Lennox SL280DFNV Installation Instructions Manual page 55

Troubleshooting: Continuous Fan Sequence of Operation
CALL FOR FAN
INDOOR BLOWER ON
CONTINUOUS FAN
DE-ENERGIZE INDOOR
Model Number -18%
060NV36B
Allowed
080NV60C
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
INDOOR BLOWER OFF
FOR HEAT
RECEIVED?
NO
BLOWER
1
Allowable Heating Speeds
-12% -6%
Allowed Allowed
TABLE 24
28%
(second stage heat)
Allowed
BLOWER AT
4
BLOWER AT
1
TABLE 23
Default +6%
Factory Setting Allowed
38%
(second stage cool)
Factory Setting
Page 55
GO TO CALL FOR COOLING
GO TO CALL FOR 1ST STAGE HEAT
+12% +18%
Allowed Allowed
+24%
Allowed