Document Outline

• Application
• Features
• Contents
• Specifications
• System Installation
  • When Installing this Product...
  • Finding Your Password (Date Code)
• Installation Options
  • Guidelines for Installing RedLINK Devices
  • Installing Equipment Interface Module (if used)
  • Wiring 24 Vac Common
  • Selecting Discharge and Return Air Temperature Sensor Mounting Locations
  • Selecting Return Air Temperature Sensor Mounting Location
  • Installing Discharge and Return Air Temperature Sensors
  • Selecting Thermostat Location
  • Installing Wallplate
• Power Optional REDLINK™ Accessories
• Performing Initial Setup
  • Linking Thermostat to Equipment Interface Module (if used)
  • Linking RedLINK™ Accessories
  • Completing Initial Setup
  • Adding RedLINK Accessories to the Thermostat
  • Locating the Connect Buttons on RedLINK Accessories
  • Finding Your Password (Date Code) to Access Installer Options
  • Installer Options
  • Making Changes to Installer Setup
• Installer Tests
  • Accessing Installer Tests
  • Using the Equipment Test
  • Using the Wireless Signal Strength Test
  • Mounting Optional Accessories
• Operation
  • Setting the time/date
  • Setting the fan
  • Setting system mode
  • Preset Energy-Saving Schedules
  • Adjusting program schedules
  • Overriding schedules: residential use
  • Overriding schedules: commercial use
  • Viewing equipment status
  • Setting vacation hold: residential use
  • Setting holiday/event schedules: commercial use
  • Setting custom events: commercial use
  • Setting holiday schedule: commercial use
  • Setting holiday override: commercial use
  • Initiating occupancy mode: commercial use
  • Remote setback: commercial use
  • Adjusting humidification settings
  • Adjusting dehumidification settings: residential use
  • Adjusting dehumidification settings: commercial use
  • Adjusting ventilation settings
  • Customizing screen color
  • Setting preferences
  • Cleaning the thermostat screen
  • Adjusting security settings
  • Viewing dealer information
  • Advanced Features
  • Installer options
  • Using the temperature display
  • Using the humidity display
• Universal Outputs (U1, U2, U3)
• Universal Inputs (S1, S2, S3, S4)
• Alerts and Diagnostics
  • Delta T Diagnostics
  • Before You Set Up Delta T Diagnostics
  • Setting up Alerts and Diagnostics
  • Delta T Alerts
  • Delta T Alerts and Utility Saver Switches
  • Data Logs
  • Dry Contact Alerts
  • Set Up the Dry Contact Alerts
  • Staging Control
• Heat Pump and Backup Heat Operation
  • Heat pump with outdoor temperature lockouts
  • Geothermal Radiant Heat
• Indoor Air Quality (IAQ) Control
  • Humidification
  • Dehumidification - Residential
  • Dehumidification - Commercial
  • Ventilation
• IAQ Reminders
• Customizable Reminders
• USB Port
  • Loading Dealer Information
  • Updating Thermostat Software (Prestige IAQ Only)
• Commercial Features
  • Overriding schedules: commercial use
  • Setting holiday/event schedules: commercial use
  • Setting custom events: commercial use
  • Setting holiday schedule: commercial use
  • Setting holiday override: commercial use
  • Initiating occupancy mode: commercial use
  • Ramp Rates
  • Custom Names
  • Remote Setback
  • Economizer and Time of Day (TOD) Operation
  • Pre-Occupancy Purge
  • Battery Replacement
• Optional Accessories
• Portable Comfort Control
• Remote Indoor Sensors
  • Indoor Sensor Operation
  • Wireless Indoor Sensor
• Backup Control
• Replacing a Thermostat
• Replacing an Equipment Interface Module
• Wiring
  • EIM Wiring Diagrams
  • THX9321 Thermostat Wiring Diagrams
  • THX9321 Thermostat Wiring Diagrams Using Universal Relays to Control Heating or Cooling
  • Wiring IAQ Equipment or a Heat/Cool Stage to the Universal Terminals
  • Economizer Module Wiring Diagrams
  • Wiring C7089U1006 Outdoor Sensor
  • Wiring guide — Wired Indoor Sensors
• Zoning
  • Zoning and Humidification
  • Zoning and Ventilation
  • TrueDRY dehumidifier with Zoning
  • Zoning FAQs
• Troubleshooting
• Regulatory Information