What to do if the ICM Controls Thermostat displays 'filter'?
The 'filter' message appears when the fan run time exceeds the filter check time set in the configuration. To clear the filter warning and reset the counter to zero, simultaneously press the up and down buttons for 5 seconds.
How to fix no display on my ICM Controls SC 2311 Thermostat?
If there is no display on your ICM Controls Thermostat, check for 24 VAC at the thermostat. The display will be blank if 24 VAC is not present.
Why is the room temperature on my ICM Controls SC 2311 not correct?
If the room temperature displayed on your ICM Controls Thermostat is incorrect, first verify that the wall hole behind the thermostat is plugged with putty or insulation. You can also calibrate the thermostat.
How to stop my ICM Controls SC 2311 fan from running continuously?
To stop the fan from running continuously, check the fan On/Auto switch. If it's in the ON position, the indoor fan will run continuously.
What to do if the system fan on my ICM Controls SC 2311 does not come on properly?
If the system fan is not working correctly, verify the wiring is correct and check the configuration.
How to adjust the temperature settings if my ICM Controls SC 2311 turns on and off too frequently?
If your ICM Controls Thermostat is turning on and off too frequently, adjust the temperature differential.
What does 'ROOM' display mean on my ICM Controls SC 2311?
The 'ROOM' display indicates that the room temperature offset is not zero.
What to do if my ICM Controls SC 2311 Thermostat has a problem not listed in the manual?
If you are experiencing a problem not listed, press the Reset button once. This will refresh the display and reset the anti-short cycle timing to zero.
What does 'EH' mean when it displays on my ICM Controls SC 2311 Thermostat when a button is pressed?
The 'EH' display indicates that the thermostat is in Emergency Heat mode.
Wiring diagrams for cooling-only systems.
Wiring diagrams for systems with both heating and cooling.
Wiring diagrams for heating-only systems.
Wiring diagrams specific to heat pump systems.
Guide for converting to Carrier split stream systems.
Guide for converting to Coleman 3000 series systems.
Guide for converting to ComfortMaker CYC series systems.
Guide for converting to Heil-Quaker 867/PH50 series systems.
Guide for converting to Payne Reliant/Endura systems.
Guide for converting to Rheem/Ruud series.
Guide for converting to Goodman, Janitrol, Trane/American Standard heat pumps.
Guide for converting to York E1CS, E1FB, E1FH systems.
Guide for converting to Lennox CB19 heat pump systems.
Guide for converting to Lennox HP19 and HP20 heat pump systems.
Configure system type (heat pump or non-heat pump).
Select heat source (Gas or Electric) for non-heat pump systems.
Set reversing valve mode (O-Active or B-Active) for heat pumps.
Choose between Fahrenheit or Celsius temperature scales.
Set differential for first stage heating/cooling activation.
Set differential for second stage heating activation.
Control the minimum allowed cool set temperature.
Control the maximum allowed heat set temperature.
Calibrate displayed room temperature for accuracy.
Set the maximum number of compressor cycles per hour.
Set fan run time before filter warning.
Configure the status indicator light behavior.
Steps to test the cooling function of the thermostat.
Steps to test the heating function of the thermostat.
Steps to test the indoor fan operation.
Thermostat is inactive, no heating or cooling.
Thermostat controls the cooling system.
Thermostat controls the heating system.
Auxiliary heat operates; compressor disabled for heat pumps.
Procedures for activating and deactivating emergency heat.
General| Voltage | 24 VAC |
|---|---|
| Temperature Accuracy | ±1°F (±0.5°C) |
| Display | LCD |
| Backlight | Yes |
| Stages of Cooling | 1 |
| Stages | 2 Heat / 1 Cool |
| Fan Switch | Auto, On |
| Hold Function | Yes |
| Fan Control | Yes |
| System Mode | Heat, Cool, Off |
| Temperature Range | 45°F to 90°F (7°C to 32°C) |
| Compatibility | Gas, Oil, Electric systems |
| Switch Positions | Heat, Cool, Off |
| Number of Programs | 4 Programs per Day |
| Dimensions | 1.1 inches |
| Stages of Heating | 2 Heat |
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