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
TABLE OF CONTENTS
INSTALLATION
HVAC WIRING DIAGRAMS
INDOOR AIR QUALITY WIRING DIAGRAMS
POWER & RESET OPTIONS
SETUP & TESTING
REFERENCES
Power and reset options . . . . . . . . . . . . . . . . . . . . . . . 10
Installer setup wizard . . . . . . . . . . . . . . . . . . . . . . . . . 10
HVAC installer system settings tables . . . . . . . . . 10-12
General system settings table . . . . . . . . . . . . . . . . . 10
Thermostat system settings table . . . . . . . . . . . 11-12
Indoor Air Quality system settings tables . . . . . . . 13-16
Humidifier system settings table . . . . . . . . . . . . 13-14
Dehumidifier system settings table . . . . . . . . . . . . . 14
Air cleaning system settings table . . . . . . . . . . . . . . 15
Fresh air system settings table . . . . . . . . . . . . . 15-16
Installer system test . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Wi-Fi setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Quick reference to controls & display . . . . . . . . . . 17-18
Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
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 with separate transformers . . . 9
Indoor Air Quality wiring with a single transformer . . . . . 9
Safety & Installation
Instructions
Model 8920W Touch Screen
Wi‑Fi Thermostat with Integrated
Indoor Air Quality Solutions
READ AND SAVE THESE INSTRUCTIONS
61000995 B2205906G 10.18
English
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