Aprilaire 8810 Installation Manual
Model 8810 Thermostat
with Wi-Fi and
™
Event-Based
Air Cleaning
Safety &
Installation
Instructions
READ AND SAVE THESE INSTRUCTIONS
TABLE OF CONTENTS
WI-FI SETUP
WI-FI SETUP
Wi-Fi setup......................................................................................3
INSTALLATION
Installation location recommendations................................................................5
Outdoor temperature sensor (optional) ................................................................6
Thermostat mounting..............................................................................7
Power & reset options.............................................................................7
Wiring terminal ..................................................................................8
Wiring diagrams .................................................................................9
SETUP & TESTING
System setup instructions .........................................................................11
System test mode ...............................................................................18
REFERENCES
Quick reference to controls & display................................................................22
Thermostat features .............................................................................23
Troubleshooting .................................................................................24
Specifications...................................................................................26
2 3
To connect the 8810 thermostat to a Wi-Fi network follow the steps below.
Note: You will need a computer or mobile device with Wi-Fi and a web browser.
STEP 1 STEP 2
Verify the thermostat is in
Wi-Fi Connection Mode.
The thermostat by default will be in Wi-Fi Connection
Mode. To confirm that the thermostat is in Wi-Fi
Connection Mode, verify that the radio bars on the
thermostat are strobing as shown below.
Note: If the thermostat is not in Wi-Fi Connection
Mode, refer to the Owner’s manual for instructions on
clearing the Wi-Fi settings.
Connect to the thermostat using a
computer or mobile device.
On your computer or mobile device, scan for
available networks. The thermostat should appear
as APRILAIRE8810 followed by a unique identifier,
corresponding to the last 6 digits of the MAC address.
Connect to the thermostat you want to configure.
If you are installing multiple thermostats, you can
determine the MAC address of the specific thermostat
you are trying to configure by removing the cover on the
front of the thermostat to access the MAC address label.
(Continued on the following page.)
WI-FI SETUP
INSTALLATION
STEP 3 STEP 4
Configure the thermostat to connect
to the Wi-Fi network.
Open a web browser on your computer or mobile
device. In the browser enter:
http://192.168.1.99/index.html
In the web browser interface select the network you
want to connect the thermostat to, and enter the
network’s security credentials.
4 5
Verify the thermostat is connected
to the Wi-Fi network.
Once all the required information is entered in the
web browser interface, the thermostat will connect to
the Wi-Fi network you selected. After the thermostat
is connected to the Wi-Fi network, the thermostat
will display the radio bars based on the Wi-Fi signal
strength. If the radio bars are not displaying the
signal strength, refer to Wi-Fi Maintenance and
Troubleshooting in the Owner’s manual.
Note: If you are not using the thermostat with a home
automation system, but are instead using an Aprilaire
account to communicate with the thermostat, refer
to Wi-Fi Thermostat App User Guide and then
Start Up on my.aprilaire.com for instructions on
connecting to Wi-Fi and registering to an Aprilaire
account.
INSTALLATION LOCATION RECOMMENDATIONS
Thermostat should be mounted:
• On an interior wall, in a frequently occupied space.
• Approximately 5‘ above floor.
• At least 18” from outside wall.
• Thermostat can be mounted to a vertical junction box.
Do not mount thermostat:
• Behind doors, in corners, or other dead air spaces.
• In direct sunlight, near lighting fixtures, or other
appliances that give off heat.
• On an outside or unconditioned area wall.
• In the flow of a supply register, in stairwells, or near
outside doors.
• On a wall with concealed pipes or ductwork.
INSTALLATION
INSTALLATION
OUTDOOR TEMPERATURE SENSOR (OPTIONAL)
Outdoor temperature can be measured by attaching an
8052 sensor to the S1 and S2 terminals. System setting
#15 (Outdoor Sensor) is used to enable sensor.
Heat pump applications can use the outdoor temperature
to effectively utilize the heat pump:
• When the outdoor temperature is less than the Low
Balance Point, the heat pump will be locked out and
only auxiliary heating will be used to provide heating.
• When the outdoor temperature is higher than the High
Balance Point, the auxiliary heating will be locked out
and only the heat pump will be used to provide heating.
• Install on side of building out of direct sunlight
(north side recommended).
• Mount above snow line.
• Mount at least 3’ away from exhaust vents and
condensing lines.
• Maximum wire length is 300’.
• Do not route wires along 120 VAC lines.
THERMOSTAT MOUNTING
1. Remove the rear mounting plate from the thermostat.
2. Pull wires through the opening on the back of the rear
mounting plate.
3. Position and level the mounting plate of the thermostat on
wall and mark the hole locations with a pencil.
4. Drill 1/4” holes and insert supplied anchors (drywall only).
5. Place mounting plate over anchors, insert and tighten screws.
6. Seal wire entry holes to prevent drafts affecting temperature
readings.
90-2033
POWER & RESET OPTIONS
The thermostat is powered from 24VAC. In the case of power loss the thermostat will maintain the clock for 24
hours. The thermostat has a memory backup that saves the thermostat settings in case of power interruption.
The reset button located under the cover on the front of the thermostat can be used to reset the thermostat to
factory defaults. The system settings will also be set to default.
G
S1
C
W
RC
6 7
Y
R
S2
O/B
Y2
L
W2
INSTALLATION
TRANSFORMER
C
G
Y
W
R
L
S1
S2
O/B
W2
Y2
RC
HEATING
COOLING
C
G
Y
W
R
L
S1
S2
O/B
W2
Y2
RC
INSTALLATION
WIRING TERMINAL
Wire specifications
18-24 gauge thermostat wire
Installation notes
• Ensure power at the HVAC
equipment is off.
• Loosen screw terminals,
insert stripped wire and
re-tighten.
• Push the excess wire
back into the opening and
plug the wall opening to
prevent drafts.
8 9
RC – 24 VAC supply cooling*
R – 24 VAC supply heating*
W – First stage heat (conventional) / First stage auxiliary (heat pump)
Y – First stage cooling (conventional) / First stage compressor (heat pump)
G – Fan
C – Common
S1 & S2 – Outdoor temperature sensor (optional)
O/B – Reversing valve
L – System fault indicator
W2 – Second stage heat (conventional) / Second stage auxiliary (heat pump)
Y2 – Second stage cooling (conventional) / Second stage compressor (heat pump)
* Jumper between RC & R is used in single transformer systems (see wiring diagrams).
G
S1
C
S2
O/B
Y2
L
W2
RC
W
Y
R
WIRING – SINGLE TRANSFORMER (USE
JUMPER WIRE) FOR HEAT/COOL SYSTEM
JUMPER
1st HEATING
1st COOLING
FAN
SENSOR
OUTDOOR TEMP
NOT USED
2nd HEATING
NOT USED
WIRING – TWO TRANSFORMERS (REMOVE
JUMPER WIRE) FOR HEAT/COOL SYSTEM
TRANSFORMER
FAN
2nd COOLING
TRANSFORMER
1st HEATING
1st COOLING
SENSOR
OUTDOOR TEMP
NOT USED
NOT USED
2nd HEATING
2nd COOLING
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