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