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
45 68-0311—07
4100 Minimum Cool
Setpoint
50° F to 99° F
50° F Both No The user cannot set the temperature below this
level.
4100 Maximum Heat
Setpoint
40° F to 90° F
90° F Both No The user cannot set the temperature above this
level.
4110 Keypad Lockout
Unlocked
Partially Locked
Fully Locked
Unlocked Both No Unlocked: User has access to all thermostat
settings.
Partially Locked: User can modify only
temperature settings.
Fully Locked: User cannot modify any settings.
4120 Residential:
Entry / Exit Remote -
Home Cool Setpoint
Commercial:
Entry / Exit Remote -
Occupied Cool
Setpoint
None
50° F to 99° F
Note: setpoint is limited based on
setting at ISU 4100.
75° F Both No The thermostat maintains this Cool setting
when the user presses Home / Occupied at the
Entry / Exit Remote. Select None to delete this
temperature setting. The thermostat only
responds to the Entry / Exit Remote if a
temperature is pre-set at this screen. See
“Wireless Entry/Exit Remote” beginning on
page 130.
4120 Residential:
Entry / Exit Remote -
Home Heat Setpoint
Commercial:
Entry / Exit Remote -
Occupied Heat
Setpoint
None
40° F to 90° F
Note: setpoint is limited based on
setting at ISU 4100.
70° F Both No The thermostat maintains this Heat setting
when the user presses Home / Occupied at the
Entry / Exit Remote. Select None to delete this
temperature setting. The thermostat only
responds to the Entry / Exit Remote if a
temperature is pre-set at this screen. See
“Wireless Entry/Exit Remote” beginning on
page 130.
4130 Residential:
Entry / Exit Remote -
Away Cool Setpoint
Commercial:
Entry / Exit Remote -
Unoccupied Cool
Setpoint
None
50° F to 99° F
Note: setpoint is limited based on
setting at ISU 4100.
78° F Both No The thermostat maintains this Cool setting
when the user presses Away / Unoccupied at
the Entry / Exit Remote. Select None to delete
this temperature setting. The thermostat only
responds to the Entry / Exit Remote if a
temperature is pre-set at this screen. See
“Wireless Entry/Exit Remote” beginning on
page 130.
4130 Residential:
Entry / Exit Remote -
Away Heat Setpoint
Commercial:
Entry / Exit Remote -
Unoccupied Heat
Setpoint
None
40° F to 90° F
Note: setpoint is limited based on
setting at ISU 4100.
65° F Both No The thermostat maintains this Heat setting
when the user presses Away / Unoccupied at
the Entry / Exit Remote. Select None to delete
this temperature setting. The thermostat only
responds to the Entry / Exit Remote if a
temperature is pre-set at this screen. See
“Wireless Entry/Exit Remote” beginning on
page 130.
4140 Residential:
Entry / Exit Remote -
Vacation Cool
Setpoint
Commercial:
Entry / Exit Remote -
Holiday Cool
Setpoint
None
50° F to 99° F
Note: setpoint is limited based on
setting at ISU 4100.
82° F Both No The thermostat maintains this Cool setting
when the user presses Vacation / Holiday at the
Entry / Exit Remote. Select None to delete this
temperature setting. The thermostat only
responds to the Entry / Exit Remote if a
temperature is pre-set at this screen. See
“Wireless Entry/Exit Remote” beginning on
page 130.
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes