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
161 68-0311—07
Zoning and Ventilation
Fig. 363. Ventilation with zoning.
Setting up Ventilation Control on Prestige or Prestige IAQ
Select the terminals wired to the ventilator at ISU 10020 (U1, U2, U3). In Fig. 363, the ventilator is wired to U1. To ventilate
in all zones, set ISU 10060 Ventilation Fan Control to Equipment Controls Fan.
TrueDRY dehumidifier with Zoning
Fig. 364. Prestige IAQ with an HZ432 zone panel and a TrueDRY dehumidifier.
Setting up Dehumidification Control on Prestige or Prestige IAQ
Select the terminals wired to the dehumidifier at ISU 9040 (U1, U2, U3). In Fig. 364, the dehumidifier is wired to U1. To
dehumidify in all zones, set ISU 9130 Dehumidifier Fan Control to Equipment Controls Fan.
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
DS/BK
MCR31523
EQUIPMENT
C
R
W
Y
G
FURNACE
TrueZONE PANEL
PRESTIGE
IAQ EIM
ERV/HRV
INTERLOCK B G R
AUX W B G R
2
2
1
1
SELECT THE TERMINALS WIRED TO THE VENTILATOR AT ISU 10020 (U1, U2, U3).
TO VENTILATE IN ALL ZONES, SET ISU 10060 VENTILATION FAN CONTROL TO EQUIPMENT CONTROLS FAN.
FOR ALL ZONE PANEL WIRING NOT SHOWN IN THIS DIAGRAM, SEE OTHER ZONING DIAGRAMS OR ZONE PANEL
INSTALLATION INSTRUCTIONS.
RH
RC
W1/E
W2
W3
Y1
Y2
G
O
B
DS/BK
MCR31524
EQUIPMENT
C
R
W
Y
G
FURNACE
TrueZONE PANEL
PRESTIGE
IAQ EIM
TrueDRY DEHUMIDIFIER
DHUM R FAN C GT Rf Gf
2
2
1
1
SELECT THE TERMINALS WIRED TO THE VENTILATOR AT ISU 9040 (U1, U2, U3).
TO VENTILATE IN ALL ZONES, SET ISU 9130 DEHUMIDIFIER FAN CONTROL TO EQUIPMENT CONTROLS FAN.
FOR ALL ZONE PANEL WIRING NOT SHOWN IN THIS DIAGRAM, SEE OTHER ZONING DIAGRAMS OR ZONE PANEL
INSTALLATION INSTRUCTIONS.