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THX9321 PRESTIGE
2.0 AND THX9421 PRESTIGE
CONTENTS
Application .....................................................
Specifications ................................................
Ordering Information ..................................
Ordering Info
System Installation ......................................
When Installing this Product... ..............................
Interface Module (if used) ........................................... 10
Wiring 24 Vac Common ............................................ 10
sor Mounting Locations ........................................... 10
Selecting Discharge and Return Air Temperature Sen-
sor Mounting Locations ............................................ 10
Location ........................................................................... 11
Selecting Thermostat Location ............................. 12
Installing Wallplate ................................................... 12
Power Optional REDLINK™ Accessories ............. 14
(if used) ......................................................................... 15
Linking RedLINK™ Accessories ............................. 16
Installer Tests ................................................ 66
Using the Equipment Test ....................................... 67
Using the Wireless Signal Strength Test ............. 67
Mounting Optional Accessories ............................ 68
Alerts and Diagnostics ................................ 86
Delta T Diagnostics ................................................... 86
Before You Set Up Delta T Diagnostics ................ 86
Setting up Alerts and Diagnostics ........................ 87
Delta T Alerts .............................................................. 89
Delta T Alerts and Utility Saver Switches ............ 90
Data Logs ..................................................................... 90
Alerts Log ......................................................................... 91
User Interactions Log ................................................. 92
Dry Contact Alerts ..................................................... 94
Indoor Air Quality (IAQ) Control ............... 102
Humidification ........................................................... 102
Set up Humidification ................................................. 103
Control Humidification Level .................................. 104
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
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).
2. Honeywell Customer Care
1985 Douglas Drive North
Golden Valley, Minnesota 55422-4386
3. http://customer.honeywell.com or http://customer.honeywell.ca
International Sales and Service Offices in all principal cities of the world. Manufacturing in Belgium, Canada, China,
Czech Republic, Germany, Hungary, Italy, Mexico, Netherlands, United Kingdom, and United States.
68-0311-07
®
IAQ WITH EIM
1
Dehumidification - Residential ............................. 105
3
With Whole House Dehumidifier ............................ 107
Set up Dehumidification Away Mode .................... 109
Control Dehumidification Level .............................. 109
8
Dehumidification - Commercial ............................ 110
8
Set up Dehumidification With Dehumidifier ...... 112
Control Dehumidification Level .............................. 113
Ventilation ................................................................... 114
Set up Ventilation ......................................................... 115
IAQ Reminders .............................................. 118
Customizable Reminders .......................... 119
USB Port ......................................................... 121
Portable Comfort Control .......................... 131
Remote Indoor Sensors .............................. 132
Commercial Features .................................. 123
Ramp Rates ................................................................. 126
Custom Names ........................................................... 126
Remote Setback ......................................................... 126
Pre-Occupancy Purge .............................................. 128
Staging Control .......................................................... 97
Optional Accessories .................................. 130
Troubleshooting ........................................... 163
Wiring .............................................................. 138
EIM Wiring Diagrams ............................................... 141
Geothermal Radiant Heat ....................................... 100
THX9321 Thermostat Wiring Diagrams .............. 144
sal Relays to Control Heating or Cooling ............ 145
Universal Terminals .................................................. 152
Economizer Module Wiring Diagrams ................. 154
Wiring C7089U1006 Outdoor Sensor .................. 157
Wiring guide - Wired Indoor Sensors .................. 158
Regulatory Information ............................. 163
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