Aprilaire 8910 Ventilation System Settings Table, System test menu, System Test Steps

Setup & Testing

Ventilation System Settings Table

		Factory default setting (bold)
System setting	Description	and setting range
Fresh Air Vent Installed	Selects if ventilation is installed..	No
	(If set to no, no other ventilation settings will be available.)	Yes

Setup & Testing

System test menu

The system test menu is used to test a system after installation.. The outputs of the Home Comfort Control can be manually activated to test their function.. The instructions below show how to enter the test mode and turn outputs on and off..

Fresh Air Forces Fan	Selects if ventilation forces the fan on..	No
		Yes
Fresh Air Setup	Selects if ventilation is configured through the ASHRAE setup	Timed
	or Timed. If ASHRAE setup is selected, the hourly ventilation	ASHRAE
	time will be calculated using the ASHRAE recommendations..
	If Timed set-up is selected, the hourly ventilation time will be
	determined based on the Fresh Air Time value..
Fresh Air Time	Selects how many minutes per hour that ventilation will be	30 MIN/HR
	active.. (Only available if fresh air setup is set to timed..)	0 to 60 MIN/HR
High Limit Outdoor	Selects if ventilation is disabled if the outdoor temperature	No
Temp	exceeds the outdoor high limit. (Only available if fresh air setup	Yes
	is set to timed and an outdoor temperature sensor is installed..)

How to enter the system test menu:

Press [MODE] to set system to off..

Press and hold [FAN] and [MODE] for three seconds to enter system test mode..

The first screen of the installer test displays the equipment configuration..

Press [NEXT] to enter the first installation test or [CANCEL] to exit.

SYSTEM TEST STEPS

Heating equipment test Cooling equipment test Fan equipment test Humidification equipment test Dehumidification equipment test Ventilation equipment test

Air Cleaning equipment test

Outdoor High Limit	Sets the high temperature limit for ventilation.. (Only available if	100°F (38°C)
	high limit outdoor temp set to yes..)	90°F to 100°F (32°C to 44°C)
Low Limit Outdoor Temp	Selects if ventilation is disabled if the outdoor temperature	No
	exceeds the outdoor low limit. (Only available if fresh air setup	Yes
	is set to timed and an outdoor temperature sensor is installed..)
Outdoor Low Limit	Sets the low temperature limit for ventilation.. (Only available if	10°F (-7°C)
	low limit outdoor temp set to yes..)	-10°F to 30°F (-29°C to -1°C)
High Limit Indoor RH	Selects if ventilation is disabled if the indoor RH exceeds	No
	the indoor RH limit.. (Only available if fresh air setup is set to	Yes
	timed..)
Indoor RH Limit	Sets the high indoor RH limit for ventilation.. (Only available if	60%
	high limit indoor RH is set to yes..)	50% to 70%
Number of Bedrooms	Selects the number of bedrooms to be used for the ASHRAE	3 Bedrooms
	calculation.. (Only available if fresh air setup is set to ASHRAE..)	1 to 6 Bedrooms
Number of Occupants	Selects the number of occupants to be used for the ASHRAE	4 Occupants
	calculation.. (Only available if fresh air setup is set to ASHRAE..)	1 to 10 Occupants
Home Size	Selects the home size to be used for the ASHRAE calculation..	2500 SQ FT

Temperature

Humidity

Outdoor

Temperature

Equipment

Configuration

	(Only available if fresh air setup is set to ASHRAE..)	1000 to 5000 SQ FT
Fresh Air CFM	Selects the ventilation CFM to be used for the ASHRAE	60 CFM
	calculation.. (Only available if fresh air setup is set to ASHRAE..)	30 to 200 CFM
Select Climate	Selects the climate to be used for the ASHRAE calculation..	Normal
	(Only available if fresh air setup is set to ASHRAE..)	Very Hot/Humid
		Very Cold
ASHRAE Cycle Time	Displays the Fresh Air Time calculated by the ASHRAE	Minutes/Hour
	standard.. (Only displayed if fresh air setup is set to ASHRAE..)

Each equipment test will begin with the selection of turning on the output or stage as shown below..

Press or to change the selection..

Press [NEXT] to accept the selection and proceed to the next step.

If YES is selected, the Home Comfort Control will test the corresponding output. If NO is selected, the Home Comfort Control will proceed to the next step.

Note: In ASHRAE set-up temperature and humidity limits are disabled..

Temperature

Equipment Test Selection

Humidity

Outdoor Temperature

Test to be run

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