Skip Ribbon Commands
Skip to main content
SharePoint
Item 1 Of 4
PRESTIGE® IAQ 2.0 HD 2-WIRE COMFORT SYSTEM KIT. REDLINK ENABLED. INCLUDES 2-WIRE HD THERMOSTAT, IAQ

YTHX9421R5069/U

PRESTIGE® IAQ 2.0 HD 2-WIRE COMFORT SYSTEM KIT. REDLINK ENABLED. INCLUDES 2-WIRE HD THERMOSTAT, IAQ

This product is not for sale on this site. It may or may not be available on Customer.Resideo.com.
Find Equivalent or Replacement Products.

  • Product Info
  • Literature

Overview

The Prestige® IAQ 2.0 thermostat is a 2 wire high definition color touch screen thermostat, 7 day programmable, configurable for residential and light commercial, up to 4 heat / 2 cool heat pump and up to 3 heat / 2 cool conventional, controls humidification, dehumidification and ventilation, provides Delta T Alerts and Diagnostics, works with the Equipment Interface Module and RedLINK™ accessories including the RedLINK™ Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor and Wireless Indoor Sensor.

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.
  • 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, TrueSTEAM™ humidifier with Wireless Adapter and TrueZONE® zoning panel with Wireless Adapter.
  • Configurable 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 operating as expected with instructions to contact the dealer. Provides a sense of security and greater comfort while generating repeat business.
  • All Prestige® IAQ 2.0 systems 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.
  • 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.
  • 2 assignable inputs can be used with wired sensors, remote setback or dry contact devices to trip pre-packaged or custom alerts such as a full drain pan or water leak.
  • 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.

Product Specifications

Hazmat Information
UN 3091, LITHIUM METAL BATTERIES CONTAINED IN EQUIPMENT, 9
Application
Up to 3 Heat/2 Cool Conventional Systems; Up to 4 Heat/2 Cool Heat Pumps
Includes
THX9421R5013 Thermostat, THM5421R1013 Equipment Interface Module, C7089R1013 Wireless Outdoor Air Sensor and two C7735A1000 Duct Sensors
Used With
RedLINK™ enabled thermostats and accessories
Comments
Tri-Lingual Display (selectable for English, French or Spanish)
Electrical Ratings
18 to 30 Vac
Frequency
60 Hz,50 Hz
Stages
Up to 4 Heat / 2 Cool Heat Pump or Up to 3 Heat / 2 Cool Conventional
Electrical Connections
Screw terminals
Operating Humidity Range (% RH)
5 to 90% RH, non-condensing
Supply Voltage
18 to 30 Vac
Switch Positions (System)
HEAT-OFF-COOL-AUTO-EM.HEAT
Switch Positions (Fan)
AUTO-ON-CIRC
Operating Temperature Range (F)
32 F to 120 F
Operating Temperature Range (C)
0 C to 48.9 C
Power Method
Hardwired
Color
Arctic White
Programmability
7 Day Program or Non-Programmable
Terminal Designations
R, C then RedLINK to Equipment Interface Module
Display Size
8.06 sq in.
Changeover
Auto or Manual
Setting Temperature Range (F)
Heat: 40 F to 90 F; Cool 50 F to 99F
Setting Temperature Range (C)
Heat: 4.5 C to 32.0 C; Cool: 10 C to 37.0 C
Humidification Setting Range
Cooling: 40 to 80% RH. Heating: 10 to 60% RH.
Dehumidification Setting Range
40 to 80% RH.