ClimateMaster ATA11U03 Owner's manual
- Category
- Thermostats
- Type
- Owner's manual
ClimateMaster ATA11U03 is a non-programmable heat pump thermostat that offers precise temperature control for your home. With its intuitive interface and a variety of features, it's designed to enhance your comfort and energy efficiency.
ClimateMaster ATA11U03 is a non-programmable heat pump thermostat that offers precise temperature control for your home. With its intuitive interface and a variety of features, it's designed to enhance your comfort and energy efficiency.
ATA11U03
Non-Programmable
Heat Pump Thermostat
Installation Manual
97B0082N06
Revised: 14 July, 2016
FOR INSTALLER
AND OWNER ONLY
Table of Contents
Safety Considerations 3
General 3
Package Contents 3
Installation Considerations 3
Power 3
Wiring 3
Thermostat Location 3
Installation 4
Conguration 5-8
EnteringandExitingCongurationMode 5
CongurationOptions 5
ExitingCongurationMode 8
SystemStart-UpandCheckout 8
InstallerTestMode 8
TerminatingInstallerTest 8
Checklist 8
Operation 9
ModeSelection 9
FanSelection 9
FanDisplay 9
SetTemperatureSelection 9
DisplayLighting 9
RemoteSensorTemperatureDisplay 9
Timers 10
Five-MinuteCompressorTimeguard 10
MinimumOnTimer 10
Cycle Timer 10
Troubleshooting 10
SpaceTemperatureSensorFailure 10
MemoryFailure 10
EquipmentOutputs 10
Wiring Diagrams 10
ThermostatCongurationRecord 11
Revision History 12
2
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
This Page Intentionally Left Blank
3
THE SMART SOLUTION FOR ENERGY EFFICIENCY
ATA11U03
Rev.: 07/14/16
General
Safety Considerations
Readandfollowmanufacturerinstructionscarefully.
Followalllocalelectricalcodesduringinstallation.All
wiringmustconformtolocalandnationalelectrical
codes.Improperwiringorinstallationmaydamage
thermostat.
Recognize safety information. This is the safety alert
symbol .Whenthesafetyalertsymbolispresenton
equipmentorintheinstructionmanual,bealerttothe
potentialforpersonalinjury.
UnderstandthesignalwordsDANGER, WARNING,
and CAUTION.Thesewordsareusedwiththesafety
alertsymbol.DANGERidentiesthemostserious
hazardswhichwillresultinseverepersonalinjuryor
death. WARNINGsigniesahazardwhichcouldresult
inpersonalinjuryordeath.CAUTIONisusedtoidentify
unsafepracticeswhichwouldresultinminorpersonal
injuryorpropertydamage.
General
Non-programmableheatpumpthermostatsarewall-
mounted,low-voltagethermostatsthatmaintain
roomtemperaturebycontrollingtheoperationof
heatpumpsystems.Avarietyoffeaturesareprovided
includingseparateheatingandcoolingsetpoints,auto
changeover,keypadlockout,backlighting,andbuilt-in
installer test.
Figure 1: Non-Programmable Heat Pump Thermostat
ThisInstallationInstructioncoversinstallation,
conguration,andstartupofthenon-programmableheat
pumpthermostat.
Thismanualisintendedforinstallerandowneronly.
Package Contents
1-Thermostat
1-Backplate(mountingbasewithterminalstrips)
2-Screwsandanchors
3-UserOperatingManual(reviewwithenduser)
Installation Considerations
Power-24voltAC(50/60Hz)powerviatheRc/RhandC
terminals.RcandRhterminalsareconnectedviafactory-
installedjumperwire.
Wiring - Requires6conductorthermostatcablefor2fan
speedunits.Thewirelengthshouldbenomorethan250
ft(76m).Use22AWG(AmericanWireGage)fornormal
wiringapplications.Continuouswirelengthsover100ft
(30.5m)shoulduse20AWGorlarger.
Recongureifunitisonly1fanspeed,seeoption40.
Note: This thermostat has battery compartment but is
non-operational and must be wired.
Thermostat Location —
Thethermostatshouldbemounted:
• approximately5ft(1.5m)fromtheoor
• intheconditionedspace,preferablyonaninsidewall
onasectionofwallwithoutpipesorductwork
ThethermostatshouldNOTbemounted:
• closetoawindow,onanoutsidewall,ornexttoa
doorleadingtotheoutside
• whereexposedtodirectlightandheatoranyother
temperature-radiatingobjectwhichmaycauseafalse
reading
• closetoorindirectairowfromsupplyregistersor
returnairgrilleinareaswithpooraircirculation.
4
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
Installation - Toinstallthethermostat,performthe
followingprocedure:
1. Turnoffallpowertoequipment.
Installation
� CAUTION! �
ENVIRONMENTAL HAZARD! Failure to follow this
caution may result in environmental damage. Mercury is a
hazardous waste. Federal regulations require that mercury
be disposed of properly.
2. Ifanexistingthermostatisbeingreplaced:
a. Remove existing thermostat from wall.
b. Recordthewirecolorandoldterminalmarking.
c. Disconnectwiresfromexistingthermostat,one
atatime.Becarefulnottoallowwirestofallback
into the wall.
d. RecycleoldthermostatsthatcontainMercury.
Figure 2: Backplate Mounting
2.A New Installation -
a.Optional-install2x4boxhorizontal.
b.Runnewwiring,mustmeetallNECandlocal
codes.
c. Noteeachwirecolorandconnectionatunit.
3. Pressthethumbreleaseatthetopofthethermostat
andpullapartcarefullytoseparateback-platefrom
the thermostat.
4. Pullthermostatwiresthroughlargeholein
backplate.Levelback-plateagainstwall(for
appearanceonly,thethermostatdoesnotneedbe
leveledforproperoperation)andmarkwallthrough
twomountingholes.SeeFig.2.
5. Fordirectmountingtowall,drilltwo3/16-in.
mountingholesinthewallwheremarked,use
anchorsprovided.
6. Securebackplatetoboxorwallwithtwoscrews
provided.Makesureallwiresextendthroughholein
backplate.
7. Adjustlengthandroutingofeachwiretoreach
properconnectorblockandterminalonbackplate
with1/4-in.(6mm)ofextrawire.Striponly1/4-in.of
insulationfromeachwiretopreventadjacentwires
from shorting together when connected.
8. Matchandconnectequipmentwirestoproper
terminalsoftheconnectorblocks(seeFig.3).
9. Pushanyexcesswireintowallandagainstbackplate.
Sealholeinwalltopreventairleaks.Leakscanaffect
operation.
10. Attachthermostattobackplatebyinsertingtabon
bottomedgeandhingingupuntiltopsnapsecures.
11. TurnONpowertounit.
Whenpowerisapplied,alldisplayiconsarelitfor2
secondstotestthedisplay.Followingthis,theequipment
typeforwhichthethermostatisconguredisdisplayed
for an additional 2 seconds.
� CAUTION! �
Failure to follow this caution may result in equipment
damage or improper operation. Improper wiring or
installation may damage the thermostat. Check to make
sure wiring is correct before proceeding with installation or
turning on unit.
Figure 3: Terminal Strip (wiring diagram - see gure 7)
� WARNING! �
WARNING! Electrical shock can cause personal injury and
death. Before installing thermostat, shut off all power to
this equipment during installation. There may be more than
one power disconnect. Tag all disconnect loca tions to alert
others not to restore power until work is completed.
5
THE SMART SOLUTION FOR ENERGY EFFICIENCY
ATA11U03
Rev.: 07/14/16
Conguration
Conguration
Congurationoptionsenabletheinstallertocongure
thethermostatforaparticularinstallation.These
congurationoptionsarestoredtotheinternal
memorysotheyareretainedthroughapoweroutage.
Theavailabilityofsomecongurationoptionswillbe
dependentuponotherconditionsinthethermostat.
Table 1: Conguration Options Summary
Entering and Exiting Conguration Mode-Pressand
holdthefanbuttonforabout10seconds.Afterthe10
secondperiodtheOptionnumber“02”willappear
ashinginthespacetemperaturelocation.Thevalueof
thecongurationsettingwillbedisplayedinthesetpoint
location.
Theparameterthatischangeablewillbedeterminedby
theashingarea.Theupordownbuttonscanbeused
toselectanewvalue.Themodebuttoncanbeusedto
toggle/movetheselectionbetweentheconguration
optionnumberandthecongurationvalue.Toexitthe
installercongurationscreen,pressthefanbutton.If
nobuttonispressedforthreeminutes,theinstaller
congurationscreenwilltimeoutandthethermostatwill
returntonormaloperation.
Allchangestotheinstallercongurationaresavedas
theyaremade.Thereisnoprovisiontoexittheinstaller
congurationandcancelthechange.Theinstallerwill
havetomanuallychangeacongurationbacktoits
originalvalueto“undo”achange.
Conguration Options
OPTION 02 — REMOTE SENSOR SELECTION — A
remotesensor17B0008N05(forinsideduet),orASW06
(forwall)canbeconnectedtotheS1andS2screw
terminalstosenseeitherremotespace,returnair,
outdoorair,orsupplyairtemperature.
Selection:rA,Od,SA,rS
rA*—Sensereturnairtemperature
*Displayonly,notusedfortemperaturecontrol.
Od*—Senseoutdoorairtemperature
SA*—Sensesupplyairtemperature
rS—Senseremotespacetemperature
Default:rS
Note: Option 02 cannot be changed from the rS setting
if Option 05 is set to either r or Lr.
OPTION 03 — ENGLISH/METRIC—Thisconguration
selectsbe-tweenFahrenheit(F)andCelsius(C)operation.
Selection:F,C
Default:F
OPTION 05 — SPACE TEMPERATURE SENSING —
This selection determines which sensor the control
willuseformeasuringspacetemperature.Space
temperaturecanbesensedinoneofthreeways:the
localsensor(L)locatedonthethermostat,theremote
sensor(r),ortheaverageoflocalandremotesensors(Lr).
Selection:L,r,Lr(Donotuse)
L—Localsensor:Theonboardthermistoristhe
controlpointforthetemperaturecontrolalgorithm.
r—Remotespacesensor:Theremotespace
temperatureisthecontrolpointforthetemperature
control algorithm.
NOTE: This selection is only available if Option 02
indicates that the S1, S2 terminals are sensing a
remote space temperature.
Default:r
� WARNING! �
WARNING! User should not recongure installer set up.
Equipment damage could occur.
� NOTICE �
Wall thermostat requires congurating for on board sensing.
Installer must congure 05 to L unless remote sensor
is used.
Option
Number
Conguration Default
02 Remote Sensor Selection rS
03 English/Metric F
05 Space Temperature Sensing r
07 Equipment DDC Controller OF
11 Deadband between Heating and Cooling Set Points 5
13 Space Temperature Display Adjustment (Offset) 0
15 Auto Mode Availability ON
16 Maximum Cycles Per Hour 4
18 Backlight Conguration OF
20 Outdoor Air Temperature Adjustment (Offset) 0
21 Keypad Lockout OF
26 Minimum Cooling Set Point 60
27 Maximum Heating Set Point 85
39 Temperature Display St
40 Fan Speeds Selection 2
6
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
OPTION 07 — EQUIPMENT DDC CONTROLLER —
ThisselectionshouldbesettoONwhencontrolistobe
usedwithClimateMasterheatpumpunits,theDXMor
CXMwilltakecareofthetimeguardandcycletimers.The
minimumontimeisstillcontrolledbythethermostat.Off
settingcoulddelaycompressorstartby12minutes.
Selection:OF(F),ON
OF—Timeguardandcycletimersareenabled
ON—Timeguardandcycletimersaredisabled
Default:OF(off)
OPTION 11 — DEADBAND BETWEEN HEATING
AND COOLING SET POINTS — This selection allows
theinstallertochoosehowmuchdifferentialwillexist
betweentheheatingandcoolingsetpoints.
Selection:1to10(ForC)
Default:5
OPTION 13 — SPACE TEMPERATURE DISPLAY
ADJUSTMENT (OFFSET) —Thiscongurationis
thenumberofdegreestobeaddedtothedisplayed
temperaturetocalibrateordeliberatelymiscalibrate
themeasuredspacetemperature.Thisselectionisnot
availabletotheinstallerifOption39issettoSP(set
pointdisplay).
Selection:–5to5F(alwaysinF)Default:0
OPTION 15 — AUTO MODE AVAILABILITY — The
ONselectionwillallowautomaticchangeoverbetween
heatingandcoolingasdemandrequiresamode
selection.OFmaintainseitherheatingorcoolingmode
selection only.
Selection:ON,OF(F)
ON—Automode
OF—Manualmode
Default:ON
OPTION 16 — MAX CYCLES PER HOUR — The
maximumcyclerateislimitedbyinternaltimerstothe
selectednumberofcyclesperhour.Selectionofahigher
numbercausesfastercyclingresultinginmoreconstant
roomtemperature.
Selection:4,6,8
4—TheY1outputwillbeenergizedatmosttwice
perhour.Whenanoutputisenergized,itwillnotbe
energizedagainfor15minutes.
6—TheY1outputwillbeenergizedatmostfour
timesperhour.Whenanoutputisenergized,itwill
notbeenergizedagainfor10minutes.
8—TheY1outputwillbeenergizedatmostsixtimes
perhour.Whenanoutputisenergized,itwillnotbe
energizedagainfor8minutes.
Default:4
OPTION 18 — BACKLIGHT CONFIGURATION —
WhensettoOF(off),thebacklightwillbelitfor10
secondsafterabuttonispressed.After10secondsofno
buttonpresses,thebacklightturnsoff.
WhenONisenabled,thebacklightwillnormallybe
onanddiminappearance.Thebacklightbrightness
becomesbrighterwhenabuttonispressed.After10
secondsofnobuttonpresses,thebacklightwillreturnto
thedimmerleveluntilanotherbuttonpressoccurs.
Selection:OF(F),ON
Default:ONwith24vacpower;forbatteriesonly,
defaultisOFF.
OPTION 20 — OUTDOOR AIR TEMPERATURE
DISPLAY ADJUSTMENT (OFFSET) — This selection
isnotavailableunlessOption02issettoOd(outdoor
airtemperature)andavalidsensorisconnectedtoS1
andS2terminals.Itallowsthecalibration,ordeliberate
mis-calibrationoftheoutdoorairtemperaturesensor
reading.
Selection:–5to5(numberofdegreesFaddedtothe
outdoorairtemperaturereadingto“calibrate”the
temperaturesensor)
Default:0
OPTION 21 — KEYPAD LOCKOUT WITH PASSCODE
—Thethermostatisshippedwiththekeypadfully
accessible.Thisoptionallowstheinstallertolimitaccess
tothekeypad.
Selection:OF(F),1,cd
OF—WhensettoOF,theuserhasfullaccesstothe
keypad
1—Theuserwillonlyhaveaccesstomodifytheset
points(withinthesetpointlimitsofOption26and
Option27).Thepadlockiconwillbedisplayeduntil
theuserpressesandholdstheupanddownbuttons
simultaneouslyforvesecondstounlockthekeypad.
Oncethekeypadisunlocked,theuserhasfullaccess
tothethermostatfunctionality.Thekeypadreturns
tothelockedconditionafternobuttonshavebeen
pressedfortwominutes.
cd—Theentirekeypadislockedandthepadlock
iconisdisplayed.Whentheuserpressesabutton
thebacklightturnsontomaximumbrightnessfor10
secondsanda“--”isdisplayedinthetemperature
setting.Theusermustentertheunlockcodeand
pressthemodebuttontounlockthethermostat.
Thepadlockiconwillthenturnoffandtheuserwill
Conguration
7
THE SMART SOLUTION FOR ENERGY EFFICIENCY
ATA11U03
Rev.: 07/14/16
havefullaccesstothethermostatfunctionality.The
thermostatwilllockafternobuttonshavebeen
pressedfortwominutes.
Iftheoptionvalueissetto“cd”,themode,upand
downbuttonswillworkasfollows:
1. Pressingthemodebuttononcewilldisplaythe
ashingOptionnumber(21).
2. Pressingthemodebuttonagainandtheoption
valuewillashOF,1orcd.
3. Pressingthemodebuttonathirdtimewilldisplay
thekeypadlockiconandthecodeentryvalues
(seeFig.4).Theupanddownbuttonswillallow
theselectionofacodevaluebetween00to199.
4. Pressingthemodekeyagainwillreturnthefocus
totheOptionnumber(21).
Default:OF(off)
OPTION 26 — MINIMUM COOLING SET POINT
—Thisparameterestablishestheminimumcooling
setpointthattheuserisallowedtoset.Otherwise,
theequipmenttypeallowsbothheatingandcooling
operation,sotheminimumis60FplusOption11
(deadband)andthemaximumis90F.
Selection:minimum=60F+deadband,maximum
=90F
Default:60F(basedontheadjustabledeadband
default=5)
OPTION 27 — MAXIMUM HEATING SET POINT —
Thisparameterestablishesthemaximumheatingset
pointthattheuserisallowedtoset.Theequipment
typeallowsbothheatingandcoolingoperations,sothe
minimumis50FplusOption11(deadband)andthe
maximumis90F.
Selection:minimum=50F,maximum=90F–
deadband
Default:85F(basedonadjustabledeadbanddefault=5)
OPTION 39 — TEMPERATURE DISPLAY — This
congurationallowstheinstallertoselecteitherthe
setpointtemperatureorthespacetemperaturetobe
displayedonthelargetemperaturedisplaydigits.
WhentheoptionStischosen,thespacetemperature,as
denedbyOption05,isdisplayedusingthetraditional
spacetemperaturedigitsontheLCDdisplay.Thecurrent
settemperatureisdisplayedusingthenormalset-point
displaydigits.
WhenSPischosen,thecurrentsetpointtemperatureis
displayedusingthetraditionalspacetemperaturedigits
ontheLCDdisplay.Thenormalsetpointdisplaydigits
remainblank.Spacetemperatureisnotbedisplayed,but
ifaproblemoccurswiththeactualspacetemperature
sensor,thecharacters“--”willbedisplayedinsteadof
thesettemperaturetoindicatethatthetemperature
sensor has an error.
NOTE: The “Actual Temp” icon is not to be
displayed when the sensor type is set to Set Point
display (SP).
Selection:St,SP
Default:St(SpaceTemperature)
OPTION 40 — FAN SPEEDS—Thisconguration
allowstheinstallertoselectthenumberoffanspeeds
thesystemwithoperatewith.Whensetto1,thesingle
speedfanonlywillbeavailable(LO).Whensetto2,both
fanspeedswillbeavailable(LO&HI).
Selection:1,2
Default:2
Checkunitsubmittalforfanspeedsavailable.Set
accordingly.
OPTION 99 — RESET TO FACTORY DEFAULTS — This
congurationallowstheinstallertoreturnthethermostat
toits“outofthebox”settings.Notrecommended
touse.
IMPORTANT:Allcongurationsettings,mode,fanand
setpointsettingswhichhavebeenmanuallyenteredwill
belostandwillrequireresetting.
Whenthissettingisrstselected,99willbedisplayedin
thespacetemperaturelocationandaninitialvalueof10
Conguration
Figure 4: Selection of Code Value
8
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
willbedisplayedintheset-pointlocation.
Toinitiatefactorydefaults,theinstallerthenpressesthe
modebuttonuntilthe10isashing.Theinstallerthen
pressesandholdsthedownbutton.Whilethedown
buttonisheld,the10willcountdownfrom10tozeroat
arateof2countspersecond(5secondstotal).Whenthe
valuereacheszero,alldisplaysegmentsareturnedonfor
vesecondsandthefactorydefaultsarerestored.Ifat
anytimeduringthecountdowntheinstallerreleasesthe
downbutton,thecountdownterminatesandthedisplay
returnstothestartingvalueof10.
Exiting Conguration Mode-Toexittheconguration
mode,pressthefanbutton.
SYSTEM START-UP AND CHECKOUT
Installer Test Mode—Thisthermostathasabuilt-
ininstallertestcapability.Itallowseasyoperationof
equipmentwithoutdelaysorsetpointadjustmentsto
forceheatingorcooling.Toenterinstallertestmode,
pressandholdthefanbuttonfor15seconds(after10
secondsinstallercongurationisentered;acontinuous
15secondsandinstallertestisentered).Atthestartof
installertest,themodeisOff,thefanis“fanauto”and
thesetpointdisplaydisplays“InS.”
NOTE: Unit must be powered up and CXM/DXM
in test mode to disable unit timers or compressor
not energized for more than 5 minutes.
Themodebuttonisusedtochangethesystemoperating
modetotesttheheatingandcoolingequipment.Auto
modeisnotavailableduringinstallertest.
Whenthemodeissettoheat,“H”isdisplayed,heating
isenergizedfor180seconds.Duringtheinstallertest
operation,the“on”iconisdisplayed.
Attheendoftheequipmenttestcyclethemodereturnsto
OFF.
TheLCDdisplaycountsdownthetimeremaining
(inseconds,from180to0)foreachstagewhenthe
equipmentisenergized.SeeFig.5.
Thesameprocedureisrepeatedforthecoolmode.“C”
isdisplayedwhencoolingisactive.
Thetestofaheatingorcoolingcyclecanbeterminated
beforethetimercountsdowntozerobypressingthe
modebutton.
Pressingthefanbuttonalternatesthefanselection
betweenfanautoandfanonandthefanoutputfollows
accordingly. There is no timer associated with the installer
testingofthefanoperation.
Terminating Installer Test—After15minutesofno
buttonpressesbytheinstaller,installertestisterminated.
Pressingtheupbutton,downbutton,orcycling
thermostatpoweratanytimeduringinstallertest
terminatestheinstallertestandreturnsthethermostatto
normaloperation.
Figure 5: Installer Test Mode
Checklist—Thefollowinginstallerchecklistshouldbe
performedaftercompletinginstallation:
1. Runequipmentthroughseveralheatingandcooling
cyclestoensureproperoperation.Tooperatethe
thermostatinitsnormaloperatingmode,consultthe
UserOperatingManual.
2. Iftheequipmentistobeleftinoperation,the
setpointsandoperatingmodemustbeproperly
selected.
3. Putawaytoolsandinstrumentsandcleanupdebris.
4. ReviewandleavethismanualandUserOperating
Manualwithowner.
9
THE SMART SOLUTION FOR ENERGY EFFICIENCY
ATA11U03
Rev.: 07/14/16
OPERATION
Mode Selection—Themodebuttonallowstheuserto
displaytheoff,heat,cool,autoicons.Pressingthemode
buttoncyclesthroughtheavailablemodesbasedonthe
equipmentselectionfromOption15.Availablechoices
arelistedinTable2.
Table 2: Mode Selection
Fan Selection —Thethermostatofferstwocontinuous
(ON)ortwocycling(AUTO)andtwofanspeedshigh(HI)
orlow(LO).Pressingthefanbuttoncyclesthroughthe
followingdisplaysfanonLO,fanonHI,autofanLO,auto
fan HI.
Fan Display—IfOption39issettodisplaysetpoint
(SP),thenthetwo-speedfansettingremainsonthe
display.Ifthecurrentfanspeedisnotshownonthe
display,therstpressofthefanbuttonwilldisplaythe
currentselection.Thefanselectioncanonlybechanged
byafanbuttonpresswhenthecurrentselectionisshown
onthedisplay.SeeFig.6.
IfOption39issettodisplaythespacetemperature(St),
thenthetwo-speedfansetting(LOorHI)remainsonthe
displayforthreesecondsafterthelastpressofthefan
button.
Figure 6: Current Fan Selection Display
Set Temperature Selection—Ifautomodeisnot
activeandoffmodeisnotactive,pressingtheupor
downbuttoncausesthesetpointcorrespondingtothe
currentsystemmodetobeupdated.Iftheupordown
buttonisheld,thesetpointvaluewillbescrolled.The
setpointchangealsotakesintoaccountthatOption11
(deadband)ispreservedalongwithensuringthatOption
26(minimumcoolingsetpoint)andOption27(maximum
heatingsetpoint)aretakenintoaccounttoenforceset
pointlimits.
Ifautomodeisactive,pressingtheupordownbutton
causesthesetpointcorrespondingtothecurrent
operatingmodetobeupdated.Tomovebetweenthe
heatandcoolsetpoints,pressthemodebuttonto
togglebetweensetpoints.Oncethedesiredsetpoint
hasbeenadjusted,pressthemodebuttontoreturnto
automode.
Ifoffmodeisactive,theupanddownbuttonsare
ignoredforchangingsetpoint(s).
Whenchangingthesetpoints,thefollowingrestrictions
areinplace.Thecoolsetpointcannotbeincreased
above90degreesF(32C)ordecreasedbelowOption
26,theminimumcoolingsetpoint.Theheatsetpoint
cannotbedecreasedbelow50F(10C)orincreased
aboveOption27,themaximumheatingsetpoint.
WhenOption39issettoSP(setpoint),thesetpoint
adjustmentisdisplayedinthelargespacetemperature
digits.
Display Lighting—Thedisplayhastwolevelsof
lighting,highlevelandlowlevel.Highlevellighting
comesonfor10secondswhenbuttonsarebeing
pressed.Thelowlevelcanbeselected(seeOption18)
forcontinuousbacklight.
Remote Sensor Temperature Display — Pressing
theupanddownbuttonssimultaneouslydisplaysthe
temperatureofthesensorconnectedtotheS1andS2
terminalsforveseconds,thenthethermostatreturnsto
normaloperation.
Ifthesensorisinvalid,thenthedisplayshows“--”inthe
largetemperaturedisplaydigits.
OPTION 15 AVAILABLE MODES
On Off, Heat Cool, Auto
Off Off, Heat, Cool
10
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
Timers—Thereareseveraltimerswhichinuencethe
thermostat’soperationthatarelistedbelow.Ifanyofthe
timersispreventingtheequipmentfromturningon,the
“on”iconwillash.
Five-Minute Compressor Timeguard — This timer
preventstheY1outputfromturningonunlessithasbeen
offfor5minutes.(Option07settoOF)
Afterapowercycle,arandomizeddelaywillbeadded
toendofthetimeguardtimertopreventmultipleunits
fromhittingthepowergridallatthesametime.The
randomizationtimerwillbebetweenzeroandve
minutes.Ifademandexists,compressoroutputswill
energizebetween5and10minutesafterthepower
cycle.Itcanbedefeatedbysimultaneouslypressingthe
fanandupkeys.
Minimum On Timer —Oncetheequipmenthasbeen
turnedon,itmustremainonfor3minutes.Achangein
modeorsetpointwillcancelthistimer.
Cycle Timer—Thenumberofequipmentcyclesperhour
isdeterminedbycongurationOption16.Basedonthe
selectionof4,6or8cyclesperhour,thistimerissetto
15,10or8minutes.Thismuchtimemustelapsefromthe
startofonecyclebeforeanothercyclecanstart,imposing
thecyclesperhourlimits.Itcanbedefeatedforonecycle
bysimultaneouslypressingthefanandupkeys.
TROUBLESHOOTING
Therearethreesystemerrormessagesthatmayappear
onthethermostatscreenindicatingaproblemwith
thethermostat’soperation.Seetextbelowforpossible
system error messages and their meaning.
Space Temperature Sensor Failure — If the room
temperaturesensorfails,thetemperaturedisplaywill
show“--”(twodashes).Ifthespacetemperatureis
theaverageofboththelocalandremotesensors(as
conguredinOption5),andoneofthesensorsfails,the
thermostatprovidescontroltothevalidsensoronly.The
displaywillalternateevery10secondsbetween“--”for
the invalid sensor and the reading from the valid sensor.
Memory Failure —Ifthereisaninternalmemoryfailure,
thetemperaturedisplaywillshow“E4,”thethermostat
needstobereplaced.
WIRING DIAGRAMS
SystemwiringdiagramisshownfortypicalClimateMaster
heatpumpunit.SeeFig.7.
OisEnergizedforcooling
Gislowspeedfan
G2ishispeedfan
Figure 7: Typical Wiring Diagram - Heat Pump
Rc
Rh
W
C
G
G2
R
W OR W1
C
G
H (DXM ONLY)
O
Y or Y1
NOTE 1
NOTE 2
S2
S1
O
Y1
THERMOSTAT
ATA11U03
HEAT PUMP
CXM/DXM/DXM2
HEAT PUMP
REMOTE
SENSOR
(Optional)
11
THE SMART SOLUTION FOR ENERGY EFFICIENCY
ATA11U03
Rev.: 07/14/16
THERMOSTAT CONFIGURATION RECORD
INSTALLER:
PART NUMBER:
DATE:
HOLE IN WALL SEALED:
MODE SETTINGS:
MODE (Off, Heat, Cool, Auto):
HEATING SET POINT:
COOLING SET POINT:
Manufacturer reserves the right to discontinue, or change at any time, specications or designs without notice and without incurring
obligations.
Thermostat Conguration Record
CONFIGURATION DESCRIPTION
USER OPTIONS SETTING
Option 02 _____ Remote Sensor Selection
Option 03 _____ English/Metric
Option 05 _____ Space Temperature Sensing
Option 07 _____ Equipment DDC Controller
_____ Deadband between Heating and Cooling Set
Option 11 Points
_____ Space Temperature Display Adjustment
Option 13 (Offset)
Option 15 _____ Auto Mode Availability
Option 16 _____ Maximum Cycles Per Hour
Option 18 _____ Backlight Conguration
_____ Outdoor Air Temperature Display Adjustment
Option 20 (Offset)
Option 21 _____ Keypad Lockout
Option 26 _____ Minimum Cooling Set Point
Option 27 _____ Maximum Heating Set Point
Option 39 _____ Temperature Display
Option 40 _____ Fan Speeds Available (1 or 2)
Manufacturer reserves the right to discontinue, or change at any time, specications or designs without notice and without incurring
obligations.
12
WATER-SOURCE HEAT PUMPS
ATA11U03
Rev.: 07/14/16
Revision History
Date: Item: Action:
04/15/16 Text Updated
09/16/13 Warning and Table, page 5 Updated
08/27/13 First Published
We work continually to improve our products. As a result, the design and specications of each product at the time of order may be changed without
notice and may not be as described herein. Please contact our Customer Service Department at 1-405-745-6000 for specic information on the
current design and specications. Statements and other information contained herein are not express warranties and do not form the basis of any
bargain between the parties, but are merely our opinion or commendation of its products.
Rev.: 14 July, 2016M
*97B0082N06*
97B0082N06
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ClimateMaster ATA11U03 Owner's manual
- Category
- Thermostats
- Type
- Owner's manual
ClimateMaster ATA11U03 is a non-programmable heat pump thermostat that offers precise temperature control for your home. With its intuitive interface and a variety of features, it's designed to enhance your comfort and energy efficiency.
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