Features

• Control heating, cooling and IAQ equipment with only 2 wires at the thermostat. Heating, cooling and IAQ equipment wires to the Equipment Interface Module.
• Smart Schedule - programs in seconds for any lifestyle
• Patented interview based programming and installer setup.
• RedLINK™ wireless communication.
• Increase profit per job by including RedLINK™ accessories that provide comfort and convenience. RedLINK™ accessories include the RedLINK™ Internet Gateway, Portable Comfort Control (PCC), Wireless Outdoor Sensor, Wireless Indoor Sensor, Wireless Entry/Exit Remote, Wireless Vent and Filter Boost Remote, TrueSTEAM™ humidifier with Wireless Adapter and TrueZONE® zoning panel with Wireless Adapter.
• Selectable for residential and light commercial applications. Meets commercial code and is title 24 compliant.
• Light commercial - commercial language (occupied and unoccupied), schedule holidays and custom events, remote setback, economizer and time of day.
• Delta T Alerts and Diagnostics informs customers when their system is not performing as expected with instructions to contact the dealer. Provides a sense of security and greater comfort while generating repeat business.
• All Prestige® IAQ kits come standard with a return and discharge air temperature sensor to measure Delta T.
• 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 - Keeps 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.
• Customizable Service Reminders allow dealers to remind their customers when its time to call for service, when their warranty is expiring and to provide customized alerts.
• 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 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.
• Extend wireless range of the Equipment Interface Module by connecting a THM4000R1000 Wireless Adapter to the ABCD terminals.
• Tri-lingual - English, French and Spanish display options.
• Precise temperature control (+/- 1° F) for reliable and consistent temperature.
• Multiple staging options to provide comfort or energy savings.
• THX9421R5021WW is ENERGY STAR^® Certified