ICM Controls SC 2001 Installation, Operation & Application Manual Download

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Troubleshooting

Symptom

Remedy

The system is not turning on

Check the wiring (see Installation, Page 4)

LCD is blank

Check the wiring (see Installation, Page 4)

Thermostat is not properly controlling the fan

Check that the

Gas/Electric

switch setting matches 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-flammable
insulation to prevent airflow into the thermostat

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 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 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 ...

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