ICM Controls SC 2000 Installation, Operation & Maintenance Manual
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ICM Controls SC 2000 Installation, Operation & Maintenance Manual

Non-programmable electronic thermostat
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• 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
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
SC 2000
Non-Programmable Electronic Thermostat
Manual Changeover
Non-Programmable
Battery

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Summary of Contents for ICM Controls SC 2000

  • Page 1 SC 2000 Manual Changeover Non-Programmable Battery Non-Programmable Electronic Thermostat • 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 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...

  • Page 2: Table Of Contents

    Table of Contents Parts Diagram ..........................1 Specifications ..........................2 Important Safety Information ..................... 2 Package Contents/Tools Required ....................3 General Description ........................3 To Remove Existing Thermostat ....................4 To Install Thermostat ........................4 Installing and Changing Batteries ....................6 Replacing Wiring Labels ......................

  • Page 3: Parts Diagram

    Parts Diagram Celsius/ Fahrenheit Jumper Battery F–C Compartment NON–HP Heat Pump/ Non-Heat Pump Jumper Electric/Gas 2000 Switch W RC RH ELECTRIC High Temperature Switch Freeze Switch AUTO COOL HEAT Mode Switch Fan Switch...

  • Page 4: Specifications

    Specifications Input: • Voltage: Millivolt to 30 VAC/VDC • DC Power: 3 volts (2 “AA” alkaline batteries included) Output: • Maximum: 1 amp per terminal (3 amp total for all terminals) • Temperature control ranges: 45°F to 90°F (7°C to 32°C) Accuracy: ± 1°F (± 0.5°C) •...

  • Page 5: Package Contents/Tools Required

    Package Contents/Tools Required Package includes: SimpleComfort ® 2000 non-programmable thermostat on base, thermostat cover, wiring labels, screws and wall anchors, Installation, Operation and Application Guide. Tools required for installation: Drill with 3/16” bit, hammer, screwdriver. General Description • The SimpleComfort ® 2000 thermostat is a digital, mercury-free, non-programmable, electronic thermostat •...

  • Page 6: To Remove Existing Thermostat

    To Remove Existing Thermostat ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or switching the appropriate circuit breaker to the OFF position before removing the existing thermostat. 1. Turn off power to the heating and cooling system by removing the fuse or switching off the appropriate circuit breaker. 2. Remove cover of old thermostat. This should expose the wires. 3.
  • Page 7 To Install Thermostat (continued) To remove cover, insert and twist a coin or screwdriver in the slots on the sides of the thermostat. Move the FAN AUTO/ON switch to AUTO. 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).

  • Page 8: Installing And Changing Batteries

    Installing and Changing Batteries If your LCD is blank, or displaying LO BAT, the batteries are not installed or need to be changed. We suggest you change the batteries at least once a year, or whenever the LO BAT warning displays. Note: After installing new batteries, you have to reset the room temperature setting and the differential setting.

  • Page 9: Operation

    Operation Setting the Room Temperature (Setpoint Temperature) Step 1: Press one of the arrow buttons; the current temperature setting displays. Step 2: Press the arrow button until the desired temperature setting displays. The new temperature setting is automatically saved. After 5 seconds, the display returns to showing the current room temperature.

  • Page 10: A Quick Test

    A Quick Test CAUTION!: Do not switch system to cool if the temperature is below 50°F (10°C). This can damage the air conditioning system and may cause personal injury. Do not short jumper across terminals on the gas valve or at the system control to test installation. Action: Set the Cool/Off/Heat switch to Cool. Press the button until the temperature setting is 3°F below the room temperature.

  • Page 11: Wiring Diagrams

    Wiring Diagrams Zone Valve/Damper Motor Systems 3-Wire, Zone Valve/Damper Motor System RH RC W Y B O G RH RC W Y B O G RH RC W Y B O G 24 VAC * Use appropriate size, single pole/ double throw relay Zone 1 Zone 2...
  • Page 12 Heating/Cooling 4-Wire, Single Transformer 5-Wire, Two Transformer Remove Pre-Installed Jumper Pre-Installed Jumper Transformer 120 VAC 24 VAC 120 VAC 24 VAC (Heating) Transformer Heating Heating Control Control Cooling Cooling Control Control 120 VAC 24 VAC Control Control (Cooling) Transformer Note: Both transformers must be in phase...
  • Page 13 Heating Only 3-Wire, Single Transformer 2-Wire, Single Transformer or Millivolt Remove Remove Pre-Installed Pre-Installed Jumper Jumper Transformer 120 VAC 24 VAC Thermopile Transformer Heating Heating Control Control Control...
  • Page 14 Heat Pump Cool Only Cool Active Heat Active 3-Wire, Reversing Valve Reversing Valve Single Transformer Pre-Installed Pre-Installed Remove Jumper Jumper Pre-Installed Jumper Transformer Transformer Transformer 120 VAC 24 VAC 120 VAC 24 VAC 120 VAC 24 VAC Compressor Compressor Cooling Contactor Contactor Control...

  • Page 15: Troubleshooting

    Troubleshooting Symptom Remedy The system isn’t turning on Check the wiring (see Installation, Page 4) Check the batteries LCD is blank, or displaying “LO BAT” Replace batteries, or make sure the existing ones are properly installed (see Installing and Changing Batteries, Page 6) Thermostat is not properly controlling the fan Check that the fan switch setting matches your system (gas or electric)
  • Page 16 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 which are provided to be defective.

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