Product Overview

Highlights

• 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
• 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
• Red LINK internet gateway, portable comfort control (pcc), wireless outdoor sensor, wireless indoor sensor, wireless entry/exit remote, wireless vent and filter boost remote, true steam humidifier with wireless adapter and TrueZone zoning panel with wireless adapter
• 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 a user error
• Performance logs - keeps a history of heating and cooling performance
• Increase profit per job by including RedLink accessories that provide comfort and convenience
• 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
• Precise temperature control (+/- 1 deg F) for reliable and consistent temperature
• Multiple staging options to provide comfort or energy savings
• Lithium metal batteries contained in equipment
• 40 - 80% RH cooling and 10 - 60% RH heating humidification setting range, 40 - 80% RH dehumidification setting range

Specifications

Mid-City Product ID: 303895

Manufacturer: Resideo

Manufacturer Part Number: YTHX9421R5101WW/U

UPC: 85267025850

Additional Information: Display Size 8.06 Square Inch; Switch Position Heat-Off-Cool-Auto-EM Heat (System), Auto-On-Circ-Follow Schedule (Fan); Terminal Designation R, RC, RH, C, W-O/B, W2-AUX1, W3-AUX2, Y, Y2, G, A-L/A, U1, U1, U2, U2, U3, U3, S1, S1, S2, S2, S3, S3, S4, S4, A, B, C, D; Setting Temperature Rating 40 to 90 Deg F (Heating), 50 to 99 Deg F (Cooling); Accuracy +/-1 Deg F; Power Method Hardwired; Humidity Rating 5 to 90 Percent RH (Non-Condensing)

Application: For residential and light commercial applications, RedLink accessories

Brand: Resideo

Changeover: Auto/Manual

Cool Current: Y: 1 A, Y2: 0.6 A

Dimensions: 4-1/2 in W x 3-1/2 in H x 7/8 in D

Display Type: 8.06 sq-in Color Touchscreen

Electrical Connection: Screw Terminal

Fan Current: G: 0.5 A

Frequency Rating: 50/60 Hz

Heat Current: W2 (AUX): 0.6 A

Humidity Rating: 5 - 90% RH Non-Condensing

Mounting Type: Horizontal

Number Of Stages: Up to 3 Heat/2 Cool Conventional Systems, Up to 4 Heat/2 Cool Heat Pump

Power Source: Hardwired

Product Features: Smart Schedule Programs in Seconds for any Lifestyle; Patented Interview Based Programming and Installer Setup; Plain Language Setup, No Manual Needed; MicroSD Port for Copying the Installer Setup, Customizable Reminders, Custom Events and Holidays to Multiple Thermostat; MicroSD Port for Adding the Dealer's Contact Information on the Screen; 1 Assignable Output on the TH8321 Model to Control Humidification, Dehumidification, Ventilation or a Stage of Heating/Cooling; 1 Assignable Input can be Used with a Wired Outdoor, Indoor or Discharge Sensor; Extend Wireless Range of the Equipment Interface Module by Connecting a THM4000R1000 Wireless Adapter to the ABCD Terminal; Dual Powered Battery or Hardwired (C Wire); Precise Temperature Control (+/-1 Deg F) for Reliable and Consistent Temperature; Multiple Staging Options to Provide Comfort or Energy Saving; Energy Star Rated

Programmability: 7 day Program

Size: 4-1/2 Inch Width x 7/8 Inch Depth x 3-1/2 Inch Height

Standards/Approvals: UN 3091 Meets commercial code and is Title 24 Compliant

Switch Position: HEAT-OFF-COOL-AUTO-EM.HEAT (System), AUTO-ON-CIRC-FOLLOW SCHEDULE (Fan)

Switch Type: Auto/Manual

Temperature Rating: 32 to 120 Deg F

Temperature Settings: 40 - 90 deg F Heating, 50 - 99 deg F Cooling

Terminal Designation: R, RC, RH, C, W (O/B), W2 (AUX1), W3 (AUX2), Y, Y2, G, A-L/A, U1, U1, U2, U2, U3, U3, S1, S1, S2, S2, S3, S3, S4, S4, A, B, C, D

Type: 7-Day Programmable/Non-Programmable, 3-Heat/2-Cool Conventional System and 4-Heat/2-Cool Heat Pump

UNSPSC: 41112209

Voltage Rating: 18 to 30 Volt AC 50/60 Hertz