Honeywell THX9321 Prestige 2.0 User guide

THX9321 Prestige® 2.0
THX9421 Prestige® IAQ 2.0 with EIM
With wireless accessories
® U.S. Registered Trademark.
Copyright © 2012 Honeywell International Inc.
All rights reserved.
System
Installation
Guide
Control for up to 4 Heat/2 Cool heat pump systems or up to 3 Heat/2 Cool
conventional systems for residential and commercial applications.
Installation guide for:
Quick start guide
• PrestigeTHX9321/9421thermostat
• EquipmentInterfaceModule(EIM)
• PortableComfortControl
• WirelessOutdoorSensor
• WirelessIndoorSensor
• RedLINK™InternetGateway
1Install thermostat ..........................................................page 3
2Install optional Equipment Interface Module (EIM)................3
3Power optional accessories ...................................................4
4Link thermostat to wireless network ......................................5
5Link optional accessories to wireless network ......................6
6Install optional sensors..........................................................7
7Setup installer options ........................................................... 8
Wiring guides..................................................................10-17
Key features....................................................................18-25
Device replacement and specifications ..........................26-27
DISCONNECT POWER BEFORE INSTALLATION. Can cause electrical shock or equipment damage.
MERCURY NOTICE: If this product is replacing a control that contains mercury in a sealed tube, do not place the old control
in the trash. Contact the Thermostat Recycling Corporation at www.thermostat-recycle.org or 800-238-8192 for information on how
and where to properly and safely dispose of your old thermostat.
Must be installed by a trained, experienced technician. Read these instructions carefully. Failure to follow
these instructions can damage the product or cause a hazardous condition.
69-2490-05
TM

System Installation Guide
2
69-2490—05
Your Honeywell advantage
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,TrueSTEAM™humidifierwithWireless
Adapter,TrueZONE™zoningpanelwithWirelessAdapter,VentBoostRemoteandEntry/
ExitRemote.
Customizable Service Reminders
Setupto10servicereminders.Choosefromthepre-setoptionsorcustomizeyourown.
Remindersbasedondate,outdoortemperatureoradrycontactinputwillalertcustomers
withinstructionstocontactyouforassistance.
Delta T Alerts and Diagnostics
Alertsgivecustomersasenseofsecuritywhilealsoenablingyoutoserviceorreplacethe
equipmentpriortoalossofheatingorcooling.Basedonlimitsyousetatinstallation,cus-
tomerscanbealertedwhentheirsystemisnotoperatingasexpected.Thesystemalertwill
instructcustomerstocontactyouforassistance.RequiresEIM.
Delta T Installer Test
SavetimebyviewingDeltaTwhilerunningasystemtesttoverifyproperoperation.Requires
EIM.
Universal Inputs – S1 and S2
Assignableinputsallowyoutoconfigure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EIM.
User Interactions Log
Theinteractionlogstoreshistoryofthermostatsettingchangesincludingtemperature,sys-
temandinstallersetup.Youcanusetheinteractionlogtosavetimebydeterminingifthe
issue is a system error or an accidental user error.
Configurable for Residential and Light Commercial Applications
OnethermostatdoesitalltomeettheneedsofResidentialandLightCommercialapplica-
tions.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settings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temperature,humidificationanddehumidification.Theycanbeused
incombinationfortemperatureaveraging—orindividually—toconditionhumiditylevelsin
separate spaces.

THX9321/9421 Prestige®IAQ and RF EIM
369-2490—05
MCR29241
MCR32386
Install thermostat
1
• THX9421:MountthethermostatandwiretoCandRterminalsofthe
EquipmentInterfaceModule(EIM),ortoaseparate24volttransformer(not
provided).
• THX9321:InstallandwireasaboveifusingEIM.Ifnot,seepages13-15.
Seepages10-17fordetailedwiringguidelines
MCR32387
MCR32389A
R
C
Y
Y2
G
W
O/B
W2
AUX1
W3
AUX2
A
L/A
Strip 1/4” insulation, then insert wires as shown.
Install Equipment Interface Module (if used)
2
[If no EIM is used, skip to Section 3.]
Usescrews&anchorsasappropriateforthemountingsurface.MounttheEIM
neartheHVACequipment,orontheequipmentitself.
MCR32388
NOTE: If you install more than one thermostat and
EIM, the EIMs must be at least 2 feet apart.
If you are installing discharge and return air
sensors, refer to the mounting instructions in
the Alerts and Delta T Diagnostics Installation
Instructions packed with the Prestige IAQ 2.0 kit.
When the THX9321 thermostat is used with the EIM, the relays in the thermostat do not function.

System Installation Guide
4
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M32940
[If no wireless accessories are used, skip to Section 4.]
Portable Comfort Control
Install 2 fresh AAA alkaline batteries Install 3 fresh AA alkaline batteries
Wireless Outdoor Sensor Wireless Indoor Sensor
Install 2 fresh AA lithium batteries
Power optional accessories
3
TheHoneywellRedLINKInternetGatewaygivesyourcustomersremoteaccess
tohomeclimate-controlsystemsfromanylocationwithInternetaccess.
UsingaWebbrowser,userscanreviewandadjustindoortemperature,
systemmodeandothersettings.TheGatewaycanalsosendalertstoasmany
as6emailaddressesifaproblemoccurs.
RedLINK™Internet Gateway
Connect power cord to
an electrical outlet not
controlled by a wall switch
Connect RedLINK Gateway to a
router or modem with Ethernet
cable (RJ45).
MCR32937 MCR32938 MCR32939

THX9321/9421 Prestige®IAQ and RF EIM
569-2490—05
MCR32941
CONNECT
CONNECTED
S2
S2
S1
S1
Link thermostat to the wireless network
(ifusedwithanEIMorTrueZONEWirelessAdapter)
4
Next,linkallcomponentsandRedLINK™accessoriestothewirelessnetwork.
Initial powerup
Whenthethermostatisfirstactivated,itwillleadyouthroughthesteps
necessarytodefineandsetupyoursystem.Thestepswillchangedependingon
thetypeofsystemandthermostatyou'reinstalling.
Setup options for THX9321
If non-zoned system:
• Setupforthermostatonly
• SetupforusewithEIM
If zoned system:
• SetupforEIMwiredtozonepanel
• Setupforthermostatwiredtozonepanel
• SetupforRedLINKwirelessconnectiontozonepanel
(using THM4000 TrueZONE Wireless Adapter)
Setup options for THX9421
If non-zoned system:
• SetupforEIMconnection
If zoned system:
• SetupforEIMwiredtozonepanel
• SetupforRedLINKwirelessconnectiontozonepanel
(using THM4000 TrueZONE Wireless Adapter)
While the EIM light is flashing, press NEXT to link
the thermostat with the EIM. After a brief delay,
the screen will display "Device Connected."
Press and release the CONNECT button at the EIM or Wireless
Adapter, and make sure the "Connected" light is flashing green.
If the "Connected" light does not flash, make sure no other
RedLINK devices are in Wireless Setup mode, then try again.
Link thermostat to EIM or TrueZONE®Wireless Adapter
Usethestep-by-stepthermostatmenustodefineyoursystemtype(above).
WhenyoureachtheWirelessSetupscreen,followthestepsbelow:
At any screen you can press HELP for more information,
or press BACK to change earlier options.
If the power light at the wireless adapter does not turn
on, consult the TrueZONE manual for help.
"Connected" status light
• Green flashing: In Wireless Setup mode.
• Green steady: RedLINK device(s) are communicating.
• Red: RedLINK device(s) not communicating. Check EIM and RedLINK devices.