Aprilaire 6504, Owner'S Manual

Page: 5 / 12

5
MODEL 6504 CONTROL PANEL LED DESCRIPTION
LED COLOR STATUS THIS MEANS…
Blinks once per second when 24 VAC
POWER GREEN BLINKING
Power Applied – this is normal
ZONE 1 RED
OFF Zone 1 Damper Open
ON Zone 1 Damper Closed
ZONE 2 RED
OFF Zone 2 Damper Open
ON Zone 2 Damper Closed
ZONE 3 RED
OFF Zone 3 Damper Open
ON Zone 3 Damper Closed
ZONE 4 RED
OFF Zone 4 Damper Open
ON Zone 4 Damper Closed
FAN ON RED
ON System Blower Operating
OFF System Blower OFF
VENT RED
ON ERV or Ventilation Control Operating
OFF ERV or Ventilation Control OFF
EAC RED
ON Electronic Air Cleaner Operating
OFF Electronic Air Cleaner OFF
HUM. RED
ON Humidifier Operating
OFF Humidifier OFF
HEAT RED
ON Heating Equipment Operating
OFF Heating Equipment OFF
COOL RED
ON Cooling Equipment Operating
OFF Cooling Equipment OFF
LED lights on the side of the control panel indicate when the components of your Intelligent Zoned Comfort Control system
are operating: