Aprilaire 8910W Safety & Installation Instructions

Thermostat installation location recommendations ...2
Thermostat mounting...........................2
Equipment control module installation location
recommendations..............................2
Equipment control module mounting ..............2
Thermostat wiring .............................3
Remote temperature sensor (optional) .............3
Equipment control module wiring .................4
Outdoor temperature sensor (included).............5
Optional wireless outdoor temperature
and humidity sensor ...........................5
Return air temperature sensor (optional) ...........6
Leaving air temperature sensor (optional) ..........6
Wi-Fi Setup ..................................2
TABLE OF CONTENTS
INSTALLATION
WI-FI SETUP
POWER & RESET OPTIONS
SETUP & TESTING
REFERENCES
Power and reset options .......................10
Removal of Indoor Air Quality control buttons ......10
Equipment type selection switch (SW1) ...........11
Installer setup menu ..........................11
Change system settings........................11
HVAC installer system settings table ..........12-13
Indoor Air Quality system settings tables.......14-16
Air cleaning system settings table..............14
Humidifier system settings table............14-15
Dehumidifier system settings table.............15
Ventilation system settings table...............16
System test menu .........................17-18
System test tables.........................18-20
Quick reference to controls & display..........21-22
Troubleshooting ...........................22-23
Error codes ..................................23
Thermostat features ..........................23
Specifications................................24
HVAC WIRING DIAGRAMS
Conventional heat/cool single transformer..........7
Conventional heat/cool two transformer ...........7
Heat pump single transformer....................8
Heat pump two transformer .....................8
INDOOR AIR QUALITY WIRING DIAGRAMS
Indoor Air Quality wiring with separate transformers ...9
Indoor Air Quality wiring with a single transformer.....9
Model 8910W Touch Screen
Wi‑Fi Thermostat with Integrated
Indoor Air Quality Solutions
Includes Wired Outdoor Temperature Sensor
Safety & Installation
Instructions
READ AND SAVE THESE INSTRUCTIONS
61001131 B2206504E 4.18
English 1

Aprilaire 8910W Specifications

General

Connectivity	Wi-Fi
Humidity Control	Yes
Programmable	Yes
Remote Access	Yes
Energy Star Certified	Yes
Power Source	24V AC
Compatibility	Works with most HVAC systems
Display	Color touchscreen
Mobile App	Yes, Aprilaire Healthy Air App
Stages	2 Heat / 2 Cool