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Robertshaw RS8110 Operation Manual
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Robertshaw RS8110 Operation Manual

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RS8110
Operation Manual

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June 6, 2025

How do you separate the wall plate from the cover of the new thermostat? Oh God

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Summary of Contents for Robertshaw RS8110

  • Page 1 RS8110 Operation Manual...

  • Page 3: Table Of Contents

    RS8110 Table of Contents Page Caution Table of Contents Thermostat Operation Do not switch system Thermostat Quick Reference to cool if the temperature is below 50°F (10°C). Adjusting the Temperature This can damage the air Differential/Swing conditioning system and Calibration Setting cause personal injury.

  • Page 4: Thermostat Operation

    THERMOSTAT OPERATION Set At Room Cool SYSTEM COOL OFF AUTO HEAT LCD Display Fan Switch System Switch Temperature Set-Point Buttons Easy change battery door...
  • Page 5 THERMOSTAT OPERATION LCD Screen See page 6 for detailed information. Fan Switch Select ON or AUTO. ON will run the fan continuously. AUTO will turn the fan on only in a call for heating or cooling. System Switch Select HEAT or COOL for your HVAC system. Selecting HEAT turns on the heat mode.

  • Page 6: Thermostat Quick Reference

    THERMOSTAT QUICK REFERENCE Battery Door Information Install two AAA Alkaline batteries 1.5V AAA 1.5V AAA into battery compartment. Be sure to match positive (+) ends of batteries Press the lower portion with positive (+) of the thermostat to battery terminals open the easy access in the battery battery door.
  • Page 7 THERMOSTAT QUICK REFERENCE Caution: When the low battery icon appears replace your 2x AAA batteries immediately. Failure to do so may result in your heating and cooling system becoming inoperable. Freezing or overheating can occur.
  • Page 8 THERMOSTAT QUICK REFERENCE Room Temperature: Set-Point Temperature: Displays the user selected Indicates the current set-point temperature. room temperature. Set At Room NOTE: If these icons System Operation Low Battery are flashing, there is Indicators: Indicator: a 5-minute delay for Replace batteries compressor protection.

  • Page 9: Adjusting The Temperature Differential/Swing

    ADJUSTING THE TEMPERATURE DIFFERENTIAL COOLING DIFFERENTIAL OR SWING. The cooling differential is factory preset at 0.5°. This means that whenever the room temperature heats by 0.5° from the temperature setting, the cooling system will turn on. If the cooling system turns on too often, increase the temperature differential.

  • Page 10: Calibration Setting

    CALIBRATION SETTING To access the CALIBRATION setting and adjust the temperature, select OFF and hold down together for 3 seconds. Use to adjust the temperature from between -4°F and +4°F. Press to select F (Fahrenheit) or C (Celsius), and press to select the temperature scale.

  • Page 11: Terminal Designations

    TERMINAL DESIGNATIONS RH .... 24 VAC (system power supply) HEAT RC .... 24 VAC (system power supply) COOL C ....Common 24 VAC (system power supply) W ....HEAT Y ....COOL G ....FAN B ....REV VALVE HEAT O ....
  • Page 12 Customer Service +1.800.304.6563 Technical Service +1.800.445.8299 Use Phone Year HVACCustomerService@robertshaw.com to Scan for Limited www.robertshaw.com • 352-00309-001 352-00309-001 Rev. B Warranty Info Warranty © 2021 Robertshaw Controls Company. Robertshaw is a trademark of Robertshaw Controls Company. ®...