Model 6504 Control Panel Led (Lights) Description - Aprilaire 6504 Owner's Manual

MODEL 6504 CONTROL PANEL LED DESCRIPTION
LED lights on the side of the control panel indicate when the components of your Intelligent Zoned Comfort Control system
are operating:
LED
POWER
ZONE 1
ZONE 2
ZONE 3
ZONE 4
FAN ON
VENT
EAC
HUM.
HEAT
COOL
COLOR STATUS
GREEN BLINKING
RED
RED
RED
RED
RED
RED
RED
RED
RED
RED
THIS MEANS...
Blinks once per second when 24 VAC
Power Applied – this is normal
OFF Zone 1 Damper Open
ON Zone 1 Damper Closed
OFF Zone 2 Damper Open
ON Zone 2 Damper Closed
OFF Zone 3 Damper Open
ON Zone 3 Damper Closed
OFF Zone 4 Damper Open
ON Zone 4 Damper Closed
ON System Blower Operating
OFF System Blower OFF
ON ERV or Ventilation Control Operating
OFF ERV or Ventilation Control OFF
ON Electronic Air Cleaner Operating
OFF Electronic Air Cleaner OFF
ON Humidifier Operating
OFF Humidifier OFF
ON Heating Equipment Operating
OFF Heating Equipment OFF
ON Cooling Equipment Operating
OFF Cooling Equipment OFF
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