Lennox SL280UHNV Installation Instructions Manual page 57
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Also See for SL280UHNV:
- Unit information (53 pages) ,
- Manual (50 pages) ,
- User's information manual (7 pages)
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Troubleshooting: Fan Sequence of Operation
CALL FOR FAN
INDOOR BLOWER ON
DE-ENERGIZE INDOOR
1
CALL FOR FAN
CONTINUOUS FAN
SPEED
NO
CALL FOR FAN
MAINTAIN INDOOR
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
Page 57
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