Aprilaire 8620 Quick Reference to controls & Display, System test TABLES CONTINUED, Home Screen

Setup & Testing

System test TABLES (CONTINUED)

Heat / Cool Cooling Equipment Test

		W		W2	Y		Y2		G
1st Stage Test					ON				ON
2nd Stage Test					ON		ON		ON
			Heat Pump Cooling Equipment Test
							O/B set to
	W		W2	Y	Y2	O		B	G
1st Stage Test				ON		ON			ON
2nd Stage Test				ON	ON	ON			ON

Note: System Variable 31, O/B operation selects O or B.

Fan Equipment Test

W	W2		Y	Y2		G
						ON
		Humidification Equipment Test
	I1/I2				G
	ON				ON
		Dehumidification Equipment Test
	I1/I2				G
	ON				ON
		Ventilation Equipment Test
	I1/I2				G
	ON				ON

Quick Reference to controls & Display

Home Screen

ROOM TEMPERATURE	Current DAY OUTDOOR TEMPERATURE ROOM RELATIVE HUMIDITY			TEMPERATURE SETTING
FAN MODE				Air Cleaning Button
				(Enters EVENT-BASED™Air
BUTTON				Cleaning Control Screen)
FAN MODE				Humidity Control Button
SETTING				(Enters Humidity Control
SYSTEM MODE				Screen)
				Fresh Air Button (Enters
BUTTON				Ventilation Control Screen)
SYSTEM MODE				Temperature ADJUSTMENT
SETTING				IndicatorS show through housing
				HEAT PUMP ONLY
				Emergency heat or
EQUIPMENT				AUXILIARY HEAT (RED)
				System FAULT (YELLOW)
STATUS
MESSAGE
CENTER
(SCROLLING TEXT)				HOLD BUTTON
				(SETS OR CLEARS HOLD)
LOW BATTERY
INDICATOR	CURRENT TIME & DATE	HEAT BLAST BUTTON	MAIN MENU BUTTON

Note: Backlight is activated with first button press and automatically turns off.

MAIN MENU

SET SCHEDULE	SET VACATION HOLD
	(HOLD–TO TIME AND DATE)
BUTTON
	SET CURRENT
	TIME AND DATE
CLEAN SCREEN	DONE BUTTON
(LOCKOUT TOUCH
	(EXIT MENU)
SCREEN FOR 30
SECONDS)
	USER SYSTEM SETTINGS

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