Supco CTC PROCOMM Series User guide

To prevent damage to the thermostat, never use a sharp instrument
to press the touchscreen keys. Always press keys with your fingers.
Attention
• Possible electric shock or damage to equipment can occur.
• Disconnect power before beginning installation.
Caution
This thermostat requires 24 Volt AC Power or 2 properly installed “AA” Alkaline
batteries for proper operation. If connecting this thermostat to a Wi-Fi network,
a 24 VAC common (C wire) is required.
For use only as described in this manual. Any other use will void warranty.
Warning
For installation by experienced service technicians only.
This thermostat is compatible with:
  • Singlestageheat/coolconventionalandheatpumpsystems
  • Conventionalsystemsupto2stagesofheatingand2stagesofcooling
  • Heatpumpsystemsupto3stagesofheatingand2stagesofcooling
Electrical and control specifications:
  • ElectricalRating:24VoltAC
  • 1ampmaximumloadperterminal,6ampmaximumload
  • ACPower:18to30VoltsAC
  • DCPower:3.0VoltDC(2“AA”AlkalineBatteriesIncluded)
  • ControlRange:45°Fto90°F(7°Cto32°C)
  • TemperatureAccuracy:+/-1°F(+/-.5°C)
  • OutdoorTemperatureDisplayRange:-40°Fto120°F(-40°Cto49°C)
Terminations:
  Rc,Rh,C,W2/AUX,W1/E,L,A,O/B,G,Y2,Y1,K,S2,S1
1
Specifications
93257WF-100-01
Model number is located on back of thermostat.
*WirelessHumidityControlrequiresaccessorymodel9330.
See Wi-Fi Setup Guide for Wi-Fi Setup Instructions
Wi-Fi Thermostat
93257WF
PROCOMM SERIES
Installer
Manual 3H / 2C Smart Wi-Fi Universal
Programmable Thermostat
with Wireless Humidity Control*
1 Specifications 2 Installation and Wiring 3 Quick Reference
4
Installer Settings 5 Wireless Remote Sensors 6 System Testing
TM
powered by
®
A Division of SUPCO®

Thermostat Location
Installthethermostatapproximately5feet(1.5m)abovetheoorinanareathathasagoodamountofair
circulationandmaintainsanaverageroomtemperature.
Avoidinstallationinlocationswherethethermostatcanbeaffectedbydrafts,deadairspots,hotorcoldair
ducts,sunlight,appliances,concealedpipes,chimneysandoutsidewalls.
Installer Manual 2
Install your new CTC
®
thermostat in 4 basic steps:
1 InstalltheSub-Base
2 ProvidePower
3 ConnectYourWires
4 AttachThermostattoSub-Base
Install the Sub-Base:
•Removethesub-basefromthebodyofthethermostat.
•Mountthesub-baseasshownbelow:
Warning
Disconnect power before beginning installation.
2
Installation and Wiring
1
UP UP
Drill 3/16” pilot holes in your
desired location. Use supplied
anchors for drywall or plaster.

3 Installer Manual
Provide Power
C
24VAC Power Terminal (C)
2
Connect Your Wires
3
+
+
• For24VoltACpower,youmustconnectthecommonsideofthetransformertotheCterminalonthethermostat
 sub-base.Indualtransformerinstallations,thetransformercommonmustcomefromthecoolingtransformer.
• Forbatterypower,insertthe2supplied“AA”typealkalinebatteriesintothebatterycompartmentlocatedintherear
 housingofthethermostat.MakesuretopositionthePositive(+)andNegative(-)sidesofthebatteriescorrectlywith
 the+/-symbolsinthebatterycompartment.
• IfconnectingthisthermostattoaWi-Finetwork,a24VACcommon(Cwire)isrequired.
Batteries Installed as Shown
Terminal Function Description
  Rc Input 24VoltACCoolingTransformer
    (DualTransformerSystemsOnly)
  Rh Input PowerConnection(24VoltAC  
    HeatingTransformer)
C Input 24VoltACTransformerCommon
W2/AUX Output (W2)2ndStageConventionalHeat  
    (AUX)AuxiliaryHeat(HeatPump)
 W1/E Output (W1)1stStageConventionalHeat
   (E)EmergencyHeat
L Input SystemMalfunctionIndicator
A Output Economizer,FreshAirorOutputControl
O/B Output (O)CoolActiveReversingValve   
   (B)HeatActiveReversingValve
G Output FanControl
Y2 Output 2ndStageCompressor
Y1 Output 1stStageCompressor
  K - OptionalShare-a-Wire
TM
    moduleconnection
S2
  S1
Input OptionalWiredRemoteSensor
  (indoororoutdoor)

Installer Manual 4
1 HEAT / 1 COOL Single or Dual Transformer
Set System Type to 11CONV
Rh 24VoltACPower(heatingtransformer)[note 2]
Rc 24VoltACPower(coolingtransformer)[note 2]
W1 HeatRelay
Y1 CompressorRelay
G FanRelay
C 24VoltACTransformerCommon[note 1, 3]
NOTES - Conventional Systems
[1]Optional24VoltACcommonconnection
 (requiredforWi-Fi).
[2]Removefactoryinstalledjumperfordual
 transformersystems.
[3]Indualtransformersystems,transformer
 commonmustcomefromcoolingtransformer.
[4]Ifneededforsystem.
Provide disconnect and overload protection
as required.
2 HEAT / 2 COOL Single or Dual transformer
Set System Type to 22CONV
Rh 24VoltACPower(heatingtransformer)[note 2]
Rc 24VoltACPower(coolingtransformer)[note 2]
W1 HeatRelayStage1
W2 HeatRelayStage2
Y1 CompressorRelayStage1
Y2 CompressorRelayStage2 [note 4]
G FanRelay
C 24VoltACTransformerCommon[note 1, 3]
Typical Wiring Congurations
NOTE: The “System Type” option will be configured in the Installer Settings section.
Conventional Systems
Heat Only
Set System Type to 11CONV
Rh 24VoltACPower
W1 HeatRelay
G FanRelay[note 4]
C 24VoltACTransformerCommon[note 1]

5 Installer Manual
1 HEAT / 1 COOL - No Auxiliary Heat
Set System Type to 11HP
Rh 24VoltACPower
Rc ConnectedtoRhwithsuppliedJumperWire
O/B ChangeoverValve [note 2]
Y1 CompressorRelay
G FanRelay
C 24VoltACTransformerCommon [note 1]
3 HEAT / 2 COOL – Including Auxiliary Heat
Set System Type to 32HP
Rh 24VoltACPower
Rc ConnectedtoRhwithsuppliedJumperWire
O/B ChangeoverValve [note 2]
Y1 Compressor1Relay(1ststageheating/cooling)
Y2 Compressor2Relay(2ndstageheating/cooling)
AUX AuxiliaryHeatRelay(3rdstageheating)[note 3]
E EmergencyHeatRelay [note 3]
G FanRelay
C 24VoltACTransformerCommon[note 1]
L OptionalSystemFaultMonitor[note 4]
2 HEAT / 1 COOL - Including Auxiliary Heat
Set System Type to 22HP
Rh 24VoltACPower
Rc ConnectedtoRhwithsuppliedJumperWire
O/B ChangeoverValve[note 2]
Y1 CompressorRelay(1ststageheating/cooling)
W2 AuxiliaryHeatRelay(2ndstageheating)[note 3]
E EmergencyHeatRelay[note 3]
G FanRelay
C 24VoltACTransformerCommon[note 1]
L OptionalSystemFaultMonitor[note 4]
2 HEAT / 2 COOL - No Auxiliary Heat
Set System Type to 32HP
Rh 24VoltACPower
Rc ConnectedtoRhwithsuppliedJumperWire
O/B ChangeoverValve[note 2]
Y1 Compressor1Relay(1ststageheating/cooling)
Y2 Compressor2Relay(2ndstageheating/cooling)
G FanRelay
C 24VoltACTransformerCommon[note 1]
L OptionalSystemFaultMonitor[note 4]
NOTES - Heat Pump Systems
[1] Optional24VoltACcommonconnection
(requiredforWi-Fi).
[2] O(coolactive)orB(heatactive)isselectedin
 theInstallerSettingsmenu.
[3] Installaeldsuppliedjumperbetweenthe
 W2/AUXandW1/Eterminalsifthereis
 noseparateemergencyheatrelayinstalled.
[4] IftheLterminalisused,the24VoltACcommon
 mustbeconnected(Cterminal).
Provide disconnect and overload protection as required.
Typical Wiring Congurations
NOTE: The “System Type” option will be configured in the Installer Settings section.
Heat Pump Systems

INSTRUCTIONS
HUMID
Installer Manual 6
NOTE: This thermostat ships configured as a 1H/1C conventional
thermostat. Confirm installer settings. See page 9.
UP UP
S1
S2
G
Y1
Y2
A
H
L
C
W1/E
/AUX1
W2/
AUX2
W3/
O/B
RH
RC
C
W1/E
/
AUX
1
S2
G
4
Attach Thermostat to Sub-Base
3) InsertQuickReferenceCardintoslot
 ontopofthermostat.
1) Lineupthethermostatbodywiththesub-base.
2) Carefullypushthethermostatbodyagainstthe
 sub-baseuntilitsnapsinplace.
NOTE: Additional options are configured in the
Installer Settings section.
S1
S2
A Economizer,FreshAirorOutputControl
K Share-a-WireTMModule[note 2]
NOTES - Additional Wiring Options
[1]CanbeusedtoconnectaCTC® indoororoutdoor 
 wiredremotesensor.
[2]
Canbeusedtoshareawireonexistinginstallations
 whereacommonconnection(Cwire)isrequired.
Additional Wiring Options - All System Types
IndoororOutdoorRemoteSensor[note 1]

3) InsertQuickReferenceCardintoslot
 ontopofthermostat.
7 Installer Manual
INSTRUCTIONS
HUMID
Room Temperature...................... Displaysthecurrentroomtemperature
Lock Mode Indicator ................... Indicatesifthethermostatislocked
Set Temperature.......................... Displaysthecurrentsetpointtemperature
Service Indicators ...................... Displaysvariousservice/maintenanceinformation
Humidity Indicator....................... Indicateswhenthereisacallforhumidication
    ordehumidication
Time of Day ................................. Displaysthecurrenttimeofday
Program Event Indicator.............. Displaystheprogramevent
Day of the Week........................... Displaysthecurrentdayoftheweek
System Status Indicator ............. Displaysinformationaboutthestatusofthesystem
Hold Mode Indicator ................... IndicatesifthethermostatisinHOLDmode
Low Battery Indicator.................. Indicateswhenthebatteriesneedtobereplaced
Wi-Fi Indicator............................. IndicateswhenconnectedtoWi-Fi(asheswhen
   connectionhasbeenlost)
Fan Indicator................................ Indicateswhenthesystemfanisrunning
Quick Reference Instructions...... Storedinslotlocatedattopofthermostat
SpeedBar®................................... Increasesordecreasessettings(time,temperature,etc.)
Reset Button ............................... Resetscurrenttime,programandusersettings
Battery Compartment ................. Locatedinthebackofthermostat
3
Quick Reference
1
2
3
11
4
16
7
6
8
15
9
10
12
14
1
2
3
4
5
6
7
8
9
10
11
Thermostat Display
14
15
16
Thermostat
5
12
13
13

Installer Manual 8
Thermostat TouchPads
NOTE: Thermostat TouchPads are located on the left, right and bottom portions of the display screen. They are
the “touch sensitive” segments used to adjust your thermostat. Depending on the equipment installed, all touch
pads may not show.
SYSTEM......SelectsAUTO(Heat/Cool),COOL,OFFHEATorEMER(EmergencyHeat)
FAN.............SelectsAUTO,ON,CIRC(Circulation)andPROG(Program)fanmodes
PROG..........Selectsprogrammingmodeorpressfor3secondstoselectSpeedSet® mode
HOLD..........Enters/ExitstheHOLDmode(programbypass)
DAY/TIME...Setsthecurrenttimeanddayoftheweek
BACK..........Movesbackinsettingandprogrammingmodes
NEXT...........Movesforwardinsettingandprogrammingmodes
RETURN......Returnstonormalmodefromprogramorsettingsmodes
CONFIG.......EnterstheUserandInstallersettingsmodes
HUMID........Displaysoradjuststhecurrenthumiditylevel
Outdoor Temperature
Ifanoutdoortemperaturesensorwasconnected,youmaytouchtheroomtemperatureareaofthescreento
viewtheoutdoortemperature.
INSTRUCTIONS
HUMID

9 Installer Manual
TheInstallerSettingsmustbeproperlyconguredinorderforthisthermostattooperatecorrectly.TheInstaller
Settingsaremenudriven.Theportionofthesesettingsthatdonotapplytoyoursetupwillbeskipped.These
settingsareindicatedbelowwithcomments.Moredetailoneachsettingfollowsthistable.
1. TouchandholddowntheSYSTEMandCONFIGTouchPadsfor3seconds.
2. Releasebothbuttonsandtherstinstallersettingwillbedisplayed.
3. ChangesettingsasrequiredusingtheUPorDOWNportionoftheSpeedBar®.
4. TouchNEXTorBACKtomovetothenextorprevioussetting,touchRETURNtoexit.
No. Installer Setting Factory Setting Comments
(Notes follow this table) Default Options (More information follows this table)
1  Residentialor RES RES SelectforResidentialprole
  orCommercialProle    COMM SelectforCommercialprole
2  ProgrammingMode 7 PROG 7 PROG Selectfor7dayprogrammingmode
[note 1] 52 PROG Selectfor5-2dayprogrammingmode
NO PROG Selectfornon-programmablemode
3  ClockFormat 12 HR 12 HR Selectfor12hourclock
24 HR Selectfor24hourclock
4  TemperatureScale F DEG F DEG SelectforFahrenheitdisplay
C DEG SelectforCelsiusdisplay
5  AutoChangeover oF AUTO oF AUTO DisablesAutoChangeovermode
ON AUTO EnablesAutoChangeovermode
11CONV Selectfor1H/1CConventionalsystem
22CONV Selectfor2H/2CConventionalsystem
6  SystemType 11CONV 11HP Selectfor1H/1CHeatPumpsystem
22HP Selectfor2H/2CHeatPumpsystem
32HP Selectfor3H/2CHeatPumpsystem
7  1stStageDifferential 0.5 DIF1 0.5, 1.0or Selecta1ststagetemperaturedifferentialof.5°,
2.0 DIF1 1°or2°F(.25°,.5°or2°C)
8  2ndStageDifferential 2.0 DIF2 1.0, 2.0, 3.0,  Selecta2ndstagetemperaturedifferentialof1°,
[note 2] 4.0, 5.0or 2°,3°,4°,5°or6°F(.5°,1°,1.5°,2°,2.5°or3°C)
6.0 DIF2
9  3rdStageDifferential 2.0 DIF3 1.0, 2.0, 3.0,  Selecta3rdstagetemperaturedifferentialof1°,2°,
[note 2] 4.0, 5.0or 3°,4°,5°or6°F(.5°,1°,1.5°,2°,2.5°or3°C)
6.0 DIF3
10 1stStageFanControl HG FAN 1 HG FAN 1 Selectfor1ststageGasheating
[note 3] HE FAN 1 Selectfor1ststageElectricheating
11 EmergencyHeat] HE EMER HE EMER SelectforElectricEmergencyHeat
  FanControl[note 4] HG EMER SelectforGasEmergencyHeat
12 ReversingValve REVO REVO SelectforcoolactiveReversingValve(Oterminal)
  (O/BTerminal)[note 5] REVB SelectforheatactiveReversingValve(Bterminal)
4
Installer Settings

Installer Manual 10
No. Installer Setting Factory Setting Comments
(Notes follow this table) Default Options (More information follows this table)
 13 FossilFuel AE AUX AE AUX SelectforElectricAuxiliaryheat(withcompressor)
  BackupHeat[note 4] AG AUX SelectforGasAuxiliaryheat(withoutcompressor)
 14
CompressorPowerOutage oF CPOP oF CPOP DisablesPowerOutageLockoutDelay
  Protection [notes 4, 6] on CPOP EnablesPowerOutageLockoutDelay
 15 ACPowerInterrupt
AC oF MONR AC oF MONR DisablesACPowerInterruptWarning
  Warning[note 6] AC on MONR EnablesACPowerInterruptWarning
 16 CompressorShort 5 CSCP 5, 4, 3, 2or Selectacompressorshortcycleprotectiondelayof5, 
  CycleProtection   0 CSCP  4,3,2or0minutes
 17 ResidualCooling 60 FAN 90, 60, 30  SelectaResidualCoolingFanDelayof90,60,
  FanDelay   or0 FAN 30or0seconds.
 18 CirculatingFanLock oF CIRC oF CIRC DisablesCirculatingFanLockmode
on CIRC EnablesCirculatingFanLockmode
 19 AdaptiveRecovery oF REC oF REC DisablesAdaptive(early)Recoverymode
  Mode(ARM™) [note 7] on REC EnablesAdaptive(early)Recoverymode
 20 IndoorRemoteSensor I SENS I SENS Temperatureissensedfromthermostatonly.
  Control*[note 8] E SENS Temperatureissensedfromremotesensor(s)only.
  (wirelesssensorsmust     (averagedifmorethanone)
  bepaired)   A SENS Temperatureisaveragedwiththethermostatand 
        theremotesensor(s).
 21 LockoutSecurityLevel 2 LOCK 2 LOCK Iflocked–Completelockoutisenabled
  (set3-digitcodein   1 LOCK Iflocked–Partiallockoutisenabled(SpeedBar
®
is 
  usersettings)     stillfunctional)
 22 AutoChangeover 3 BAND 2, 3, 4or5 SelectaDeadBandof2°,3°,4°or5˚F  
  DeadBand[note 10] BAND  (1°,2°or3°C)forAutoChangeovermode.
 23 CompressorBalance NO BALC NO BALC DisablesBalancePoints
Point[notes 4, 10] 0-50 BALC SelectaCompressorBalancePointof0°-50°F
 (-18°-10°C)
24 AuxiliaryHeatBalance NO BALA NO BALA DisablesBalancePoints
Point[notes 4, 10] 70-40 BALA SelectaAuxiliaryHeatBalancePointof70°-40°F 
 (21°-4°C)
25 EconomizerFreshAiror OA NONE OA NONE DisablesFreshAirIntakeoption
  OutputControl[note 11] OA ECON EnablesFreshAirIntake(EconomizerMode)
OA TOD EnablesFreshAirIntake(TimeofDayMode)
 26 HeatSetPointUpperLimit 90LIM 90-60 LIM SelectaHeatSetPointUpperLimitof90°-60°F(32°-10°C)
 27 CoolSetPointLowerLimit 45LIM 45-80 LIM SelectaCoolSetPointLowerLimitof45°-80°F(7°-27°C)
 28 Humidication OFF OFF DisablesHumidication
[note 12] DEP EnablesDependantHumidication
IND EnablesIndependentHumidication
 29 AutoHumiditySet AUTO AUTO Enablesautomatichumiditycontrolbasedon
  PointLimit[notes 10, 12]     outdoortemperature.
MAN Enablesmanualhumiditycontrolfromthermostat.
 30 Dehumidication OFF OFF DisablesDehumidication
[note 12] NI  Normallyinactive(open)relay
NA Normallyactive(closed)relay
 31 InstallerClear CLR0 CLR0 ClearOff-Nochangesmadetosettings
CLR1 Clearswirelessremotesensorsettings
CLR2 Clearsallthermostatsettings(factorydefaults)
Options(shaded)28-30onlyappearifoptionalwirelessremotehumiditysensorisinstalled.
*Whenanoutdoorsensorisconnected,thethermostatautomaticallyrecognizesit.Pressroomtemperaturedigitsto
displayoutdoortemperature.
NOTE: Additional options such as Service Monitors, Setting the lock code, audible tone, etc. are
located in the User Settings – See User manual for information on setting these options.

11 Installer Manual
NOTES - Installer Settings
1 OnlyavailableifResidentialprolewasselectedinoption1.
2 Onlyavailableifa2or3stagesystemtypewasselectedinoption6.
3 OnlyavailableifaConventionalsystemwasselectedinoption6.
4 Onlyavailableifa2or3stageHeatPumpsystemwasselectedinoption6.
5 OnlyavailableifaHeatPumpsystemwasselectedinoption6.
6 Onlyavailableifthe24VoltACcommonwireisconnectedtotheCterminal.
7 Onlyavailableifaprogrammableprolewasselectedinoption2.
8 OnlyavailableifaCTC® indoorremotesensorisconnected(wiredorwireless).
9 Onlyavailableifautochangeoverwasenabledinoption5.
10 OnlyavailableifaCTCoutdoorsensorwasconnected.
11 OnlyavailableifCommercialprolewasselectedinoption1.
12 OnlyavailableifaCTCwirelesshumiditysensor(Model9330)isconnected.
Detailed Explanation of Installer Settings (also see NOTES above):
1Profile–Selectsaresidential(RES)orcommercial(COMM)prole.Ifresidentialisselected,4programming
 eventsperdayareavailable.Ifcommercialisselected,2event,7dayprogrammingisavailable.
2Programming Mode [note 1]–Selectstheprogrammingmode,eitherfull7dayor5-2day(weekday/
 weekend)programmingornon-programmable.
3Clock Type–Selectseithera12houror24hourclock.
4Temperature Scale–Selectsatemperaturescaleofeither°For°C.
5Auto Changeover–Selectsautochangeoveronoroff.Whenautochangeovermodeisenabledand
 selected,thesystemautomaticallyswitchesbetweenheatingandcoolingmodes.Thereisa5minutedelay
 whenswitchingfromheatingtocoolingorcoolingtoheatinginautochangeovermode.
NOTE: Also see “Auto Changeover Dead Band” in option 22.
6System Type–Selectsthesystemtypeforyourinstallation.NOTE: Changes made to this option will reset
options 7 through 14 back to their default values dependant on the system type.
71st Stage Differential–Selectsa1ststagetemperaturedifferential.
82nd Stage Differential [note 2]–Selectsa2ndstagetemperaturedifferential.
93rd Stage Differential [note 2]–Selectsa3rdstagetemperaturedifferential.
10 1st Stage Fan Control [note 3]–Selectsa1ststagefancontrolofeithergasorelectricheat.
11 Emergency Heat Fan Control [note 4]–Selectsemergencyheatfancontrolofeithergasorelectricheat.
12 Reversing Valve [note 5]–SelectstheoutputstateoftheO/Bterminal.SelectOforthisterminaltobe
 activeinthecoolmodeorselectBforthisterminaltobeactiveintheheatmode.
13 Auxiliary Fossil Fuel Heat Pump Control [note 4]–Whensettoelectric(AEAUX),boththecompressor
 (1ststage)andauxiliarystage(s)willrunwhenacallforauxiliaryheatismade.Whensettogas(AGAUX),
 thecompressorstage(s)willbelockedoutoneminuteafteracallforauxiliaryheat.NOTE: This option can
be overridden if setting an auxiliary heat balance point in Option 24.
14 Compressor Power Outage Protection [notes 4, 6]–Selectspoweroutageprotectiononoroff.When
 enabled,thisthermostatwillprovidecoldweathercompressorprotectionbylockingoutthecompressor
 stage(s)ofheatingforaperiodoftimeafterapoweroutagegreaterthan60minutes.

Installer Manual 12
15 AC Power Interrupt Warning [note 6]–Whenenabled,thethermostatwilldisplayanoutagewarning
 whenACpowertothethermostatislost.
16 Short Cycle Protection–Selectsthenumberofminutesthecoolingcompressorwillbelockedoutafter
 turningoff.Thisshortcycleprotectionisalsoactiveintheheatmodeifaheatpumpsystemwasselectedin
 Option6.
17 Residual Cooling Fan Delay–Selectsadelayforthesystemfanafterthecoolingcompressorhasturned
 off.Thisdelaywillhelpremovetheremainingcoolairoutoftheductworkprovidingadditionalefciency.
18 Circulating Fan Lock–Whenenabled,theonlyuserfanoptionsavailableareONandCIRC(Circulation).
 TheAUTOoptionisnotavailablewiththisoptionenabled.
19 Adaptive Recovery Mode (early recovery) [note 7]–EnablesordisablestheARMTM(adaptiverecovery
 mode)feature.DuringARM,roomtemperatureisrecoveredbyturningontheheatingorcoolingbeforethe
 endofthesetbackperiod.Thesetpointtemperatureischangedtothatoftheupcomingprogramtemperature.
20 Indoor Remote Sensor Control [note 8]–IfaCTC® indoorremotesensorisconnected(wired)or 
 paired(wireless)duringinstallation,thethermostatwillautomaticallydetectthesensor.Whenanindoor
 sensorisdetected,youmayselectbetweenthermostatonly(ISENS),remotesensoronly(ESENS)or
 combiningthethermostatandtheremotesensor(s)(ASENS).
NOTE: This option does not apply to the CTC outdoor sensor. When an outdoor sensor is connected
(wired) or paired (wireless), the thermostat automatically recognizes it and no further configuration
is necessary.
21 Lockout Security Level–Selectsthelevelofkeypadlockoutwhenthethermostatislocked.Level2locks
theentirethermostat(includingthefrontresetbutton).Level1lockseverythingexcepttheSpeedBar®
 allowingforupanddowntemperatureadjustment.NOTE: The lock code is set in the User Settings mode
(see User Manual).
22 Auto Changeover Dead Band [note 9]–Whenautochangeovermodeisenabledinoption5and
 selected,thesystemautomaticallyswitchesbetweenheatingandcoolingwhentheroomtemperature
 meetsthenormalcriteriaforeitheraheatingorcoolingcall.Thereisaforcedseparation(deadband)
 betweentheheatingandcoolingsetpointssothatthesystemsdonotworkagainsteachother.This
 optionselectstheamountofthisdeadbandindegreeswiththedefaultbeing3°F.
23 Compressor Balance Point [notes 4, 10]–Locksouttheuseofthecompressorheatstagewhenthe
 outsideairtemperatureislessthantheselectedsettingof0˚Fto50°F(-9°Cto10°C)
24 Auxiliary Heat Balance Point [notes 4, 10]–Locksouttheuseoftheauxiliaryheatstagewhenthe
 outsideairtemperatureexceedstheselectedsettingof70°Fto40°F(21°Cto4°C).NOTE: This balance
point overrides the fossil fuel compressor lockout in option 13. If this option is set to gas and the outdoor
temperature is over the auxiliary balance point, the compressor will remain on during a call for auxiliary heat.

13 Installer Manual
25 Economizer, Fresh Air or Output Control [note 11]–Selectscontroloptions.Selectbetweendisabled
 (NONE),economizermode(ECON)andtimeofday(TOD)mode.
26 Heat Set Point Upper Limit–Selectstheheatingsetpointupperadjustmentlimit.
27 Cool Set Point Lower Limit–Selectsthecoolingsetpointloweradjustmentlimit.
28 Humidification Mode [note 12]–Forusewithanexternalhumidier.Selectsbetweendisabling
 humidication(OFF),dependentcontrol(DEP)orindependentcontrol(IND).TheDEPsettingcontrols
 humidicationonlyduringacallforheating.TheINDsettingallowshumidicationoutputintheheatmode,
 butdoesnotrequireacallforheating.NOTE: It is recommended that the IND setting only be used with
systems designed for low air temperature humidification such as steam humidification. Always ensure the
heat exchanger or other system parts are not exposed to excess water from condensation or other sources.
When there is any doubt, use the OFF or DEP setting.
29 Auto Humidity Set Point Limit [notes 10, 12]–Selectbetweenturningtheautomatic
 humiditysetpointlimittoauto(AUTO)ormanual(MAN).WhenAUTOisselected,humiditycontrolisprovided
 automaticallybasedontheoutdoortemperature.SelectingMANallowsyoutomanuallycontrolthelevel
 ofhumidity.
30 Dehumidification [note 12]–Forusewithanexternaldehumidier.Selectbetweendehumidication
disabled(OFF),anormallyinactive(NI)ornormallyactive(NA)relay,dependingontherequirementsofyour
 externaldehumidicationequipment.
31 Installer Clear–Clearssettingsbasedonyourselection.CLROmakesnochanges,CLR1clearsallwireless
 remotesensorsettingsandCLR2clearsALLthermostatsettingstofactorydefault.
WARNING:IfyoupressNEXTorRETURNafterselectingCLR1orCLR2theclearwilltakeplaceand
 theappropriatesettingswillbereturnedtofactorydefaults.Ifyoudonotwishtomakeanychanges,usethe
 SpeedBar®toselectCLRO.
Time Step / Override Cooling Call
Occupied YES or NO ON ON OFF
YES ON OFF OFF
NO OFF OFF OFF
Override YES or NO ON ON OFF
External Air or Output Control (A)
Economizer Time of Disabled
Mode Day Mode
Time Step / Override Heating Call
Occupied YES or NO ON ON OFF
YES OFF OFF OFF
NO OFF OFF OFF
Override YES or NO ON ON OFF
External Air Output (A)
Economizer Time of Disabled
Mode Day Mode
Unoccupied
Unoccupied

NOTE: See the wireless remote sensor manual for complete installation and use instructions.
Compatible Wireless Remote Sensors
WirelessRemoteIndoorSensor(s)–4sensorsmaximum
WirelessRemoteOutdoorSensor–1sensormaximum
WirelessRemoteHumiditySensor–1sensormaximum
NOTE: No more than 4 wireless remote sensors can be connected.
Pairing Wireless Remote Sensors
1 PressandholdtheCONFIGandDAY/TIMEbuttonsfor3seconds.
2PressNEXT untilthewordSENSappearsinthedisplayandthesymbolashes.
3 Aftertheremotesensorispowered,pressandholdtheCONNECTbuttonatthesensorfor3seconds.
4 Theremotesensorwillenterpairingmodefor60seconds.DuringthistimetheblueLEDonthewireless
 remotesensorwillashonceevery2seconds.
5Thethermostatdisplaywillchangeandindicatewhichremotesensorhasbeenpaired(seeTable1).The
 symbolwillstopashingandtheblueLEDontheremotesensorwillturnonfor60seconds.
6 Topairanotherwirelessremotesensor,pressNEXTandrepeatsteps3-5.
7PressRETURNatanytimetoexit.
NOTE: Sensors that have already been paired will appear in the thermostat display first, with a solid symbol.
Using Wired Remote Sensors
OnewiredindoororwiredoutdoorremotesensorcanalsobeconnectedtothethermostatsS1andS2terminals
using2-wirethermostatcable.
Youcannotmixwiredandwirelessremotesensorsofthesametype(i.e.mixinganindoorwirelessremote
sensorandanindoorwiredremotesensor).
Replacing a Thermostat
Ifyouarereplacingathermostatthatispairedwithanexistingwirelesssensor,youwillneedtocleartheremote
sensorandpairitagainwiththenewlyinstalledthermostat.
1 Installthenewthermostat.
2 Onthewirelessremotesensoryouwanttoclear,pressandholdtheCONNECTbuttonfor10secondsuntilthe
 redLEDturnsonsolid.
3ReleasetheCONNECTbuttonandtheblueandredLEDwilleachashoncetoindicatethesensorwas
 successfullycleared.
4 Pairtheremotesensoragain.
Replacing a Sensor
Ifyouarereplacingawirelessremotesensorthatispairedwithanexistingthermostat,youwillneedtoclearthe
thermostat’sremotesensorsettingsbeforepairingthenewwirelessremotesensor.
1 Installthenewwirelessremotesensor.
2 ThermostatremotesensorsettingsareclearedbyadjustingInstallerSetting31toCLR1(seepages9-10).
 Thissettingclearsalltheremotesensorspairedwiththethermostat.
NOTE: Be careful not to select CLR2 unless you want to clear all the thermostat settings.
3Oncetheremotesensorsettingsareclearedyouwillneedtopairyournewwirelessremotesensor.Youwill
 alsoneedtopairanyotherexistingwirelessremotesensorsthatwerepreviouslyconnected.
5
Wireless Remote Sensors
Installer Manual 14
IDS1, IDS2, IDS3orIDS4 RemoteIndoorSensor1-4
HMS  RemoteHumiditySensor
ODS  RemoteOutdoorSensor
Table 1

15 Installer Manual
Wireless Remote Sensor Communication Loss
Ifcommunicationbetweentheremotesensorandthermostatislost,theredLEDontheremotesensor
willbegintoashonceevery10seconds.Thesensorwillattempttoreconnecttothethermostatseveral
timesautomatically.
NOTE: To attempt to reconnect manually, press and hold the CONNECT button for 3 seconds.
Thethermostatdisplaywillalsoindicatewhichwirelessremotesensorhaslostcommunicationbyashing
COMMLOSSalongwiththeremotesensorthathaslostcommunication(seeTable2).
Wireless Remote Sensor Low Battery
Ifthebatteriesinawirelessremotesensorarelow,theredLEDwillash3timesevery30seconds.The
thermostatdisplaywillalsoindicatewhichwirelessremotesensorhasalowbatterybyashingLOWBATT
alongwiththeremotesensorthathasthelowbatterycondition(seeTable2).Replacetheremotesensor
batteriesimmediately.
NOTE: If Audible Tone is enabled in User Options (see User Manual), the thermostat will also sound a beep every
60 seconds when communication has been lost. You can press RETURN to cancel the beeping sound.
IDS1, IDS2, IDS3orIDS4 RemoteIndoorSensor1-4
HMS  RemoteHumiditySensor
ODS  RemoteOutdoorSensor
Warning
Read Before Testing
• Donotshort(orjumper)acrossterminalsonthegasvalveorattheheatingorcoolingsystemcontrolboard
 totestthethermostatinstallation.Thiscoulddamagethethermostatandvoidthewarranty.
• DonotselecttheCOOLmodeofoperationiftheoutsidetemperatureisbelow50ºF(10ºC).Thiscould
 possiblydamagethecontrolledcoolingsystemandmaycausepersonalinjury.
• Thisthermostatincludesanautomaticcompressorprotectionfeaturetoavoidpotentialdamagetothe
 compressorfromshortcycling.Whentestingthesystem,makesuretotakethisdelayintoaccount.
NOTE: The compressor delay can be bypassed by pressing the reset button on the front of the thermostat.
All user settings will be returned to factory default, however all Installer settings will remain as originally
programmed in section 4.
1 TouchtheSYSTEMTouchPaduntilthethermostatisinHEATmode.
2 UsingtheSpeedBar®raisethesettemperatureaminimumof3degreesabovethecurrentroom 
 temperature.Thesystemshouldstartwithinafewseconds.Withagasheatingsystem,thefanmay
 notstartrightaway.
3 TouchSYSTEMuntilthethermostatisintheOFFmode.Allowtheheatingsystemtofullyshutdown.
4 TouchSYSTEMuntilthethermostatisintheCOOLmode.
5 UsingtheSpeedBarlowerthesettemperatureaminimumof3degreesbelowthecurrentroom 
 temperature.Thesystemshouldstartwithinafewseconds(unlesscompressorshortcycleprotection
 isactive–Seenoteabove).
6 TouchSYSTEMuntilthethermostatisintheOFFmode.Allowthecoolingsystemtofullyshutdown.
7 TouchFANuntilthethermostatisinFANONmode.Thesystemfanshouldstartwithinafewseconds.
8 TouchFANuntilthethermostatisinFANAUTOmode.Allowthesystemfantoturnoff.
9 Ifthethermostatiscontrollingauxiliaryequipmentsuchasaneconomizeretc.,adjustthethermostat
 settingstotestthesedevices.
6
System Testing
Table 2

93257WF-100-01
ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimitsare
designedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgeneratesusesandcanradiate
radiofrequencyenergyand,ifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.
However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioor
televisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneor
moreofthefollowingmeasures:
•Reorientorrelocatethereceivingantenna.
•Increasetheseparationbetweentheequipmentandreceiver.
•Connecttheequipmentintoanoutletonacircuitdifferentfromthattowhichthereceiverisconnected.
•Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
Changesormodicationsnotexpresslyapprovedbythepartyresponsibleforcompliancecouldvoidtheuser’sauthoritytooperatetheequipment.
Thisdevicecomplieswithpart15oftheFCCRules.Operationissubjecttothefollowingtwoconditions:(1)Thisdevicemaynotcauseharmfulinter-
ference,and(2)thisdevicemustacceptanyinterferencereceived,includinginterferencethatmaycauseundesiredoperation.
ThisdevicecomplieswithIndustryCanada’slicence-exemptRSSs.Operationissubjecttothefollowingtwoconditions:
(1)Thisdevicemaynotcauseinterference;and
(2)Thisdevicemustacceptanyinterference,includinginterferencethatmaycauseundesiredoperationofthedevice.
CetappareilestconformeauxCNRexemptsdelicenced’IndustrieCanada.Sonfonctionnementestsoumisauxdeuxconditionssuivantes:
(1)Cedispositifnepeutcauserdesinterférences;et
(2)Cedispositifdoitacceptertouteinterférence,ycomprislesinterférencesquipeuventcauserunmauvaisfonctionnementdel’appareil.
Store this manual for future reference.
CTC Thermostats Limited Warranty
CTCwarrantsyourCTCthermostattobefreefromdefectsinmaterialorworkmanshipforaperiodofthreeyearsfromthedateofsale
totheoriginaluserorconsumerpurchaser.IfyourCTCthermostatmalfunctionsorfailswithinthewarrantyperiodbecauseofadefect
inmaterialorworkmanship,wewillreplaceit.
THISWARRANTYISINLIEUOFALLOTHEREXPRESSWARRANTIES.THEDURATIONOFANYIMPLIEDWAR RANTY,BUTNOTLIMITEDTO,
ANYIMPLIEDWARRANTYOFMERCHANTABILITYORFITNESSFORA PARTICULARPURPOSE,INRESPECTTOYOURCTCTHERMOSTATIS
LIMITEDTOTHEPERIODOFTHEEX PRESSWARRANTYSETFORTHABOVE.
ThiswarrantyisvoidedifyourCTCthermostatisnotpurchasedandusedintheUSA.Thiswarrantyexcludesanddoesnotcoverdefects,
malfunctionsorfailuresofyourCTCthermostatwhichwerecausedbyrepairsbypersonsnotauthorizedbyus,mishandling,improper
installation,modicationsordamagetotheCTCthermostatwhileinyourpossession,orunreasonableuse,includingfailuretoprovide
reasonableandnecessarymaintenance.
CTC
ClimateTechnologyCorporation
ADivisionofSUPCO,Inc.
P.O.Box21
2230LandmarkPlace
Allenwood,NJ08736USA
www.supco.com
Alltrademarksarethepropertyoftheirrespectiveowners.
©2015ClimateTechnologyCorporation•MadeinChina.