 Models
SL280UH060NV36A BLOWER PERFORMANCE (less lter)
BOTTOM RETURN AIR
0.1 through 1.0 in. w.g. External Static Pressure Range
HEATING
1
Heating Speed
DIP Switch Settings
First Stage Heating Speed - cfm Second Stage Heating Speed - cfm
+24% 1015 1115
+18% 955 1060
+12% 895 995
+6% 845 935
Factory Default 785 875
–6% 730 815
–12% 685 755
–18% 630 700
COOLING
1
Cooling Speed
DIP Switch Settings
First Stage Cooling Speed - cfm Second Stage Cooling Speed - cfm
Low Medium-Low Medium-High
2
High Low Medium-Low Medium-High
2
High
+ 680 740 785 915 935 1025 1150 1295
Factory Default 625 660 720 815 835 930 1040 1185
– 565 580 650 740 745 825 925 1035
1
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specic DIP Switch Settings.
2
Factory default setting.
NOTES - The e󰀨ect 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
®
Smart Zoning System Applications - Minimum blower speed is 250 cfm.
SL280UH080NV48B BLOWER PERFORMANCE (less lter)
BOTTOM RETURN AIR
0.1 through 1.0 in. w.g. External Static Pressure Range
HEATING
1
Heating Speed
DIP Switch Settings
First Stage Heating Speed - cfm Second Stage Heating Speed - cfm
+24% 1295 1445
+18% 1230 1375
+12% 1155 1290
+6% 1095 1215
Factory Default 1015 1145
–6% 950 1065
–12% 885 985
–18% 810 910
COOLING
1
Cooling Speed
DIP Switch Settings
First Stage Cooling Speed - cfm Second Stage Cooling Speed - cfm
Low Medium-Low Medium-High
2
High Low Medium-Low Medium-High
2
High
+ 635 880 1020 1190 990 1270 1490 1710
Factory Default 565 775 915 1070 885 1135 1345 1540
– 545 670 820 955 775 1015 1205 1390
1
Cooling and heating speeds are based on a combination of DIP switch settings on the furnace control. Refer to Installation Instructions for specic DIP Switch Settings.
2
Factory default setting.
NOTES - The e󰀨ect 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
®
Smart Zoning System Applications - Minimum blower speed is 380 cfm.