Aprilaire 8620 Indoor Air Quality System SettingS Tables, Air Cleaning System Settings Table

Page 6

Setup & Testing

Indoor Air Quality System SettingS Tables

The following tables contain the Indoor Air Quality system settings and their details.. Default settings are shown in bold.. Some settings are only present dependent upon the value of other settings..

The use of the included outdoor temperature sensor (recommended) enables additional Indoor Air Quality functionality.. If the outdoor temperature sensor was not enabled in the HVAC system settings, HVAC system setting 11, outdoor sensor, will be presented prior to entering the Indoor Air Quality system settings.

Please refer to the Model 8620 Owner’s Manual for further information about thermostat features.

Air Cleaning System Settings Table

 

 

Factory default setting (bold)

System setting

Description

and setting range

Air Cleaner Installed

Selects if an air cleaner is installed. (If set to no, no other

No

 

air cleaning settings will be available..)

Yes

Change Air Filter Reminder

The period for displaying the “Change Air Filter” message.

Off

 

 

1 to 12 months or “Off” to disable

Humidifier System Settings Table

Note: A humidifier can only be installed if ventilation is not installed and dehumidifier control is not set to whole home..

 

 

Factory default setting (bold)

System setting

Description

and setting range

 

 

 

Humidifier Installed

Selects if a humidifier is installed. (If set to no, no other

No

 

humidifier settings will be available..)

Yes

Humidifier Mode

Selects auto or manual mode.. Auto mode controls humidity

Auto

 

based on the humidity setting and outdoor temperature..

Manual

 

Manual mode controls humidity based on the %RH setpoint.

 

 

(Auto mode is only available if outdoor sensor is set to yes..)

 

Humidity Setpoint

Select the minimum difference between the humidifier

10 Percent RH

Deadband

and dehumidifier setpoints.. (Only available if humidifier

10 to 20 Percent RH

 

mode is set to manual and dehumidifier control is set to air

 

 

conditioner.. Available in both set-ups..)

 

Humidifier Operation

Selects when humidification is allowed to occur relative to

Heat Only

 

heating and fan operation..

Heat or Fan

 

 

Forces Fan

Change Water Panel

Selects the when the “Change Water Panel” message is

Off

Reminder

displayed..

1 Per Season

 

 

2 Per Season

 

 

300 Hours

 

 

600 Hours

Reminder Month (Change

Change Water Panel Reminder set to 1 per Season:

October

Water Panel Reminder set

Determines the month the “Change Water Panel” message

November

to 1 per Season)

is displayed..

December

 

 

January

First Reminder Month

Change Water Panel Reminder set to 2 per Season:

February

(Change Water Panel

Determines the first month the “Change Water Panel”

March

Reminder set to 2 per

message is displayed..

April

Season)

 

May

 

 

June

 

 

July

 

 

August

 

 

September

Second Reminder Start

Determines the second month the “Change Water Panel”

October

Month

message is displayed.. (Only available when Change Water

November

 

Panel Reminder set to 2 per Season..)

December

 

 

January

 

 

February

 

 

March

 

 

April

 

 

May

 

 

June

 

 

July

 

 

August

 

 

September

10

Setup & Testing

Dehumidifier System Settings Table

Note: Dehumidifier control can only be set to whole home if ventilation and humidification are not installed..

 

 

Factory default setting (bold)

System setting

Description

and setting range

Dehumidifier Control

Selects method of dehumidification.(If set to none, no

None (no dehumidification installed)

 

other dehumidifier settings will be available..)

Whole Home

 

 

Air Conditioner

Humidity Setpoint Deadband

Select the minimum difference between the humidifier

10 Percent RH

 

and dehumidifier setpoints.. (Only available if

10 to 20 Percent RH

 

humidifier mode is set to manual and dehumidifier

 

 

control is set to air conditioner.. Available in both

 

 

set-ups..)

 

Lockout Dehumidifier During

Selects if dehumidification is disabled during a cooling

No

Cooling

call.. (Only available if dehumidifier control is set to

Yes

 

whole home..)

 

Dehumidifier Forces Fan

Select if dehumidification can turn on the fan.. (Only

No

 

available if dehumidifier control is set to whole home..)

Yes

Dehumidifier Service

The period for displaying the “Dehum Service

Off

Reminder

Reminder” message. (Only available if dehumidifier

1 to 12 months or “Off” to disable

 

control is set to whole home..)

 

Dehumidifier Overcooling

Selects the amount of overcooling that can occur

3°F (1.5°C)

Limit

for dehumidification.. (Only available if dehumidifier

1°F to 3°F (0.5°C to 1.5°C)

 

control is set to air conditioner..)

 

Dehumidify in Vacation

Selects if dehumidification with the air conditioner is

No

Mode

done in Vacation Mode. (Only available if dehumidifier

Yes

 

control is set to air conditioner..

 

Vacation Dehumidifier Low

Sets the lowest temperature the air conditioner will cool

75°F (24°C)

Temp Limit

to meet RH setpoint in Vacation Mode. (Only available if

70°F to 85°F (21°C to 29°C)

 

dehumidifier control is set to air conditioner..)

 

Ventilation System Settings Table

Note: Ventilation can only be installed if humidification is not installed and dehumidifier control is not set to whole home..

 

 

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

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..)

 

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 38°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 (-11°C)

 

low limit outdoor temp set to yes..)

-10°F to 30°F (-23°C to -1°C)

High Limit Indoor RH

Selects if ventilation is disabled if the indoor RH exceeds the

No

 

indoor RH limit.. (Only available if fresh air setup is set to timed..)

Yes

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%

11

Image 6
Contents Safety Installation Instructions Table of contentsInstallation Conventional HEAT/COOL Wiring Diagrams Heat Pump Wiring DiagramsVentilation Wiring Setup & TestingEquipment Type Selection Switch SW1 Change System SettingsHvac Installer System Settings Table Humidifier System Settings Table Indoor Air Quality System SettingS TablesAir Cleaning System Settings Table Dehumidifier System Settings TableClimate MAP for Ashrae Fresh AIR Setup System Test StepsSystem test Tables Set toMain Menu Quick Reference to controls & DisplayHome Screen 1st Stage Test 2nd Stage TestTroubleshooting Error CodesThermostat Features Electrical SpecificationsEnvironment Thermal
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8620 specifications

The Aprilaire 8620 is a cutting-edge thermostat designed to enhance home comfort while promoting energy efficiency. This advanced device combines innovative features and smart technology, making it an ideal choice for homeowners seeking to optimize their HVAC systems.

One of the standout features of the Aprilaire 8620 is its user-friendly interface. The thermostat boasts a large, easy-to-read display that allows users to quickly navigate through its settings. This intuitive design ensures that adjusting temperature settings or changing modes is a hassle-free experience. The backlit screen is especially beneficial in low-light situations, providing visibility for users at any time of day.

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In summary, the Aprilaire 8620 stands out as a premium thermostat option that combines user-friendly design, programmable scheduling, Wi-Fi connectivity, compatibility with multiple systems, and advanced humidity control. With its suite of features and smart technology, it represents a significant investment in home comfort and energy efficiency for any homeowner.