Spec Sheet
Table Of Contents
- Application
- Features
- Contents
- Specifications
- System Installation
- 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
- 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
- Heat Pump and Backup Heat Operation
- Indoor Air Quality (IAQ) Control
- IAQ Reminders
- Customizable Reminders
- USB Port
- 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
- 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
- Troubleshooting
- Regulatory Information
THX9321 PRESTIGE
®
2.0 AND THX9421 PRESTIGE
®
IAQ WITH EIM
21 68-0311—07
Fig. 55. Finding thermostat password.
Installer Options
The following options are available when you access
Installer Options. For more information on each, press
Help on the thermostat or see Table 3.
Fig. 56. Installer Options screen.
NOTE: You can use the thermostat USB port to download
all Installer Setup settings, including your com-
pany name and contact information. You can
upload this data to each thermostat you install, to
save time.
Making Changes to Installer Setup
Follow these steps to set system options after initial
installation.
NOTE: Use a USB device to save set up time. See “USB
Port” beginning on page 121 for more informa-
tion.
1. Touch Menu.
2. Select Installer Options.
Dealer Informaon
OK
Table 3. Installer Options.
Menu Item Description
Create Setup Press CREATE SETUP to set all system
settings one by one.
View/Edit
Current Setup
Press VIEW/EDIT CURRENT SETUP to
select a specific function and make quick
changes
Set Up
Diagnostics
Press SET UP DIAGNOSTICS to set up
and test Delta T diagnostics.
Installer Test Press INSTALLER TEST to quickly
determine if the heat, cool, fan and
thermostat are operating properly.
Minimum off timers are ignored during
the test
Data Logs Press DATA LOGS to view the Alerts Log,
User Interactions Log, and Performance
Logs.
Wireless Device
Manager
Press WIRELESS DEVICE MANAGER to
add, remove, rename, or view the
connected wireless accessories.
Advanced
Options
Press ADVANCED OPTIONS to setup the
thermostat using a USB device or to
restore the thermostat to the factory
default settings.
NOTE: If the THX9321 has been setup
WITHOUT an Equipment Interface
Module or the TrueZONE Wireless
Adapter and you would like to add one,
you must reset the thermostat back to
factory defaults.