Robertshaw Thermostat Manual: RS8110 Digital Non-Programmable User Guide
- June 6, 2024
- Robertshaw
Table of Contents
The Robertshaw RS8110 Digital Non-Programmable Wall Thermostat User Manual provides detailed information on how to operate and maintain the thermostat. This user guide is essential for anyone who wants to use the thermostat effectively and efficiently. The manual includes a cautionary note that users should not switch the system to cool if the temperature is below 50°F (10°C) to avoid damaging the air conditioning system and causing personal injury. The manual also provides information on the thermostat’s operation, including LCD display, fan switch, system switch, temperature set-point buttons, and easy change battery door. Additionally, the manual offers a quick reference guide, including battery door information, adjusting the temperature differential, calibration setting, and terminal designations. The manual also includes a 6-year limited warranty and contact information for customer and technical service. Overall, this user guide is a comprehensive resource that provides users with all the information they need to operate and maintain their Robertshaw RS8110 Digital Non-Programmable Wall Thermostat.
RS8110 Digital Non-Programmable Wall Thermostat
User Manual
Caution
Do not switch the system to cool if the temperature is below 50°F (10°C). This
can damage the air conditioning system and cause personal injury.
THERMOSTAT OPERATION
| 1 LCD Display | 4 Temperature Set-Point Buttons |
|---|---|
| 2 Fan Switch | 5 Easy change battery door |
| 3 System Switch |
-
LCD Screen
See page 6 for detailed information. -
Fan Switch
Select ON or AUTO. ON will run the fan continuously. AUTO will turn the fanon 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. Selecting COOL turns on the cool mode. Selecting OFF turns both heating and cooling off. -
Temperature Set-Point Buttons
Press the or to select the desired temperature. -
Easy change battery door
See page 4 for details.
THERMOSTAT QUICK REFERENCE
Battery Door Information
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.
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. To access the COOL SWING setting and adjust the
cooling differential, select COOL and hold down and together for 3 seconds.
Use and adjust the cooling differential from between 0.2°F and 2°F. Wait
approximately 15 seconds or toggle the system switch to return to normal
operation.
HEATING DIFFERENTIAL OR SWING.
The heating differential is factory preset at 0.4°. This means that whenever
the room temperature cools by 0.4° from the temperature setting, the heating
system will turn on. If the heating system turns on too often, increase the
temperature differential. To access the HEAT SWING setting and adjust the
heating differential, select HEAT and hold down and together for 3 seconds.
Use and adjust the heating differential from between 0.2°F and 2°F. Wait
approximately 15 seconds or toggle the system switch to return to normal
operation.
CALIBRATION SETTING
To access the CALIBRATION setting and adjust the temperature, select OFF and
hold down and together for 3 seconds. Use and 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.
Then press- to access the compressor short cycle DELAY setting. If the
compressor short cycle delay setting is ON, the compressor cannot be turned on
for at least 3 minutes after it was last turned off. Use and adjust the
compressor short cycle delay setting to ON or OFF. Wait approximately 15
seconds or toggle the system switch to return to normal operation.
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 …………… REV VALVE COOL
6 Year Limited Warranty
Use Phone to Scan for Warranty Info
Customer Service +1.800.304.6563
Technical Service +1.800.445.8299
HVACCustomerService@robertshaw.com
www.robertshaw.com • 352-00309-001
352-00309-001 Rev. B
© 2021 Robertshaw Controls Company.
Robertshaw® is a trademark of Robertshaw Controls Company
Specifications
| Product Specifications | Description |
|---|---|
| Product Name | RS8110 Digital Non-Programmable Wall Thermostat |
| Caution | Do not switch the system to cool if the temperature is below 50°F |
(10°C). This can damage the air conditioning system and cause personal injury.
LCD Display| Displays temperature and other settings
Fan Switch| 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 OFF turns
both heating and cooling off.
Temperature Set-Point Buttons| Press the + or – to select the desired
temperature.
Easy change battery door| Allows for easy replacement of 2x AAA batteries
Battery Door Information| When the low battery icon appears, replace batteries
immediately to avoid system becoming inoperable. Freezing or overheating can
occur.
Cooling Differential or Swing| Factory preset at 0.5°F. Adjust between 0.2°F
and 2°F.
Heating Differential or Swing| Factory preset at 0.4°F. Adjust between 0.2°F
and 2°F.
Calibration Setting| Adjust temperature between -4°F and +4°F. Select
Fahrenheit or Celsius.
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 – REV VALVE COOL
Warranty| 6-year limited warranty
Contact Information| Customer Service +1.800.304.6563
Technical Service +1.800.445.8299
HVACCustomerService@robertshaw.com
www.robertshaw.com
FAQ’s
What should I do if the temperature is below 50°F (10°C)?
Do not switch the system to cool if the temperature is below 50°F (10°C) to avoid damaging the air conditioning system and causing personal injury.
How do I turn on the fan?
Select ON or AUTO. ON will run the fan continuously. AUTO will turn the fan on only in a call for heating or cooling.
How do I select HEAT or COOL for my HVAC system?
Select HEAT or COOL for your HVAC system. Selecting HEAT turns on the heat mode. Selecting COOL turns on the cool mode. Selecting OFF turns both heating and cooling off.
How do I adjust the temperature set-point?
Press the + or – to select the desired temperature.
What should I do 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.
How do I adjust the cooling differential?
To access the COOL SWING setting and adjust the cooling differential, select COOL and hold down + and – together for 3 seconds. Use + and – to adjust the cooling differential from between 0.2°F and 2°F. Wait approximately 15 seconds or toggle the system switch to return to normal operation.
How do I adjust the heating differential?
To access the HEAT SWING setting and adjust the heating differential, select HEAT and hold down + and – together for 3 seconds. Use + and – to adjust the heating differential from between 0.2°F and 2°F. Wait approximately 15 seconds or toggle the system switch to return to normal operation.
How do I access the calibration setting?
To access the CALIBRATION setting and adjust the temperature, select OFF and hold down + and – together for 3 seconds. Use + and – to adjust the temperature from between -4°F and +4°F. Press F to select Fahrenheit or C to select Celsius, and press + to select the temperature scale.
What are the terminal designations?
RH is 24 VAC (system power supply) for HEAT, RC is 24 VAC (system power supply) for COOL, C is Common 24 VAC (system power supply), W is for HEAT, Y is for COOL, G is for FAN, B is for REV VALVE HEAT, and O is for REV VALVE COOL.
What is the warranty period?
The thermostat comes with a 6-year limited warranty.
How can I contact customer and technical service?
You can contact customer service at +1.800.304.6563 and technical service at +1.800.445.8299 or via email at HVACCustomerService@robertshaw.com.
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