ICM Controls SC4011 Installation, Operation & Application Manual

Installation, Operation & Application Guide

For more information on our complete range of American-made 

products – plus wiring diagrams, troubleshooting tips and more, 

visit us at 

www.icmcontrols.com

1 Heat/1 Cool

Auto Changeover

Hardwire

SC4011

• Configurable

• Single-StageHeat/CoolSystems

• Single-StageHeatPumpSystems

• LargeDisplayWithBacklight

• SelectableFahrenheitorCelsius

• CompatiblewithGas,Oil,orElectric

• SimpleSet™FieldProgramming

• StatusIndicatorLight

• RelayOutputs

(minimumvoltagedropinthermostat)

• RemoteSensorCompatible

• IdeallySuitedfor:

– Residential (New Construction/Replacement) 

– Light Commercial

Non-Programmable Electronic Thermostat

Icon Descriptions

Fan operation icon

Cooling operation icon

Heating operation icon

Lock mode activated

Room temperature 

offset activated

Specifications

Electricalrating: • 24VAC(18-30VAC)

• 1ampmaximumperterminal

• 3ampmaximumtotalload

Temperaturecontrolrange:45°Fto90°F(7°Cto32°C)Accuracy:±1°F(±0.5°C)

Systemconfigurations:1-stageheat,1-stagecool,heatpump,gas,oil,electric

Timing: 

Anti-shortCycle:4minutes

Backlight Operation

Terminations:S1,S2,Y,W/O/B,G,RC,RH,C

Package Contents/Tools Required

Packageincludes:  SC4011Prothermostatonbase,thermostatcover,wiringlabels,screwsand

wallanchors,Installation,OperationandApplicationGuide

Toolsrequiredforinstallation:Drillwith3/16”bit,hammer,screwdriver

Important Safety Information

WARNING!:Alwaysturnoffpoweratthemainpowersupplybeforeinstalling,cleaning,

orremovingthermostat.

• Thisthermostatisfor24VACapplicationsonly;donotuseonvoltagesover30VAC

• Donotshortacrossterminalsofgasvalveorsystemcontroltotestoperation;thiswilldamageyour

thermostatandvoidyourwarranty

• Allwiringmustconformtolocalandnationalelectricalandbuildingcodes

• Donotuseairconditioningwhentheoutdoortemperatureisbelow50degrees;thiscandamage

yourA/Csystemandcausepersonalinjuries

• Usethisthermostatonlyasdescribedinthismanual

To Remove Existing Thermostat

ELECTRICALSHOCKHAZARD

–Turnoffpoweratthemainservicepanelbyremoving

thefuseorswitchingtheappropriatecircuitbreakertotheOFFpositionbefore

removingtheexistingthermostat.

1. Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingtheappropriate

circuitbreakeroff.

2. Removecoverofoldthermostat.Thisshouldexposethewires.

3. Labeltheexistingwireswiththeenclosedwirelabelsbeforeremovingwires.

4. Afterlabelingwires,removewiresfromwireterminals.

5. Removeexistingthermostatbasefromwall.

6. Refertothefollowingsectionforinstructionsonhowtoinstallthisthermostat.

Parts Diagram

Configurationswitch

Reset switch

Left(system)

button

Right (fan) 

button

Down button

Upbutton

Field programming pins

RC/RH Jumper

S1

RH

RC

Y

W

O/B

G

C

S2

RESET

CONFIG

FP

RH

RC

To Install Thermostat

ELECTRICALSHOCKHAZARD

–Turnoffpoweratthemainservicepanelbyremoving

thefuseorswitchingtheappropriatecircuitbreakertotheOFFpositionbefore

removingtheexistingthermostat.

IMPORTANT: Thermostat installation must conform to local and national building and electrical 

codes and ordinances. 

 Note: Mount the thermostat about five feet above the floor. Do not mount the thermostat on an 

outside wall, in direct sunlight, behind a door, or in an area affected by a vent or duct.

1. Turnoffpowertotheheatingandcoolingsystembyremovingthefuseorswitchingtheappropriate

circuitbreakeroff.

2. Toremovecover,pullgentlyattheseamatthetop.

3. Putthermostatbaseagainstthewallwhereyouplantomountit(Besurewireswillfeedthrough

thewireopeninginthebaseofthethermostat).

4. Marktheplacementofthemountingholes.

5. Setthermostatbaseandcoverawayfromworkingarea.

6. Usinga3/16”drillbit,drillholesintheplacesyouhavemarkedformounting.

7. Useahammertotapsuppliedanchorsinmountingholes.

8. Alignthermostatbasewithmountingholesandfeedthecontrolwiresthroughslitinthermal

intrusionbarrierandintowireopening.

9.Usesuppliedscrewstomountthermostatbasetowall.

10.For2transformersystems,removeanddiscardRC/RHjumper.

11.Insertstripped,labeledwiresinmatchingwireterminals.

CAUTION!: Be sure exposed portion of wires does not touch other wires.

12.Gentlytugwiretobesureofproperconnection.Doublecheckthateachwireisconnectedtothe

properterminal.

13.Turnonpowertothesystematthemainservicepanel.

14.Configurethermostat(seeConfigurationModeSetting4)tomatchthetypeofsystemyouhave.

15.Replacecoveronthermostatbysnappingitinplace.

16.Testthermostatoperationasdescribedin“TestingtheThermostat”.

Hardwired

3-Wire,SingleTransformer

Hardwired

4-Wire,SingleTransformer

Wiring Diagrams

Hardwired

5-Wire,TwoTransformer

(Both transformers must be in phase)

Hardwired

4or5-Wire,SingleTransformer

Fan 

Control

IMPORTANT:Beforewiring,removepre-installed

RC/RHjumper.

Hardwired

CoolorHeatActiveReversingValve

Hardwired

4-Wire,SingleTransformer

Remote or Outdoor Sensor Installation (Optional)

1. Removecoverfromremotesensorhousing.

2. Selectanappropriatelocationformountingtheremotesensor.

3. Mountremotesensorunitusinghardwareprovided.

4. Installtwostrandshieldedwirebetweenremotesensorandthermostat.Shieldedwiremustbe

used.Donotrunremotesensorwireinconduitwithotherwires.

 •Wire1shouldrunbetweentheS1terminalonthethermostatandtheS1terminalontheremote

sensor

 •Wire2shouldrunbetweentheS2terminalonthethermostatandtheS2terminalontheremote

sensor

 • ConnecttheshieldingofthewiretotheS2terminalonthethermostat

5. Configurethethermostattooperatewiththeremotesensor(seeConfigurationModesetting10).

 Note: Remote or outdoor sensor reading can be displayed by 

simultaneously pressing the Down and SYS buttons.

Remote Sensor: (Shown: Optional ICM ACC-RT103 Remote Indoor 

Sensor; for outdoor sensor, order ACC-OD103.)

Press the up or downbuttontochangesettingswithineachscreen.

Down 

button

Up 

button

Toexitconfigurationmode,presstheCONFIGswitchfor1second.

Press the rightbuttontoadvancetothenextscreen.

 Note: Pressing the left button will return you to the previous screen.

Left 

button

Right 

button

Configuration Mode

OFF

1. VerifytheSC4011Prois in the OFFmode.

  Press the SYS(left)buttonuntiloffmodedisplays.

2. Removethecoverofthethermostatbygentlypullingnearoneofthecornersatthetopofthe

thermostat.

TheconfigurationmodeisusedtosettheSC4011Protomatchyourheating/coolingsystem.The

SC4011Profunctionswithheatpump,airconditioning,gas,oilorelectricheatsystems.

Toconfigurethe SC4011Pro,performthefollowingsteps:

3. PresstheCONFIGbuttonfor1secondwhiletheSC4011Prois in OFF

mode.

CONFIG

Configuration Mode Settings

ThesetupscreensforConfigurationModeareasfollows:

2.TemperatureDifferential(1°Fto5°F)(0.5°Cto2.5°C)

Setthenumberofdegreesbetweenyour“setpoint”temperatureandyour

“turnon”temperature.

  Press the up or down buttontosetdifferentialvalue.

  Press the rightbuttontoadvancetothenextscreen.

1.TemperatureScale(F or C)

ChooseFahrenheitorCelsius.

  Press the up or down buttontoselect.

  Press the right buttontoadvancetothenextscreen.

3.Deadband(1°F-9°F)(1°C-5°C)

Settheminimumnumberofdegreesbetweenyourheatsetpointandyour

coolsetpointinAutochangeovermode.

  Press the up or down buttontosetdeadbandvalue.

  Press the right buttontoadvancetothenextscreen.

5. Lockout(0-8°,COOL-HEAT)

Select the number of degrees set temperature can be changed during 

keypadlockout.COOL-HEATlockoutallowsadjustmentoftheset

temperaturestothemaximumheatsettemperatureselectedinStep6and

minimumcoolsettemperatureselectedinStep7.

 Note: The mode cannot be changed when the thermostat is locked.

  Press the up or down buttontoselect.

  Press the right buttontoadvancetothenextscreen.

6. MaximumHeatSetpoint(45°Fto90°F)(7°Cto32°C)

 Adjusttocontrolthemaximumheatsettemperatureallowed.

  Press the up or down buttontoselect.

  Press the right buttontoadvancetothenextscreen.

7. MinimumCoolSetpoint(45°Fto90°F)(7°Cto32°C)

 Adjusttocontroltheminimumcoolsettemperatureallowed.

  Press the up or down buttontoselect.

  Press the right buttontoadvancetothenextscreen.

Choose

System

ReversingValve

Active

NumberofCompressors

orCompressorStages

Typeof

Heat

HeatPump

HP

O

1

HP

b

1

Non-Heat

Pump

Heat

Gas

Heat

Electric

Press the up or downbuttontoselect.

Press the rightbuttontoadvancetothenextscreen.

4. System–Setforheatpump,non-heatpump,reversingvalveoperationandnumberof

compressorsinyoursystem.

8. RoomTemperatureOffset(+9°Fto-9°F)(+4.5°Cto-4.5°C)

 Adjusttocalibratedisplayedroomtemperaturetomatchactualroom

temperature.

 Note: When not set to 0,  will display.

  Press the up or down buttontoselect.

  Press the right buttontoadvancetothenextscreen.