Lennox DAVE SIGNATURE SL280DFV Installation Instructions Manual page 56

Troubleshooting: Continuous Fan Sequence of Operation
CALL FOR FAN
INDOOR BLOWER ON
CONTINUOUS FAN
DE-ENERGIZE INDOOR
Model Number -18%
All Models Allowed
Allowable Circulation Speeds
Model Number
All Models
1
CALL FOR FAN
SPEED
NO
CALL FOR FAN MAINTAIN INDOOR
REMOVED?
CONTINUOUS FAN
YES
REQUEST
YES
MAINTAIN INDOOR
FOR COOLING
RECEIVED?
CONTINUOUS FAN
NO
REQUEST
YES
FOR HEAT INDOOR BLOWER OFF
RECEIVED?
NO
BLOWER
1
Allowable Heating Speeds
-12% -6%
Allowed Allowed
TABLE 25
28%
(second stage cool)
Allowed
BLOWER AT
4
BLOWER AT
1
TABLE 24
Default +6%
Factory Setting Allowed
38%
(second stage cool)
Factory Setting
Page 56
GO TO CALL FOR COOLING
GO TO CALL FOR 1ST STAGE HEAT
+12% +18%
Allowed Allowed
+24%
Allowed