Lennox SL280UHNV Series Unit Information page 19

BLOWER DATA
SL280UH080NV60C BLOWER PERFORMANCE (less filter)
Single Side Return Air - Air volumes in bold require Optional Return Air base and field fabricated transition to accommodate 20 x
25 x 1 in. air filter in order to maintain proper air velocity.
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
+ 1050
Factory Default 960
– 845
First Stage Heating Speed - cfm
1350
1280
1220
1155
1100
1020
965
870
First Stage Cooling Speed - cfm
Medium-Low Medium-High
1180 1350
1080 1225
950 1110
HEATING
Second Stage Heating Speed - cfm
COOLING
Second Stage Cooling Speed - cfm
High Low
2
1570 1500
1420 1370
1290 1235
Page 19
1485
1420
1345
1270
1200
1135
1070
980
Medium-Low Medium-High
1700 1915
1540 1760
1390 1570
High
2
2240
2035
1840