Honeywell Prestige 2.0 THX9421 Manual
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Honeywell Prestige 2.0 THX9421 Manual

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THX9321 Prestige
THX9421 Prestige
THX9421 Prestige
THX9321 Prestige

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, Tru-
eSTEAM™ humidifier with Wireless Adapter,
TrueZONE™ zoning panel with Wireless Adapter, Vent
Boost Remote and Entry/Exit Remote.
®
IAQ with EIM
®
2.0
®
2.0 and
®
IAQ with EIM
• 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.
• Universal 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.
PRODUCT DATA
68-0311-07

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Summary of Contents for Honeywell Prestige 2.0 THX9421

  • Page 1: Application

    ® THX9321 Prestige 2.0 and ® THX9421 Prestige IAQ with EIM PRODUCT DATA • 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.

  • Page 2: Table Of Contents

    TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further information, or would like to comment on our products or services, please write or phone: 1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone directory).

  • Page 3: Specifications

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM SPECIFICATIONS RedLINK Communication: Frequency: 900 Mhz frequency range Re-Sync Time: RedLINK devices re-establish communica- Thermostat Description: tion within 6 minutes after AC power resumes. Temperature Setting Range: Feature Description Heating: 40 to 90 °F (4.5 to 32 °C).
  • Page 4 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 7-29/32 (201) 3-19/64 (84) 3-1/2 (89) 5-1/2 (140) 4-1/2 (115) (22) M33330 Fig. 4. Dimensions of THX9321 Prestige 2.0 cover plate in in. (mm). 3-5/16 (84) M34630 1-19/32 4-53/64 (123) (41) Fig.
  • Page 5 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 1. Prestige Kits. Included in Kit Part Number Part Number Description Prestige IAQ Kit THX9421R5021WW Thermostat - White Front, White Side YTHX9421R5101WW THM5421R1021 Equipment Interface Module C7089R1013 Wireless Outdoor Sensor 50062329-001 Discharge/Return Sensors (Qty.
  • Page 6 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 2. Thermostat Replacement Parts and Accessories. (Continued) Operating Ambient Operating Relative Shipping Physical Dimensions in in. Product Part Number Temperature Humidity Temperature (mm) Color(s) Wireless Indoor C7189R1004 0 to 120 °F 5% to 90% -20 to 120 °F 2-7/8 x 1-7/8 x 15/16...
  • Page 7 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 2. Thermostat Replacement Parts and Accessories. (Continued) Operating Ambient Operating Relative Shipping Physical Dimensions in in. Product Part Number Temperature Humidity Temperature (mm) Color(s) Occupancy Sensor WSK-24 Receiver: Receiver: White for Remote...

  • Page 8: System Installation

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM SYSTEM INSTALLATION When Installing this Product... 1. Read these instructions carefully. Failure to follow the instructions can damage the product or cause a hazardous condition. 2. Check the ratings given in the instructions to make sure the product is suitable for your application.
  • Page 9 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM INSTALLATION OPTIONS ® ® The THX9321 Prestige 2.0 thermostat is wired directly to the equipment. The THX9421 Prestige IAQ thermostat is used with the Equipment Interface Module or with a TrueZONE Wireless Adapter. If using the Equipment Interface Module, see “Installing Equipment Interface Module (if used)”...

  • Page 10: Installing Equipment Interface Module (If Used)

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Installing Equipment Interface 1. Mount the EIM near the HVAC equipment or on the equipment itself. Use screws and anchors as appro- Module (if used) priate for the mounting surface.. 2.

  • Page 11: Selecting Return Air Temperature Sensor Mounting Location

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM See Fig. 11. When setting the Delta T Limits (see “Set Delta T Limits” on page 89), be sure to consider the ALTERNATE MOUNTING LOCATION FOR DISCHARGE affect that the humidifier has on Delta T. SENSOR.

  • Page 12: Selecting Thermostat Location

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Selecting Thermostat Location Install the thermostat about 5 ft. (1.5m) above the floor in an area with good air circulation at average temperature. See Fig. 16. MOUNT DISCHARGE BYPASS SENSOR HERE HUMIDIFIER VENTILATOR...
  • Page 13 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Remove the wallplate from the wall and, if drywall, INSTALLATION WITH TRUEZONE WIRELESS ADAPTER drill two 3/16-in. holes in the wall, as marked. For 1. Wire to C and R terminals of the TrueZONE panel or firmer material such as plaster, drill two 7/32-in.

  • Page 14: Power Optional Redlink™ Accessories

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Mount Thermostat on Wallplate Portable Comfort Control Align thermostat to wallplate and snap into place. See Fig. 1. Install 3 fresh AA alkaline batteries. MCR32939 Fig. 23. Indoor Air Sensor 1.

  • Page 15: Linking Thermostat To Equipment Interface Module (If Used)

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM TrueSTEAM PERFORMING INITIAL SETUP 1. Wire and power TrueSTEAM. 2. Connect the ABCD terminals between TrueSTEAM Initial setup options define the type of system you are and the THM4000 Wireless Adapter. installing: 3.

  • Page 16: Linking Redlink™ Accessories

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 2. Follow the prompts on the thermostat screen until 1. When you see the prompt Do you have RedLINK you reach the Wireless Setup screen. See Fig. 30. accessories to connect? touch Yes or No. a.
  • Page 17 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Completing Initial Setup 3. Enter password (date code) and touch Done. See “Finding Your Password (Date Code) to Access 5. Finish the setup by selecting the desired options. Installer Options” beginning on page 20 for more Touch Done after you select the last option you want information.
  • Page 18 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 6. Press and quickly release the CONNECT button on Locating the Connect Buttons on each new RedLINK accessory. RedLINK Accessories NOTE: For locations of CONNECT buttons on RedLINK accessories, see “Locating the Wireless Outdoor Sensor Connect Buttons on RedLINK Accessories”...
  • Page 19 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM ERROR MESSAGES: TrueSTEAM E1 29: Incompatible device cannot be connected. 1. Press and quickly release the CONNECT button on E1 34: Low RF signal. Move device to a different location THM4000 Wireless Adapter.
  • Page 20 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 3. Type the sensor name and press Done. The sensor 2. After a short delay, the status light will glow green for names are used when selecting which sensor to use 15 seconds.
  • Page 21 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 3. Installer Options. Menu Item Description Create Setup Press CREATE SETUP to set all system settings one by one. View/Edit Press VIEW/EDIT CURRENT SETUP to Current Setup select a specific function and make quick changes Dealer Informa on Set Up...
  • Page 22 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Select Create Setup. Installer Op ons Fig. 57. Fig. 59. 3. Enter password (Date Code) and touch Done. See “Finding Your Password (Date Code) to Access 5. Follow prompts on the screen to select the desired Installer Options”...
  • Page 23 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Fahrenheit 1050 Temperature Fahrenheit Both Indication Scale Celsius 1060 Outdoor Air Sensor Both This ISU automatically defaults to Yes when a Wireless Outdoor Sensor is connected.
  • Page 24 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Conventional Forced Air Heat: 2010 Heating Equipment Default varies Both Cycle Rate and Fan Operation automatically Standard Efficiency Gas Forced Air Type...
  • Page 25 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 2050 Geothermal Forced Used for Heating Both This thermostat has the capability of Air System Used for Cooling Only and Cooling...
  • Page 26 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 2090 What Terminals are Default varies Commercial Cool Stage 4 is only available if ISU 1010 is Wired to Cool - Stage based on Commercial.
  • Page 27 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 0 - 2 2130 Backup Heat Stages Both This ISU is only displayed when a backup heat source is selected at ISU 2120 Backup Heat Type.
  • Page 28 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 2170 What Terminals are Default varies Both THX9321 Thermostat Only: Wired to Backup based on This ISU is only displayed on the THX9321...
  • Page 29 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 2220 A-L/A Terminal None Commercial This ISU is only displayed when ISU 1010 Setup Time Of Day Application is Commercial.
  • Page 30 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 2° F to 9° F (in 1° F increments) 3000 Deadband 3°...
  • Page 31 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 3021 Finish With High Both ISU 3010 Temperature Control Options must Heat Stage be set to Advanced to view or adjust Finish With High Heat Stage.
  • Page 32 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Comfort 3040 Staging Control - Comfort Both ISU 3010 Temperature Control Options must 1.0°...
  • Page 33 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Comfort 3060 Staging Control - Comfort Both ISU 3010 Temperature Control Options must Compressor Heat 1.0°...
  • Page 34 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Comfort 3080, Staging Control - Comfort Both ISU 3010 Temperature Control Options must 2.0°...
  • Page 35 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 3120 Outdoor Both ISU 3120 Backup Heat Outdoor Temperature Temperature 5°...
  • Page 36 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 1 to 6 CPH 3140 Cool / Compressor Both ISU 3010 Temperature Control Options must Cycles Per Hour - be set to Advanced to view or adjust cycle rate.
  • Page 37 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 1 to 12 CPH 3150 Heat Cycles Per Hour Default varies Both ISU 3010 Temperature Control Options must - Stage 1...
  • Page 38 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 1 to 12 CPH 3150 Heat Cycles Per Hour Default varies Both ISU 3010 Temperature Control Options must - Stage 3...
  • Page 39 The default Cooling Throttling range is 2° F Range (1.5° C) which is appropriate for most applications. Do not change this setting unless advised to do so by Honeywell technical support. The throttling range controls the cycling of the system and helps to compensate for load changes, equipment sizing and thermostat mounting location.
  • Page 40 The default Heating Integral is 10,000 seconds which is appropriate for most applications. Do not change this setting unless advised to do so by Honeywell technical support. The integral controls how much droop is used. 0, 100 to 25,000 sec...
  • Page 41 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes No Limit 4030 Override Duration 3 hours Commercial When the user presses the OVERRIDE button, 1 to 12 Hours the thermostat will maintain the new temperature for at least 1 hour.
  • Page 42 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 4060 Maximum Heat 8° F/hr Commercial Off: The heating system will begin recovery at 1°...
  • Page 43 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 4070 Minimum Cool 3° F/hr Commercial Off: The cooling system will begin recovery at Recovery Ramp Rate 1°...
  • Page 44 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 4080 Maximum Cool 6° F/hr Commercial Off: The cooling system will begin recovery at 1°...
  • Page 45 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 50° F to 99° F 4100 Minimum Cool 50° F Both The user cannot set the temperature below this Setpoint...
  • Page 46 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 4140 Residential: 60° F Both The thermostat maintains this Heat setting 40°...
  • Page 47 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 5030 Indoor Temperature 10K: Both Wired Sensors requires an EIM (Equipment Sensor Type if ISU 1010 Interface Module).
  • Page 48 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 5100 Discharge Air Both Wired Sensors requires an EIM (Equipment Temperature Sensor Interface Module).
  • Page 49 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 0 to 30 minutes (in 5 minute 6030 Remote Setback 0 minutes Commercial Remote Setback requires an EIM (Equipment...
  • Page 50 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 6070 What Terminals are None Both Dry Contact Alerts require an EIM (Equipment Wired to the Dirty Interface Module).
  • Page 51 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes None 6130 What Terminals are None Both Dry Contact Alerts require an EIM (Equipment Wired to the Service Interface Module).
  • Page 52 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes View/Edit Custom Alert 6190 Custom Alert Name View/Edit Both Dry Contact Alerts require an EIM (Equipment Custom Alert Interface Module).
  • Page 53 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Thermostat (Internal) 8010 Which Sensor will be Thermostat Both Select a sensor to control humidification used for Sensor Name (Remote) (Internal)
  • Page 54 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Humidify Only when Heat is On 8070 Humidification Defaults to Both Humidify Only when Heat is On: The thermostat Control...
  • Page 55 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Thermostat (Internal) 9010 Which Sensor will be Thermostat Both Select a sensor to control dehumidification used for Sensor Name (Remote) (Internal)
  • Page 56 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 0°, 1°, 2°, 3° F 9070 Dehumidification - 3° F Residential This ISU is only displayed when ISU 9000 Overcooling Limit...
  • Page 57 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Check box on screen for each: 9120 System Modes Cool Both This ISU is only displayed when ISU 9000 Allowing...
  • Page 58 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 70° F to 80° F 9200 Dehumidification 76° F Both If the cooling system is used to control Away Mode - Low humidity while Dehumidification Away Mode is...
  • Page 59 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Thermostat Controls Fan 10060 Ventilation Fan Thermostat Both Thermostat Controls Fan: The thermostat turns Control Equipment Controls Fan Controls Fan...
  • Page 60 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 10130 Ventilation Low Both Requires an outdoor sensor. -20° F to 40° F (in 5° F Temperature increments) Lockout...
  • Page 61 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Off, 6, 12, 24 Calendar Months 11050 UV Bulb 1 Both Replacement Reminder...
  • Page 62 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 13030 Allow Delta T Both This ISU is only displayed when ISU 13015 Set Diagnostics During Advanced Diagnostic Options is set to Yes.
  • Page 63 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Minimum Setting 13080 Allow Heat Delta T No Limit Both This ISU only applies to Heating.
  • Page 64 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes Minimum Setting 13130 Allow Cool Delta T No Limit Both This ISU only applies to Cooling.
  • Page 65 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 4. Installer Setup (ISU) Table. (Continued) Residential, Installer Setup Commercial Requires Number Name Settings Default or Both Notes 13190 Display Delta T Alerts Both No: The thermostat does NOT display a Delta T to User alert to the user when a Delta T alert is entered into the log.

  • Page 66: Installer Tests

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM INSTALLER TESTS shown. If using multiple wired indoor sensors it cannot show you each individual sensor, only the average temperature reading of the sensors. Use the installer tests to check out the system: •...

  • Page 67: Using The Equipment Test

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Using the Equipment Test Using the Wireless Signal Strength Test 1. Press Equipment Test on the Installer Test screen (see Fig. 62). Turn the equipment on/off as needed 1. On the Installer Test screen (see Fig. 62) press Wire- and then press Next Test to test the remaining less Signal Strength Test.

  • Page 68: Mounting Optional Accessories

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Mounting Optional Accessories MOUNTING C7089U1006 WIRED OUTDOOR TEMPERATURE SENSOR Mounting Outdoor Sensor Use the following steps to mount the sensor: 1. Remove the sensor from the mounting clip. Mount the sensor where: 2.
  • Page 69 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Mounting C7189U1005 Wired Indoor 5. Place wallplate over anchors, insert and tighten mounting screws (see Fig. 72). Sensor Use the following steps to mount the sensor: 1. Remove the cover from the remote sensor (see Fig. 71).
  • Page 70 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM OPERATION HOME. Touch to display Home screen. FAN. Select fan mode. SYSTEM. Select system mode (Heat/Cool). MENU. Touch to display options. Start here to set a program schedule. Current schedule. Touch an arrow to change temperature setting and select a Temporary or Permanent Hold.
  • Page 71 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Setting the time/date 3. Touch Done to save and exit. 1. Touch the current time. The screen displays Set Time/Set Date. Done Fri, Jun 14, 2013 6:30 pm Fig. 80. Fig.
  • Page 72 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Preset Energy-Saving Schedules 2. Select Create/Edit Schedule. This thermostat uses default Energy Saver settings that can reduce your heating/cooling expenses. Create Edit Schedule Table 5. Residential Use Default Schedule. Heat Cool Heat...
  • Page 73 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Overriding schedules: residential 1. Touch  or  to adjust the temperature (right side of screen) and the Hold Until time (left side). The schedule will resume when the Hold Until time expires.
  • Page 74 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 3. Touch  or  to view the status of all the equipment your thermostat is controlling. Depending on how your thermostat was installed, the Equipment Status screen can report data about the following systems: •...
  • Page 75 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM • US and Canadian Holiday options let you select from a list of holidays commonly observed in each country. Next Fig. 95. 4. Review your selections on the last display, and touch Done to save your settings.
  • Page 76 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Set the holiday schedule for Occupied or Unoccu- pied temperatures, depending whether the building will be in use. Next Next Fig. 102. • For Specific Date, you are prompted to select the start date, settings, end date, and frequency for Fig.
  • Page 77 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Touch the  or  buttons to set the temperature or the Hold Until time. The temperature is maintained until the time you set. Temperature returns to an energysaving level after the timer expires, or the “Occupied”...
  • Page 78 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Adjusting dehumidification settings: residential use This feature can control a dehumidifier or use your air conditioner to reduce humidity. 1. Touch MENU and select Dehumidification. MENU Dehumidifica on Fig. 114. Fig.
  • Page 79 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Adjusting dehumidification 2. Touch Setting, then select: • Auto: Ventilation runs as programmed by the settings: commercial use installer. • Off: Ventilation remains off unless turned on This feature can control a dehumidifier or use your air using the timer.
  • Page 80 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Fig. 122. Fig. 125. 4. If you select a predefined screen color, check the left 7. Touch the arrows on the slider bars to adjust the side of the screen to preview the color and touch color, shading and brightness of the background Done to accept that selection.
  • Page 81 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 9. Touch Make Additional Adjustments to continue 2. Select an option and follow prompts: making changes, or touch Accept Color Selections • Reminders to change filters when you are satisfied with the selected colors and •...
  • Page 82 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM NOTE: Do NOT spray any liquid directly on the thermo- NOTE: If you choose to use a password for additional stat. Spray liquids onto a cloth, then use the damp security, write it here for reference: cloth to clean the screen.
  • Page 83 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 1. Press MENU 2. Press On, then press Next. 2. Scroll to select TEMPORARY SCHEDULE 3. Select option, then follow screen prompts Fig. 140. 3. Select the temperatures you would like to adjust based on the Utility Schedule.
  • Page 84 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Advanced Features COMPRESSOR PROTECTION The thermostat keeps the compressor off for a few minutes before restarting, to prevent equipment damage. ADAPTIVE INTELLIGENT RECOVERY (RESIDENTIAL During this “off” time, the message “waiting for USE ONLY) equipment”...
  • Page 85 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Installer options Using the humidity display Installer Options require a password and should only be In some circumstances, the humidity displayed on the changed by a qualified technician. Home screen may not match humidity near the thermostat.

  • Page 86: Alerts And Diagnostics

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM UNIVERSAL INPUTS beginning on page 89), an alert is recorded in the log. If configured to do so, the system will then display an alert to (S1, S2, S3, S4) the homeowner, along with your contact information.

  • Page 87: Setting Up Alerts And Diagnostics

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 6. Set Minimum and Maximum Delta T Limits based on 3. Select the Discharge and Return Air Sensor Type what you consider to be unacceptable performance (10K). from the heating and cooling equipment. IMPORTANT NOTE: When the system operates below the 10K sensors must be used for Delta T Diagnostics.
  • Page 88 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 5. For Air-to-Air Heat Pumps, press the up/down NOTE: The passcode is the date code printed on arrows to set the maximum time duration of a the back of the thermostat or press defrost cycle.

  • Page 89: Delta T Alerts

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 3. Press Next Step after Delta T stabilizes for the last minimum limit or above the maximum limit multiple times stage. The thermostat saves the Delta T and Run (see Table 7), an alert is recorded in the Alerts Log.

  • Page 90: Delta T Alerts And Utility Saver Switches

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM This tells you if the system is performing above or below Alerts are also recorded in the Alerts Log. See “Data Logs” expected standards which would normally go unnoticed, beginning on page 90.

  • Page 91: Alerts Log

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Alerts Log The Alerts Log stores a history of the most recent 25 alerts and records the date and time of each alert. In the Alerts Log, press any of the alerts for more information. You can also press Show Active Alerts to display the active alerts that are currently snoozed by the user.

  • Page 92: User Interactions Log

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM • The alert message that is displayed to the user. The Performance Log records the following information: • The alert status (snoozed, dismissed, recovered) • Minimum and Maximum Delta T •...
  • Page 93 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Using the Data Logs Using the Performance Logs 1. Follow the steps in “Using the Data Logs” on TO ACCESS THE DATA LOGS page 93. Press Performance Logs. 1. From the Home screen, press Menu. 2.

  • Page 94: Dry Contact Alerts

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Select the desired time period at the top of the 3. Press Data Logs. screen (Hourly, Daily, Weekly or Monthly). Use the 4. Select the log you want to save to USB. Up/Down arrows to scroll for Delta T, Discharge Temperature, Return Temperature, Outdoor Tem- perature/Humidity and Indoor Tempera-...
  • Page 95 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM When the dry contact device detects a problem with the system (for example, smoke detection), the thermostat will not call for heating, cooling, fan or IAQ equipment until the dry contact is deactivated or the feature is unconfigured at the thermostat.
  • Page 96 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM ONE DRY CONTACT DEVICE ONE DRY CONTACT DEVICE MULTIPLE DRY CONTACT DEVICES MULTIPLE DRY CONTACT DEVICES ON ONE SET OF TERMINALS ON ONE SET OF TERMINALS Fig. 187. Wiring dry contact devices. 1.

  • Page 97: Staging Control

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Cool Differential The indoor temperature must rise to the selected differential setting before the thermostat turns on the stage of cooling. For example, if stage 2 is set to 2 °F (1.0 °C), the indoor temperature must be 2 °F (1.0 °C) away from the setpoint before stage 2 turns on.
  • Page 98 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM differential is set to 2 °F (1.0 °C), the indoor TO CHANGE BACKUP HEAT DIFFERENTIAL (DROOP) temperature must be 2 °F (1.0 °C) away from the SETTINGS setpoint before the backup heat turns on. 1.
  • Page 99 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Backup Heat Upstage Timer Multistage Control The Backup Heat Upstage Timer is available for any Multistage Control keeps the high stage of the equipment system with 2 heating types and the Backup Heat running until the desired setpoint is reached.

  • Page 100: Heat Pump And Backup Heat Operation

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM HEAT PUMP AND BACKUP HEAT OPERATION Heat pump with outdoor temperature lockouts Outdoor temperature lockouts are optional. See Installer Setup options (ISU 3120). Backup heat allowed to run with heat pump (see table below) Heat pump only Backup heat lockout...
  • Page 101 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM expires (whichever occurs first). Geothermal Radiant Heat 3. Select the universal terminals wired to the Geother- and Geothermal Forced Air Heat stay on when the Backup mal Radiant Heat. See Fig. 204. Heat turns on.

  • Page 102: Indoor Air Quality (Iaq) Control

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Window Protection Window Protection limits the amount of humidity to prevent frost or condensation on windows. Window Protection (ISU 8050) requires an outdoor sensor. The maximum humidity level that is allowed (“Window Limit”) is displayed on the Humidification Settings screen.

  • Page 103: Set Up Humidification

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM If Window Protection is turned Off, the thermostat controls “Wiring IAQ Equipment or a Heat/Cool the humidity level to the user's desired humidity setting. Stage to the Universal Terminals” beginning Frost or condensation may appear on windows.

  • Page 104: Control Humidification Level

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM NOTE: ISU 10140 gives the option to lockout venti- lation during calls for humidification. This helps maintain the desired humidity level. Control Humidification Level 1. Press MENU, then scroll to select Humidification. 2.

  • Page 105: Dehumidification - Residential

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Dehumidification - Residential Press MENU The thermostat reads the indoor humidity level and allows the user to set a dehumidification setting. The thermostat controls the humidity level using the cooling system or a whole house dehumidifier.

  • Page 106: Set Up Dehumidification With Cooling System

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 2. If optional remote wireless indoor sensors are installed, you can choose which sensor you want to use for dehumidification control. For example, you can use one sensor for humidification control, and another for dehumidification.

  • Page 107: Set Up Dehumidification With Whole House Dehumidifier

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 5. Select whether the U1, U2, or U3 terminals are Nor- 1. Select the Dehumidification Equipment in ISU 9000. mally Open or Normally Closed. See Fig. 224. See Fig. 226. •...
  • Page 108 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Select the terminals wired to the Whole House Dehu- midifier. See Fig. 229. Fig. 231. 7. Set the desired lockout option. See Fig. 232. Fig. 229. 5. Select the system mode(s) to allow dehumidification. See Fig.

  • Page 109: Set Up Dehumidification Away Mode

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM • Temperature Setting The temperature maintained while Dehumidification Away Mode is active and the desired humidity level is satisfied. • Dehumidification Setting The desired humidity level while Dehumidification Away Mode is active. Fig.

  • Page 110: Dehumidification - Commercial

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM humidification and dehumidification to operate at the same time, and there is no deadband between Press humidification and dehumidification settings. Dehumidification Equipment Options: (ISU 9000) • A/C with Low Speed Fan Scroll to select DEHUMIDIFICATION •...

  • Page 111: Set Up Dehumidification With Cooling System

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM cannot be used in the Heat mode. This option is effective another for dehumidification. See “Wireless Indoor only if using a system with the A-Coil located before the Sensor” beginning on page 132 for more informa- heating coil (heat exchanger).

  • Page 112: Set Up Dehumidification With Dehumidifier

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 1. Select the Dehumidification Equipment in ISU 9000. See Fig. 246. Fig. 244. 6. Set the Dehumidification Control. See Fig. 245. For Fig. 246. more information about these options, see “Dehu- midification using the Cooling System”...

  • Page 113: Control Dehumidification Level

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Select the terminals wired to the Dehumidifier. See Fig. 249. Fig. 251. 7. Set the desired lockout option. See Fig. 252. Fig. 249. 5. Select the system mode(s) to allow dehumidification. See Fig.

  • Page 114: Ventilation

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM NOTE: If humidification and dehumidification are setup • ASHRAE to operate in the same system mode (Heat, Cool, The thermostat operates ventilation equipment to meet Off) and you are sensing humidity from one loca- the ASHRAE 62.2 ventilation standard based on CFM, tion, the thermostat will automatically enforce a number of bedrooms, and square footage of the house.

  • Page 115: Set Up Ventilation

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Ventilation — Outdoor Condition 2. Select the terminals wired to the Ventilator (or Fresh Air Damper). See Fig. 254. Lockouts (ISU 10130) Ventilation will not operate when outdoor conditions exceed the lockout settings unless you manually call for ventilation or Ventilation Priority (ISU 10125) is set to ASHRAE is Priority and ventilation is needed to meet...
  • Page 116 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 5. If ASHRAE was selected for ISU 10050, select the 7. Select a Ventilation Priority (see Fig. 259): Number of Bedrooms and Size of House. See Fig. c. Lockouts are Priority: The thermostat places a 257.
  • Page 117 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 8. If Percent On Time was selected for ISU 10050, allowing the ventilation equipment to run during a select the Ventilation Percent on Time. See Fig. 260. call for humidification or dehumidification. The ther- mostat will indicate whether this meets or may not meet the ASHRAE 62.2 Standard or the Percent On Time setting.

  • Page 118: Iaq Reminders

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 4. Press MORE SETTINGS to change maintenance NOTE: Air Filter, Humidifier Pad, Dehumidifier Filter, and reminders or set outdoor lockouts (if set to Yes, ven- Ventilator Filter are displayed under Preferences tilation will not run when outdoor conditions exceed even if they have not been set up.

  • Page 119: Customizable Reminders

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM CUSTOMIZABLE REMINDERS 3. Press Outdoor Temperature and press Next. The thermostat can be set to alert the user when it is time for system maintenance or warranty renewal. You can set up to 10 total Custom Reminders on the thermostat and save them to a USB drive for easy download to multiple thermostats.
  • Page 120 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Fig. 271. Fig. 274. 7. The Fall Service Reminder will look like this on the 4. Type the reminder message, and press Done. Home Screen: Fig. 275. Fig. 272. 5.

  • Page 121: Usb Port

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Fig. 277. Fig. 280. 7. The preview of the custom reminder shows you what USB PORT you’ve selected. Press Done to accept the reminder, or press Back to change it. The thermostat has a USB port that allows you to save various settings to a memory stick and quickly install them on multiple thermostats.
  • Page 122 Prestige thermostat using the USB port. 1. In a web browser on your computer, go to Fig. 282. http://thermostatsetup.honeywell.com 2. Connect a USB device to your computer. Loading Dealer Information 3. Download the software upgrade file to the USB device by clicking the indicated link on the web site.

  • Page 123: Commercial Features

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM COMMERCIAL FEATURES • To change the hold time, touch the Hold Until arrow buttons. This time can be adjusted up to the maximum time set by the installer. The thermostat can be setup for residential or light •...
  • Page 124 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Next Fig. 288. Fig. 291. 4. Make selections as prompted on each screen. For • For Specific Date, you are prompted to select the more information, see next two pages. start date, settings, end date, and frequency for 5.
  • Page 125 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM 3. Touch  or  to select the Heat and Cool tempera- Set the holiday schedule for Occupied or Unoccu- pied temperatures, depending whether the building tures, then touch Next to select return date. will be in use.

  • Page 126: Ramp Rates

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Touch the  or  buttons to set the temperature or the Custom Names Hold Until time. The temperature is maintained until the The thermostat location (name) can be displayed on the time you set.
  • Page 127 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Set Up Remote Setback 1. Select “Remote Setback” as shown in Fig. 305. Fig. 307. 4. Select a Remote Setback Time Delay. The Remote Fig. 305. Setback Time Delay forces the thermostat to wait before it switches from occupied settings to the 2.

  • Page 128: Economizer And Time Of Day (Tod) Operation

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Economizer and Time of Day (TOD) Time of Day (TOD) Operation The thermostat can be set up for a Time of Day output in the installer setup. This output is commonly used to control lighting panels, turning them on for occupied Economizer periods and off for unoccupied periods.
  • Page 129 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Battery Replacement Wireless Indoor Sensor Wireless Outdoor Sensor M32988 MCR32937 M32990 Replace batteries in your outdoor sensor when a warning appears on the thermostat screen, about two months MCR32933 before batteries are depleted.

  • Page 130: Optional Accessories

    The thermostat can be used with up to 6 Wireless Indoor Sensors. REDLINK™ INTERNET GATEWAY ® The Honeywell RedLINK Internet Gateway gives you remote access to your Prestige thermostat from the web, smart phone or tablet. You can view or adjust indoor temperature, system mode and other settings.

  • Page 131: Portable Comfort Control

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM PORTABLE COMFORT CONTROL The Portable Comfort Control communicates wirelessly with the thermostat, and can control up to 16 thermostats, though each thermostat can only be connected to 1 Portable Comfort Control. Fig.

  • Page 132: Remote Indoor Sensors

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM REMOTE INDOOR SENSORS For installation, see “Mounting C7189R1004 Wireless Indoor Sensor” on page 68, and “Mounting C7189U1005 Wired Indoor Sensor” on page 69. For wiring, see “Wiring guide — Wired Indoor Sensors” on page 158. Indoor Sensor Operation Temperature Control The thermostat can be set to respond to its internal...
  • Page 133 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM • Critical: Battery power will be depleted in about 2–3 weeks. Status light flashes red. Temperature Display The temperature reading displayed on the home screen is from the sensor or sensors that are being used for temperature control.
  • Page 134 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM If you are sensing Humidity from two separate locations (one for humidification and another for dehumidification), you can select which humidity reading to display on the home screen. In Fig. 320, the humidity reading is from the Main Level Remote Sensor based on the setting in ISU.
  • Page 135 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Calibration - Outdoor Sensor Table 11. C7089U1006 Sensor Resistance at Outdoor Temperature. (Continued) The C7089U1006 Outdoor Sensor is calibrated at the factory and cannot be recalibrated in the field. Outdoor Outdoor Temperature...
  • Page 136 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM BACKUP CONTROL At the Portable Comfort Control 1. Press and hold the blank space (or arrow) in the This section explains when backup control is used. For lower right hand corner of the screen until the dis- example, if batteries in the wireless indoor sensors are play changes (hold for about 4 seconds).
  • Page 137 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM At the Portable Comfort Control At the Indoor Sensor, RedLINK Internet Gateway, Entry/Exit Remote, Vent-Filter 1. Press and hold the blank space (or arrow) in the lower right hand corner of the screen until the dis- Boost Remote or TrueSTEAM Wireless play changes (hold for about 4 seconds).

  • Page 138: Wiring

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM WIRING See Table 13 for Equipment Interface Module terminal descriptions and Table 14 for thermostat terminal descriptions. Table 13. Equipment Interface Module Terminal Designation Descriptions. Conventional System Heat Pump Terminal Description Terminal...
  • Page 139 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 14. THX9321 Terminal Designation Descriptions. Conventional System Heat Pump Termina Termina Description Description Common wire from secondary side of cooling Common wire from secondary side of cooling transformer (if 2 transformers). transformer.
  • Page 140 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Table 15. Wiring Diagrams by System Type. Wallplate Wiring Diagram System Type Reference Standard Heat/Cool Heat Pump with Auxiliary Heat Geothermal radiant heat Heat pump system with one transformer 2-heat / 2-cool conventional system with one transformer Heat pump system with two...

  • Page 141: Eim Wiring Diagrams

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM EIM Wiring Diagrams Typical wiring of a conventional system with up to 3-stage heat and 2-stage cool with one transformer. FURNACE TRANSFORMER TO THERMOSTAT HEAT STAGE 1 CONV POWER HEAT STAGE 2 HEAT COOL...
  • Page 142 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Typical wiring of a heat pump system with up to four-stage heat and two-stage cool with one transformer. TO THERMOSTAT CHANGEOVER VALVE HEAT PUMP BACKUP HEAT POWER STAGE 1 AUX1 HEAT AUX1...
  • Page 143 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Typical wiring for geothermal radiant heat, geothermal forced-air, and backup heat with one transformer. TO THERMOSTAT CHANGEOVER VALVE HEAT PUMP BACKUP HEAT POWER STAGE 1 AUX1 HEAT AUX1 AUX2 BACKUP HEAT COOL AUX2...

  • Page 144: Thx9321 Thermostat Wiring Diagrams

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THX9321 Thermostat Wiring Diagrams Typical wiring of a 3-heat / 2-cool heat pump system with Typical wiring of a 3-heat / 2-cool heat pump system with one transformer. two transformers. Transformer Air Handler Transformer...

  • Page 145: Thx9321 Thermostat Wiring Diagrams Using Universal Relays To Control Heating Or Cooling

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THX9321 Thermostat Wiring Diagrams Using Universal Relays to Control Heating or Cooling The THX9321 Thermostat and the EIM have universal outputs that can be configured for the following stages of heating and cooling, based on the terminals available.
  • Page 146 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM ZONE VALVE BOILER THERMOSTAT/EIM TO THERMOSTAT TRANSFORMER HEAT PUMP HEAT PUMP W W2 W3 Y Y2 G A AUX1 THERMOSTAT/EIM AUX2 RELAY OIL FURNACE R IS JUMPERED TO RH. THE BOILER CONTROLS THE CIRCULATOR PUMP IN THIS SYSTEM.
  • Page 147 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM TO THERMOSTAT FURNACE HEAT PUMP HEAT PUMP AUX1 AUX2 PUMP RADIANT HEAT ZONE MODULE VALVE TRANSFORMER M34525 Fig. 337. Geothermal radiant heat with geothermal forced air and backup heat using separate transformer for the radiant heat.
  • Page 148 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM THERMOSTAT/EIM TO THERMOSTAT TO THERMOSTAT CONV CONV FURNACE FURNACE RELAY BOILER THE BOILER IS CONTROLLING THE CIRCULATOR PUMP CONFIGURE THE THERMOSTAT TO ENERGIZE THE FAN IN THIS DIAGRAM. WITH A CALL FOR HEAT.
  • Page 149 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM TO THERMOSTAT CONV ZONE VALVE ZONE 1 RELAY BOILER TRANSFORMER HZ311, HZ322, OR HZ432 ZONE PANELS COULD BE USED TO CONTROL A FORCED AIR FURNACE ZONED WITH DAMPERS. THE BOILER IS CONTROLLING THE CIRCULATOR PUMP IN THIS DIAGRAM.
  • Page 150 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM THERMOSTAT/EIM TO THERMOSTAT TO THERMOSTAT CONV CONV ZONE 1 RELAY FURNACE RELAY BOILER ZONE 1 HOT WATER RELAY PANEL HZ311, HZ322, OR HZ432 ZONE PANELS COULD BE USED TO CONFIGURE THE THERMOSTAT TO ENERGIZE THE FAN CONTROL A FORCED AIR FURNACE ZONED WITH DAMPERS.
  • Page 151 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM THERMOSTAT/EIM TO THERMOSTAT AIR HANDLER HEAT PUMP HEAT PUMP AUX1 AUX2 M31487 Fig. 343. Wood stove with heat pump and backup electric strips. (For applications in which the thermostat only needs to run the blower fan when stove is hot).

  • Page 152: Wiring Iaq Equipment Or A Heat/Cool Stage To The Universal Terminals

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Wiring IAQ Equipment or a Heat/Cool Stage to the Universal Terminals To Equipment Interface Module “U” terminals can be used for humidification, dehumidification or ventilation. NON-POWERED HUMIDFIER POWERED FIELD INSTALLED HUMIDIFIER JUMPER BETWEEN R AND U1...
  • Page 153 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM HEAT STAGE 3, COOL STAGE 3, COOL STAGE 4 OR GEOTHERMAL RADIANT HEAT TRANSFORMER Fig. 350. Connecting a stage of heating or cooling to a universal relay (U1, U2, U3). 1U1, U2, and U3 are normally open dry contacts when set up for a stage of heating or cooling.

  • Page 154: Economizer Module Wiring Diagrams

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Economizer Module Wiring Diagrams Typical wiring of a W7220 Economizer Module for a heat pump system, using a Prestige THX9321 thermostat or Equipment Interface Module. Rooftop Unit AUX AUX 2 W7220 Economizer Module (See wiring guidelines provided with the product) AUX2-I...
  • Page 155 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Typical wiring of a W7213/W7214 Economizer Module for a heat pump system, using a Prestige THX9321 thermostat or Equipment Interface Module. Rooftop Unit AUX AUX 2 W7213/W7214 Economizer Module (See wiring guidelines provided with the product) O OR B 2 &...
  • Page 156 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Typical wiring of a W7220 Jade Economizer Module to the Prestige THX9421 thermostat and Equipment Interface Module, configured for economizer control with custom alert. FURNACE, AIR-HANDLER, OR RTU W7220 JADE ECONOMIZER AUX2-1 RELAY...

  • Page 157: Wiring C7089U1006 Outdoor Sensor

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Wiring C7089U1006 Outdoor Wiring must comply with applicable codes, ordinances and regulations: Sensor 1. Wire C7089U1006 Outdoor Sensor to S1, S2, S3, or S4 terminals on the EIM. If leadwire provided is not CAUTION long enough (60 in.), run a cable to a hole at C7089U1006 location.

  • Page 158: Wiring Guide - Wired Indoor Sensors

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Wiring guide — Wired Indoor Sensors Use the S1, S2, S3, or S4 terminals for wired sensors. Wiring 2 TR21 sensors (20k ohm) and 1 TR21-A sensor CAUTION (10k ohm) for temperature averaging network. Select 20K in the Installer Setup (ISU 5030) when using 2 TR21 Electrical Interference (Noise) Hazard.
  • Page 159 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM ZONING The following diagrams show the wiring for zoning with different IAQ equipment. W1/E FURNACE W1/E DS/BK TRANSFORMER C7735A1000 DATS DATS DATS THM4000R POWER WIRELESS SETUP CONNECTED CONNECT THM4000R1000 PRESTIGE THERMOSTATS CAN BE POWERED BY ANY TRANSFORMER.
  • Page 160 Select the terminals wired to the humidifier at ISU 8030 (U1, U2, U3). In Fig. 362, the humidifier is wired to U1. To humidify in all zones, set ISU 8070 Humidification Control to Humidify on Demand: Humidifier Controls Fan. Call Honeywell zoning at 1-800-828-8367 if you need assistance with the zoning controls. 68-0311—07...
  • Page 161 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Zoning and Ventilation TrueZONE PANEL FURNACE PRESTIGE W1/E IAQ EIM ERV/HRV DS/BK INTERLOCK B AUX W 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.
  • Page 162 ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Zoning FAQs Q: How does the Prestige or Prestige IAQ thermostat control a humidifier in zoned systems? A: If ISU 8070 Humidification Control is set to Humidify on Demand: Thermostat Controls Fan, then the zone panel will close the dampers for the other zones with a call for humidification.

  • Page 163: Troubleshooting

    ® ® THX9321 PRESTIGE 2.0 AND THX9421 PRESTIGE IAQ WITH EIM TROUBLESHOOTING Table 17. Troubleshooting. Symptom Action Screen is blank • Check circuit breaker and reset if necessary. • Make sure power switch at heating & cooling system is on. •...
  • Page 164 2.0 AND THX9421 PRESTIGE IAQ WITH EIM Home and Building Technologies In the U.S.: Honeywell 715 Peachtree Street NE ® U.S. Registered Trademark Atlanta, GA 30308 © 2017 Honeywell International Inc. 68-0311—07 M.S. Rev. 10-17 customer.honeywell.com Printed in United States...

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