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
68-0311—02 62
10130 Ventilation High
Temperature
Lockout
Off
80° F to 110° F (in 5° F
increments)
Off Both No Requires an outdoor sensor.
This ISU is only displayed when ISU 10000
Ventilation Type is set to ERV / HRV or
Fresh Air Damper.
See “Ventilation — Outdoor Condition
Lockouts (ISU 10130)” beginning on
page 113.
10130 Ventilation High
Dew Point Lockout
Off
65° F to 85° F (in 5° F increments)
Off Both No Requires a Wireless Outdoor Sensor
(sense outdoor humidity).
This ISU is only displayed when ISU 10000
Ventilation Type is set to ERV / HRV or
Fresh Air Damper.
See “Ventilation — Outdoor Condition
Lockouts (ISU 10130)” beginning on
page 113.
10140 Lockout Ventilation
on Humidification
or
Dehumidification
Calls
Off
On
Off Both No This feature is used to help reach the user's
desired humidity level by not allowing the
ventilation equipment to run during a call
for humidification or dehumidification.
Off: Ventilation is allowed to run during a
call for humidification or dehumidification.
On: Ventilation is NOT allowed to run
during a call for humidification or
dehumidification.
10160 Ventilate on High
Indoor Humidity
Off
On (Heat Mode Only)
On (Heat Mode
Only)
Both No This ISU is only displayed when ISU 10000
Ventilation Type is set to ERV / HRV.
Off: The humidity level has no effect on
ventilation.
On: The thermostat removes excess
humidity by turning on the ventilator when
the indoor humidity rises 10% above the
user's humidification setting. The
thermostat must be in the heat mode to
ventilate on high humidity.
10170 Ventilator Core
Cleaning Reminder
Off
3, 6, 9, 12 Calendar Months
Off Both No
10170 Ventilator Filter
Cleaning Reminder
Off
3, 6, 9, 12 Calendar Months
Off Both No
11000 Number of UV
Devices
0, 1, 2
0 Both No Press the up/down arrows to select the
number of UV devices installed in the
system. Some systems may have two UV
devices, one for the A-Coil and another for
Air Treatment. A replacement reminder can
be setup for each one. Select 0 if no UV
devices are installed.
11050 UV Bulb 1
Replacement
Reminder
Note: “1” is not
displayed if there is
only 1 UV Bulb
Off, 6, 12, 24 Calendar Months
Off Both No
Table 4. Installer Setup (ISU) Table. (Continued)
ISU
Number
Installer Setup
Name Settings Default
Residential,
Commercial
or Both
Requires
EIM Notes