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
121 68-0311—02
COMMERCIAL FEATURES
The thermostat can be setup for residential or light commercial
applications (ISU 1010). When the thermostat is setup for
commercial, the thermostat meets commercial code, Title 24
and provides the following features:
• Commercial language (occupied and unoccupied)
• Temporary override (permanent hold is not allowed)
• Temporary override duration is limited to the amount set by
the installer
• Guide me through scheduling
• Adjustable ramp rates
• 365 holiday schedule
• Schedule up to 25 custom events
• Initiate occupancy
• Displays name on home screen
• Remote setback using an occupancy sensor
• Economizer or Time of Day output
• Pre-occupancy purge
• Additional dehumidification control options
Fig. 278.
Overriding schedules: commercial
use
Touch or to adjust the temperature. It will be maintained
until the hold time you set.
Fig. 279.
• To change the hold time, touch the Hold Until arrow buttons.
This time can be adjusted up to the maximum time set by
the installer.
• Touch Override to use a pre-set occupied temperature if a
person uses the room during an unoccupied period. The
new temperature will be maintained for 1 hour and can be
adjusted up to the maximum time set by the installer.
Fig. 280.
The programmed schedule will resume when the override timer
expires. Touch Cancel Hold at any time to resume the program
schedule.
Setting holiday/event schedules:
commercial use
This feature helps you conserve energy when the workplace is
unoccupied for special events and holidays.
1. Touch MENU.
Fig. 281.
2. Select Holiday/Event Scheduler.
Fig. 282.
3. Select the item you want to schedule.
• Custom Events lets you set up other days for special
schedules.
• US and Canadian Holiday options let you select from
a list of holidays commonly observed in each country.
Fig. 283.
4. Make selections as prompted on each screen. For more
information, see next two pages.
5. Touch Done to save your settings.
OVERRIDE
MENU
Holiday / Event Scheduler