THX9321 & THX9421 Product Data
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
123 68-0311—02
4. Touch or to select the Heat and Cool temperatures.
Fig. 290.
5. Review the settings and touch Done to save them. Touch
Back, then Cancel to ignore the changes.
Setting holiday override:
commercial use
This feature lets you customize temperature settings to be
maintained from now until a specified date. The thermostat
resumes normal scheduling on the date you select.
1. Touch MENU.
Fig. 291.
2. Select Holiday Mode to display temperatures while you
are away on holiday.
Fig. 292.
3. Touch or to select the Heat and Cool temperatures,
then touch Next to select return date.
Fig. 293.
4. Review the settings and touch Done to save them. Touch
Back, then Cancel to ignore the changes.
Fig. 294.
NOTE: The cool temperature can only be set higher than
the unoccupied program setting and the heat tem-
perature can only be set lower than the unoccu-
pied program setting.
Initiating occupancy mode:
commercial use
This feature keeps temperature at an energy-saving level until
you touch Press to start occupancy. When you arrive, touch the
button to maintain a comfortable temperature while the room is
occupied.
Fig. 295.
Touch the or buttons to set the temperature or the Hold
Until time. The temperature is maintained until the time you set.
Temperature returns to an energysaving level after the timer
expires, or the “Occupied” period ends.
NOTE: This feature is available only when programmed
by the installer.
Ramp Rates
When the ramp rate is set to Off, the thermostat begins
recovery at the scheduled time.
When a ramp rate is set, recovery begins early to reach the
setpoint by the program time. Based on your recovery ramp
setting and how far the thermostat is set back, the thermostat
determines how early to turn on the system.
If an outdoor sensor is installed, you can set outdoor
temperatures for mild, cold and hot days in your region. By
setting these outdoor temperatures, the thermostat will
MENU
Holiday Mode
Done
Press to start
occupancy