Setup & Testing; Equipment Type Selection Switch (Sw1); Installer Setup Menu; Change System Settings - Aprilaire 8820 Safety & Installation Instructions

SETUP & TESTING

EQUIPMENT TYPE SELECTION SWITCH (SW1)

This thermostat has the option of being used in heat
pump or heat/cool systems . Switch SW1 located on the
back of the thermostat's face is used to select this option .
This setting is displayed in the Installer System Settings
under Equipment Type .

INSTALLER SETUP MENU

HOW TO ENTER THE INSTALLER SETUP MENU AND SELECT EQUIPMENT TO SETUP:
In the Installer Setup menu, Thermostat or Indoor Air Quality (IAQ) setup can be selected . If IAQ setup is selected, the
user can then select to set up Air Cleaning, Humidification, Dehumidification or Ventilation .
Press [MODE] to set system to OFF .
Press [MENU] to enter main menu .
Press and hold [SETUP] for seven seconds, [INSTALL
SETUP] appears .
Press [INSTALL SETUP] to enter installer setup menu .

CHANGE SYSTEM SETTINGS

SETTING SETTING
DESCRIPTION NUMBER
SETTING
OPTIONS
8
SW1
HC
HEAT/COOL
HP
HEAT PUMP
HC
HP
Press or to adjust the option .
Press [MENU] to exit .
Press [NEXT] to select option .
Note: If IAQ is selected prior to performing thermostat
setup, the Installer System Setting for Outdoor Sensor
will be presented prior to entering IAQ setup .
Press [NEXT] or [BACK] to page through the settings .
Press or to adjust the setting .
Press [DONE] to save and exit, or [CANCEL] to exit
without saving .
The thermostat will discard changes and exit if nothing is
pressed within 60 seconds .
To reset the Installer System Settings to the default
settings, reset the thermostat by pressing the [RESET]
button for 5 seconds .
SETUP & TESTING

THERMOSTAT INSTALLER SYSTEM SETTINGS TABLE

The following table contains the system settings and their details . Default settings are shown in bold . Some settings
are only available dependent upon the value of other settings .
System setting Description
00 . Automation Enable Selects if the thermostat connects with an
automation system or an Aprilaire account .
01 . Equipment Type Equipment type set by SW1 .
02 . Temperature Scale Set the thermostat to Fahrenheit or Celsius mode .
03 . Reversing Valve Selects O or B operation .
04 . Control Setup Used to lockout heating or cooling outputs .
Note: Only available if Equipment Type is set to
Heat/Cool .
05 . Heat/Cool: Cooling Stages Heat/Cool: Number of Cooling Stages .
Heat Pump: Compressor
Heat Pump: Number of Compressor Stages .
Stages
06 . Heat/Cool: Heating Stages Heat/Cool: Number of Heat Stages .
Heat Pump: Aux Heat
Heat Pump: Number of Auxiliary Heat Stages .
Stages
07 . Heat/Cool: Fan Control Heat/Cool: Determines if the thermostat or
in Heating equipment controls the fan in heating .
Heat Pump: Auxiliary
Heat Pump: Auxiliary Equipment type .
Equipment Type
08 . Extended Fan – Heat Extends fan operation after heat call ends .
09 . Extended Fan – Cool Extends fan operation after cool call ends .
10 . Temperature Sensor Offset Field adjustment of controlling temperature
sensor(s) .
11 . Humidity Offset Field adjustment of internal RH sensor .
12 . Auto Changeover Enable or disable Auto Changeover mode .
13 . Deadband Auto Changeover mode deadband .
14 . Remote Sensor Select if remote sensor is attached, and if it is
attached, if it is the primary control or averaged
with the built-in sensor . If the remote sensor is
the primary control it can be configured to use the
built-in sensor as a back-up sensor .
15 . Outdoor Sensor Selects if an outdoor temperature sensor is not
installed, a wired sensor is installed, or the outdoor
temperature is provided by the automation system .
Note: Automation is only available if Automation
Enable is set to Automation System .
18 . Compressor Min Off Time Minimum off time for compressor protection .
19 . Heating Min Off Time Minimum off time for heating .
20 . Equipment Min On Time Minimum on time for heating and cooling .
21 . Auto Changeover Time Minimum time between heating and cooling calls .
Factory default setting (bold)
and setting range
0: Aprilaire Cloud
1: Automation System
Heat/Cool
Heat Pump
Fahrenheit
Celsius
O – On in cooling
B – On in heating
Heat and Cool
Heat Only
Cool Only
One
Two
One
Two
Gas/Oil Heat (equipment controls fan)
Electric Heat (thermostat controls fan)
Disable
Enable (90 second extension)
Disable
Enable (90 second extension)
0° (no offset applied)
-4°F to +4°F (-2°C to +2°C)
0 (no offset applied)
-5% to +5%
Disable
Enable
3°F (1.5°C)
2°F to 9°F (1°C to 4 .5°C)
Not installed
Control no backup
Control with built-in backup
Average with thermostat built-in sensor
Not installed
Installed
Automation
5 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
2 minutes
1 to 5 minutes
4 minutes
1 to 5 minutes
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