Lennox DAVE SIGNATURE SL297UHNV Installation Instructions Manual page 65

Troubleshooting: Continuous Fan Sequence of Operation
CALL FOR FAN
INDOOR BLOWER ON
CONTINUOUS FAN
DE-ENERGIZE INDOOR
1
CALL FOR FAN
SPEED
NO
MAINTAIN INDOOR
CALL FOR FAN
BLOWER AT
REMOVED?
CONTINUOUS FAN
YES
REQUEST
YES
MAINTAIN INDOOR
FOR COOLING
BLOWER AT
RECEIVED?
CONTINUOUS FAN
NO
REQUEST
YES
INDOOR BLOWER OFF
FOR HEAT
RECEIVED?
NO
BLOWER
1
4 GO TO CALL FOR COOLING
1
GO TO CALL FOR 1ST STAGE HEAT
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