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  4. SC 2311
  5. Installation, Operation & Application Manual

ICM Controls SC 2311 Installation, Operation & Application Manual

Manual is about: Non-Programmable

Summary of SC 2311

  • Page 1

    2 heat/1 cool manual changeover hardwired sc 2311 non-programmable electronic thermostat 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 •configurab...

  • Page 2: Table of Contents

    Table of contents parts diagram .............................................................................................................................1 specifications .................................................................................................................................

  • Page 3: Parts Diagram

    Parts diagram r12 w1 o/b y w2 e.

  • Page 4: Specifications

    Specifications electricalrating: • 24 vac (18-30 vac) • 1 amp maximum per terminal • 4 amp maximum total load temperaturecontrolrange:45°f to 90°f (7°c to 32°c) accuracy: ± 1°f (± 0.5°c) systemconfigurations: 2-stage heat, 1-stage cool, heat pump, gas, oil, electric timing: anti-short cycle: 5 minut...

  • Page 5: To Install Thermostat

    Electricalshockhazard –turnoffpoweratthemainservicepanelbyremovingthefuse orswitchingtheappropriatecircuitbreakertotheoffpositionbeforeremovingtheexisting thermostat. 1. Turn off power to the heating and cooling system by removing the fuse or switching off the appropriate circuit breaker. 2. Remove ...

  • Page 6

    To install thermostat (continued) 2. To remove cover, insert and twist a coin or screwdriver in the slots on the sides of the thermostat. 3. Put thermostat base against the wall where you plan to mount it (be sure wires will feed through the wire opening in the base of the thermostat). 4. Mark the p...

  • Page 7: Sc2311 Output Chart

    R – 24 vac hot c – 24 vac common w1/o/b – configurable w1 – 1st stage heat for non-hp systems o – cool active reversing valve b – heat active reversing valve y – 1st stage cool, 1st stage heat for heat pumps w2 – 2nd stage heat for heat pump, non-heat pump, and emergency heat e – 1st stage heat for ...

  • Page 8: Wiring Diagrams

    First cooling control second heating control first cooling control first heating control wiring diagrams fan control fan control.

  • Page 9: Single Transformer

    Second heating control first heating control second heating control first heating control single transformer single transformer fan control.

  • Page 10: Single Compressor

    Single compressor 2 nd stage heat reversing valve compressor emergency heat fan control.

  • Page 11: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: carrier split stream condensers and heat pump systems sc 2311 electronic thermostat 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit fan contactor circuit emergency heating circuit system...

  • Page 12: Simplecomfort

    0 simplecomfort ® 2311electronicthermostatconversionto: coleman 3000 series heat pump systems r x b y w2 g e l w3 coleman 3000 low voltage terminal board sc 2311 electronic thermostat 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit fan cont...

  • Page 13: Simplecomfort

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  • Page 14: Simplecomfort

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  • Page 15: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: payne reliant and endura model heat pump systems sc 2311 electronic thermostat r c w1 o/b y w2 e g 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit fan contactor circuit emergency heating...

  • Page 16: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: rheem/ruud: -pgb, -pfa, -pcb, -pla, and -pka series heat pump systems 24 vac, return 24 vac, common reversing valve (heating mode) compressor contactor 2nd stage heating circuit fan contactor circuit emergency heating circuit system monitor led n...

  • Page 17: Simplecomfort

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  • Page 18: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: york e1cs, e1fb, e1fh heat pump systems sc 2311 electronic thermostat r c w1 o/b y w2 e g 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit fan contactor circuit system monitor led (capped...

  • Page 19: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: lennox cb19 heat pump systems sc 2311 electronic thermostat r c w1 o/b y w2 e g 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit fan contactor circuit emergency heating circuit system mon...

  • Page 20: Simplecomfort

    Simplecomfort ® 2311electronicthermostatconversionto: lennox hp19 and hp20 heat pump systems sc 2311 electronic thermostat r c w1 o/b y w2 e g 24 vac, return 24 vac, common reversing valve (cooling mode) compressor contactor 2nd stage heating circuit (sequencer 1) fan contactor circuit emergency hea...

  • Page 21: Configuration Mode

    The configuration mode is used to set the sc2311 to match your heating/cooling system. The sc2311 functions with heat pump, air conditioning, gas, oil or electric heat systems. To configure the sc2311, perform the following steps: 1. Remove the cover of the thermostat by gently pulling on one of the...

  • Page 22

    0 filter diff room set remote 4. Temperaturescale(forc)– choose fahrenheit or celsius. Press the or button to select. Press the sw6 button to advance to the next screen. Filter diff room set remote 5. 1 st stage temperaturedifferential(1°f to 3°f) (0.5°c to 1.5°c) set the number of degrees between y...

  • Page 23

    8. Maximumheatsetpoint (55°f to 90°f) (13°c to 32°c) adjust to control the maximum heat set temperature allowed. Press the or button to select. Press the sw6 button to advance to the next screen. Filter diff room set remote filter diff room set remote filter diff room set remote 9. Roomtemperatureof...

  • Page 24: Testing The Thermostat

    Once the thermostat is installed, it should be thoroughly tested. Caution!: donotenergizetheairconditioningsystemwhentheoutdoortemperatureisbelow50 degrees.Itcanresultinequipmentdamageorpersonalinjury. Cooltest 1. Slide mode switch to cool mode. 2. Adjust set temperature so it is 5 degrees below roo...

  • Page 25: Mode of Operation

    Fantest 1. Slide fan switch to on position. 2. Indoor fan turns on. Auto on auto on 3. Slide fan switch to auto position. 4. Indoor fan turns off. (testing the thermostat continued from page 22) the sc2311 is a two-stage heat, one-stage cool thermostat. It functions with air conditioning, heat pumps...

  • Page 26: Operating Mode

    These are the possible operating modes of the sc2311. Offmode in off mode, the thermostat will not turn on the heating or cooling appliances. Note 1: the indoor fan can be activated in every mode by sliding the auto/on fan to the on position. Note 2: off mode in used to enter the configuration setup...

  • Page 27: Troubleshooting

    Symptom remedy no display check for 24 vac at thermostat; display is blank when 24 vac is not present system fan does not come on properly verify wiring is correct check configuration (see “configuration mode,” setting 2, page 19) see “fan test” (page 23) thermostat turns on and off too frequently a...

  • Page 28: One-Year Limited Warranty

    One-year limited warranty the seller warrants its products against defects in material or workmanship for a period of one (1) year from the date of manufacture. The liability of the seller is limited, at its option, to repair, replace or issue a non-case credit for the purchase prices of the goods w...