RedLINK compatible - Two wires at the thermostat - Wireless control of equipment using the THM5421R-1021/U Equipment Interface Module and RedLINK accessories (Not included)

7 day (All days seaparate) programming - Color touchscreen programming - Displays in 8.06 square inch standard touchscreen - Conventional systems have 3 heat and 2 cool stages - Heat pumps have 4 heat and 2 cool stages

Automatic or manual changeover - Horizontal mount - Smart Schedule programs in seconds for any lifestyle

Selectable for residential and light commercial applications - Light commercial language (occupied and unoccupied), schedule holidays and custom events, remote setback, economizer and time of day

All Prestige IAQ kits come standard with a return and discharge air temperature sensor to measure Delta T

Delta T Alerts and Diagnostics informs customers when their system is not performing as expected with instructions to contact the dealer

Alerts and User Interactions Log keeps a searchable history of alerts and setting changes to the thermostat to determine if there is a system malfunction or if the issue was caused by user error - Saves time in troubleshooting and points the technician in the right direction

Performance Logs keep a history of heating and cooling performance - The performance log includes Minimum and Maximum Delta T, Minimum and Maximum Discharge Temperature, Minimum and Maximum Return Temperature, Minimum and Maximum Indoor Temperature/Humidity, Minimum and Maximum Outdoor Temperature/Humidity and Run Time - Quickly determine if the system is performing as expected and reduces service time on the job

USB port for transferring Installer Setup, Customizable Reminders, Custom Events and Holidays to multiple thermostats - USB port for adding the dealer's full color business logo on the screen

3 assignable outputs to control humidification, dehumidification, ventilation and a stage of heating or cooling - 4 assignable inputs on the Equipment Interface Module (not included) can be used with wired outdoor, indoor or discharge sensors, occupancy sensor for remote setback and dry contact devices to trip pre-packaged or custom alerts such as a full drain pan or water leak