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ICM Controls SC 2000 - User Manual

ICM Controls SC 2000
16 pages
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Manual Changeover
Non-Programmable
Battery
SC 2000
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
Controls Single Stage Heating/Cooling Systems
Single Stage Heat Pump Systems
Compatible with Gas, Oil or Electric Systems
Millivolt and Hydronic (water or steam)
System Compatible
Mercury-Free, Environmentally Safe

Questions and Answers

  • C
    Caitlin RiddleAug 1, 2025
    Why is the temperature displayed on my ICM Controls SC 2000 not accurate?
    • J
      Justin LeonardAug 2, 2025
      If the temperature displayed on your ICM Controls Thermostat isn't accurate, ensure the thermostat is set to your preferred temperature readout (Fahrenheit or Celsius) using the jumper setting. Also, seal the wiring hole behind the thermostat with non-flammable insulation to block airflow.
  • J
    John StoneAug 8, 2025
    What to do if my ICM Controls SC 2000 Thermostat is not properly controlling the fan?
    • J
      John GreenAug 8, 2025
      If your ICM Controls Thermostat isn't properly controlling the fan, ensure the fan switch setting corresponds to your system type (gas or electric).
  • R
    randallandrewAug 13, 2025
    How to stop my ICM Controls SC 2000 Thermostat from continuously turning on and off?
    • J
      James LopezAug 13, 2025
      If your ICM Controls Thermostat is continuously turning on and off, try increasing the temperature differential.
  • S
    Stanley RobertsAug 19, 2025
    What to do if the LCD is blank or displaying 'LO BAT' on my ICM Controls Thermostat?
    • T
      tinadawsonAug 19, 2025
      If the LCD screen of your ICM Controls Thermostat is blank or displaying “LO BAT”, replace the batteries. Alternatively, ensure the existing batteries are correctly installed.
  • M
    Michael MooreAug 25, 2025
    How to fix ICM Controls SC 2000 Thermostat when the system isn’t turning on?
    • S
      Scott CarterAug 26, 2025
      If your ICM Controls Thermostat system isn’t turning on, check the wiring and inspect the batteries.

Summary

Specifications

Important Safety Information

Crucial guidelines for safe operation and installation of the thermostat.

To Install Thermostat

Operation

Setting the Room Temperature

Adjusting the thermostat to the desired comfort level.

Setting a New Temperature Differential

Modifying the temperature swing to optimize system cycling.

A Quick Test

Wiring Diagrams

Troubleshooting

ICM Controls SC 2000 Specifications

General IconGeneral
Programmability7-Day Programmable
Control TypeDigital
BacklightYes
DisplayDigital
Power Source24 VAC
Battery2 AA (Backup)

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