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
23 68-0311—02
1060 Outdoor Air Sensor
No
Yes
No Both No This ISU automatically defaults to Yes
when a Wireless Outdoor Sensor is
connected.
An Outdoor Sensor is required to set the
following ISUs:
ISU 3120 Outdoor Temperature Lockouts
(Compressor Lockout and Backup Heat
Lockout)
ISU 4050 Outdoor Temperature used with
Minimum Heat Recovery Ramp Rate
ISU 4060 Outdoor Temperature used with
Maximum Heat Recovery Ramp Rate
ISU 4070 Outdoor Temperature used with
Minimum Cool Recovery Ramp Rate
ISU 4080 Outdoor Temperature used with
Maximum Cool Recovery Ramp Rate
ISU 8050 Humidification - Window
Protection
ISU 10130 Ventilation Low Temperature
Lockout
ISU 10130 Ventilation High Temperature
Lockout
ISU 10130 Ventilation High Dew Point
Lockout (requires Wireless Outdoor
Sensor)
ISU 13070 Allow Heat Delta T Diagnostics
when Outdoor Temperature is [Out. Temp.
Range]
ISU 13080 Allow Heat Delta T Diagnostics
when Outdoor Humidity is [Out. Humidity
Range]
ISU 13110 Allow Backup Heat Delta T Diag.
when Outdoor Temperature is [Out. Temp.
Range]
ISU 13120 Allow Backup Heat Delta T
Diagnostics when Outdoor Humidity is
[Out. Humidity Range]
ISU 13150 Allow Cool Delta T Diagnostics
when Outdoor Temperature is [Out. Temp.
Range]
ISU 13160 Allow Cool Delta T Diagnostics
when Outdoor Temperature is [Out.
Humidity Range]
2000 Heating System
Type
Conventional Forced Air Heat
Heat Pump
Radiant Heat
Other
None (Cool Only)
Conventional
Forced Air Heat
Both No
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes