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
63 68-0311—07
13080 Allow Heat Delta T
Diagnostics when
Outdoor Humidity is
[Outdoor Humidity
Range]
Minimum Setting
No Limit
0% to 95% (in 5% increments)
No Limit
(Always)
Both Yes This ISU only applies to Heating.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the outdoor humidity is within a
certain range. Set to No Limit to monitor Delta
T during all outdoor humidity conditions.
13080
Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
13090 Allow Backup Heat
Delta T Diagnostics
when Indoor
Temperature is
[Indoor Temperature
Range]
Minimum Setting
No Limit
35° F to 115° F (in 5° F
increments)
No Limit
(Always)
Both Yes This ISU only applies to Backup Heat.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the indoor temperature is within a
certain range. Set to No Limit to monitor Delta
T during all indoor temperature conditions.
13090
Maximum Setting
No Limit
40° F to 120° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13100 Allow Backup Heat
Delta T Diagnostics
when Indoor
Humidity is [Indoor
Humidity Range]
Minimum Setting
No Limit
0% to 95% (in 5% increments)
No Limit
(Always)
Both Yes This ISU only applies to Backup Heat.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the indoor humidity is within a
certain range. Set to No Limit to monitor Delta
T during all indoor humidity conditions.
13100
Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
13110 Allow Backup Heat
Delta T Diagnostics
when Outdoor
Temperature is
[Outdoor
Temperature Range]
Minimum Setting
No Limit
-50° F to 135° F (in 5° F
increments)
No Limit
(Always)
Both Yes This ISU only applies to Backup Heat.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the outdoor temperature is within a
certain range. Set to No Limit to monitor Delta
T during all outdoor temperature conditions.
13110
Maximum Setting
No Limit
-45° F to 140° F (in 5° F
increments)
No Limit
(Always)
Both Yes
13120 Allow Backup Heat
Delta T Diagnostics
when Outdoor
Humidity is [Outdoor
Humidity Range]
Minimum Setting
No Limit
0% to 95% (in 5% increments)
No Limit
(Always)
Both Yes This ISU only applies to Backup Heat.
This ISU is only displayed when ISU 13015 Set
Advanced Diagnostic Options is set to Yes.
The thermostat monitors Delta T of the system
ONLY when the outdoor humidity is within a
certain range. Set to No Limit to monitor Delta
T during all outdoor humidity conditions.
13120
Maximum Setting
No Limit
5% to 100% (in 5% increments)
No Limit
(Always)
Both Yes
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes