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Honeywell Home THX9321 Prestige 2.0 User Manual

Honeywell Home THX9321 Prestige 2.0
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PRODUCT DATA
68-0311-08
THX9321 Prestige
®
2.0 and
THX9421 Prestige
®
IAQ with EIM
APPLICATION
The Prestige 2.0 and Prestige IAQ Systems feature an
effortless, 7-Day programmable color touchscreen
thermostat that provides control of temperature,
humidification, dehumidification, and ventilation for up to
4 Heat/2 Cool heat pump systems or up to 3 Heat/2 Cool
conventional systems for residential and commercial
applications.
FEATURES
RedLINK™ Compatible
Increase your content and profit per job by including
RedLINK™ accessories that meet your customers
comfort and convenience needs. RedLINK accessories
include the Wireless Outdoor Sensor, Portable Comfort
Control (PCC), Equipment Interface Module (EIM),
RedLINK Internet Gateway, Wireless Indoor Sensor,
TrueZONE™ zoning panel with Wireless Adapter, Vent
Boost Remote and Entry/Exit Remote.
Also Compatible with Equipment Remote Module
(ERM) ERM5220R
Customizable Service Reminders
Set up to 10 service reminders. Choose from the pre-set
options or customize your own. Reminders based on
date or the outdoor temperature.
Delta T Alerts and Diagnostics
Alerts give customers a sense of security while allowing
you to service or replace the equipment prior to a loss of
heating or cooling. Based on limits you set at installa-
tion, customers can be alerted when their system is not
operating as expected. The system alert will instruct
customers to contact you for assistance. Requires
Equipment Interface Module.
Delta T Installer Test
Save time by viewing Delta T while running a system
test to verify proper operation. Requires Equipment
Interface Module.
Sensor Inputs
EIM - S1, S2, S3, S4
Assignable inputs allow you to setup Indoor and
Outdoor Temperature Sensors, Discharge and Return
Air Sensors or Dry Contact Devices. Dry Contact
Devices can be used to trip pre-set or customized alerts
on the thermostat home screen. Requires Equipment
Interface Module.
Data Logs
The thermostat stores an Alerts Log, User Interactions
Log and a Performance Log to quickly determine if an
issue is caused by a system error or an accidental user
error. Note: The Performance Log only applies to the
THX9421 thermostat.
Selectable for Residential and Light Commercial
Applications
One thermostat does it all to meet the needs of Resi-
dential and Light Commercial applications. Simply
select Residential or Commercial during the installer
setup. If Commercial is selected, the thermostat will use
commercial language, meet building codes and offer
365 day holiday scheduling.
USB Port for Quick Installer Setup
Save time by using a USB stick to upload installer set-
tings, and service reminders in one simple step.
Selectable Sensors
When paired with a Wireless Indoor Sensor(s) you have
the ability to choose which sensor(s) to use for tem-
perature, humidification and dehumidification. They
can be used in combination for temperature averag-
ing—or individually—to condition humidity levels in
separate spaces.
THX9321 Prestige
®
2.0
(Obsolete)
THX9421 Prestige
®
IAQ with EIM
HOME FAN
SYSTEM
MENU
SET TO
72
°
INDOOR
72
°
45% Humidity
following schedule
OUTDOOR
80°/55% Humidity
STATUS
cool mode
Fri, Apr 26, 2019
6:30 pm
INTERNET
POWER
REDLINK
HOME FAN
SYSTEM
MENU
SET TO
72
°
INDOOR
72
°
45% Humidity
following schedule
OUTDOOR
80°/55% Humidity
STATUS
cool mode
Fri, Apr 26, 2019
6:30 pm
pm
HOME
COOL
OFF

Table of Contents

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Honeywell Home THX9321 Prestige 2.0 Specifications

General IconGeneral
BrandHoneywell Home
ModelTHX9321 Prestige 2.0
CategoryThermostat
LanguageEnglish

Summary

PRODUCT DATA

APPLICATION

Describes the system's use and capabilities for residential and commercial applications.

FEATURES

Lists key features of the thermostat system, including RedLINK compatibility and customizable reminders.

SPECIFICATIONS

Electrical Ratings

Details the electrical ratings for the Equipment Interface Module and the THX9321 Prestige 2.0 Thermostat.

Mounting Means

Describes how the thermostat and Equipment Interface Module are mounted.

Interstage Differential

Explains the thermostat's control logic for managing heating/cooling stages based on temperature.

SYSTEM INSTALLATION

Finding Your Password (Date Code)

Explains how to locate the thermostat's password for accessing installer options.

INSTALLATION OPTIONS

Guidelines for Installing RedLINK Devices

Provides important guidelines for the proper installation of RedLINK accessories.

Installing Equipment Interface Module (if used)

Selecting Thermostat Location

THX9421 Installation

INSTALLATION WITH EQUIPMENT INTERFACE MODULE (EIM)

Describes the installation process when using an Equipment Interface Module.

POWER OPTIONAL REDLINK™ ACCESSORIES

Outdoor Air Sensor

Instructions for installing batteries in the Outdoor Air Sensor.

Portable Comfort Control

Instructions for installing batteries in the Portable Comfort Control.

Indoor Air Sensor

Instructions for installing batteries in the Indoor Air Sensor.

RedLINK™ Internet Gateway

Instructions for connecting the RedLINK Internet Gateway.

PERFORMING INITIAL SETUP

Linking Thermostat to Equipment Interface Module (if used)

Details the process of linking the thermostat to the EIM.

Completing Initial Setup

Installer Options

Making Changes to Installer Setup

Provides steps for modifying system options after the initial installation.

Installer Setup (ISU) Table

INSTALLER TESTS

Accessing Installer Tests

Explains how to access the installer test menu.

Equipment Test

Guides users through testing heating, cooling, fan, and IAQ equipment.

Wireless Signal Strength Test

Guides users through testing the wireless signal strength.

Using the Equipment Test

OPERATION

Quick reference to residential display

Provides a quick overview of the residential display interface.

Setting the Time/Date

Adjusting Program Schedules

Adjusting Humidification Settings

Adjusting Dehumidification Settings: Residential Use

Details how to adjust dehumidification settings for residential use.

Adjusting Ventilation Settings

Installer Options

ALERTS AND DIAGNOSTICS

Delta T Diagnostics

Explains how Delta T Diagnostics monitors system performance and detects failures.

Setting up Alerts and Diagnostics

Set Delta T Limits

User Interactions Log

Performance Logs

Dry Contact Alerts

Staging Control

Heat Differential

Sets the temperature differential for turning on heating stages.

Backup Heat Differential (Droop)

Multistage Control

HEAT PUMP AND BACKUP HEAT OPERATION

Heat Pump with Outdoor Temperature Lockouts

Explains how outdoor temperature affects heat pump operation.

Geothermal Radiant Heat

INDOOR AIR QUALITY (IAQ) CONTROL

Humidification

Describes how the thermostat controls indoor humidity levels.

Dehumidification - Residential

Dehumidification Using the Cooling System

Explains how the cooling system is used for dehumidification.

Set Up Dehumidification with Cooling System

Dehumidification Away Mode

Control Dehumidification Level

Dehumidification - Commercial

Dehumidification Using the Cooling System

Explains how the cooling system is used for dehumidification.

Set Up Dehumidification with Dehumidifier

Ventilation

Ventilation Control Methods (ISU 10050)

Sets the method for controlling ventilation: ASHRAE or Percent On Time.

Ventilation Fan Control (ISU 10060)

Determines whether the thermostat or equipment controls the ventilation fan.

Ventilation Priority (ISU 10125)

Sets the priority between lockouts and ASHRAE ventilation standards.

Ventilation — Outdoor Condition Lockouts (ISU 10130)

Defines conditions under which ventilation will not operate.

IAQ REMINDERS

CUSTOMIZABLE REMINDERS

USB PORT

COMMERCIAL FEATURES

Overriding Schedules: Commercial Use

Ramp Rates

Remote Setback

Economizer and Time of Day (TOD) Operation

Economizer

Describes the function and control of the economizer module.

Time of Day (TOD)

Explains the Time of Day output for controlling lighting or other devices.

Battery Replacement

Wireless Indoor Sensor

Provides instructions for replacing batteries in the wireless indoor sensor.

Wireless Outdoor Sensor

Provides instructions for replacing batteries in the wireless outdoor sensor.

Portable Comfort Control

Provides instructions for replacing batteries in the Portable Comfort Control.

OPTIONAL ACCESSORIES

PORTABLE COMFORT CONTROL

Describes the function and use of the portable comfort control.

WIRELESS OUTDOOR SENSOR

Describes the function and use of the wireless outdoor sensor.

WIRELESS INDOOR SENSOR

Describes the function and use of the wireless indoor sensor.

REDLINK™ INTERNET GATEWAY

Describes remote access capabilities via the internet gateway.

WIRELESS ENTRY/EXIT REMOTE

Describes the function of the wireless entry/exit remote.

WIRELESS VENT AND FILTER BOOST REMOTE

Describes the function of the wireless vent and filter boost remote.

PORTABLE COMFORT CONTROL

REMOTE INDOOR SENSORS

Indoor Sensor Operation

Explains how the thermostat uses sensors for temperature control.

BACKUP CONTROL

If the Thermostat is Part of the Temperature Average

Describes backup control when the thermostat is part of the temperature average.

REPLACING A THERMOSTAT

WIRING

EIM Wiring Diagrams

THX9321 Thermostat Wiring Diagrams

Typical wiring of a 3-heat / 2-cool heat pump system with one transformer.

Illustrates wiring for a 3-heat/2-cool heat pump with one transformer.

Typical wiring of a 2-heat / 2-cool conventional system with one transformer.

Illustrates wiring for a 2-heat/2-cool conventional system with one transformer.

Typical wiring of a 3-heat / 2-cool heat pump system with two transformers.

Illustrates wiring for a 3-heat/2-cool heat pump with two transformers.

Wiring IAQ Equipment or a Heat/Cool Stage to the U Terminals

Economizer Module Wiring Diagrams

Wiring C7089U1006 Outdoor Sensor

Wiring guide — Wired Indoor Sensors

ZONING

Prestige IAQ thermostats with an HZ432 zone panel and no IAQ control

Shows wiring for Prestige IAQ thermostats with an HZ432 zone panel without IAQ.

Zoning and Humidification

Setting up Humidification Control on Prestige or Prestige IAQ

Details the setup for humidification control with zoning.

Zoning and Ventilation

Setting up Ventilation Control on Prestige or Prestige IAQ

Details the setup for ventilation control with zoning.

FAQS

TROUBLESHOOTING

REGULATORY INFORMATION

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