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Manual Changeover

Non-Programmable 

Hardwired

SC 2001

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

• 30-Minute Power Loss Memory Retention

• For use with 24 VAC Systems

Summary of Contents for SC 2001

Page 1: ...r 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 30 Minute Power Loss Memory Retention For use with 24 VAC Systems ...

Page 2: ...on 3 To Remove Existing Thermostat 4 To Install Thermostat 4 Replacing Wiring Labels 6 Operation 7 A Quick Test 8 Wiring Diagrams 9 Troubleshooting 12 CAUTION This thermostat should be installed by trained technicians only Adhere to all local and national codes Disconnect all power to the system before installing removing or cleaning ...

Page 3: ... Parts Diagram Mode Switch Fan Switch Celsius Fahrenheit Jumper Reset Button Heat Pump Non Heat Pump Jumper Gas Electric Switch F C NON HP HP Cool Heat Off On Auto Electric Gas ...

Page 4: ...uring a power outage SET ROOM DIFF Temperature differential setting Room temperature Room temperature setpoint Important Safety Information Always turn off the thermostat before installing removing cleaning or servicing turn off the power at the main power source by unscrewing fuse or switching off circuit breaker Do not switch to Cool if outside temperature is below 50 F 10 C this could damage yo...

Page 5: ...with single stage heating systems heating cooling systems and heat pump systems works with gas oil or electric systems Suitable as a master thermostat in zoned system applications Separate setpoints for heating and cooling Freeze Protection Feature Protects pipes from freezing If the room temperature drops to 40 F the thermostat automatically turns on the heat the thermostat must be in the Heat po...

Page 6: ... 6 Refer to the following section for instructions on how to install this 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 IMPORTANT Thermostat installation must conform to local and national building and electrical c...

Page 7: ...nd feed the control wires through wire opening 10 Use supplied screws to mount thermostat base to wall CAUTION Be sure exposed portion of wires does not touch other wires 11 Tighten screws on terminal block Gently tug wire to be sure of proper connection Double check that each wire is connected to the proper terminal 12 Seal hole for wires behind thermostat with non flammable insulation or putty 1...

Page 8: ...ay O O Cool active reversing valve B B Heat active reversing valve Y Y6 Y Cooling control H W 4 W Heating control C Transformer common side M 4 RH RS R R Transformer hot side C Y or C If the C terminal is the cooling control connect to Y terminal if it is the common side of the transformer connect to C terminal ...

Page 9: ...rease the temperature differential Step 1 Remove the cover and press the Reset button once Step 2 For the first 10 seconds of operation the temperature differential is displayed Press the or button to select desired setting Changing Fahrenheit to Celsius The temperature displays in degrees Fahrenheit as a factory set default Follow these steps to change to degrees Celsius Step 1 Remove the cover S...

Page 10: ...n until the temperature setting is 3 F above the room temperature Result The heating systems and fan should turn on there may be a time delay depending on your system Action Set the Mode switch to Off Result The heating system should turn off there may be a fan delay Action Set the Fan switch to On continuous indoor fan operation Result The blower fan should turn on Action Set the Fan switch to Au...

Page 11: ... 4 or 5 Wire Single Transformer 24 VAC T H E R M O S T A T R C Y G 120 VAC HOT Transformer Fan Control W B O Heating Control Optional Cooling Control Wiring Diagrams Heating and Cooling ...

Page 12: ...nsformer 24 VAC T H E R M O S T A T R C Y G 120 VAC HOT Transformer Fan Control W B O Heating Control 3 Wire Single Transformer 24 VAC T H E R M O S T A T R C Y G 120 VAC HOT Transformer W B O Heating Control Heating Only ...

Page 13: ...0 VAC HOT Transformer Fan Relay Fan Relay Fan Control Cooling Control Compressor Contactor Reversing Valve Compressor Contactor Reversing Valve Heat Active Reversing Valve Cool Active Reversing Valve 4 Wire Single Transformer Place jumper between W and Y terminals Millivolt systems may require a transformer and or an isolation relay to operate properly Heat Pump Cooling Only ...

Page 14: ... your system gas or electric Thermostat is continuously turning on and off Increase the temperature differential see Setting a New Temperature Differential Page 7 Temperature display is not accurate Your thermostat has two options for temperature readout Fahrenheit default or Celsius check that the jumper is properly set to your preference Plug the hole for wiring behind the thermostat with non fl...

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Page 16: ...er to permit the Seller to properly administer the warranty the Buyer shall 1 Notify the Seller promptly of any claim submitting date code information or any other pertinent data as requested by the Seller 2 Permit the Seller to inspect and test the product claimed to be defective Items claimed to be defective and are determined by Seller to be non defective are subject to a 30 00 per hour inspect...

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