Robertshaw RS8110 Non Programmable Thermostat Instruction Manual

: August 28, 2024
: Robertshaw

Table of Contents

Robertshaw RS8110 Non Programmable Thermostat
Specifications
Product Usage Instructions
FAQ
THERMOSTAT OPERATION
THERMOSTAT QUICK REFERENCE
ADJUSTING THE TEMPERATURE DIFFERENTIAL
CALIBRATION SETTING
TERMINAL DESIGNATIONS
CONTACT
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

Robertshaw RS8110 Non Programmable Thermostat

Specifications

Model: RS8110
Power Supply: 24 VAC
Battery Type: AAA Alkaline
Warranty: 6 Year Limited Warranty

Product Usage Instructions

The thermostat has an LCD, fan switch, system switch, temperature set-point buttons, and an easy-change battery door for convenience.
To access the battery compartment, press the lower portion of the thermostat to open the battery door.
Install two AAA Alkaline batteries ensuring the correct alignment of the positive ends with the terminals in the compartment.
Replace the batteries immediately when the low battery indicator appears to prevent system malfunction.

Adjusting the Temperature Differential

Details on adjusting the temperature differential are not provided in this section. Refer to the detailed user manual for specific instructions.

FAQ

Q: How do I know when to replace the batteries?
A: Replace the batteries immediately when the low battery indicator appears on the display to avoid system malfunction.
Q: What should I do if my heating and cooling system becomes inoperable?
A: Check the battery compartment and replace the batteries with new AAA Alkaline ones. Ensure proper alignment of the battery terminals.

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

LCD Display
Fan Switch
System Switch
Temperature Set-Point Buttons
Easy change battery door
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. Selecting COOL turns on the cool mode. Selecting OFF turns both heating and cooling off.
Temperature Set-Point Buttons
Press the to select the desired temperature.
Easy change battery door
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.

THERMOSTAT QUICK REFERENCE

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 together for 3 seconds. Use 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.

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 it down together for 3 seconds. Use 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.

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.
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 to 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.