5

sensor

2. InstallationRemove the Thermostat Face1.RemovethethermostatFrontModulefromthePowerModulebyopeningthedoorandlooseningthescrew.2. PulloutwardnearthebottomontheFrontModuleandliftoff.

Prepare the Wiring1.Findalocationforyourthermostat.Itissuitableforindooruseonly,oninsulatedoruninsulatedwalls.Locateitabout41⁄2feetto5feetabovetheflooronaninsidewall.Makesureitiswellventilatedandnotlocatedinaconfinedspacesuchasasmallclosetorcabinet.Avoidplacingitnearotherheatsourcessuchashot-waterpiping,heatduct,wall-mountlighting,anddirectsunlighttohelppreventadverselyaffectingthethermostat.2. Turnoffthepowertothefloorwarmingsystematthemaincircuitpanelbeforedoinganyelectricalwork.3. Aqualifiedelectricianshouldrunadedicatedcircuitfromthemaincircuitpaneltothethermostatlocation.4. Ifadedicatedcircuitisnotpossible,youmaytapfromanothercircuitintheroom.Makesurethereisenoughloadcapacity(amps)tohandletheadditionofyourfloorwarmingsystem,andthatitisNOTwiredinserieswithanyotherdevice,includingotherGFCIs.

Owner’s ManualYour new SunStat Pro thermostatisdesignedtocontrolthevoltagetoeithera120VACor240VACresistivefloorwarmingsystem.

Pleasefollowthismanualforcompleteinstallationandoperationinstructions.Ifyouhaveanyquestionsorcomments,trycallingTechnicalSupportat1-888-432-8932.

CAUTION:Makesureyouarequalifiedandarefamiliarwithhousewiring.Thisisalinevoltagedevicethatcouldcauseseriousinjuryordamageifimproperlyinstalled.

Connect Wires1.Matchandconnectthetwowiresmarked“LINE1”and“LINE2”tothepowersupplywiresusingthewirenutsprovided.2. Gentlytugonthewirestomakesuretheyaresecure,otherwiseawirecouldloosenandcausefailure.3. Overwrapthewirenutswithelectricaltapetobettersecurethemtothewires.4.Matchandconnectthetwowiresmarked“LOAD1”and“LOAD2”tothefloorwarmingsystemleadwiresandsecurethesewiresthesameway.5. Connectthehousegroundwiretothegreenorbareleadwire(s)ofyourfloorwarmingsystem.6. Inserttheendsofthefloorsensorwireintothe“SENSOR”terminals(1and2)andtightenthescrews.Thereisnopolarity,soitdoesnotmatterwhichwireendgoesintowhichterminal.

CAUTION:Beforecontinuing,makesureyourpowersupplyvoltagematchesthevoltageratingofyourfloorwarmingsystem.Connecting240Vtoa120Vfloorwarm-ingsystemwillcauseoverheatinganddamagetothesystemandmaydamagethecontrol,otherwiring,floorcoverings,etc.

Remote Control1. Ifyouwanttoconnectyourthermostattoaremotecontroldevice,suchasahomeautomationsystem,firstmakesurethattheremotedevicehasa“drycontact”output(anun-energizedswitch,suchasthecontactsonarelay).Manyhomeautomationsystemscomewithsuchanoutputthatopensorclosesatspecifiedtimes.2. Pull2-conductorwire,size18-to24-gage,throughthewallfromtheremotedevice,intothiselectricalbox.3. Connectthewireendsintothe“SETBACK”terminals(5and6)andtightenthescrews(nopolarity).SunStat Relays1. IfyouwanttouseyourthermostattodriveaSunStatRelay(s)(askyourdealeraboutthisconvenientwaytocontrollargersystemswithonethermostat),firstreadandfollowtheinstructionsfortheSunStatRelaythoroughly.2. Pull2-conductorwire,size18-to24-gage,throughthewallfromtheSunStatRelay,intothiselectricalbox.Thiswiremaybeupto100feet(30m)inlengthfromthethermostattothelastSunStatRelayinstalled.3. Connectthewireendsintothe“RELOUT”terminals(3and4)andtightenthescrews(ObservepolarityofthewireswhenconnectingtotheSunStatRelay).Mount the Thermostat1.Carefullyfoldandpressthewiresbackintotheelectricalbox.Donotusethethermostattopushthemin,asthismaycauseconnectionstoloosenandpossiblefailure.2. SecurethethermostatPowerModuleintotheboxwiththemountingscrewsprovided.3. CarefullysnaptheFrontModuleontothePowerModule.4. Tightenthescrew.5. Switchonthepoweratthemaincircuitpanel.NOTE to contractors:After installing the thermostat, be sure to: a. Do a Quick Setup (section 3), b. Temporarily override the setpoint

SunStatProProgrammableThermostat

Model500670

3. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode,savingyourselection.ThethermostatwillnowdisplayaP1,P2,P3,orP4atthebottomright.

3. Quick SetupOn/Off SwitchYourthermostatshouldbeturnedoffwhenitisfirstinstalled.ThedisplaywillshowOFFandthetimeandday.1.Slidetheon/offswitchtotheupperposition,turningthethermostaton.Thedisplaywillshowthetimeandday,temperatures,andotherinformation.2. Toturnthethermostatoffanytime,slidetheon/offswitchtothelowerposition.Noheatingwilloccurandallprogrammingisretained.

Change Format Between °F / 12-hour and °C / 24-hourYourthermostatisfactorysettooperateineither°F/12hourformator°C/24hour(militarytime)format.Ifneeded,youmaychangethisatanytimeasfollows:1.PresstheOPTIONSbuttonandholdfor1second.An°Fand12hwillshowonthedisplay.2. Pressthedownorupbuttontotoggleto°Cand24h.3. PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

Set the Current Time and Day1.PresstheDAY/TIMEbuttonandholdfor1second.Thehourshouldbeblinking.2. Pressthedownorupbuttontoadjustthehour.3. PresstheDAY/TIMEbuttonbriefly.Theminutesshouldbeblinking.4. Pressthedownorupbuttontoadjusttheminutes.5. PresstheDAY/TIMEbuttonbriefly.Thedayshouldbeblinking.6. Pressthedownorupbuttontoadjusttheday.7. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode,savingyoursettings.

MO

SET TEMP

FLOORCYCLE

MA

°F

1-4

Customized Program Schedule (User)Tocustomizetheprogramsheduletomeetyourneeds,followthesesteps:

1.PressthePROGRAMbuttonandholdfor1second.ProandU1, P1, P2, P3, or P4willshowonthedisplay.2.PressthedownorupbuttontoselectU1.3.PressthePROGRAMbuttonbriefly.CYCLE 1andMOthroughFRwillshowonthedisplay.Thehourshouldbeblinking.4.Pressthedownorupbuttontoadjustthehour.5.PressthePROGRAMbuttonbriefly.Theminutesshouldbeblinking.6.Pressthedownorupbuttontoadjusttheminutes.7.PressthePROGRAMbuttonbriefly.Thesetpointtemperatureshouldbeblinking.8.Pressthedownorupbuttontoadjustthesetpointtemperature. Note: A good rule of thumb is to adjust this about 5 to 8°F (3 to 5 °C) lower during cycles when you are away to help reduce energy use. If you set the “away” cycles too low, it will take much longer to raise the temperature again and may result in unsatisfying performance. Note: Some wood and laminate floor manufacturers recommend a maximum of 82 to 84°F (27° to 28°C). Check with manufacturer.9.PressthePROGRAMbuttonbrieflytomovetothenextcyclenumber.10. RepeatSteps3through7toadjusttheremainingcycletimesandsetpointtemperaturesMOthroughFR,andfortheotherdaysoftheweek.11.Whenyoufinish,oratanytimeduringtheseadjustments,presstheHOLD/RETURNbuttonorwait30secondsandthethermostatwillreturntothenormaloperatingmode.Youradjustmentswillbesaved.

Note: The display in normal operating mode will not show a “U1” indicating “User” schedule. Also, all schedule adjustments are saved in memory and will not be lost during power failure.

Note: If you only want to use two cycles during a day, clear the other cycles by reducing their temperature below 40°F (4.5°C) to show (---). To use these cycles again, adjust their time and temperature.

frompowersupply

on/off

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

Use the Factory Programmed “User” ScheduleIfyouwanttobeginusingyourthermostatnowwithoutmakinganychangestothefactorysetprogrammingschedule,youmayskiptosection“5 Operation”.Itwilloperateinthe“User”Schedule(U1),pre-programmedasfollows,andcanbecustomizedlatertoyourneeds(seesection“4 Additional Setups”):

4. Additional SetupsLifestyle Program Schedules (Presets)Thereareconvenientschedulesalreadysetuptomeettypicallifestyles.IfyouseeascheduleP1throughP4youlike,selectoneasfollows:

1.PressthePROGRAMbuttonandholdfor1second.ProandU1, P1, P2, P3, or P4willshowonthedisplay.2. PressthedownorupbuttonbrieflytoselectP1,P2,P3,orP4.Theseschedulesarenotabletobemodified,andareasfollows:

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

tofloorwarmingsystem

1. Preparation1.Unpackyourthermostatandmakesureeverythingisingoodcondition:•Thermostat•Floor sensor•Small screwdriver•Mounting screws•Wire nuts for wiring connectionsIfanypartsaremissingordamaged,contactthestorewhereyoupurchasedthisthermostat.Donotinstalladamagedpart.

2. Gatherthefollowingtoolsandsupplies: •Phillipsscrewdriver,holesaw •Wirestrippers,“fishtape”,otherelectricaltools •Electricalboxforthermostat: a.Ifyouareconnectingtopowerleadsfromonly1or2floorwarming systems,youmayuseasingle-gang,31⁄2inchdeepbox. b.Ifyouareconnectingtopowerleadsfrom3floorwarmingsystems, usea4x4x21⁄8inchordeeperbox(nota2-gangbox)whenyourwallstuds arestillexposed.Installasingle-gang“mud-ring”coverontheboxbefore installingdrywallmaterials. c.Formorethan3floorwarmingsystemsorotherlayouts,youmayneed toinstallajunctionboxtoconnectthepowerleadstogether.Thenuse housewiretoconnectbetweenthejunctionboxandthethermostat electricalbox.Seetheinstallationinstructionsforyourfloorwarming systemformoreinformation.

ALWAYS:WireallcircuitsasClass1,ElectricLightandPowerCircuits. ALWAYS:Wireallcircuitswithinsulationrated600Vminimum. ALWAYS:Mountthiscontrolonlytoagroundedmetallicboxora nonmetallicbox. ALWAYS:Usepowersupplywiressuitableforatleast90°C. CAUTION:Highvoltage–disconnectpowersupplybeforeservicing. CAUTION:TheGFCIinthiscontroldoesnotprotectagainstshockifboth

bareconductorsaretouchedatthesametime.

5. Thecircuitbreakerinthemaincircuitpanelshouldbe15ampsmaximumforafloorwarmingsystemtotaling12ampsorless.Forlargersystemsupto15amps,usea20ampmaximumcircuitbreaker.Neverexceed15ampsonthisthermostat.Youmayconsiderusinganarc-fault(AFCI)typecircuitbreakerforadditionalprotection.6. Pullthepowersupplywiringintothisbox,leavingabout6inchesofwire.7. Pullthefloorsensorwireandthepowerleadwiresfromyourfloorwarmingsystemupthewall,intothisbox.Refertoyourfloorwarmingsysteminstallationinstructionsforplacementofthefloorsensortipintothefloorarea.Note: The sensor wires should not be run in the same conduit as line voltage wires to avoid possible interference. If the sensor lead wires are not long enough, they may be extended an additional 15 feet (4.5 m) using minimum 20-gage 2-conductor wire or up to 50 feet (15 m) using shielded wire. 8.Mounttheelectricalbox.

powermodule

frontmodule

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

Cycle 1 2 3 4Mon-Fri 6:00 am 8:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F Saturday 7:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 FSunday 7:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 F

U1 (User changeable)

82 F 82 F74 F 74 F

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 5:00 am 7:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F Saturday 5:00 am 9:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 FSunday 5:00 am 9:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F

P1 (Early Riser)

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 5:00 am 8:00 am 6:00 pm 11:00 pm

82 F 74 F 82 F 74 F Saturday 6:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 FSunday 6:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 F

P2 (Longer Day)

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 6:00 am 9:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 F Saturday 7:00 am 10:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 FSunday 7:00 am 10:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 F

P4 (Take the chill off)

Note: Air Sensing mode default temperatures are 65F and 60F.

Cycle 1 2 3 4Mon-Fri 6:00 am 8:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 F Saturday 6:00 am 9:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 FSunday 6:00 am 9:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 F

P3 (At home during the day)

Note: Air Sensing mode default temperatures are 70F, 67F, and 62F.

Example

Cycle 1 2 3 4Mon-Fri --:-- 7:30 am 6:00 pm --:--

-- F 72 F 80 F -- F 80 F 80 F

72 F

temperature to make sure it is heating for a few minutes (section 5), c. Test the GFCI (section 5).

5

sensor

2. InstallationRemove the Thermostat Face1.RemovethethermostatFrontModulefromthePowerModulebyopeningthedoorandlooseningthescrew.2. PulloutwardnearthebottomontheFrontModuleandliftoff.

Prepare the Wiring1.Findalocationforyourthermostat.Itissuitableforindooruseonly,oninsulatedoruninsulatedwalls.Locateitabout41⁄2feetto5feetabovetheflooronaninsidewall.Makesureitiswellventilatedandnotlocatedinaconfinedspacesuchasasmallclosetorcabinet.Avoidplacingitnearotherheatsourcessuchashot-waterpiping,heatduct,wall-mountlighting,anddirectsunlighttohelppreventadverselyaffectingthethermostat.2. Turnoffthepowertothefloorwarmingsystematthemaincircuitpanelbeforedoinganyelectricalwork.3. Aqualifiedelectricianshouldrunadedicatedcircuitfromthemaincircuitpaneltothethermostatlocation.4. Ifadedicatedcircuitisnotpossible,youmaytapfromanothercircuitintheroom.Makesurethereisenoughloadcapacity(amps)tohandletheadditionofyourfloorwarmingsystem,andthatitisNOTwiredinserieswithanyotherdevice,includingotherGFCIs.

Owner’s ManualYour new SunStat Pro thermostatisdesignedtocontrolthevoltagetoeithera120VACor240VACresistivefloorwarmingsystem.

Pleasefollowthismanualforcompleteinstallationandoperationinstructions.Ifyouhaveanyquestionsorcomments,trycallingTechnicalSupportat1-888-432-8932.

CAUTION:Makesureyouarequalifiedandarefamiliarwithhousewiring.Thisisalinevoltagedevicethatcouldcauseseriousinjuryordamageifimproperlyinstalled.

Connect Wires1.Matchandconnectthetwowiresmarked“LINE1”and“LINE2”tothepowersupplywiresusingthewirenutsprovided.2. Gentlytugonthewirestomakesuretheyaresecure,otherwiseawirecouldloosenandcausefailure.3. Overwrapthewirenutswithelectricaltapetobettersecurethemtothewires.4.Matchandconnectthetwowiresmarked“LOAD1”and“LOAD2”tothefloorwarmingsystemleadwiresandsecurethesewiresthesameway.5. Connectthehousegroundwiretothegreenorbareleadwire(s)ofyourfloorwarmingsystem.6. Inserttheendsofthefloorsensorwireintothe“SENSOR”terminals(1and2)andtightenthescrews.Thereisnopolarity,soitdoesnotmatterwhichwireendgoesintowhichterminal.

CAUTION:Beforecontinuing,makesureyourpowersupplyvoltagematchesthevoltageratingofyourfloorwarmingsystem.Connecting240Vtoa120Vfloorwarm-ingsystemwillcauseoverheatinganddamagetothesystemandmaydamagethecontrol,otherwiring,floorcoverings,etc.

Remote Control1. Ifyouwanttoconnectyourthermostattoaremotecontroldevice,suchasahomeautomationsystem,firstmakesurethattheremotedevicehasa“drycontact”output(anun-energizedswitch,suchasthecontactsonarelay).Manyhomeautomationsystemscomewithsuchanoutputthatopensorclosesatspecifiedtimes.2. Pull2-conductorwire,size18-to24-gage,throughthewallfromtheremotedevice,intothiselectricalbox.3. Connectthewireendsintothe“SETBACK”terminals(5and6)andtightenthescrews(nopolarity).SunStat Relays1. IfyouwanttouseyourthermostattodriveaSunStatRelay(s)(askyourdealeraboutthisconvenientwaytocontrollargersystemswithonethermostat),firstreadandfollowtheinstructionsfortheSunStatRelaythoroughly.2. Pull2-conductorwire,size18-to24-gage,throughthewallfromtheSunStatRelay,intothiselectricalbox.Thiswiremaybeupto100feet(30m)inlengthfromthethermostattothelastSunStatRelayinstalled.3. Connectthewireendsintothe“RELOUT”terminals(3and4)andtightenthescrews(ObservepolarityofthewireswhenconnectingtotheSunStatRelay).Mount the Thermostat1.Carefullyfoldandpressthewiresbackintotheelectricalbox.Donotusethethermostattopushthemin,asthismaycauseconnectionstoloosenandpossiblefailure.2. SecurethethermostatPowerModuleintotheboxwiththemountingscrewsprovided.3. CarefullysnaptheFrontModuleontothePowerModule.4. Tightenthescrew.5. Switchonthepoweratthemaincircuitpanel.NOTE to contractors:After installing the thermostat, be sure to: a. Do a Quick Setup (section 3), b. Temporarily override the setpoint

SunStatProProgrammableThermostat

Model500670

3. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode,savingyourselection.ThethermostatwillnowdisplayaP1,P2,P3,orP4atthebottomright.

3. Quick SetupOn/Off SwitchYourthermostatshouldbeturnedoffwhenitisfirstinstalled.ThedisplaywillshowOFFandthetimeandday.1.Slidetheon/offswitchtotheupperposition,turningthethermostaton.Thedisplaywillshowthetimeandday,temperatures,andotherinformation.2. Toturnthethermostatoffanytime,slidetheon/offswitchtothelowerposition.Noheatingwilloccurandallprogrammingisretained.

Change Format Between °F / 12-hour and °C / 24-hourYourthermostatisfactorysettooperateineither°F/12hourformator°C/24hour(militarytime)format.Ifneeded,youmaychangethisatanytimeasfollows:1.PresstheOPTIONSbuttonandholdfor1second.An°Fand12hwillshowonthedisplay.2. Pressthedownorupbuttontotoggleto°Cand24h.3. PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

Set the Current Time and Day1.PresstheDAY/TIMEbuttonandholdfor1second.Thehourshouldbeblinking.2. Pressthedownorupbuttontoadjustthehour.3. PresstheDAY/TIMEbuttonbriefly.Theminutesshouldbeblinking.4. Pressthedownorupbuttontoadjusttheminutes.5. PresstheDAY/TIMEbuttonbriefly.Thedayshouldbeblinking.6. Pressthedownorupbuttontoadjusttheday.7. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode,savingyoursettings.

MO

SET TEMP

FLOORCYCLE

MA

°F

1-4

Customized Program Schedule (User)Tocustomizetheprogramsheduletomeetyourneeds,followthesesteps:

1.PressthePROGRAMbuttonandholdfor1second.ProandU1, P1, P2, P3, or P4willshowonthedisplay.2.PressthedownorupbuttontoselectU1.3.PressthePROGRAMbuttonbriefly.CYCLE 1andMOthroughFRwillshowonthedisplay.Thehourshouldbeblinking.4.Pressthedownorupbuttontoadjustthehour.5.PressthePROGRAMbuttonbriefly.Theminutesshouldbeblinking.6.Pressthedownorupbuttontoadjusttheminutes.7.PressthePROGRAMbuttonbriefly.Thesetpointtemperatureshouldbeblinking.8.Pressthedownorupbuttontoadjustthesetpointtemperature. Note: A good rule of thumb is to adjust this about 5 to 8°F (3 to 5 °C) lower during cycles when you are away to help reduce energy use. If you set the “away” cycles too low, it will take much longer to raise the temperature again and may result in unsatisfying performance. Note: Some wood and laminate floor manufacturers recommend a maximum of 82 to 84°F (27° to 28°C). Check with manufacturer.9.PressthePROGRAMbuttonbrieflytomovetothenextcyclenumber.10. RepeatSteps3through7toadjusttheremainingcycletimesandsetpointtemperaturesMOthroughFR,andfortheotherdaysoftheweek.11.Whenyoufinish,oratanytimeduringtheseadjustments,presstheHOLD/RETURNbuttonorwait30secondsandthethermostatwillreturntothenormaloperatingmode.Youradjustmentswillbesaved.

Note: The display in normal operating mode will not show a “U1” indicating “User” schedule. Also, all schedule adjustments are saved in memory and will not be lost during power failure.

Note: If you only want to use two cycles during a day, clear the other cycles by reducing their temperature below 40°F (4.5°C) to show (---). To use these cycles again, adjust their time and temperature.

frompowersupply

on/off

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

Use the Factory Programmed “User” ScheduleIfyouwanttobeginusingyourthermostatnowwithoutmakinganychangestothefactorysetprogrammingschedule,youmayskiptosection“5 Operation”.Itwilloperateinthe“User”Schedule(U1),pre-programmedasfollows,andcanbecustomizedlatertoyourneeds(seesection“4 Additional Setups”):

4. Additional SetupsLifestyle Program Schedules (Presets)Thereareconvenientschedulesalreadysetuptomeettypicallifestyles.IfyouseeascheduleP1throughP4youlike,selectoneasfollows:

1.PressthePROGRAMbuttonandholdfor1second.ProandU1, P1, P2, P3, or P4willshowonthedisplay.2. PressthedownorupbuttonbrieflytoselectP1,P2,P3,orP4.Theseschedulesarenotabletobemodified,andareasfollows:

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

MO

MA

SET TEMP

LIMITFLOOR

°F

MO

°C

AIR

SET TEMP

SET BACK

LIMITFLOOR

USAGE

CYCLE

MAMP

MAMP

°C

°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

MO

MA

HEATING

MO

SET TEMP

CYCLE

MA

°F

HOLD

USAGE

MO

CYCLE

MA

°F

TU WE TH FR MO

CYCLE

MA

°F

SET BACK

FLOOR

FLOOR

MO

CYCLE

MA

°F

FLOOR

tofloorwarmingsystem

1. Preparation1.Unpackyourthermostatandmakesureeverythingisingoodcondition:•Thermostat•Floor sensor•Small screwdriver•Mounting screws•Wire nuts for wiring connectionsIfanypartsaremissingordamaged,contactthestorewhereyoupurchasedthisthermostat.Donotinstalladamagedpart.

2. Gatherthefollowingtoolsandsupplies: •Phillipsscrewdriver,holesaw •Wirestrippers,“fishtape”,otherelectricaltools •Electricalboxforthermostat: a.Ifyouareconnectingtopowerleadsfromonly1or2floorwarming systems,youmayuseasingle-gang,31⁄2inchdeepbox. b.Ifyouareconnectingtopowerleadsfrom3floorwarmingsystems, usea4x4x21⁄8inchordeeperbox(nota2-gangbox)whenyourwallstuds arestillexposed.Installasingle-gang“mud-ring”coverontheboxbefore installingdrywallmaterials. c.Formorethan3floorwarmingsystemsorotherlayouts,youmayneed toinstallajunctionboxtoconnectthepowerleadstogether.Thenuse housewiretoconnectbetweenthejunctionboxandthethermostat electricalbox.Seetheinstallationinstructionsforyourfloorwarming systemformoreinformation.

ALWAYS:WireallcircuitsasClass1,ElectricLightandPowerCircuits. ALWAYS:Wireallcircuitswithinsulationrated600Vminimum. ALWAYS:Mountthiscontrolonlytoagroundedmetallicboxora nonmetallicbox. ALWAYS:Usepowersupplywiressuitableforatleast90°C. CAUTION:Highvoltage–disconnectpowersupplybeforeservicing. CAUTION:TheGFCIinthiscontroldoesnotprotectagainstshockifboth

bareconductorsaretouchedatthesametime.

5. Thecircuitbreakerinthemaincircuitpanelshouldbe15ampsmaximumforafloorwarmingsystemtotaling12ampsorless.Forlargersystemsupto15amps,usea20ampmaximumcircuitbreaker.Neverexceed15ampsonthisthermostat.Youmayconsiderusinganarc-fault(AFCI)typecircuitbreakerforadditionalprotection.6. Pullthepowersupplywiringintothisbox,leavingabout6inchesofwire.7. Pullthefloorsensorwireandthepowerleadwiresfromyourfloorwarmingsystemupthewall,intothisbox.Refertoyourfloorwarmingsysteminstallationinstructionsforplacementofthefloorsensortipintothefloorarea.Note: The sensor wires should not be run in the same conduit as line voltage wires to avoid possible interference. If the sensor lead wires are not long enough, they may be extended an additional 15 feet (4.5 m) using minimum 20-gage 2-conductor wire or up to 50 feet (15 m) using shielded wire. 8.Mounttheelectricalbox.

powermodule

frontmodule

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Cycle 1 2 3 4Mon-Fri 6:00 am 8:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F Saturday 7:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 FSunday 7:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 F

U1 (User changeable)

82 F 82 F74 F 74 F

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 5:00 am 7:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F Saturday 5:00 am 9:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 FSunday 5:00 am 9:00 am 5:00 pm 10:00 pm

82 F 74 F 82 F 74 F

P1 (Early Riser)

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 5:00 am 8:00 am 6:00 pm 11:00 pm

82 F 74 F 82 F 74 F Saturday 6:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 FSunday 6:00 am 9:00 am 5:00 pm 11:00 pm

82 F 74 F 82 F 74 F

P2 (Longer Day)

Note: Air Sensing mode default temperatures are 70F and 62F.

Cycle 1 2 3 4Mon-Fri 6:00 am 9:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 F Saturday 7:00 am 10:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 FSunday 7:00 am 10:00 am 6:00 pm 10:00 pm

75 F 70 F 75 F 70 F

P4 (Take the chill off)

Note: Air Sensing mode default temperatures are 65F and 60F.

Cycle 1 2 3 4Mon-Fri 6:00 am 8:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 F Saturday 6:00 am 9:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 FSunday 6:00 am 9:00 am 6:00 pm 10:00 pm

82 F 79 F 82 F 75 F

P3 (At home during the day)

Note: Air Sensing mode default temperatures are 70F, 67F, and 62F.

Example

Cycle 1 2 3 4Mon-Fri --:-- 7:30 am 6:00 pm --:--

-- F 72 F 80 F -- F 80 F 80 F

72 F

temperature to make sure it is heating for a few minutes (section 5), c. Test the GFCI (section 5).

Lockout FeatureYourthermostathastheabilitytolockoutadjustmentbyotherusers.Thismaybeusefulinpubliclocations.Onlytheon/offswitchandtheGFCItestbuttonwillthenoperate.

1.Pressthedownandupbuttonatthesametimeandholdfor1second.LOCKwillshowonthedisplay.2. Tocancelthislockout,thedownandupbuttonmustbepressedandheldfor1second.Thethermostatwillreturntothenormaloperatingmode.

Test the GFCIThereisaGFCI(GroundFaultCircuitInterrupter)insidethethermostat.Itisdesignedtohelpprotectpeoplefrompossibleelectricalshockifthefloorwarmingsystemhasbeendamaged.

TomakesuretheGFCIisoperating,testitafteritisinstalledandonceeachmonth:

1.MakesurethethermostatisHEATING.Youmayneedtoincreasethesetpointtemporarily.2. PresstheGFCITestbuttononthesideofthethermostat.GFCI TRIPshouldshowonthedisplayandaredlightwillshownexttotheGFCITestbutton.Youshouldalsohearaclick,indicatingpowerhasbeenremovedfromthefloorwarmingsystem.Ifanyoftheseindicatorsfail,turnoffthethermostatandreplaceit.Donotcontinuetouse.3. ToresettheGFCI,slidetheOn/Offswitchoffandbackon.IftheGFCIdoesnotreset,turnthethermostatoffandgotosection6 “Troubleshooting” forhelp.

Limited WarrantyWattsRadiant,Inc.warrantsthisthermostatcontrolandsensor(theproduct)tobefreefromdefectsinmaterialandworkmanshipforaperiodoftwo(2)yearsfromthedateoforiginalpurchasefromauthorizeddealers.Duringthisperiod,WattsRadiant,Inc.willreplacetheproductorrefundtheoriginalcostoftheproductatWattsRadiant’soption,withoutcharge,iftheproductisprovendefectiveinnormaluse.Pleasereturnthethermostattoyourdistributortobeginthewarrantyprocess.Thislimitedwarrantydoesnotcovershippingcosts.Nordoesitcoveraproductsubjectedtomisuseoraccidentaldamage.Thiswarrantydoesnotcoverthecostofinstallation,diagnosis,removalorreinstallation,oranymaterialcostsorlossofuse.Thislimitedwarrantyisinlieuofallotherwarranties,obligations,orliabilitiesexpressedorimpliedbythecompany.InnoeventshallWattsRadiant,Inc.beliableforconsequentialorincidentaldamagesresultingfrominstallationofthisproduct.Somestatesorprovincesdonotallowlimitationsonhowlonganimpliedwarrantylasts,ortheexclusionorlimitationofincidentalorconsequentialdamages,sotheaboveexclusionsorlimitationsmaynotapplytoyou.Thiswarrantygivesyouspecificlegalrightsandyoumayalsohaveotherrightsthatvaryfromstatetostate.

5. OperationControlling the TemperatureYourthermostathasseveralwaystocontrolyourfloorwarmingsystem.Itisfactorysettooperateintheprogramscheduleselectedbutthiscanbeoverriddentomeetyourneeds.

Program ScheduleThethermostatwilloperatenormallyintheprogramscheduleselected.

Whenheatiscalledfor,HEATINGwillshowonthedisplayandfullpowerissuppliedtothefloorwarmingsystem.ThisalsosignalstoturnonanySunStatRelaysthatmaybeconnectedtoyourthermostat.

7. Specifications PowerSupply 120/240VAC,50/60Hz MaximumLoad 15amps,resistive MaximumPower 1800wattsat120VAC 3600wattsat240VAC GFCI ClassA(5milliamptrip) DisplayRange 32°Fto140°F(0°Cto60°C) SettingRange 40°Fto99°F(4°Cto37°C) Accuracy ±0.9°F(0.5°C) StorageTemp 0°Fto120°F(0°Cto49°C) Sensor Thermistor,10kNTC,double-insulated Memory Programmingretainedindefinitely Currenttimeanddaywillneedre-set ifpowerislostmorethan30minutes. ETLListing ControlNo.3037530 ConformstoUL873,UL943,CSAC22.2No.

24,andCAN/CSAC22.2No.144

6. TroubleshootingProblem Solution

Thermostatworksbutnoheatfromthesystem.

1.Checkwiringconnections.2.IfGFCIistripped,resetthermostatwithon/offswitch.3.Checkresistancesonfloorwarmingsystem.Seemanualforsystem.

Nodisplay.1.Checkwiringconnections.2.Checkcircuitbreakerorotherprotection“upstream”ofthermostat.

GFCIistripped.1.Checkwiringconnections.2.Resetthermostatbyswitchingoff/on.3.Checkresistancesonfloorwarmingsystem.Seemanualforsystem.

Heatingoccursatwrongtimes.

1.CheckthatthecurrenttimeandscheduletimesareproperlysettoAMorPM.2.OnuninsulatedconcreteSmartStartmaystartheatingveryearly.Youmayturnthisfeatureoffifnotdesired.

Er1(onlyatstartup) Floorsensornotcorrecttypeoroutofrange.Checkfloorsensorresistance.

Er2 Floorsensorshort-circuited.Turnoffpoweratbreakerandreplacesensor.OrResetFactoryDefaults(section4).

Er3Floorsensornotattachedandthermostatinfloorsensemode.Turnoffpoweratbreakerandattachsensor.OrResetFactoryDefaults(section4).

Er4orEr5 Internalairsensorisfaulty.Replacethermostatoroperateinfloorsensemode.

Er6Internaltemperatureoverlimit.Makesuresunlightisnotdirectedatthethermostatorotherheatsourceinproximity.Otherwise,Turnoffpoweratbreakerandcontactfactory.

Er7“End-of-life”indication.GFCIwillnolongerfunctioncorrectlyorsafely.Resetthecircuitbreakerorreplacethermostat.

Temporarily Overriding the Temperature

Youcantemporarilyadjustthetemperaturesetpointasfollows.Thiswillholduntilthenextscheduledprogramtime:

1.Pressthedownoruparrowbuttonandholdfor1secondtoadjustthesetpointtemperature.2.Wait5secondsandthethermostatwillreturntothenormaloperatingmode,savingyouradjustment.3. Tocancelthistemporaryoverrideandreturntothenormalscheduletemperature,presstheHOLD/RETURNbuttonbriefly.

Hold a Selected Temperature

Youcanholdthecurrentsetpointtemperatureindefinitely,especiallyusefulwhenyouareonvacation.

1.PresstheHOLD/RETURNbuttonandholdfor1second.HOLDwillshowonthedisplayandthesetpointtemperatureshownwillbemaintaineduntilyoucancelthishold.2. Tocancelthishold,presstheHOLD/RETURNbuttonandholdfor1second.HOLDwilldisappearfromthedisplay.3. PressHold/Returnbrieflyandthethermostatwillreturntothenormalscheduletemperature.

Setback

YoucanusetheSetbackbuttontooverridethecurrentsetpointtemperature.Thisisespeciallyusefulifyouhaveanalternatetemperatureyourepeatedlyselectwhenyouareaway.

1.PresstheSETBACKbuttonbriefly.SETBACKwillshowonthedisplayanditstemperature.Thissetpointwillholduntilthenextscheduledprogramtime.2. ToholdthisSetbacktemperatureindefinitely,presstheHOLD/RETURNbuttonandholdfor1second.Tocancelthishold,presstheHOLD/RETURNbuttonagainandholdfor1second.3. TocancelthisSetbacktemperatureandreturntothenormalscheduletemperature,presstheSETBACKbuttonbriefly.

To change the temperature stored in the SETBACK button:

1.PresstheSETBACKbuttonandholdfor1second.SETBACKwillshowonthedisplayanditstemperatureshouldbeblinking.2. Pressthedownorupbuttontoadjustthetemperature.3. PresstheHOLD/RETURNbuttonorwait5secondsandthethermostatwillreturntothenormaloperatingmode,savingyouradjustment.

Remote Control Override

IfyourthermostatwasinstalledwithRemoteControlinputfromahomeautomationsystem(seesection2 “Installation”),thiswilloverridethethermostatwhentheremotecontrolsystemclosesitsoutputswitchorrelay.SETBACKandHOLDwillshowonthedisplayanditwilloperateintheSetbacktemperatureindefinitely.Tocancelthis,theRemoteControlswitchorrelaymustbeopened.

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UsageYourthermostatstoresinmemorythenumberofhoursitisheating.Thisinformationmaybeusefulincalculatingtheenergyusedbyyourfloorwarmingsystem.

1.PresstheOPTIONSbuttonandholdfor1second.2. PresstheOPTIONSbuttonagainuntilUSAGEand1 dshowsonthedisplay.3. Thetimeshownonthedisplayisthenumberofhoursitwasheatingtoday.4. Pressthedownorupbuttontotogglebetweentheprevious1-day,7-day,and30-dayusages.5. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode.

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Air Sensing and Regulator ModesYourthermostatisfactorysettooperatebasedonthefloorsensortemperature.Thisistherecommendedmethodtoproperlycontrolyourfloorwarmingsystem.

However,itisalsopossibletoalsooperateyourthermostatineithertheairsensingmodeorregulatormodetemporarilyifthefloorsensorwasdamagedornotinstalled.AnewfloorsensorshouldbeinstalledtoenableoperationinFloorSenseModeassoonaspossible.Thesemodesmustbeusedwithcautiontoavoidoverheatingthefloor.•AirSensingMode–Thismodeoperatesbyanairsensorinsidethethermostat.Ifyourfloorsensorisconnected,youmustsetaFloorLimittemperaturetoavoidoverheatingthefloorcoverings(seeFloor Limitbelow).Note:the internal heating in the thermostat may affect the sensor temperature.•RegulatorMode–Inthismodetheuserselectstheamountoftimethefloorwarmingsystemheatsduringa15-minuterepeatingcycle.Thereisnotemperaturesensinginthismode.(seesection5 “Operation”)

Ifyouwantittooperateintheairsensingmodeorregulatormode,youmaychangethisasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSENSshowsonthedisplay.3.PressthedownorupbuttontotogglethistoAirorrEGu.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

Floor LimitIfyousetyourthermostattooperateinAirSenseMode,thedisplaywillshowtheairtemperaturebutwillalsomonitorthefloorsensorifitisconnected.

Toavoidpossiblyoverheatingyourfloor,youmustsetaFloorLimittemperaturesoitturnsoffthesystemifthefloorsensortemperatureexceedsthisFloorLimit.Somewoodandlaminatefloormanufacturersrecommendamaximumof82to84°F(27°to28°C).Checkwithmanufacturer.Itisfactorysetto99F(37C)andcanbeadjustedasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSET TEMPandFLOOR LIMITshowsonthedisplaywiththecurrentFloorLimittemperature.3.Pressthedownorupbuttontoadjustthis.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

CalibrationYourthermostatallowstheabilitytoslightlyadjustthedisplaytemperature.Normallythisisnotrecommendednorrequired.However,inspecialcircumstancesthismaybenecessary,andcanbedoneasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilCALshowsonthedisplaywiththecurrentsensortemperatureandthecurrentoffsetvalue.Theoffsetvalueisfactorysettozero.3.Pressthedownorupbuttontoadjustthis.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

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Resetting Factory DefaultsYourthermostathastheabilitytoresetallprogramming,settings,andusagetimestothefactorydefaults.Ifyouarecertainyouwanttodothis:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilthesoftwareversionSoft 1.4orsimilarshowsonthedisplay.3.Pressthedownandupbuttonsatthesametimeandholdfor1second.Doneandrstwillshowonthedisplay.Thethermostatwillgothroughastartupmodeandreturntothenormaloperatingmode.

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SmartStartYourthermostatisfactorysetwiththe“SmartStart”featureturnedon.Thethermostatautomaticallydeterminesthebesttimetobeginheatingsoitreachesyoursetpointtemperatureatthescheduledtime.

Ifthisfeatureisnotdesired,youmayturnitoff:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSStshowsonthedisplay.3.PressthedownorupbuttontotogglethisOnorOff.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

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Regulator Mode

Ifyousetyourthermostattooperateintheregulatormode,itwilloperatelikeatimer.Youmayadjusttheamountoftimethefloorwarmingsystemheatsduringa15-minuterepeatingcycleasfollows:

1.Withthethermostatintheregulatormode,itwillshowtheheatingtimeandthecurrentcycletime.2. Pressthedownorupbuttontoadjusttheheatingtimefrom0through15.•Example:Avalueof6willcauseittoheatfor6minutesof the15minutecycle,andthennotheatfor9minutesofthe15 minutecycle.•Zerowillcauseittoneverheat.•15willcauseittoheatcontinuously.3. Thecycletimeshownatthebottomofthedisplayisthecurrenttimeinthe15-minutecycle.Itrepeatsfrom0:00through14:59(min:sec).

PPLIMP08001 IND © 2007-2010

WR_SunStat_Manual_Programmable EN 20100209 Effective: 02/09/2010

Lockout FeatureYourthermostathastheabilitytolockoutadjustmentbyotherusers.Thismaybeusefulinpubliclocations.Onlytheon/offswitchandtheGFCItestbuttonwillthenoperate.

1.Pressthedownandupbuttonatthesametimeandholdfor1second.LOCKwillshowonthedisplay.2. Tocancelthislockout,thedownandupbuttonmustbepressedandheldfor1second.Thethermostatwillreturntothenormaloperatingmode.

Test the GFCIThereisaGFCI(GroundFaultCircuitInterrupter)insidethethermostat.Itisdesignedtohelpprotectpeoplefrompossibleelectricalshockifthefloorwarmingsystemhasbeendamaged.

TomakesuretheGFCIisoperating,testitafteritisinstalledandonceeachmonth:

1.MakesurethethermostatisHEATING.Youmayneedtoincreasethesetpointtemporarily.2. PresstheGFCITestbuttononthesideofthethermostat.GFCI TRIPshouldshowonthedisplayandaredlightwillshownexttotheGFCITestbutton.Youshouldalsohearaclick,indicatingpowerhasbeenremovedfromthefloorwarmingsystem.Ifanyoftheseindicatorsfail,turnoffthethermostatandreplaceit.Donotcontinuetouse.3. ToresettheGFCI,slidetheOn/Offswitchoffandbackon.IftheGFCIdoesnotreset,turnthethermostatoffandgotosection6 “Troubleshooting” forhelp.

Limited WarrantyWattsRadiant,Inc.warrantsthisthermostatcontrolandsensor(theproduct)tobefreefromdefectsinmaterialandworkmanshipforaperiodoftwo(2)yearsfromthedateoforiginalpurchasefromauthorizeddealers.Duringthisperiod,WattsRadiant,Inc.willreplacetheproductorrefundtheoriginalcostoftheproductatWattsRadiant’soption,withoutcharge,iftheproductisprovendefectiveinnormaluse.Pleasereturnthethermostattoyourdistributortobeginthewarrantyprocess.Thislimitedwarrantydoesnotcovershippingcosts.Nordoesitcoveraproductsubjectedtomisuseoraccidentaldamage.Thiswarrantydoesnotcoverthecostofinstallation,diagnosis,removalorreinstallation,oranymaterialcostsorlossofuse.Thislimitedwarrantyisinlieuofallotherwarranties,obligations,orliabilitiesexpressedorimpliedbythecompany.InnoeventshallWattsRadiant,Inc.beliableforconsequentialorincidentaldamagesresultingfrominstallationofthisproduct.Somestatesorprovincesdonotallowlimitationsonhowlonganimpliedwarrantylasts,ortheexclusionorlimitationofincidentalorconsequentialdamages,sotheaboveexclusionsorlimitationsmaynotapplytoyou.Thiswarrantygivesyouspecificlegalrightsandyoumayalsohaveotherrightsthatvaryfromstatetostate.

5. OperationControlling the TemperatureYourthermostathasseveralwaystocontrolyourfloorwarmingsystem.Itisfactorysettooperateintheprogramscheduleselectedbutthiscanbeoverriddentomeetyourneeds.

Program ScheduleThethermostatwilloperatenormallyintheprogramscheduleselected.

Whenheatiscalledfor,HEATINGwillshowonthedisplayandfullpowerissuppliedtothefloorwarmingsystem.ThisalsosignalstoturnonanySunStatRelaysthatmaybeconnectedtoyourthermostat.

7. Specifications PowerSupply 120/240VAC,50/60Hz MaximumLoad 15amps,resistive MaximumPower 1800wattsat120VAC 3600wattsat240VAC GFCI ClassA(5milliamptrip) DisplayRange 32°Fto140°F(0°Cto60°C) SettingRange 40°Fto99°F(4°Cto37°C) Accuracy ±0.9°F(0.5°C) StorageTemp 0°Fto120°F(0°Cto49°C) Sensor Thermistor,10kNTC,double-insulated Memory Programmingretainedindefinitely Currenttimeanddaywillneedre-set ifpowerislostmorethan30minutes. ETLListing ControlNo.3037530 ConformstoUL873,UL943,CSAC22.2No.

24,andCAN/CSAC22.2No.144

6. TroubleshootingProblem Solution

Thermostatworksbutnoheatfromthesystem.

1.Checkwiringconnections.2.IfGFCIistripped,resetthermostatwithon/offswitch.3.Checkresistancesonfloorwarmingsystem.Seemanualforsystem.

Nodisplay.1.Checkwiringconnections.2.Checkcircuitbreakerorotherprotection“upstream”ofthermostat.

GFCIistripped.1.Checkwiringconnections.2.Resetthermostatbyswitchingoff/on.3.Checkresistancesonfloorwarmingsystem.Seemanualforsystem.

Heatingoccursatwrongtimes.

1.CheckthatthecurrenttimeandscheduletimesareproperlysettoAMorPM.2.OnuninsulatedconcreteSmartStartmaystartheatingveryearly.Youmayturnthisfeatureoffifnotdesired.

Er1(onlyatstartup) Floorsensornotcorrecttypeoroutofrange.Checkfloorsensorresistance.

Er2 Floorsensorshort-circuited.Turnoffpoweratbreakerandreplacesensor.OrResetFactoryDefaults(section4).

Er3Floorsensornotattachedandthermostatinfloorsensemode.Turnoffpoweratbreakerandattachsensor.OrResetFactoryDefaults(section4).

Er4orEr5 Internalairsensorisfaulty.Replacethermostatoroperateinfloorsensemode.

Er6Internaltemperatureoverlimit.Makesuresunlightisnotdirectedatthethermostatorotherheatsourceinproximity.Otherwise,Turnoffpoweratbreakerandcontactfactory.

Er7“End-of-life”indication.GFCIwillnolongerfunctioncorrectlyorsafely.Resetthecircuitbreakerorreplacethermostat.

Temporarily Overriding the Temperature

Youcantemporarilyadjustthetemperaturesetpointasfollows.Thiswillholduntilthenextscheduledprogramtime:

1.Pressthedownoruparrowbuttonandholdfor1secondtoadjustthesetpointtemperature.2.Wait5secondsandthethermostatwillreturntothenormaloperatingmode,savingyouradjustment.3. Tocancelthistemporaryoverrideandreturntothenormalscheduletemperature,presstheHOLD/RETURNbuttonbriefly.

Hold a Selected Temperature

Youcanholdthecurrentsetpointtemperatureindefinitely,especiallyusefulwhenyouareonvacation.

1.PresstheHOLD/RETURNbuttonandholdfor1second.HOLDwillshowonthedisplayandthesetpointtemperatureshownwillbemaintaineduntilyoucancelthishold.2. Tocancelthishold,presstheHOLD/RETURNbuttonandholdfor1second.HOLDwilldisappearfromthedisplay.3. PressHold/Returnbrieflyandthethermostatwillreturntothenormalscheduletemperature.

Setback

YoucanusetheSetbackbuttontooverridethecurrentsetpointtemperature.Thisisespeciallyusefulifyouhaveanalternatetemperatureyourepeatedlyselectwhenyouareaway.

1.PresstheSETBACKbuttonbriefly.SETBACKwillshowonthedisplayanditstemperature.Thissetpointwillholduntilthenextscheduledprogramtime.2. ToholdthisSetbacktemperatureindefinitely,presstheHOLD/RETURNbuttonandholdfor1second.Tocancelthishold,presstheHOLD/RETURNbuttonagainandholdfor1second.3. TocancelthisSetbacktemperatureandreturntothenormalscheduletemperature,presstheSETBACKbuttonbriefly.

To change the temperature stored in the SETBACK button:

1.PresstheSETBACKbuttonandholdfor1second.SETBACKwillshowonthedisplayanditstemperatureshouldbeblinking.2. Pressthedownorupbuttontoadjustthetemperature.3. PresstheHOLD/RETURNbuttonorwait5secondsandthethermostatwillreturntothenormaloperatingmode,savingyouradjustment.

Remote Control Override

IfyourthermostatwasinstalledwithRemoteControlinputfromahomeautomationsystem(seesection2 “Installation”),thiswilloverridethethermostatwhentheremotecontrolsystemclosesitsoutputswitchorrelay.SETBACKandHOLDwillshowonthedisplayanditwilloperateintheSetbacktemperatureindefinitely.Tocancelthis,theRemoteControlswitchorrelaymustbeopened.

MO

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GFCITRIP

HEATING

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HEATING

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LOCK

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HEATING

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UsageYourthermostatstoresinmemorythenumberofhoursitisheating.Thisinformationmaybeusefulincalculatingtheenergyusedbyyourfloorwarmingsystem.

1.PresstheOPTIONSbuttonandholdfor1second.2. PresstheOPTIONSbuttonagainuntilUSAGEand1 dshowsonthedisplay.3. Thetimeshownonthedisplayisthenumberofhoursitwasheatingtoday.4. Pressthedownorupbuttontotogglebetweentheprevious1-day,7-day,and30-dayusages.5. PresstheHOLD/RETURNbuttonorwait15secondsandthethermostatwillreturntothenormaloperatingmode.

MO

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LIMITFLOOR

°F

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°C

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USAGE

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GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

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HEATING

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CYCLE

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Air Sensing and Regulator ModesYourthermostatisfactorysettooperatebasedonthefloorsensortemperature.Thisistherecommendedmethodtoproperlycontrolyourfloorwarmingsystem.

However,itisalsopossibletoalsooperateyourthermostatineithertheairsensingmodeorregulatormodetemporarilyifthefloorsensorwasdamagedornotinstalled.AnewfloorsensorshouldbeinstalledtoenableoperationinFloorSenseModeassoonaspossible.Thesemodesmustbeusedwithcautiontoavoidoverheatingthefloor.•AirSensingMode–Thismodeoperatesbyanairsensorinsidethethermostat.Ifyourfloorsensorisconnected,youmustsetaFloorLimittemperaturetoavoidoverheatingthefloorcoverings(seeFloor Limitbelow).Note:the internal heating in the thermostat may affect the sensor temperature.•RegulatorMode–Inthismodetheuserselectstheamountoftimethefloorwarmingsystemheatsduringa15-minuterepeatingcycle.Thereisnotemperaturesensinginthismode.(seesection5 “Operation”)

Ifyouwantittooperateintheairsensingmodeorregulatormode,youmaychangethisasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSENSshowsonthedisplay.3.PressthedownorupbuttontotogglethistoAirorrEGu.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

Floor LimitIfyousetyourthermostattooperateinAirSenseMode,thedisplaywillshowtheairtemperaturebutwillalsomonitorthefloorsensorifitisconnected.

Toavoidpossiblyoverheatingyourfloor,youmustsetaFloorLimittemperaturesoitturnsoffthesystemifthefloorsensortemperatureexceedsthisFloorLimit.Somewoodandlaminatefloormanufacturersrecommendamaximumof82to84°F(27°to28°C).Checkwithmanufacturer.Itisfactorysetto99F(37C)andcanbeadjustedasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSET TEMPandFLOOR LIMITshowsonthedisplaywiththecurrentFloorLimittemperature.3.Pressthedownorupbuttontoadjustthis.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

CalibrationYourthermostatallowstheabilitytoslightlyadjustthedisplaytemperature.Normallythisisnotrecommendednorrequired.However,inspecialcircumstancesthismaybenecessary,andcanbedoneasfollows:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilCALshowsonthedisplaywiththecurrentsensortemperatureandthecurrentoffsetvalue.Theoffsetvalueisfactorysettozero.3.Pressthedownorupbuttontoadjustthis.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

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LIMITFLOOR

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GFCITRIP

HEATING

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P1P2P3P4

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HEATING

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SET TEMP

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USAGE

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°C

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HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

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HEATING

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HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

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Resetting Factory DefaultsYourthermostathastheabilitytoresetallprogramming,settings,andusagetimestothefactorydefaults.Ifyouarecertainyouwanttodothis:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilthesoftwareversionSoft 1.4orsimilarshowsonthedisplay.3.Pressthedownandupbuttonsatthesametimeandholdfor1second.Doneandrstwillshowonthedisplay.Thethermostatwillgothroughastartupmodeandreturntothenormaloperatingmode.

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LIMITFLOOR

°F

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SET BACK

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°F

°C

°F

TU WE TH FR SA SU

HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

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HEATING

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SET TEMP

CYCLE

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SmartStartYourthermostatisfactorysetwiththe“SmartStart”featureturnedon.Thethermostatautomaticallydeterminesthebesttimetobeginheatingsoitreachesyoursetpointtemperatureatthescheduledtime.

Ifthisfeatureisnotdesired,youmayturnitoff:

1.PresstheOPTIONSbuttonandholdfor1second.2.PresstheOPTIONSbuttonagainuntilSStshowsonthedisplay.3.PressthedownorupbuttontotogglethisOnorOff.4.PresstheHOLD/RETURNbuttontoreturntothenormaloperatingmode.

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SET TEMP

LIMITFLOOR

°F

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°C

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SET BACK

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CYCLE

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°C

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HOLD

GFCITRIP

HEATING

°F

P1P2P3P4

LOCK

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HEATING

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CYCLE

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HOLD

USAGE

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SET BACK

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FLOOR

Regulator Mode

Ifyousetyourthermostattooperateintheregulatormode,itwilloperatelikeatimer.Youmayadjusttheamountoftimethefloorwarmingsystemheatsduringa15-minuterepeatingcycleasfollows:

1.Withthethermostatintheregulatormode,itwillshowtheheatingtimeandthecurrentcycletime.2. Pressthedownorupbuttontoadjusttheheatingtimefrom0through15.•Example:Avalueof6willcauseittoheatfor6minutesof the15minutecycle,andthennotheatfor9minutesofthe15 minutecycle.•Zerowillcauseittoneverheat.•15willcauseittoheatcontinuously.3. Thecycletimeshownatthebottomofthedisplayisthecurrenttimeinthe15-minutecycle.Itrepeatsfrom0:00through14:59(min:sec).

PPLIMP08001 IND © 2007-2010

WR_SunStat_Manual_Programmable EN 20100209 Effective: 02/09/2010